meta: remove True option to getVar calls

getVar() now defaults to expanding by default, thus remove the True option from getVar() calls with a regex search and replace. Search made with the following regex: getVar ?\(( ?[^,()]*), True\) (From OE-Core rev: 7c552996597faaee2fbee185b250c0ee30ea3b5f) Signed-off-by: Joshua Lock <joshua.g.lock@intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
author: Joshua Lock <joshua.g.lock@intel.com> 2016-12-14 21:13:04 +0000
committer: Richard Purdie <richard.purdie@linuxfoundation.org> 2016-12-16 10:23:23 +0000
commit: c4e2c59088765d1f1de7ec57cde91980f887c2ff (patch)
tree: a2fda8ac5916fb59a711e9220c2177008cca9347 /meta/classes
parent: d5e67725ac11e3296cad104470931ffa16824b90 (diff)
download: poky-c4e2c59088765d1f1de7ec57cde91980f887c2ff.tar.gz
118 files changed, 1585 insertions, 1585 deletions
diff --git a/meta/classes/allarch.bbclass b/meta/classes/allarch.bbclass
index ddc2a85050..9dce49879a 100644
--- a/meta/classes/allarch.bbclass
+++ b/meta/classes/allarch.bbclass
@@ -11,7 +11,7 @@ PACKAGE_ARCH = "all"
 python () {
    # Allow this class to be included but overridden - only set
    # the values if we're still "all" package arch.
-    if d.getVar("PACKAGE_ARCH", True) == "all":
+    if d.getVar("PACKAGE_ARCH") == "all":
        # No need for virtual/libc or a cross compiler
        d.setVar("INHIBIT_DEFAULT_DEPS","1")
@@ -47,6 +47,6 @@ python () {
        d.setVarFlag("emit_pkgdata", "vardepsexclude", "MULTILIB_VARIANTS")
        d.setVarFlag("write_specfile", "vardepsexclude", "MULTILIBS")
    elif bb.data.inherits_class('packagegroup', d) and not bb.data.inherits_class('nativesdk', d):
-        bb.error("Please ensure recipe %s sets PACKAGE_ARCH before inherit packagegroup" % d.getVar("FILE", True))
+        bb.error("Please ensure recipe %s sets PACKAGE_ARCH before inherit packagegroup" % d.getVar("FILE"))
 }
diff --git a/meta/classes/archiver.bbclass b/meta/classes/archiver.bbclass
index 3543ca9c58..52959776c3 100644
--- a/meta/classes/archiver.bbclass
+++ b/meta/classes/archiver.bbclass
@@ -52,10 +52,10 @@ do_deploy_all_archives[dirs] = "${WORKDIR}"
 python () {
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
-    assume_provided = (d.getVar("ASSUME_PROVIDED", True) or "").split()
+    assume_provided = (d.getVar("ASSUME_PROVIDED") or "").split()
    if pn in assume_provided:
-        for p in d.getVar("PROVIDES", True).split():
+        for p in d.getVar("PROVIDES").split():
            if p != pn:
                pn = p
                break
@@ -68,7 +68,7 @@ python () {
        bb.debug(1, 'archiver: %s is included: %s' % (pn, reason))
    # We just archive gcc-source for all the gcc related recipes
-    if d.getVar('BPN', True) in ['gcc', 'libgcc'] \
+    if d.getVar('BPN') in ['gcc', 'libgcc'] \
            and not pn.startswith('gcc-source'):
        bb.debug(1, 'archiver: %s is excluded, covered by gcc-source' % pn)
        return
@@ -106,7 +106,7 @@ python () {
    # Output the srpm package
    ar_srpm = d.getVarFlag('ARCHIVER_MODE', 'srpm', True)
    if ar_srpm == "1":
-        if d.getVar('PACKAGES', True) != '' and d.getVar('IMAGE_PKGTYPE', True) == 'rpm':
+        if d.getVar('PACKAGES') != '' and d.getVar('IMAGE_PKGTYPE') == 'rpm':
            d.appendVarFlag('do_deploy_archives', 'depends', ' %s:do_package_write_rpm' % pn)
            if ar_dumpdata == "1":
                d.appendVarFlag('do_package_write_rpm', 'depends', ' %s:do_dumpdata' % pn)
@@ -130,9 +130,9 @@ python do_ar_original() {
    if d.getVarFlag('ARCHIVER_MODE', 'src', True) != "original":
        return
-    ar_outdir = d.getVar('ARCHIVER_OUTDIR', True)
+    ar_outdir = d.getVar('ARCHIVER_OUTDIR')
    bb.note('Archiving the original source...')
-    urls = d.getVar("SRC_URI", True).split()
+    urls = d.getVar("SRC_URI").split()
    # destsuffix (git fetcher) and subdir (everything else) are allowed to be
    # absolute paths (for example, destsuffix=${S}/foobar).
    # That messes with unpacking inside our tmpdir below, because the fetchers
@@ -157,7 +157,7 @@ python do_ar_original() {
        if os.path.isfile(local):
            shutil.copy(local, ar_outdir)
        elif os.path.isdir(local):
-            tmpdir = tempfile.mkdtemp(dir=d.getVar('ARCHIVER_WORKDIR', True))
+            tmpdir = tempfile.mkdtemp(dir=d.getVar('ARCHIVER_WORKDIR'))
            fetch.unpack(tmpdir, (url,))
            # To handle recipes with more than one source, we add the "name"
            # URL parameter as suffix. We treat it as an error when
@@ -195,24 +195,24 @@ python do_ar_patched() {
        return
    # Get the ARCHIVER_OUTDIR before we reset the WORKDIR
-    ar_outdir = d.getVar('ARCHIVER_OUTDIR', True)
+    ar_outdir = d.getVar('ARCHIVER_OUTDIR')
-    ar_workdir = d.getVar('ARCHIVER_WORKDIR', True)
+    ar_workdir = d.getVar('ARCHIVER_WORKDIR')
    bb.note('Archiving the patched source...')
    d.setVar('WORKDIR', ar_workdir)
-    create_tarball(d, d.getVar('S', True), 'patched', ar_outdir)
+    create_tarball(d, d.getVar('S'), 'patched', ar_outdir)
 }
 python do_ar_configured() {
    import shutil
-    ar_outdir = d.getVar('ARCHIVER_OUTDIR', True)
+    ar_outdir = d.getVar('ARCHIVER_OUTDIR')
    if d.getVarFlag('ARCHIVER_MODE', 'src', True) == 'configured':
        bb.note('Archiving the configured source...')
-        pn = d.getVar('PN', True)
+        pn = d.getVar('PN')
        # "gcc-source-${PV}" recipes don't have "do_configure"
        # task, so we need to run "do_preconfigure" instead
        if pn.startswith("gcc-source-"):
-            d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR', True))
+            d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR'))
            bb.build.exec_func('do_preconfigure', d)
        # The libtool-native's do_configure will remove the
@@ -221,7 +221,7 @@ python do_ar_configured() {
        # instead of.
        elif pn != 'libtool-native':
            # Change the WORKDIR to make do_configure run in another dir.
-            d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR', True))
+            d.setVar('WORKDIR', d.getVar('ARCHIVER_WORKDIR'))
            if bb.data.inherits_class('kernel-yocto', d):
                bb.build.exec_func('do_kernel_configme', d)
            if bb.data.inherits_class('cmake', d):
@@ -235,12 +235,12 @@ python do_ar_configured() {
            for func in (postfuncs or '').split():
                if func != "do_qa_configure":
                    bb.build.exec_func(func, d)
-        srcdir = d.getVar('S', True)
+        srcdir = d.getVar('S')
-        builddir = d.getVar('B', True)
+        builddir = d.getVar('B')
        if srcdir != builddir:
            if os.path.exists(builddir):
                oe.path.copytree(builddir, os.path.join(srcdir, \
-                    'build.%s.ar_configured' % d.getVar('PF', True)))
+                    'build.%s.ar_configured' % d.getVar('PF')))
        create_tarball(d, srcdir, 'configured', ar_outdir)
 }
@@ -251,14 +251,14 @@ def create_tarball(d, srcdir, suffix, ar_outdir):
    import tarfile
    # Make sure we are only creating a single tarball for gcc sources
-    if (d.getVar('SRC_URI', True) == ""):
+    if (d.getVar('SRC_URI') == ""):
        return
    bb.utils.mkdirhier(ar_outdir)
    if suffix:
-        filename = '%s-%s.tar.gz' % (d.getVar('PF', True), suffix)
+        filename = '%s-%s.tar.gz' % (d.getVar('PF'), suffix)
    else:
-        filename = '%s.tar.gz' % d.getVar('PF', True)
+        filename = '%s.tar.gz' % d.getVar('PF')
    tarname = os.path.join(ar_outdir, filename)
    bb.note('Creating %s' % tarname)
@@ -286,7 +286,7 @@ def create_diff_gz(d, src_orig, src, ar_outdir):
    dirname = os.path.dirname(src)
    basename = os.path.basename(src)
    os.chdir(dirname)
-    out_file = os.path.join(ar_outdir, '%s-diff.gz' % d.getVar('PF', True))
+    out_file = os.path.join(ar_outdir, '%s-diff.gz' % d.getVar('PF'))
    diff_cmd = 'diff -Naur %s.orig %s.patched | gzip -c > %s' % (basename, basename, out_file)
    subprocess.call(diff_cmd, shell=True)
    bb.utils.remove(src_patched, recurse=True)
@@ -297,9 +297,9 @@ python do_unpack_and_patch() {
            [ 'patched', 'configured'] and \
            d.getVarFlag('ARCHIVER_MODE', 'diff', True) != '1':
        return
-    ar_outdir = d.getVar('ARCHIVER_OUTDIR', True)
+    ar_outdir = d.getVar('ARCHIVER_OUTDIR')
-    ar_workdir = d.getVar('ARCHIVER_WORKDIR', True)
+    ar_workdir = d.getVar('ARCHIVER_WORKDIR')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    # The kernel class functions require it to be on work-shared, so we dont change WORKDIR
    if not (bb.data.inherits_class('kernel-yocto', d) or pn.startswith('gcc-source')):
@@ -309,18 +309,18 @@ python do_unpack_and_patch() {
        # The changed 'WORKDIR' also caused 'B' changed, create dir 'B' for the
        # possibly requiring of the following tasks (such as some recipes's
        # do_patch required 'B' existed).
-        bb.utils.mkdirhier(d.getVar('B', True))
+        bb.utils.mkdirhier(d.getVar('B'))
        bb.build.exec_func('do_unpack', d)
    # Save the original source for creating the patches
    if d.getVarFlag('ARCHIVER_MODE', 'diff', True) == '1':
-        src = d.getVar('S', True).rstrip('/')
+        src = d.getVar('S').rstrip('/')
        src_orig = '%s.orig' % src
        oe.path.copytree(src, src_orig)
    # Make sure gcc and kernel sources are patched only once
-    if not (d.getVar('SRC_URI', True) == "" or (bb.data.inherits_class('kernel-yocto', d) or pn.startswith('gcc-source'))):
+    if not (d.getVar('SRC_URI') == "" or (bb.data.inherits_class('kernel-yocto', d) or pn.startswith('gcc-source'))):
        bb.build.exec_func('do_patch', d)
    # Create the patches
@@ -339,14 +339,14 @@ python do_ar_recipe () {
    require_re = re.compile( r"require\s+(.+)" )
    include_re = re.compile( r"include\s+(.+)" )
-    bbfile = d.getVar('FILE', True)
+    bbfile = d.getVar('FILE')
-    outdir = os.path.join(d.getVar('WORKDIR', True), \
+    outdir = os.path.join(d.getVar('WORKDIR'), \
-            '%s-recipe' % d.getVar('PF', True))
+            '%s-recipe' % d.getVar('PF'))
    bb.utils.mkdirhier(outdir)
    shutil.copy(bbfile, outdir)
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
-    bbappend_files = d.getVar('BBINCLUDED', True).split()
+    bbappend_files = d.getVar('BBINCLUDED').split()
    # If recipe name is aa, we need to match files like aa.bbappend and aa_1.1.bbappend
    # Files like aa1.bbappend or aa1_1.1.bbappend must be excluded.
    bbappend_re = re.compile( r".*/%s_[^/]*\.bbappend$" %pn)
@@ -356,7 +356,7 @@ python do_ar_recipe () {
            shutil.copy(file, outdir)
    dirname = os.path.dirname(bbfile)
-    bbpath = '%s:%s' % (dirname, d.getVar('BBPATH', True))
+    bbpath = '%s:%s' % (dirname, d.getVar('BBPATH'))
    f = open(bbfile, 'r')
    for line in f.readlines():
        incfile = None
@@ -370,7 +370,7 @@ python do_ar_recipe () {
            if incfile:
                shutil.copy(incfile, outdir)
-    create_tarball(d, outdir, 'recipe', d.getVar('ARCHIVER_OUTDIR', True))
+    create_tarball(d, outdir, 'recipe', d.getVar('ARCHIVER_OUTDIR'))
    bb.utils.remove(outdir, recurse=True)
 }
@@ -379,8 +379,8 @@ python do_dumpdata () {
    dump environment data to ${PF}-showdata.dump
    """
-    dumpfile = os.path.join(d.getVar('ARCHIVER_OUTDIR', True), \
+    dumpfile = os.path.join(d.getVar('ARCHIVER_OUTDIR'), \
-        '%s-showdata.dump' % d.getVar('PF', True))
+        '%s-showdata.dump' % d.getVar('PF'))
    bb.note('Dumping metadata into %s' % dumpfile)
    with open(dumpfile, "w") as f:
        # emit variables and shell functions
diff --git a/meta/classes/autotools.bbclass b/meta/classes/autotools.bbclass
index c43ea9a7ef..c43531b050 100644
--- a/meta/classes/autotools.bbclass
+++ b/meta/classes/autotools.bbclass
@@ -1,8 +1,8 @@
 def autotools_dep_prepend(d):
-    if d.getVar('INHIBIT_AUTOTOOLS_DEPS', True):
+    if d.getVar('INHIBIT_AUTOTOOLS_DEPS'):
        return ''
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    deps = ''
    if pn in ['autoconf-native', 'automake-native', 'help2man-native']:
@@ -14,7 +14,7 @@ def autotools_dep_prepend(d):
        if not bb.data.inherits_class('native', d) \
                        and not bb.data.inherits_class('nativesdk', d) \
                        and not bb.data.inherits_class('cross', d) \
-                        and not d.getVar('INHIBIT_DEFAULT_DEPS', True):
+                        and not d.getVar('INHIBIT_DEFAULT_DEPS'):
            deps += 'libtool-cross '
    return deps + 'gnu-config-native '
@@ -139,15 +139,15 @@ ACLOCALDIR = "${WORKDIR}/aclocal-copy"
 python autotools_copy_aclocals () {
    import copy
-    s = d.getVar("AUTOTOOLS_SCRIPT_PATH", True)
+    s = d.getVar("AUTOTOOLS_SCRIPT_PATH")
    if not os.path.exists(s + "/configure.in") and not os.path.exists(s + "/configure.ac"):
        if not d.getVar("AUTOTOOLS_COPYACLOCAL", False):
            return
    taskdepdata = d.getVar("BB_TASKDEPDATA", False)
    #bb.warn(str(taskdepdata))
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
-    aclocaldir = d.getVar("ACLOCALDIR", True)
+    aclocaldir = d.getVar("ACLOCALDIR")
    oe.path.remove(aclocaldir)
    bb.utils.mkdirhier(aclocaldir)
    start = None
diff --git a/meta/classes/base.bbclass b/meta/classes/base.bbclass
index 19673e6913..2765ebf61b 100644
--- a/meta/classes/base.bbclass
+++ b/meta/classes/base.bbclass
@@ -16,7 +16,7 @@ OE_IMPORTS[type] = "list"
 def oe_import(d):
    import sys
-    bbpath = d.getVar("BBPATH", True).split(":")
+    bbpath = d.getVar("BBPATH").split(":")
    sys.path[0:0] = [os.path.join(dir, "lib") for dir in bbpath]
    def inject(name, value):
@@ -37,7 +37,7 @@ def oe_import(d):
 OE_IMPORTED := "${@oe_import(d)}"
 def lsb_distro_identifier(d):
-    adjust = d.getVar('LSB_DISTRO_ADJUST', True)
+    adjust = d.getVar('LSB_DISTRO_ADJUST')
    adjust_func = None
    if adjust:
        try:
@@ -72,7 +72,7 @@ def base_dep_prepend(d):
    # we need that built is the responsibility of the patch function / class, not
    # the application.
    if not d.getVar('INHIBIT_DEFAULT_DEPS', False):
-        if (d.getVar('HOST_SYS', True) != d.getVar('BUILD_SYS', True)):
+        if (d.getVar('HOST_SYS') != d.getVar('BUILD_SYS')):
            deps += " virtual/${TARGET_PREFIX}gcc virtual/${TARGET_PREFIX}compilerlibs virtual/libc "
    return deps
@@ -83,11 +83,11 @@ DEPENDS_prepend="${BASEDEPENDS} "
 FILESPATH = "${@base_set_filespath(["${FILE_DIRNAME}/${BP}", "${FILE_DIRNAME}/${BPN}", "${FILE_DIRNAME}/files"], d)}"
 # THISDIR only works properly with imediate expansion as it has to run
 # in the context of the location its used (:=)
-THISDIR = "${@os.path.dirname(d.getVar('FILE', True))}"
+THISDIR = "${@os.path.dirname(d.getVar('FILE'))}"
 def extra_path_elements(d):
    path = ""
-    elements = (d.getVar('EXTRANATIVEPATH', True) or "").split()
+    elements = (d.getVar('EXTRANATIVEPATH') or "").split()
    for e in elements:
        path = path + "${STAGING_BINDIR_NATIVE}/" + e + ":"
    return path
@@ -96,11 +96,11 @@ PATH_prepend = "${@extra_path_elements(d)}"
 def get_lic_checksum_file_list(d):
    filelist = []
-    lic_files = d.getVar("LIC_FILES_CHKSUM", True) or ''
+    lic_files = d.getVar("LIC_FILES_CHKSUM") or ''
-    tmpdir = d.getVar("TMPDIR", True)
+    tmpdir = d.getVar("TMPDIR")
-    s = d.getVar("S", True)
+    s = d.getVar("S")
-    b = d.getVar("B", True)
+    b = d.getVar("B")
-    workdir = d.getVar("WORKDIR", True)
+    workdir = d.getVar("WORKDIR")
    urls = lic_files.split()
    for url in urls:
@@ -116,7 +116,7 @@ def get_lic_checksum_file_list(d):
                    continue
                filelist.append(path + ":" + str(os.path.exists(path)))
        except bb.fetch.MalformedUrl:
-            bb.fatal(d.getVar('PN', True) + ": LIC_FILES_CHKSUM contains an invalid URL: " + url)
+            bb.fatal(d.getVar('PN') + ": LIC_FILES_CHKSUM contains an invalid URL: " + url)
    return " ".join(filelist)
 addtask fetch
@@ -126,7 +126,7 @@ do_fetch[file-checksums] += " ${@get_lic_checksum_file_list(d)}"
 do_fetch[vardeps] += "SRCREV"
 python base_do_fetch() {
-    src_uri = (d.getVar('SRC_URI', True) or "").split()
+    src_uri = (d.getVar('SRC_URI') or "").split()
    if len(src_uri) == 0:
        return
@@ -141,31 +141,31 @@ addtask unpack after do_fetch
 do_unpack[dirs] = "${WORKDIR}"
 python () {
-    if d.getVar('S', True) != d.getVar('WORKDIR', True):
+    if d.getVar('S') != d.getVar('WORKDIR'):
        d.setVarFlag('do_unpack', 'cleandirs', '${S}')
    else:
        d.setVarFlag('do_unpack', 'cleandirs', os.path.join('${S}', 'patches'))
 }
 python base_do_unpack() {
-    src_uri = (d.getVar('SRC_URI', True) or "").split()
+    src_uri = (d.getVar('SRC_URI') or "").split()
    if len(src_uri) == 0:
        return
    try:
        fetcher = bb.fetch2.Fetch(src_uri, d)
-        fetcher.unpack(d.getVar('WORKDIR', True))
+        fetcher.unpack(d.getVar('WORKDIR'))
    except bb.fetch2.BBFetchException as e:
        bb.fatal(str(e))
 }
 def pkgarch_mapping(d):
    # Compatibility mappings of TUNE_PKGARCH (opt in)
-    if d.getVar("PKGARCHCOMPAT_ARMV7A", True):
+    if d.getVar("PKGARCHCOMPAT_ARMV7A"):
-        if d.getVar("TUNE_PKGARCH", True) == "armv7a-vfp-neon":
+        if d.getVar("TUNE_PKGARCH") == "armv7a-vfp-neon":
            d.setVar("TUNE_PKGARCH", "armv7a")
 def get_layers_branch_rev(d):
-    layers = (d.getVar("BBLAYERS", True) or "").split()
+    layers = (d.getVar("BBLAYERS") or "").split()
    layers_branch_rev = ["%-17s = \"%s:%s\"" % (os.path.basename(i), \
        base_get_metadata_git_branch(i, None).strip(), \
        base_get_metadata_git_revision(i, None)) \
@@ -192,7 +192,7 @@ BUILDCFG_FUNCS[type] = "list"
 def buildcfg_vars(d):
    statusvars = oe.data.typed_value('BUILDCFG_VARS', d)
    for var in statusvars:
-        value = d.getVar(var, True)
+        value = d.getVar(var)
        if value is not None:
            yield '%-17s = "%s"' % (var, value)
@@ -200,7 +200,7 @@ def buildcfg_neededvars(d):
    needed_vars = oe.data.typed_value("BUILDCFG_NEEDEDVARS", d)
    pesteruser = []
    for v in needed_vars:
-        val = d.getVar(v, True)
+        val = d.getVar(v)
        if not val or val == 'INVALID':
            pesteruser.append(v)
@@ -233,7 +233,7 @@ python base_eventhandler() {
                if flines:
                    statuslines.extend(flines)
-        statusheader = e.data.getVar('BUILDCFG_HEADER', True)
+        statusheader = e.data.getVar('BUILDCFG_HEADER')
        if statusheader:
            bb.plain('\n%s\n%s\n' % (statusheader, '\n'.join(statuslines)))
@@ -241,7 +241,7 @@ python base_eventhandler() {
    # target ones and we'd see dulpicate key names overwriting each other
    # for various PREFERRED_PROVIDERS
    if isinstance(e, bb.event.RecipePreFinalise):
-        if e.data.getVar("TARGET_PREFIX", True) == e.data.getVar("SDK_PREFIX", True):
+        if e.data.getVar("TARGET_PREFIX") == e.data.getVar("SDK_PREFIX"):
            e.data.delVar("PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils")
            e.data.delVar("PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc-initial")
            e.data.delVar("PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc")
@@ -267,14 +267,14 @@ python base_eventhandler() {
        # sysroot since they're now "unreachable". This makes switching virtual/kernel work in 
        # particular.
        #
-        pn = d.getVar('PN', True)
+        pn = d.getVar('PN')
        source_mirror_fetch = d.getVar('SOURCE_MIRROR_FETCH', False)
        if not source_mirror_fetch:
-            provs = (d.getVar("PROVIDES", True) or "").split()
+            provs = (d.getVar("PROVIDES") or "").split()
-            multiwhitelist = (d.getVar("MULTI_PROVIDER_WHITELIST", True) or "").split()
+            multiwhitelist = (d.getVar("MULTI_PROVIDER_WHITELIST") or "").split()
            for p in provs:
                if p.startswith("virtual/") and p not in multiwhitelist:
-                    profprov = d.getVar("PREFERRED_PROVIDER_" + p, True)
+                    profprov = d.getVar("PREFERRED_PROVIDER_" + p)
                    if profprov and pn != profprov:
                        raise bb.parse.SkipPackage("PREFERRED_PROVIDER_%s set to %s, not %s" % (p, profprov, pn))
 }
@@ -336,9 +336,9 @@ def set_packagetriplet(d):
    tos = []
    tvs = []
-    archs.append(d.getVar("PACKAGE_ARCHS", True).split())
+    archs.append(d.getVar("PACKAGE_ARCHS").split())
-    tos.append(d.getVar("TARGET_OS", True))
+    tos.append(d.getVar("TARGET_OS"))
-    tvs.append(d.getVar("TARGET_VENDOR", True))
+    tvs.append(d.getVar("TARGET_VENDOR"))
    def settriplet(d, varname, archs, tos, tvs):
        triplets = []
@@ -350,16 +350,16 @@ def set_packagetriplet(d):
    settriplet(d, "PKGTRIPLETS", archs, tos, tvs)
-    variants = d.getVar("MULTILIB_VARIANTS", True) or ""
+    variants = d.getVar("MULTILIB_VARIANTS") or ""
    for item in variants.split():
        localdata = bb.data.createCopy(d)
        overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + item
        localdata.setVar("OVERRIDES", overrides)
        bb.data.update_data(localdata)
-        archs.append(localdata.getVar("PACKAGE_ARCHS", True).split())
+        archs.append(localdata.getVar("PACKAGE_ARCHS").split())
-        tos.append(localdata.getVar("TARGET_OS", True))
+        tos.append(localdata.getVar("TARGET_OS"))
-        tvs.append(localdata.getVar("TARGET_VENDOR", True))
+        tvs.append(localdata.getVar("TARGET_VENDOR"))
    settriplet(d, "PKGMLTRIPLETS", archs, tos, tvs)
@@ -374,10 +374,10 @@ python () {
    # PACKAGECONFIG[foo] = "--enable-foo,--disable-foo,foo_depends,foo_runtime_depends"
    pkgconfigflags = d.getVarFlags("PACKAGECONFIG") or {}
    if pkgconfigflags:
-        pkgconfig = (d.getVar('PACKAGECONFIG', True) or "").split()
+        pkgconfig = (d.getVar('PACKAGECONFIG') or "").split()
-        pn = d.getVar("PN", True)
+        pn = d.getVar("PN")
-        mlprefix = d.getVar("MLPREFIX", True)
+        mlprefix = d.getVar("MLPREFIX")
        def expandFilter(appends, extension, prefix):
            appends = bb.utils.explode_deps(d.expand(" ".join(appends)))
@@ -419,7 +419,7 @@ python () {
            num = len(items)
            if num > 4:
                bb.error("%s: PACKAGECONFIG[%s] Only enable,disable,depend,rdepend can be specified!"
-                    % (d.getVar('PN', True), flag))
+                    % (d.getVar('PN'), flag))
            if flag in pkgconfig:
                if num >= 3 and items[2]:
@@ -434,8 +434,8 @@ python () {
        appendVar('RDEPENDS_${PN}', extrardeps)
        appendVar('PACKAGECONFIG_CONFARGS', extraconf)
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
-    license = d.getVar('LICENSE', True)
+    license = d.getVar('LICENSE')
    if license == "INVALID":
        bb.fatal('This recipe does not have the LICENSE field set (%s)' % pn)
@@ -465,26 +465,26 @@ python () {
        d.setVarFlag('do_devshell', 'fakeroot', '1')
        d.appendVarFlag('do_devshell', 'depends', ' virtual/fakeroot-native:do_populate_sysroot')
-    need_machine = d.getVar('COMPATIBLE_MACHINE', True)
+    need_machine = d.getVar('COMPATIBLE_MACHINE')
    if need_machine:
        import re
-        compat_machines = (d.getVar('MACHINEOVERRIDES', True) or "").split(":")
+        compat_machines = (d.getVar('MACHINEOVERRIDES') or "").split(":")
        for m in compat_machines:
            if re.match(need_machine, m):
                break
        else:
-            raise bb.parse.SkipPackage("incompatible with machine %s (not in COMPATIBLE_MACHINE)" % d.getVar('MACHINE', True))
+            raise bb.parse.SkipPackage("incompatible with machine %s (not in COMPATIBLE_MACHINE)" % d.getVar('MACHINE'))
    source_mirror_fetch = d.getVar('SOURCE_MIRROR_FETCH', False)
    if not source_mirror_fetch:
-        need_host = d.getVar('COMPATIBLE_HOST', True)
+        need_host = d.getVar('COMPATIBLE_HOST')
        if need_host:
            import re
-            this_host = d.getVar('HOST_SYS', True)
+            this_host = d.getVar('HOST_SYS')
            if not re.match(need_host, this_host):
                raise bb.parse.SkipPackage("incompatible with host %s (not in COMPATIBLE_HOST)" % this_host)
-        bad_licenses = (d.getVar('INCOMPATIBLE_LICENSE', True) or "").split()
+        bad_licenses = (d.getVar('INCOMPATIBLE_LICENSE') or "").split()
        check_license = False if pn.startswith("nativesdk-") else True
        for t in ["-native", "-cross-${TARGET_ARCH}", "-cross-initial-${TARGET_ARCH}",
@@ -503,21 +503,21 @@ python () {
            for lic in bad_licenses:
                spdx_license = return_spdx(d, lic)
                for w in ["LGPLv2_WHITELIST_", "WHITELIST_"]:
-                    whitelist.extend((d.getVar(w + lic, True) or "").split())
+                    whitelist.extend((d.getVar(w + lic) or "").split())
                    if spdx_license:
-                        whitelist.extend((d.getVar(w + spdx_license, True) or "").split())
+                        whitelist.extend((d.getVar(w + spdx_license) or "").split())
                    '''
                    We need to track what we are whitelisting and why. If pn is
                    incompatible we need to be able to note that the image that
                    is created may infact contain incompatible licenses despite
                    INCOMPATIBLE_LICENSE being set.
                    '''
-                    incompatwl.extend((d.getVar(w + lic, True) or "").split())
+                    incompatwl.extend((d.getVar(w + lic) or "").split())
                    if spdx_license:
-                        incompatwl.extend((d.getVar(w + spdx_license, True) or "").split())
+                        incompatwl.extend((d.getVar(w + spdx_license) or "").split())
            if not pn in whitelist:
-                pkgs = d.getVar('PACKAGES', True).split()
+                pkgs = d.getVar('PACKAGES').split()
                skipped_pkgs = []
                unskipped_pkgs = []
                for pkg in pkgs:
@@ -529,7 +529,7 @@ python () {
                if unskipped_pkgs:
                    for pkg in skipped_pkgs:
                        bb.debug(1, "SKIPPING the package " + pkg + " at do_rootfs because it's " + license)
-                        mlprefix = d.getVar('MLPREFIX', True)
+                        mlprefix = d.getVar('MLPREFIX')
                        d.setVar('LICENSE_EXCLUSION-' + mlprefix + pkg, 1)
                    for pkg in unskipped_pkgs:
                        bb.debug(1, "INCLUDING the package " + pkg)
@@ -545,8 +545,8 @@ python () {
        # matching of license expressions - just check that all license strings
        # in LICENSE_<pkg> are found in LICENSE.
        license_set = oe.license.list_licenses(license)
-        for pkg in d.getVar('PACKAGES', True).split():
+        for pkg in d.getVar('PACKAGES').split():
-            pkg_license = d.getVar('LICENSE_' + pkg, True)
+            pkg_license = d.getVar('LICENSE_' + pkg)
            if pkg_license:
                unlisted = oe.license.list_licenses(pkg_license) - license_set
                if unlisted:
@@ -554,7 +554,7 @@ python () {
                            "listed in LICENSE" % (pkg, ' '.join(unlisted)))
    needsrcrev = False
-    srcuri = d.getVar('SRC_URI', True)
+    srcuri = d.getVar('SRC_URI')
    for uri in srcuri.split():
        (scheme, _ , path) = bb.fetch.decodeurl(uri)[:3]
@@ -614,8 +614,8 @@ python () {
    set_packagetriplet(d)
    # 'multimachine' handling
-    mach_arch = d.getVar('MACHINE_ARCH', True)
+    mach_arch = d.getVar('MACHINE_ARCH')
-    pkg_arch = d.getVar('PACKAGE_ARCH', True)
+    pkg_arch = d.getVar('PACKAGE_ARCH')
    if (pkg_arch == mach_arch):
        # Already machine specific - nothing further to do
@@ -625,11 +625,11 @@ python () {
    # We always try to scan SRC_URI for urls with machine overrides
    # unless the package sets SRC_URI_OVERRIDES_PACKAGE_ARCH=0
    #
-    override = d.getVar('SRC_URI_OVERRIDES_PACKAGE_ARCH', True)
+    override = d.getVar('SRC_URI_OVERRIDES_PACKAGE_ARCH')
    if override != '0':
        paths = []
-        fpaths = (d.getVar('FILESPATH', True) or '').split(':')
+        fpaths = (d.getVar('FILESPATH') or '').split(':')
-        machine = d.getVar('MACHINE', True)
+        machine = d.getVar('MACHINE')
        for p in fpaths:
            if os.path.basename(p) == machine and os.path.isdir(p):
                paths.append(p)
@@ -646,16 +646,16 @@ python () {
                        d.setVar('PACKAGE_ARCH', "${MACHINE_ARCH}")
                        return
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
    for pkg in packages:
-        pkgarch = d.getVar("PACKAGE_ARCH_%s" % pkg, True)
+        pkgarch = d.getVar("PACKAGE_ARCH_%s" % pkg)
        # We could look for != PACKAGE_ARCH here but how to choose
        # if multiple differences are present?
        # Look through PACKAGE_ARCHS for the priority order?
        if pkgarch and pkgarch == mach_arch:
            d.setVar('PACKAGE_ARCH', "${MACHINE_ARCH}")
-            bb.warn("Recipe %s is marked as only being architecture specific but seems to have machine specific packages?! The recipe may as well mark itself as machine specific directly." % d.getVar("PN", True))
+            bb.warn("Recipe %s is marked as only being architecture specific but seems to have machine specific packages?! The recipe may as well mark itself as machine specific directly." % d.getVar("PN"))
 }
 addtask cleansstate after do_clean
@@ -666,7 +666,7 @@ addtask cleanall after do_cleansstate
 do_cleansstate[nostamp] = "1"
 python do_cleanall() {
-    src_uri = (d.getVar('SRC_URI', True) or "").split()
+    src_uri = (d.getVar('SRC_URI') or "").split()
    if len(src_uri) == 0:
        return
diff --git a/meta/classes/binconfig.bbclass b/meta/classes/binconfig.bbclass
index 8591308aa7..5372294142 100644
--- a/meta/classes/binconfig.bbclass
+++ b/meta/classes/binconfig.bbclass
@@ -22,7 +22,7 @@ def get_binconfig_mangle(d):
        s += " -e 's:-I${WORKDIR}:-I${STAGING_INCDIR}:'"
        s += " -e 's:-L${WORKDIR}:-L${STAGING_LIBDIR}:'"
        if d.getVar("OE_BINCONFIG_EXTRA_MANGLE", False):
-            s += d.getVar("OE_BINCONFIG_EXTRA_MANGLE", True)
+            s += d.getVar("OE_BINCONFIG_EXTRA_MANGLE")
    return s
diff --git a/meta/classes/blacklist.bbclass b/meta/classes/blacklist.bbclass
index a0141a82c0..c6f422398c 100644
--- a/meta/classes/blacklist.bbclass
+++ b/meta/classes/blacklist.bbclass
@@ -16,7 +16,7 @@
 addhandler blacklist_multilib_eventhandler
 blacklist_multilib_eventhandler[eventmask] = "bb.event.ConfigParsed"
 python blacklist_multilib_eventhandler() {
-    multilibs = e.data.getVar('MULTILIBS', True)
+    multilibs = e.data.getVar('MULTILIBS')
    if not multilibs:
        return
@@ -38,7 +38,7 @@ python blacklist_multilib_eventhandler() {
 }
 python () {
-    blacklist = d.getVarFlag('PNBLACKLIST', d.getVar('PN', True), True)
+    blacklist = d.getVarFlag('PNBLACKLIST', d.getVar('PN'), True)
    if blacklist:
        raise bb.parse.SkipPackage("Recipe is blacklisted: %s" % (blacklist))
diff --git a/meta/classes/bugzilla.bbclass b/meta/classes/bugzilla.bbclass
index 3fc8956428..6d9a8211f0 100644
--- a/meta/classes/bugzilla.bbclass
+++ b/meta/classes/bugzilla.bbclass
@@ -110,12 +110,12 @@ python bugzilla_eventhandler() {
        return
    if name == "TaskFailed":
-        xmlrpc  = data.getVar("BUGZILLA_XMLRPC", True)
+        xmlrpc  = data.getVar("BUGZILLA_XMLRPC")
-        user    = data.getVar("BUGZILLA_USER", True)
+        user    = data.getVar("BUGZILLA_USER")
-        passw   = data.getVar("BUGZILLA_PASS", True)
+        passw   = data.getVar("BUGZILLA_PASS")
-        product = data.getVar("BUGZILLA_PRODUCT", True)
+        product = data.getVar("BUGZILLA_PRODUCT")
-        compon  = data.getVar("BUGZILLA_COMPONENT", True)
+        compon  = data.getVar("BUGZILLA_COMPONENT")
-        version = data.getVar("BUGZILLA_VERSION", True)
+        version = data.getVar("BUGZILLA_VERSION")
        proxy   = data.getVar('http_proxy', True )
        if (proxy):
@@ -133,14 +133,14 @@ python bugzilla_eventhandler() {
            'component': compon}
        # evil hack to figure out what is going on
-        debug_file = open(os.path.join(data.getVar("TMPDIR", True),"..","bugzilla-log"),"a")
+        debug_file = open(os.path.join(data.getVar("TMPDIR"),"..","bugzilla-log"),"a")
        file = None
-        bugname = "%(package)s-%(pv)s-autobuild" % { "package" : data.getVar("PN", True),
+        bugname = "%(package)s-%(pv)s-autobuild" % { "package" : data.getVar("PN"),
-                                                           "pv"      : data.getVar("PV", True),
+                                                           "pv"      : data.getVar("PV"),
                                                           }
-        log_file = glob.glob("%s/log.%s.*" % (event.data.getVar('T', True), event.task))
+        log_file = glob.glob("%s/log.%s.*" % (event.data.getVar('T'), event.task))
-        text     = "The %s step in %s failed at %s for machine %s" % (e.task, data.getVar("PN", True), data.getVar('DATETIME', True), data.getVar( 'MACHINE', True ) )
+        text     = "The %s step in %s failed at %s for machine %s" % (e.task, data.getVar("PN"), data.getVar('DATETIME'), data.getVar( 'MACHINE', True ) )
        if len(log_file) != 0:
            print >> debug_file, "Adding log file %s" % log_file[0]
            file = open(log_file[0], 'r')
@@ -168,7 +168,7 @@ python bugzilla_eventhandler() {
        if bug_number and log:
            print >> debug_file, "The bug is known as '%s'" % bug_number
-            desc = "Build log for machine %s" % (data.getVar('MACHINE', True))
+            desc = "Build log for machine %s" % (data.getVar('MACHINE'))
            if not bugzilla_create_attachment(debug_file, server, args.copy(), bug_number, text, log_file[0], log, desc):
                 print >> debug_file, "Failed to attach the build log for bug #%s" % bug_number
            else:
diff --git a/meta/classes/buildhistory.bbclass b/meta/classes/buildhistory.bbclass
index d82e9bb55c..73cd88669a 100644
--- a/meta/classes/buildhistory.bbclass
+++ b/meta/classes/buildhistory.bbclass
@@ -64,18 +64,18 @@ PATCH_GIT_USER_NAME ?= "OpenEmbedded"
 # Write out metadata about this package for comparison when writing future packages
 #
 python buildhistory_emit_pkghistory() {
-    if not d.getVar('BB_CURRENTTASK', True) in ['packagedata', 'packagedata_setscene']:
+    if not d.getVar('BB_CURRENTTASK') in ['packagedata', 'packagedata_setscene']:
        return 0
-    if not "package" in (d.getVar('BUILDHISTORY_FEATURES', True) or "").split():
+    if not "package" in (d.getVar('BUILDHISTORY_FEATURES') or "").split():
        return 0
    import re
    import json
    import errno
-    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE', True)
+    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE')
-    oldpkghistdir = d.getVar('BUILDHISTORY_OLD_DIR_PACKAGE', True)
+    oldpkghistdir = d.getVar('BUILDHISTORY_OLD_DIR_PACKAGE')
    class RecipeInfo:
        def __init__(self, name):
@@ -182,12 +182,12 @@ python buildhistory_emit_pkghistory() {
        items.sort()
        return ' '.join(items)
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
-    pe = d.getVar('PE', True) or "0"
+    pe = d.getVar('PE') or "0"
-    pv = d.getVar('PV', True)
+    pv = d.getVar('PV')
-    pr = d.getVar('PR', True)
+    pr = d.getVar('PR')
-    pkgdata_dir = d.getVar('PKGDATA_DIR', True)
+    pkgdata_dir = d.getVar('PKGDATA_DIR')
    packages = ""
    try:
        with open(os.path.join(pkgdata_dir, pn)) as f:
@@ -203,7 +203,7 @@ python buildhistory_emit_pkghistory() {
            raise
    packagelist = packages.split()
-    preserve = d.getVar('BUILDHISTORY_PRESERVE', True).split()
+    preserve = d.getVar('BUILDHISTORY_PRESERVE').split()
    if not os.path.exists(pkghistdir):
        bb.utils.mkdirhier(pkghistdir)
    else:
@@ -223,11 +223,11 @@ python buildhistory_emit_pkghistory() {
    rcpinfo.pe = pe
    rcpinfo.pv = pv
    rcpinfo.pr = pr
-    rcpinfo.depends = sortlist(oe.utils.squashspaces(d.getVar('DEPENDS', True) or ""))
+    rcpinfo.depends = sortlist(oe.utils.squashspaces(d.getVar('DEPENDS') or ""))
    rcpinfo.packages = packages
    write_recipehistory(rcpinfo, d)
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    for pkg in packagelist:
        pkgdata = {}
        with open(os.path.join(pkgdata_dir, 'runtime', pkg)) as f:
@@ -293,7 +293,7 @@ python buildhistory_emit_pkghistory() {
 def write_recipehistory(rcpinfo, d):
    bb.debug(2, "Writing recipe history")
-    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE', True)
+    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE')
    infofile = os.path.join(pkghistdir, "latest")
    with open(infofile, "w") as f:
@@ -308,7 +308,7 @@ def write_recipehistory(rcpinfo, d):
 def write_pkghistory(pkginfo, d):
    bb.debug(2, "Writing package history for package %s" % pkginfo.name)
-    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE', True)
+    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE')
    pkgpath = os.path.join(pkghistdir, pkginfo.name)
    if not os.path.exists(pkgpath):
@@ -369,7 +369,7 @@ def buildhistory_list_installed(d, rootfs_type="image"):
        pkgs = sdk_list_installed_packages(d, rootfs_type == "sdk_target")
    for output_type, output_file in process_list:
-        output_file_full = os.path.join(d.getVar('WORKDIR', True), output_file)
+        output_file_full = os.path.join(d.getVar('WORKDIR'), output_file)
        with open(output_file_full, 'w') as output:
            output.write(format_pkg_list(pkgs, output_type))
@@ -550,7 +550,7 @@ END
 python buildhistory_get_extra_sdkinfo() {
    import operator
    import math
-    if d.getVar('BB_CURRENTTASK', True) == 'populate_sdk_ext':
+    if d.getVar('BB_CURRENTTASK') == 'populate_sdk_ext':
        tasksizes = {}
        filesizes = {}
        for root, _, files in os.walk(d.expand('${SDK_OUTPUT}/${SDKPATH}/sstate-cache')):
@@ -591,7 +591,7 @@ SDK_POSTPROCESS_COMMAND_append = " buildhistory_get_sdkinfo ; buildhistory_get_e
 SDK_POSTPROCESS_COMMAND[vardepvalueexclude] .= "| buildhistory_get_sdkinfo ; buildhistory_get_extra_sdkinfo; "
 def buildhistory_get_build_id(d):
-    if d.getVar('BB_WORKERCONTEXT', True) != '1':
+    if d.getVar('BB_WORKERCONTEXT') != '1':
        return ""
    localdata = bb.data.createCopy(d)
    bb.data.update_data(localdata)
@@ -605,12 +605,12 @@ def buildhistory_get_build_id(d):
            if flines:
                statuslines.extend(flines)
-    statusheader = d.getVar('BUILDCFG_HEADER', True)
+    statusheader = d.getVar('BUILDCFG_HEADER')
    return('\n%s\n%s\n' % (statusheader, '\n'.join(statuslines)))
 def buildhistory_get_metadata_revs(d):
    # We want an easily machine-readable format here, so get_layers_branch_rev isn't quite what we want
-    layers = (d.getVar("BBLAYERS", True) or "").split()
+    layers = (d.getVar("BBLAYERS") or "").split()
    medadata_revs = ["%-17s = %s:%s" % (os.path.basename(i), \
        base_get_metadata_git_branch(i, None).strip(), \
        base_get_metadata_git_revision(i, None)) \
@@ -622,7 +622,7 @@ def outputvars(vars, listvars, d):
    listvars = listvars.split()
    ret = ""
    for var in vars:
-        value = d.getVar(var, True) or ""
+        value = d.getVar(var) or ""
        if var in listvars:
            # Squash out spaces
            value = oe.utils.squashspaces(value)
@@ -630,17 +630,17 @@ def outputvars(vars, listvars, d):
    return ret.rstrip('\n')
 def buildhistory_get_imagevars(d):
-    if d.getVar('BB_WORKERCONTEXT', True) != '1':
+    if d.getVar('BB_WORKERCONTEXT') != '1':
        return ""
    imagevars = "DISTRO DISTRO_VERSION USER_CLASSES IMAGE_CLASSES IMAGE_FEATURES IMAGE_LINGUAS IMAGE_INSTALL BAD_RECOMMENDATIONS NO_RECOMMENDATIONS PACKAGE_EXCLUDE ROOTFS_POSTPROCESS_COMMAND IMAGE_POSTPROCESS_COMMAND"
    listvars = "USER_CLASSES IMAGE_CLASSES IMAGE_FEATURES IMAGE_LINGUAS IMAGE_INSTALL BAD_RECOMMENDATIONS PACKAGE_EXCLUDE"
    return outputvars(imagevars, listvars, d)
 def buildhistory_get_sdkvars(d):
-    if d.getVar('BB_WORKERCONTEXT', True) != '1':
+    if d.getVar('BB_WORKERCONTEXT') != '1':
        return ""
    sdkvars = "DISTRO DISTRO_VERSION SDK_NAME SDK_VERSION SDKMACHINE SDKIMAGE_FEATURES BAD_RECOMMENDATIONS NO_RECOMMENDATIONS PACKAGE_EXCLUDE"
-    if d.getVar('BB_CURRENTTASK', True) == 'populate_sdk_ext':
+    if d.getVar('BB_CURRENTTASK') == 'populate_sdk_ext':
        # Extensible SDK uses some additional variables
        sdkvars += " SDK_LOCAL_CONF_WHITELIST SDK_LOCAL_CONF_BLACKLIST SDK_INHERIT_BLACKLIST SDK_UPDATE_URL SDK_EXT_TYPE SDK_RECRDEP_TASKS SDK_INCLUDE_PKGDATA SDK_INCLUDE_TOOLCHAIN"
    listvars = "SDKIMAGE_FEATURES BAD_RECOMMENDATIONS PACKAGE_EXCLUDE SDK_LOCAL_CONF_WHITELIST SDK_LOCAL_CONF_BLACKLIST SDK_INHERIT_BLACKLIST"
@@ -735,16 +735,16 @@ END
 }
 python buildhistory_eventhandler() {
-    if e.data.getVar('BUILDHISTORY_FEATURES', True).strip():
+    if e.data.getVar('BUILDHISTORY_FEATURES').strip():
-        reset = e.data.getVar("BUILDHISTORY_RESET", True)
+        reset = e.data.getVar("BUILDHISTORY_RESET")
-        olddir = e.data.getVar("BUILDHISTORY_OLD_DIR", True)
+        olddir = e.data.getVar("BUILDHISTORY_OLD_DIR")
        if isinstance(e, bb.event.BuildStarted):
            if reset:
                import shutil
                # Clean up after potentially interrupted build.
                if os.path.isdir(olddir):
                    shutil.rmtree(olddir)
-                rootdir = e.data.getVar("BUILDHISTORY_DIR", True)
+                rootdir = e.data.getVar("BUILDHISTORY_DIR")
                entries = [ x for x in os.listdir(rootdir) if not x.startswith('.') ]
                bb.utils.mkdirhier(olddir)
                for entry in entries:
@@ -754,7 +754,7 @@ python buildhistory_eventhandler() {
            if reset:
                import shutil
                shutil.rmtree(olddir)
-            if e.data.getVar("BUILDHISTORY_COMMIT", True) == "1":
+            if e.data.getVar("BUILDHISTORY_COMMIT") == "1":
                bb.note("Writing buildhistory")
                localdata = bb.data.createCopy(e.data)
                localdata.setVar('BUILDHISTORY_BUILD_FAILURES', str(e._failures))
@@ -774,7 +774,7 @@ def _get_srcrev_values(d):
    """
    scms = []
-    fetcher = bb.fetch.Fetch(d.getVar('SRC_URI', True).split(), d)
+    fetcher = bb.fetch.Fetch(d.getVar('SRC_URI').split(), d)
    urldata = fetcher.ud
    for u in urldata:
        if urldata[u].method.supports_srcrev():
@@ -806,7 +806,7 @@ def _get_srcrev_values(d):
 do_fetch[postfuncs] += "write_srcrev"
 do_fetch[vardepsexclude] += "write_srcrev"
 python write_srcrev() {
-    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE', True)
+    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE')
    srcrevfile = os.path.join(pkghistdir, 'latest_srcrev')
    srcrevs, tag_srcrevs = _get_srcrev_values(d)
@@ -838,7 +838,7 @@ python write_srcrev() {
                for name, srcrev in tag_srcrevs.items():
                    f.write('# tag_%s = "%s"\n' % (name, srcrev))
                    if name in old_tag_srcrevs and old_tag_srcrevs[name] != srcrev:
-                        pkg = d.getVar('PN', True)
+                        pkg = d.getVar('PN')
                        bb.warn("Revision for tag %s in package %s was changed since last build (from %s to %s)" % (name, pkg, old_tag_srcrevs[name], srcrev))
    else:
diff --git a/meta/classes/buildstats-summary.bbclass b/meta/classes/buildstats-summary.bbclass
index b86abcc3f1..f9b241b6c5 100644
--- a/meta/classes/buildstats-summary.bbclass
+++ b/meta/classes/buildstats-summary.bbclass
@@ -7,7 +7,7 @@ python buildstats_summary () {
    if not os.path.exists(bsdir):
        return
-    sstatetasks = (e.data.getVar('SSTATETASKS', True) or '').split()
+    sstatetasks = (e.data.getVar('SSTATETASKS') or '').split()
    built = collections.defaultdict(lambda: [set(), set()])
    for pf in os.listdir(bsdir):
        taskdir = os.path.join(bsdir, pf)
diff --git a/meta/classes/buildstats.bbclass b/meta/classes/buildstats.bbclass
index c6b77e6a2a..8703cb2b33 100644
--- a/meta/classes/buildstats.bbclass
+++ b/meta/classes/buildstats.bbclass
@@ -75,8 +75,8 @@ def get_buildtimedata(var, d):
    return timediff, cpuperc
 def write_task_data(status, logfile, e, d):
-    bn = d.getVar('BUILDNAME', True)
+    bn = d.getVar('BUILDNAME')
-    bsdir = os.path.join(d.getVar('BUILDSTATS_BASE', True), bn)
+    bsdir = os.path.join(d.getVar('BUILDSTATS_BASE'), bn)
    with open(os.path.join(logfile), "a") as f:
        elapsedtime = get_timedata("__timedata_task", d, e.time)
        if elapsedtime:
@@ -106,9 +106,9 @@ python run_buildstats () {
    import bb.event
    import time, subprocess, platform
-    bn = d.getVar('BUILDNAME', True)
+    bn = d.getVar('BUILDNAME')
-    bsdir = os.path.join(d.getVar('BUILDSTATS_BASE', True), bn)
+    bsdir = os.path.join(d.getVar('BUILDSTATS_BASE'), bn)
-    taskdir = os.path.join(bsdir, d.getVar('PF', True))
+    taskdir = os.path.join(bsdir, d.getVar('PF'))
    if isinstance(e, bb.event.BuildStarted):
        ########################################################################
@@ -162,7 +162,7 @@ python run_buildstats () {
        if e.task == "do_rootfs":
            bs = os.path.join(bsdir, "build_stats")
            with open(bs, "a") as f:
-                rootfs = d.getVar('IMAGE_ROOTFS', True)
+                rootfs = d.getVar('IMAGE_ROOTFS')
                if os.path.isdir(rootfs):
                    try:
                        rootfs_size = subprocess.check_output(["du", "-sh", rootfs],
@@ -197,7 +197,7 @@ python runqueue_stats () {
    # are available that we need to find the output directory.
    # The persistent SystemStats is stored in the datastore and
    # closed when the build is done.
-    system_stats = d.getVar('_buildstats_system_stats', True)
+    system_stats = d.getVar('_buildstats_system_stats')
    if not system_stats and isinstance(e, (bb.runqueue.sceneQueueTaskStarted, bb.runqueue.runQueueTaskStarted)):
        system_stats = buildstats.SystemStats(d)
        d.setVar('_buildstats_system_stats', system_stats)
diff --git a/meta/classes/ccache.bbclass b/meta/classes/ccache.bbclass
index 2e9837cf07..93fcacaf1a 100644
--- a/meta/classes/ccache.bbclass
+++ b/meta/classes/ccache.bbclass
@@ -1,4 +1,4 @@
-CCACHE = "${@bb.utils.which(d.getVar('PATH', True), 'ccache') and 'ccache '}"
+CCACHE = "${@bb.utils.which(d.getVar('PATH'), 'ccache') and 'ccache '}"
 export CCACHE_DIR ?= "${TMPDIR}/ccache/${MULTIMACH_HOST_SYS}/${PN}"
 CCACHE_DISABLE[unexport] = "1"
diff --git a/meta/classes/chrpath.bbclass b/meta/classes/chrpath.bbclass
index f183b4aeeb..ad3c3975a5 100644
--- a/meta/classes/chrpath.bbclass
+++ b/meta/classes/chrpath.bbclass
@@ -44,7 +44,7 @@ def process_file_linux(cmd, fpath, rootdir, baseprefix, tmpdir, d):
        p = sub.Popen([cmd, '-r', args, fpath],stdout=sub.PIPE,stderr=sub.PIPE)
        out, err = p.communicate()
        if p.returncode != 0:
-            bb.fatal("%s: chrpath command failed with exit code %d:\n%s%s" % (d.getVar('PN', True), p.returncode, out, err))
+            bb.fatal("%s: chrpath command failed with exit code %d:\n%s%s" % (d.getVar('PN'), p.returncode, out, err))
 def process_file_darwin(cmd, fpath, rootdir, baseprefix, tmpdir, d):
    import subprocess as sub
@@ -72,7 +72,7 @@ def process_dir (rootdir, directory, d):
    cmd = d.expand('${CHRPATH_BIN}')
    tmpdir = os.path.normpath(d.getVar('TMPDIR', False))
    baseprefix = os.path.normpath(d.expand('${base_prefix}'))
-    hostos = d.getVar("HOST_OS", True)
+    hostos = d.getVar("HOST_OS")
    #bb.debug("Checking %s for binaries to process" % directory)
    if not os.path.exists(directory):
diff --git a/meta/classes/cmake.bbclass b/meta/classes/cmake.bbclass
index fad0baa519..9e74599296 100644
--- a/meta/classes/cmake.bbclass
+++ b/meta/classes/cmake.bbclass
@@ -46,7 +46,7 @@ cmake_do_generate_toolchain_file() {
 # CMake system name must be something like "Linux".
 # This is important for cross-compiling.
 set( CMAKE_SYSTEM_NAME `echo ${TARGET_OS} | sed -e 's/^./\u&/' -e 's/^\(Linux\).*/\1/'` )
-set( CMAKE_SYSTEM_PROCESSOR ${@map_target_arch_to_uname_arch(d.getVar('TARGET_ARCH', True))} )
+set( CMAKE_SYSTEM_PROCESSOR ${@map_target_arch_to_uname_arch(d.getVar('TARGET_ARCH'))} )
 set( CMAKE_C_COMPILER ${OECMAKE_C_COMPILER} )
 set( CMAKE_CXX_COMPILER ${OECMAKE_CXX_COMPILER} )
 set( CMAKE_ASM_COMPILER ${OECMAKE_C_COMPILER} )
@@ -112,15 +112,15 @@ cmake_do_configure() {
          ${OECMAKE_SITEFILE} \
          ${OECMAKE_SOURCEPATH} \
          -DCMAKE_INSTALL_PREFIX:PATH=${prefix} \
-          -DCMAKE_INSTALL_BINDIR:PATH=${@os.path.relpath(d.getVar('bindir', True), d.getVar('prefix', True))} \
+          -DCMAKE_INSTALL_BINDIR:PATH=${@os.path.relpath(d.getVar('bindir'), d.getVar('prefix'))} \
-          -DCMAKE_INSTALL_SBINDIR:PATH=${@os.path.relpath(d.getVar('sbindir', True), d.getVar('prefix', True))} \
+          -DCMAKE_INSTALL_SBINDIR:PATH=${@os.path.relpath(d.getVar('sbindir'), d.getVar('prefix'))} \
-          -DCMAKE_INSTALL_LIBEXECDIR:PATH=${@os.path.relpath(d.getVar('libexecdir', True), d.getVar('prefix', True))} \
+          -DCMAKE_INSTALL_LIBEXECDIR:PATH=${@os.path.relpath(d.getVar('libexecdir'), d.getVar('prefix'))} \
          -DCMAKE_INSTALL_SYSCONFDIR:PATH=${sysconfdir} \
-          -DCMAKE_INSTALL_SHAREDSTATEDIR:PATH=${@os.path.relpath(d.getVar('sharedstatedir', True), d.  getVar('prefix', True))} \
+          -DCMAKE_INSTALL_SHAREDSTATEDIR:PATH=${@os.path.relpath(d.getVar('sharedstatedir'), d.  getVar('prefix'))} \
          -DCMAKE_INSTALL_LOCALSTATEDIR:PATH=${localstatedir} \
-          -DCMAKE_INSTALL_LIBDIR:PATH=${@os.path.relpath(d.getVar('libdir', True), d.getVar('prefix', True))} \
+          -DCMAKE_INSTALL_LIBDIR:PATH=${@os.path.relpath(d.getVar('libdir'), d.getVar('prefix'))} \
-          -DCMAKE_INSTALL_INCLUDEDIR:PATH=${@os.path.relpath(d.getVar('includedir', True), d.getVar('prefix', True))} \
+          -DCMAKE_INSTALL_INCLUDEDIR:PATH=${@os.path.relpath(d.getVar('includedir'), d.getVar('prefix'))} \
-          -DCMAKE_INSTALL_DATAROOTDIR:PATH=${@os.path.relpath(d.getVar('datadir', True), d.getVar('prefix', True))} \
+          -DCMAKE_INSTALL_DATAROOTDIR:PATH=${@os.path.relpath(d.getVar('datadir'), d.getVar('prefix'))} \
          -DCMAKE_INSTALL_SO_NO_EXE=0 \
          -DCMAKE_TOOLCHAIN_FILE=${WORKDIR}/toolchain.cmake \
          -DCMAKE_VERBOSE_MAKEFILE=1 \
diff --git a/meta/classes/cml1.bbclass b/meta/classes/cml1.bbclass
index 5834806269..187d407d98 100644
--- a/meta/classes/cml1.bbclass
+++ b/meta/classes/cml1.bbclass
@@ -26,7 +26,7 @@ python do_menuconfig() {
    except OSError:
        mtime = 0
-    oe_terminal("${SHELL} -c \"make %s; if [ \$? -ne 0 ]; then echo 'Command failed.'; printf 'Press any key to continue... '; read r; fi\"" % d.getVar('KCONFIG_CONFIG_COMMAND', True),
+    oe_terminal("${SHELL} -c \"make %s; if [ \$? -ne 0 ]; then echo 'Command failed.'; printf 'Press any key to continue... '; read r; fi\"" % d.getVar('KCONFIG_CONFIG_COMMAND'),
                d.getVar('PN', True ) + ' Configuration', d)
    # FIXME this check can be removed when the minimum bitbake version has been bumped
@@ -49,7 +49,7 @@ python do_diffconfig() {
    import shutil
    import subprocess
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
    fragment = workdir + '/fragment.cfg'
    configorig = '.config.orig'
    config = '.config'
diff --git a/meta/classes/compress_doc.bbclass b/meta/classes/compress_doc.bbclass
index 8073c173e5..069db1997b 100644
--- a/meta/classes/compress_doc.bbclass
+++ b/meta/classes/compress_doc.bbclass
@@ -31,25 +31,25 @@ DOC_DECOMPRESS_CMD[xz] ?= "unxz -v"
 PACKAGE_PREPROCESS_FUNCS += "package_do_compress_doc compress_doc_updatealternatives"
 python package_do_compress_doc() {
-    compress_mode = d.getVar('DOC_COMPRESS', True)
+    compress_mode = d.getVar('DOC_COMPRESS')
-    compress_list = (d.getVar('DOC_COMPRESS_LIST', True) or '').split()
+    compress_list = (d.getVar('DOC_COMPRESS_LIST') or '').split()
    if compress_mode not in compress_list:
        bb.fatal('Compression policy %s not supported (not listed in %s)\n' % (compress_mode, compress_list))
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
    compress_cmds = {}
    decompress_cmds = {}
    for mode in compress_list:
        compress_cmds[mode] = d.getVarFlag('DOC_COMPRESS_CMD', mode, True)
        decompress_cmds[mode] = d.getVarFlag('DOC_DECOMPRESS_CMD', mode, True)
-    mandir = os.path.abspath(dvar + os.sep + d.getVar("mandir", True))
+    mandir = os.path.abspath(dvar + os.sep + d.getVar("mandir"))
    if os.path.exists(mandir):
        # Decompress doc files which format is not compress_mode
        decompress_doc(mandir, compress_mode, decompress_cmds)
        compress_doc(mandir, compress_mode, compress_cmds)
-    infodir = os.path.abspath(dvar + os.sep + d.getVar("infodir", True))
+    infodir = os.path.abspath(dvar + os.sep + d.getVar("infodir"))
    if os.path.exists(infodir):
        # Decompress doc files which format is not compress_mode
        decompress_doc(infodir, compress_mode, decompress_cmds)
@@ -218,18 +218,18 @@ python compress_doc_updatealternatives () {
    if not bb.data.inherits_class('update-alternatives', d):
        return
-    mandir = d.getVar("mandir", True)
+    mandir = d.getVar("mandir")
-    infodir = d.getVar("infodir", True)
+    infodir = d.getVar("infodir")
-    compress_mode = d.getVar('DOC_COMPRESS', True)
+    compress_mode = d.getVar('DOC_COMPRESS')
-    for pkg in (d.getVar('PACKAGES', True) or "").split():
+    for pkg in (d.getVar('PACKAGES') or "").split():
-        old_names = (d.getVar('ALTERNATIVE_%s' % pkg, True) or "").split()
+        old_names = (d.getVar('ALTERNATIVE_%s' % pkg) or "").split()
        new_names = []
        for old_name in old_names:
            old_link     = d.getVarFlag('ALTERNATIVE_LINK_NAME', old_name, True)
            old_target   = d.getVarFlag('ALTERNATIVE_TARGET_%s' % pkg, old_name, True) or \
                d.getVarFlag('ALTERNATIVE_TARGET', old_name, True) or \
-                d.getVar('ALTERNATIVE_TARGET_%s' % pkg, True) or \
+                d.getVar('ALTERNATIVE_TARGET_%s' % pkg) or \
-                d.getVar('ALTERNATIVE_TARGET', True) or \
+                d.getVar('ALTERNATIVE_TARGET') or \
                old_link
            # Sometimes old_target is specified as relative to the link name.
            old_target   = os.path.join(os.path.dirname(old_link), old_target)
@@ -247,7 +247,7 @@ python compress_doc_updatealternatives () {
                elif d.getVarFlag('ALTERNATIVE_TARGET', old_name, True):
                    d.delVarFlag('ALTERNATIVE_TARGET', old_name)
                    d.setVarFlag('ALTERNATIVE_TARGET', new_name, new_target)
-                elif d.getVar('ALTERNATIVE_TARGET_%s' % pkg, True):
+                elif d.getVar('ALTERNATIVE_TARGET_%s' % pkg):
                    d.setVar('ALTERNATIVE_TARGET_%s' % pkg, new_target)
                elif d.getVar('ALTERNATIVE_TARGET', old_name, True):
                    d.setVar('ALTERNATIVE_TARGET', new_target)
diff --git a/meta/classes/copyleft_compliance.bbclass b/meta/classes/copyleft_compliance.bbclass
index 907c1836b3..eabf12ce7a 100644
--- a/meta/classes/copyleft_compliance.bbclass
+++ b/meta/classes/copyleft_compliance.bbclass
@@ -13,7 +13,7 @@ python do_prepare_copyleft_sources () {
    import os.path
    import shutil
-    p = d.getVar('P', True)
+    p = d.getVar('P')
    included, reason = copyleft_should_include(d)
    if not included:
        bb.debug(1, 'copyleft: %s is excluded: %s' % (p, reason))
@@ -21,13 +21,13 @@ python do_prepare_copyleft_sources () {
    else:
        bb.debug(1, 'copyleft: %s is included: %s' % (p, reason))
-    sources_dir = d.getVar('COPYLEFT_SOURCES_DIR', True)
+    sources_dir = d.getVar('COPYLEFT_SOURCES_DIR')
-    dl_dir = d.getVar('DL_DIR', True)
+    dl_dir = d.getVar('DL_DIR')
-    src_uri = d.getVar('SRC_URI', True).split()
+    src_uri = d.getVar('SRC_URI').split()
    fetch = bb.fetch2.Fetch(src_uri, d)
    ud = fetch.ud
-    pf = d.getVar('PF', True)
+    pf = d.getVar('PF')
    dest = os.path.join(sources_dir, pf)
    shutil.rmtree(dest, ignore_errors=True)
    bb.utils.mkdirhier(dest)
diff --git a/meta/classes/copyleft_filter.bbclass b/meta/classes/copyleft_filter.bbclass
index 46be7f7d2f..426956f08f 100644
--- a/meta/classes/copyleft_filter.bbclass
+++ b/meta/classes/copyleft_filter.bbclass
@@ -49,7 +49,7 @@ def copyleft_should_include(d):
    included, motive = False, 'recipe did not match anything'
-    recipe_type = d.getVar('COPYLEFT_RECIPE_TYPE', True)
+    recipe_type = d.getVar('COPYLEFT_RECIPE_TYPE')
    if recipe_type not in oe.data.typed_value('COPYLEFT_RECIPE_TYPES', d):
        include, motive = False, 'recipe type "%s" is excluded' % recipe_type
@@ -57,9 +57,9 @@ def copyleft_should_include(d):
    exclude = oe.data.typed_value('COPYLEFT_LICENSE_EXCLUDE', d)
    try:
-        is_included, reason = oe.license.is_included(d.getVar('LICENSE', True), include, exclude)
+        is_included, reason = oe.license.is_included(d.getVar('LICENSE'), include, exclude)
    except oe.license.LicenseError as exc:
-        bb.fatal('%s: %s' % (d.getVar('PF', True), exc))
+        bb.fatal('%s: %s' % (d.getVar('PF'), exc))
    else:
        if is_included:
            if reason:
@@ -69,10 +69,10 @@ def copyleft_should_include(d):
        else:
            included, motive = False, 'recipe has excluded licenses: %s' % ', '.join(reason)
-    if any(fnmatch(d.getVar('PN', True), name) \
+    if any(fnmatch(d.getVar('PN'), name) \
            for name in oe.data.typed_value('COPYLEFT_PN_INCLUDE', d)):
        included, motive =  True, 'recipe included by name'
-    if any(fnmatch(d.getVar('PN', True), name) \
+    if any(fnmatch(d.getVar('PN'), name) \
            for name in oe.data.typed_value('COPYLEFT_PN_EXCLUDE', d)):
        included, motive = False, 'recipe excluded by name'
diff --git a/meta/classes/cross-canadian.bbclass b/meta/classes/cross-canadian.bbclass
index 21921b3dd0..64db1134f5 100644
--- a/meta/classes/cross-canadian.bbclass
+++ b/meta/classes/cross-canadian.bbclass
@@ -20,25 +20,25 @@ CANADIANEXTRAOS = "${BASECANADIANEXTRAOS}"
 CANADIANEXTRAVENDOR = ""
 MODIFYTOS ??= "1"
 python () {
-    archs = d.getVar('PACKAGE_ARCHS', True).split()
+    archs = d.getVar('PACKAGE_ARCHS').split()
    sdkarchs = []
    for arch in archs:
        sdkarchs.append(arch + '-${SDKPKGSUFFIX}')
    d.setVar('PACKAGE_ARCHS', " ".join(sdkarchs))
    # Allow the following code segment to be disabled, e.g. meta-environment
-    if d.getVar("MODIFYTOS", True) != "1":
+    if d.getVar("MODIFYTOS") != "1":
        return
-    if d.getVar("TCLIBC", True) == "baremetal":
+    if d.getVar("TCLIBC") == "baremetal":
        return
-    tos = d.getVar("TARGET_OS", True)
+    tos = d.getVar("TARGET_OS")
    whitelist = []
    extralibcs = [""]
-    if "uclibc" in d.getVar("BASECANADIANEXTRAOS", True):
+    if "uclibc" in d.getVar("BASECANADIANEXTRAOS"):
        extralibcs.append("uclibc")
-    if "musl" in d.getVar("BASECANADIANEXTRAOS", True):
+    if "musl" in d.getVar("BASECANADIANEXTRAOS"):
        extralibcs.append("musl")
    for variant in ["", "spe", "x32", "eabi", "n32"]:
        for libc in extralibcs:
@@ -51,33 +51,33 @@ python () {
                entry = entry + "-" + libc
            whitelist.append(entry)
    if tos not in whitelist:
-        bb.fatal("Building cross-candian for an unknown TARGET_SYS (%s), please update cross-canadian.bbclass" % d.getVar("TARGET_SYS", True))
+        bb.fatal("Building cross-candian for an unknown TARGET_SYS (%s), please update cross-canadian.bbclass" % d.getVar("TARGET_SYS"))
    for n in ["PROVIDES", "DEPENDS"]:
-        d.setVar(n, d.getVar(n, True))
+        d.setVar(n, d.getVar(n))
-    d.setVar("STAGING_BINDIR_TOOLCHAIN", d.getVar("STAGING_BINDIR_TOOLCHAIN", True))
+    d.setVar("STAGING_BINDIR_TOOLCHAIN", d.getVar("STAGING_BINDIR_TOOLCHAIN"))
    for prefix in ["AR", "AS", "DLLTOOL", "CC", "CXX", "GCC", "LD", "LIPO", "NM", "OBJDUMP", "RANLIB", "STRIP", "WINDRES"]:
        n = prefix + "_FOR_TARGET"
-        d.setVar(n, d.getVar(n, True))
+        d.setVar(n, d.getVar(n))
    # This is a bit ugly. We need to zero LIBC/ABI extension which will change TARGET_OS
    # however we need the old value in some variables. We expand those here first.
-    tarch = d.getVar("TARGET_ARCH", True)
+    tarch = d.getVar("TARGET_ARCH")
    if tarch == "x86_64":
        d.setVar("LIBCEXTENSION", "")
        d.setVar("ABIEXTENSION", "")
        d.appendVar("CANADIANEXTRAOS", " linux-gnux32")
-        for extraos in d.getVar("BASECANADIANEXTRAOS", True).split():
+        for extraos in d.getVar("BASECANADIANEXTRAOS").split():
            d.appendVar("CANADIANEXTRAOS", " " + extraos + "x32")
    elif tarch == "powerpc":
        # PowerPC can build "linux" and "linux-gnuspe"
        d.setVar("LIBCEXTENSION", "")
        d.setVar("ABIEXTENSION", "")
        d.appendVar("CANADIANEXTRAOS", " linux-gnuspe")
-        for extraos in d.getVar("BASECANADIANEXTRAOS", True).split():
+        for extraos in d.getVar("BASECANADIANEXTRAOS").split():
            d.appendVar("CANADIANEXTRAOS", " " + extraos + "spe")
    elif tarch == "mips64":
        d.appendVar("CANADIANEXTRAOS", " linux-gnun32")
-        for extraos in d.getVar("BASECANADIANEXTRAOS", True).split():
+        for extraos in d.getVar("BASECANADIANEXTRAOS").split():
            d.appendVar("CANADIANEXTRAOS", " " + extraos + "n32")
    if tarch == "arm" or tarch == "armeb":
        d.appendVar("CANADIANEXTRAOS", " linux-gnueabi linux-musleabi linux-uclibceabi")
@@ -86,10 +86,10 @@ python () {
        d.setVar("TARGET_OS", "linux")
    # Also need to handle multilib target vendors
-    vendors = d.getVar("CANADIANEXTRAVENDOR", True)
+    vendors = d.getVar("CANADIANEXTRAVENDOR")
    if not vendors:
        vendors = all_multilib_tune_values(d, 'TARGET_VENDOR')
-    origvendor = d.getVar("TARGET_VENDOR_MULTILIB_ORIGINAL", True)
+    origvendor = d.getVar("TARGET_VENDOR_MULTILIB_ORIGINAL")
    if origvendor:
        d.setVar("TARGET_VENDOR", origvendor)
        if origvendor not in vendors.split():
@@ -116,7 +116,7 @@ HOST_LD_ARCH = "${SDK_LD_ARCH}"
 HOST_AS_ARCH = "${SDK_AS_ARCH}"
 #assign DPKG_ARCH
-DPKG_ARCH = "${@debian_arch_map(d.getVar('SDK_ARCH', True), '')}"
+DPKG_ARCH = "${@debian_arch_map(d.getVar('SDK_ARCH'), '')}"
 CPPFLAGS = "${BUILDSDK_CPPFLAGS}"
 CFLAGS = "${BUILDSDK_CFLAGS}"
diff --git a/meta/classes/crosssdk.bbclass b/meta/classes/crosssdk.bbclass
index 7315c38f13..eaf2beb94d 100644
--- a/meta/classes/crosssdk.bbclass
+++ b/meta/classes/crosssdk.bbclass
@@ -5,7 +5,7 @@ MACHINEOVERRIDES = ""
 PACKAGE_ARCH = "${SDK_ARCH}"
 python () {
        # set TUNE_PKGARCH to SDK_ARCH
-        d.setVar('TUNE_PKGARCH', d.getVar('SDK_ARCH', True))
+        d.setVar('TUNE_PKGARCH', d.getVar('SDK_ARCH'))
 }
 STAGING_DIR_TARGET = "${STAGING_DIR}/${SDK_ARCH}-${SDKPKGSUFFIX}${SDK_VENDOR}-${SDK_OS}"
diff --git a/meta/classes/cve-check.bbclass b/meta/classes/cve-check.bbclass
index 75b8fa9ab9..aad0573ee9 100644
--- a/meta/classes/cve-check.bbclass
+++ b/meta/classes/cve-check.bbclass
@@ -51,7 +51,7 @@ python do_cve_check () {
    Check recipe for patched and unpatched CVEs
    """
-    if os.path.exists(d.getVar("CVE_CHECK_TMP_FILE", True)):
+    if os.path.exists(d.getVar("CVE_CHECK_TMP_FILE")):
        patched_cves = get_patches_cves(d)
        patched, unpatched = check_cves(d, patched_cves)
        if patched or unpatched:
@@ -70,7 +70,7 @@ python cve_check_cleanup () {
    Delete the file used to gather all the CVE information.
    """
-    bb.utils.remove(e.data.getVar("CVE_CHECK_TMP_FILE", True))
+    bb.utils.remove(e.data.getVar("CVE_CHECK_TMP_FILE"))
 }
 addhandler cve_check_cleanup
@@ -83,12 +83,12 @@ python cve_check_write_rootfs_manifest () {
    import shutil
-    if os.path.exists(d.getVar("CVE_CHECK_TMP_FILE", True)):
+    if os.path.exists(d.getVar("CVE_CHECK_TMP_FILE")):
        bb.note("Writing rootfs CVE manifest")
-        deploy_dir = d.getVar("DEPLOY_DIR_IMAGE", True)
+        deploy_dir = d.getVar("DEPLOY_DIR_IMAGE")
-        link_name = d.getVar("IMAGE_LINK_NAME", True)
+        link_name = d.getVar("IMAGE_LINK_NAME")
-        manifest_name = d.getVar("CVE_CHECK_MANIFEST", True)
+        manifest_name = d.getVar("CVE_CHECK_MANIFEST")
-        cve_tmp_file = d.getVar("CVE_CHECK_TMP_FILE", True)
+        cve_tmp_file = d.getVar("CVE_CHECK_TMP_FILE")
        shutil.copyfile(cve_tmp_file, manifest_name)
@@ -101,7 +101,7 @@ python cve_check_write_rootfs_manifest () {
            bb.plain("Image CVE report stored in: %s" % manifest_name)
 }
-ROOTFS_POSTPROCESS_COMMAND_prepend = "${@'cve_check_write_rootfs_manifest; ' if d.getVar('CVE_CHECK_CREATE_MANIFEST', True) == '1' else ''}"
+ROOTFS_POSTPROCESS_COMMAND_prepend = "${@'cve_check_write_rootfs_manifest; ' if d.getVar('CVE_CHECK_CREATE_MANIFEST') == '1' else ''}"
 def get_patches_cves(d):
    """
@@ -110,7 +110,7 @@ def get_patches_cves(d):
    import re
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
    cve_match = re.compile("CVE:( CVE\-\d{4}\-\d+)+")
    patched_cves = set()
    bb.debug(2, "Looking for patches that solves CVEs for %s" % pn)
@@ -149,15 +149,15 @@ def check_cves(d, patched_cves):
    cves_patched = []
    cves_unpatched = []
    bpn = d.getVar("CVE_PRODUCT")
-    pv = d.getVar("PV", True).split("git+")[0]
+    pv = d.getVar("PV").split("git+")[0]
    cves = " ".join(patched_cves)
-    cve_db_dir = d.getVar("CVE_CHECK_DB_DIR", True)
+    cve_db_dir = d.getVar("CVE_CHECK_DB_DIR")
-    cve_whitelist = ast.literal_eval(d.getVar("CVE_CHECK_CVE_WHITELIST", True))
+    cve_whitelist = ast.literal_eval(d.getVar("CVE_CHECK_CVE_WHITELIST"))
    cve_cmd = "cve-check-tool"
    cmd = [cve_cmd, "--no-html", "--csv", "--not-affected", "-t", "faux", "-d", cve_db_dir]
    # If the recipe has been whitlisted we return empty lists
-    if d.getVar("PN", True) in d.getVar("CVE_CHECK_PN_WHITELIST", True).split():
+    if d.getVar("PN") in d.getVar("CVE_CHECK_PN_WHITELIST").split():
        bb.note("Recipe has been whitelisted, skipping check")
        return ([], [])
@@ -210,7 +210,7 @@ def get_cve_info(d, cves):
        from pysqlite2 import dbapi2 as sqlite3
    cve_data = {}
-    db_file = d.getVar("CVE_CHECK_DB_FILE", True)
+    db_file = d.getVar("CVE_CHECK_DB_FILE")
    placeholder = ",".join("?" * len(cves))
    query = "SELECT * FROM NVD WHERE id IN (%s)" % placeholder
    conn = sqlite3.connect(db_file)
@@ -231,15 +231,15 @@ def cve_write_data(d, patched, unpatched, cve_data):
    CVE manifest if enabled.
    """
-    cve_file = d.getVar("CVE_CHECK_LOCAL_FILE", True)
+    cve_file = d.getVar("CVE_CHECK_LOCAL_FILE")
    nvd_link = "https://web.nvd.nist.gov/view/vuln/detail?vulnId="
    write_string = ""
    first_alert = True
-    bb.utils.mkdirhier(d.getVar("CVE_CHECK_LOCAL_DIR", True))
+    bb.utils.mkdirhier(d.getVar("CVE_CHECK_LOCAL_DIR"))
    for cve in sorted(cve_data):
-        write_string += "PACKAGE NAME: %s\n" % d.getVar("PN", True)
+        write_string += "PACKAGE NAME: %s\n" % d.getVar("PN")
-        write_string += "PACKAGE VERSION: %s\n" % d.getVar("PV", True)
+        write_string += "PACKAGE VERSION: %s\n" % d.getVar("PV")
        write_string += "CVE: %s\n" % cve
        if cve in patched:
            write_string += "CVE STATUS: Patched\n"
@@ -257,13 +257,13 @@ def cve_write_data(d, patched, unpatched, cve_data):
        bb.note("Writing file %s with CVE information" % cve_file)
        f.write(write_string)
-    if d.getVar("CVE_CHECK_COPY_FILES", True) == "1":
+    if d.getVar("CVE_CHECK_COPY_FILES") == "1":
-        cve_dir = d.getVar("CVE_CHECK_DIR", True)
+        cve_dir = d.getVar("CVE_CHECK_DIR")
        bb.utils.mkdirhier(cve_dir)
-        deploy_file = os.path.join(cve_dir, d.getVar("PN", True))
+        deploy_file = os.path.join(cve_dir, d.getVar("PN"))
        with open(deploy_file, "w") as f:
            f.write(write_string)
-    if d.getVar("CVE_CHECK_CREATE_MANIFEST", True) == "1":
+    if d.getVar("CVE_CHECK_CREATE_MANIFEST") == "1":
-        with open(d.getVar("CVE_CHECK_TMP_FILE", True), "a") as f:
+        with open(d.getVar("CVE_CHECK_TMP_FILE"), "a") as f:
            f.write("%s" % write_string)
diff --git a/meta/classes/debian.bbclass b/meta/classes/debian.bbclass
index be7cacca98..8124558b81 100644
--- a/meta/classes/debian.bbclass
+++ b/meta/classes/debian.bbclass
@@ -20,17 +20,17 @@ do_package_write_tar[rdeptask] = "${DEBIANRDEP}"
 do_package_write_rpm[rdeptask] = "${DEBIANRDEP}"
 python () {
-    if not d.getVar("PACKAGES", True):
+    if not d.getVar("PACKAGES"):
        d.setVar("DEBIANRDEP", "")
 }
 python debian_package_name_hook () {
    import glob, copy, stat, errno, re
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
-    bin_re = re.compile(".*/s?" + os.path.basename(d.getVar("bindir", True)) + "$")
+    bin_re = re.compile(".*/s?" + os.path.basename(d.getVar("bindir")) + "$")
-    lib_re = re.compile(".*/" + os.path.basename(d.getVar("libdir", True)) + "$")
+    lib_re = re.compile(".*/" + os.path.basename(d.getVar("libdir")) + "$")
    so_re = re.compile("lib.*\.so")
    def socrunch(s):
@@ -53,11 +53,11 @@ python debian_package_name_hook () {
        return (s[stat.ST_MODE] & stat.S_IEXEC)
    def add_rprovides(pkg, d):
-        newpkg = d.getVar('PKG_' + pkg, True)
+        newpkg = d.getVar('PKG_' + pkg)
        if newpkg and newpkg != pkg:
-            provs = (d.getVar('RPROVIDES_' + pkg, True) or "").split()
+            provs = (d.getVar('RPROVIDES_' + pkg) or "").split()
            if pkg not in provs:
-                d.appendVar('RPROVIDES_' + pkg, " " + pkg + " (=" + d.getVar("PKGV", True) + ")")
+                d.appendVar('RPROVIDES_' + pkg, " " + pkg + " (=" + d.getVar("PKGV") + ")")
    def auto_libname(packages, orig_pkg):
        sonames = []
@@ -70,7 +70,7 @@ python debian_package_name_hook () {
            if lib_re.match(root):
                has_libs = 1
                if so_re.match(os.path.basename(file)):
-                    cmd = (d.getVar('TARGET_PREFIX', True) or "") + "objdump -p " + file + " 2>/dev/null"
+                    cmd = (d.getVar('TARGET_PREFIX') or "") + "objdump -p " + file + " 2>/dev/null"
                    fd = os.popen(cmd)
                    lines = fd.readlines()
                    fd.close()
@@ -84,7 +84,7 @@ python debian_package_name_hook () {
        if len(sonames) == 1:
            soname = sonames[0]
        elif len(sonames) > 1:
-            lead = d.getVar('LEAD_SONAME', True)
+            lead = d.getVar('LEAD_SONAME')
            if lead:
                r = re.compile(lead)
                filtered = []
@@ -115,7 +115,7 @@ python debian_package_name_hook () {
                        newpkg = pkgname
                    else:
                        newpkg = pkg.replace(orig_pkg, devname, 1)
-                    mlpre=d.getVar('MLPREFIX', True)
+                    mlpre=d.getVar('MLPREFIX')
                    if mlpre:
                        if not newpkg.find(mlpre) == 0:
                            newpkg = mlpre + newpkg
@@ -131,7 +131,7 @@ python debian_package_name_hook () {
    # and later
    # DEBUG: LIBNAMES: pkgname libtic5 devname libtic pkg ncurses-libticw orig_pkg ncurses-libtic debian_pn None newpkg libticw
    # so we need to handle ncurses-libticw->libticw5 before ncurses-libtic->libtic5
-    for pkg in sorted((d.getVar('AUTO_LIBNAME_PKGS', True) or "").split(), reverse=True):
+    for pkg in sorted((d.getVar('AUTO_LIBNAME_PKGS') or "").split(), reverse=True):
        auto_libname(packages, pkg)
 }
diff --git a/meta/classes/devshell.bbclass b/meta/classes/devshell.bbclass
index be71aff35f..864ace4cb4 100644
--- a/meta/classes/devshell.bbclass
+++ b/meta/classes/devshell.bbclass
@@ -5,14 +5,14 @@ DEVSHELL = "${SHELL}"
 python do_devshell () {
    if d.getVarFlag("do_devshell", "manualfakeroot", True):
       d.prependVar("DEVSHELL", "pseudo ")
-       fakeenv = d.getVar("FAKEROOTENV", True).split()
+       fakeenv = d.getVar("FAKEROOTENV").split()
       for f in fakeenv:
            k = f.split("=")
            d.setVar(k[0], k[1])           
            d.appendVar("OE_TERMINAL_EXPORTS", " " + k[0])
       d.delVarFlag("do_devshell", "fakeroot")
-    oe_terminal(d.getVar('DEVSHELL', True), 'OpenEmbedded Developer Shell', d)
+    oe_terminal(d.getVar('DEVSHELL'), 'OpenEmbedded Developer Shell', d)
 }
 addtask devshell after do_patch
@@ -82,7 +82,7 @@ def devpyshell(d):
        more = False
        i = code.InteractiveInterpreter(locals=_context)
-        print("OE PyShell (PN = %s)\n" % d.getVar("PN", True))
+        print("OE PyShell (PN = %s)\n" % d.getVar("PN"))
        def prompt(more):
            if more:
diff --git a/meta/classes/distro_features_check.bbclass b/meta/classes/distro_features_check.bbclass
index 7e91dbcf4a..e74d3c04ba 100644
--- a/meta/classes/distro_features_check.bbclass
+++ b/meta/classes/distro_features_check.bbclass
@@ -11,15 +11,15 @@
 python () {
    # Assume at least one var is set.
-    distro_features = (d.getVar('DISTRO_FEATURES', True) or "").split()
+    distro_features = (d.getVar('DISTRO_FEATURES') or "").split()
-    any_of_distro_features = d.getVar('ANY_OF_DISTRO_FEATURES', True)
+    any_of_distro_features = d.getVar('ANY_OF_DISTRO_FEATURES')
    if any_of_distro_features:
        any_of_distro_features = any_of_distro_features.split()
        if set.isdisjoint(set(any_of_distro_features),set(distro_features)):
            raise bb.parse.SkipPackage("one of '%s' needs to be in DISTRO_FEATURES" % any_of_distro_features)
-    required_distro_features = d.getVar('REQUIRED_DISTRO_FEATURES', True)
+    required_distro_features = d.getVar('REQUIRED_DISTRO_FEATURES')
    if required_distro_features:
        required_distro_features = required_distro_features.split()
        for f in required_distro_features:
@@ -28,7 +28,7 @@ python () {
            else:
                raise bb.parse.SkipPackage("missing required distro feature '%s' (not in DISTRO_FEATURES)" % f)
-    conflict_distro_features = d.getVar('CONFLICT_DISTRO_FEATURES', True)
+    conflict_distro_features = d.getVar('CONFLICT_DISTRO_FEATURES')
    if conflict_distro_features:
        conflict_distro_features = conflict_distro_features.split()
        for f in conflict_distro_features:
diff --git a/meta/classes/distrodata.bbclass b/meta/classes/distrodata.bbclass
index fbb7402e0c..5b3a3e0f1c 100644
--- a/meta/classes/distrodata.bbclass
+++ b/meta/classes/distrodata.bbclass
@@ -25,75 +25,75 @@ addtask distrodata_np
 do_distrodata_np[nostamp] = "1"
 python do_distrodata_np() {
        localdata = bb.data.createCopy(d)
-        pn = d.getVar("PN", True)
+        pn = d.getVar("PN")
        bb.note("Package Name: %s" % pn)
        import oe.distro_check as dist_check
-        tmpdir = d.getVar('TMPDIR', True)
+        tmpdir = d.getVar('TMPDIR')
        distro_check_dir = os.path.join(tmpdir, "distro_check")
-        datetime = localdata.getVar('DATETIME', True)
+        datetime = localdata.getVar('DATETIME')
        dist_check.update_distro_data(distro_check_dir, datetime, localdata)
        if pn.find("-native") != -1:
            pnstripped = pn.split("-native")
            bb.note("Native Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pn.find("-cross") != -1:
            pnstripped = pn.split("-cross")
            bb.note("cross Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pn.find("-crosssdk") != -1:
            pnstripped = pn.split("-crosssdk")
            bb.note("cross Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pn.startswith("nativesdk-"):
            pnstripped = pn.replace("nativesdk-", "")
            bb.note("NativeSDK Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pn.find("-initial") != -1:
            pnstripped = pn.split("-initial")
            bb.note("initial Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        """generate package information from .bb file"""
-        pname = localdata.getVar('PN', True)
+        pname = localdata.getVar('PN')
-        pcurver = localdata.getVar('PV', True)
+        pcurver = localdata.getVar('PV')
-        pdesc = localdata.getVar('DESCRIPTION', True)
+        pdesc = localdata.getVar('DESCRIPTION')
        if pdesc is not None:
                pdesc = pdesc.replace(',','')
                pdesc = pdesc.replace('\n','')
-        pgrp = localdata.getVar('SECTION', True)
+        pgrp = localdata.getVar('SECTION')
-        plicense = localdata.getVar('LICENSE', True).replace(',','_')
+        plicense = localdata.getVar('LICENSE').replace(',','_')
-        rstatus = localdata.getVar('RECIPE_COLOR', True)
+        rstatus = localdata.getVar('RECIPE_COLOR')
        if rstatus is not None:
                rstatus = rstatus.replace(',','')
-        pupver = localdata.getVar('RECIPE_UPSTREAM_VERSION', True)
+        pupver = localdata.getVar('RECIPE_UPSTREAM_VERSION')
        if pcurver == pupver:
                vermatch="1"
        else:
                vermatch="0"
-        noupdate_reason = localdata.getVar('RECIPE_NO_UPDATE_REASON', True)
+        noupdate_reason = localdata.getVar('RECIPE_NO_UPDATE_REASON')
        if noupdate_reason is None:
                noupdate="0"
        else:
                noupdate="1"
                noupdate_reason = noupdate_reason.replace(',','')
-        maintainer = localdata.getVar('RECIPE_MAINTAINER', True)
+        maintainer = localdata.getVar('RECIPE_MAINTAINER')
-        rlrd = localdata.getVar('RECIPE_UPSTREAM_DATE', True)
+        rlrd = localdata.getVar('RECIPE_UPSTREAM_DATE')
        result = dist_check.compare_in_distro_packages_list(distro_check_dir, localdata)
        bb.note("DISTRO: %s,%s,%s,%s,%s,%s,%s,%s,%s\n" % \
@@ -109,80 +109,80 @@ addtask distrodata
 do_distrodata[nostamp] = "1"
 python do_distrodata() {
        import csv
-        logpath = d.getVar('LOG_DIR', True)
+        logpath = d.getVar('LOG_DIR')
        bb.utils.mkdirhier(logpath)
        logfile = os.path.join(logpath, "distrodata.csv")
        import oe.distro_check as dist_check
        localdata = bb.data.createCopy(d)
-        tmpdir = d.getVar('TMPDIR', True)
+        tmpdir = d.getVar('TMPDIR')
        distro_check_dir = os.path.join(tmpdir, "distro_check")
-        datetime = localdata.getVar('DATETIME', True)
+        datetime = localdata.getVar('DATETIME')
        dist_check.update_distro_data(distro_check_dir, datetime, localdata)
-        pn = d.getVar("PN", True)
+        pn = d.getVar("PN")
        bb.note("Package Name: %s" % pn)
        if pn.find("-native") != -1:
            pnstripped = pn.split("-native")
            bb.note("Native Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pn.startswith("nativesdk-"):
            pnstripped = pn.replace("nativesdk-", "")
            bb.note("NativeSDK Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pn.find("-cross") != -1:
            pnstripped = pn.split("-cross")
            bb.note("cross Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pn.find("-crosssdk") != -1:
            pnstripped = pn.split("-crosssdk")
            bb.note("cross Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pn.find("-initial") != -1:
            pnstripped = pn.split("-initial")
            bb.note("initial Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        """generate package information from .bb file"""
-        pname = localdata.getVar('PN', True)
+        pname = localdata.getVar('PN')
-        pcurver = localdata.getVar('PV', True)
+        pcurver = localdata.getVar('PV')
-        pdesc = localdata.getVar('DESCRIPTION', True)
+        pdesc = localdata.getVar('DESCRIPTION')
        if pdesc is not None:
                pdesc = pdesc.replace(',','')
                pdesc = pdesc.replace('\n','')
-        pgrp = localdata.getVar('SECTION', True)
+        pgrp = localdata.getVar('SECTION')
-        plicense = localdata.getVar('LICENSE', True).replace(',','_')
+        plicense = localdata.getVar('LICENSE').replace(',','_')
-        rstatus = localdata.getVar('RECIPE_COLOR', True)
+        rstatus = localdata.getVar('RECIPE_COLOR')
        if rstatus is not None:
                rstatus = rstatus.replace(',','')
-        pupver = localdata.getVar('RECIPE_UPSTREAM_VERSION', True)
+        pupver = localdata.getVar('RECIPE_UPSTREAM_VERSION')
        if pcurver == pupver:
                vermatch="1"
        else:
                vermatch="0"
-        noupdate_reason = localdata.getVar('RECIPE_NO_UPDATE_REASON', True)
+        noupdate_reason = localdata.getVar('RECIPE_NO_UPDATE_REASON')
        if noupdate_reason is None:
                noupdate="0"
        else:
                noupdate="1"
                noupdate_reason = noupdate_reason.replace(',','')
-        maintainer = localdata.getVar('RECIPE_MAINTAINER', True)
+        maintainer = localdata.getVar('RECIPE_MAINTAINER')
-        rlrd = localdata.getVar('RECIPE_UPSTREAM_DATE', True)
+        rlrd = localdata.getVar('RECIPE_UPSTREAM_DATE')
        # do the comparison
        result = dist_check.compare_in_distro_packages_list(distro_check_dir, localdata)
@@ -272,60 +272,60 @@ python do_checkpkg() {
        from bb.fetch2 import FetchError, NoMethodError, decodeurl
        """first check whether a uri is provided"""
-        src_uri = (d.getVar('SRC_URI', True) or '').split()
+        src_uri = (d.getVar('SRC_URI') or '').split()
        if src_uri:
            uri_type, _, _, _, _, _ = decodeurl(src_uri[0])
        else:
            uri_type = "none"
        """initialize log files."""
-        logpath = d.getVar('LOG_DIR', True)
+        logpath = d.getVar('LOG_DIR')
        bb.utils.mkdirhier(logpath)
        logfile = os.path.join(logpath, "checkpkg.csv")
        """generate package information from .bb file"""
-        pname = d.getVar('PN', True)
+        pname = d.getVar('PN')
        if pname.find("-native") != -1:
-            if d.getVar('BBCLASSEXTEND', True):
+            if d.getVar('BBCLASSEXTEND'):
                    return
            pnstripped = pname.split("-native")
            bb.note("Native Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pname.startswith("nativesdk-"):
-            if d.getVar('BBCLASSEXTEND', True):
+            if d.getVar('BBCLASSEXTEND'):
                    return
            pnstripped = pname.replace("nativesdk-", "")
            bb.note("NativeSDK Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pname.find("-cross") != -1:
            pnstripped = pname.split("-cross")
            bb.note("cross Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
        if pname.find("-initial") != -1:
            pnstripped = pname.split("-initial")
            bb.note("initial Split: %s" % pnstripped)
-            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES', True))
+            localdata.setVar('OVERRIDES', "pn-" + pnstripped[0] + ":" + d.getVar('OVERRIDES'))
            bb.data.update_data(localdata)
-        pdesc = localdata.getVar('DESCRIPTION', True)
+        pdesc = localdata.getVar('DESCRIPTION')
-        pgrp = localdata.getVar('SECTION', True)
+        pgrp = localdata.getVar('SECTION')
-        pversion = localdata.getVar('PV', True)
+        pversion = localdata.getVar('PV')
-        plicense = localdata.getVar('LICENSE', True)
+        plicense = localdata.getVar('LICENSE')
-        psection = localdata.getVar('SECTION', True)
+        psection = localdata.getVar('SECTION')
-        phome = localdata.getVar('HOMEPAGE', True)
+        phome = localdata.getVar('HOMEPAGE')
-        prelease = localdata.getVar('PR', True)
+        prelease = localdata.getVar('PR')
-        pdepends = localdata.getVar('DEPENDS', True)
+        pdepends = localdata.getVar('DEPENDS')
-        pbugtracker = localdata.getVar('BUGTRACKER', True)
+        pbugtracker = localdata.getVar('BUGTRACKER')
-        ppe = localdata.getVar('PE', True)
+        ppe = localdata.getVar('PE')
-        psrcuri = localdata.getVar('SRC_URI', True)
+        psrcuri = localdata.getVar('SRC_URI')
-        maintainer = localdata.getVar('RECIPE_MAINTAINER', True)
+        maintainer = localdata.getVar('RECIPE_MAINTAINER')
        """ Get upstream version version """
        pupver = ""
@@ -362,7 +362,7 @@ python do_checkpkg() {
            psrcuri = "none"
        pdepends = "".join(pdepends.split("\t"))
        pdesc = "".join(pdesc.split("\t"))
-        no_upgr_reason = d.getVar('RECIPE_NO_UPDATE_REASON', True)
+        no_upgr_reason = d.getVar('RECIPE_NO_UPDATE_REASON')
        lf = bb.utils.lockfile("%s.lock" % logfile)
        with open(logfile, "a") as f:
            writer = csv.writer(f, delimiter='\t')
@@ -401,12 +401,12 @@ python do_distro_check() {
    localdata = bb.data.createCopy(d)
    bb.data.update_data(localdata)
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    distro_check_dir = os.path.join(tmpdir, "distro_check")
-    logpath = d.getVar('LOG_DIR', True)
+    logpath = d.getVar('LOG_DIR')
    bb.utils.mkdirhier(logpath)
    result_file = os.path.join(logpath, "distrocheck.csv")
-    datetime = localdata.getVar('DATETIME', True)
+    datetime = localdata.getVar('DATETIME')
    dc.update_distro_data(distro_check_dir, datetime, localdata)
    # do the comparison
@@ -449,12 +449,12 @@ do_checklicense[nostamp] = "1"
 python do_checklicense() {
    import csv
    import shutil
-    logpath = d.getVar('LOG_DIR', True)
+    logpath = d.getVar('LOG_DIR')
    bb.utils.mkdirhier(logpath)
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    logfile = os.path.join(logpath, "missinglicense.csv")
-    generic_directory = d.getVar('COMMON_LICENSE_DIR', True)
+    generic_directory = d.getVar('COMMON_LICENSE_DIR')
-    license_types = d.getVar('LICENSE', True)
+    license_types = d.getVar('LICENSE')
    for license_type in ((license_types.replace('+', '').replace('|', '&')
                          .replace('(', '').replace(')', '').replace(';', '')
                          .replace(',', '').replace(" ", "").split("&"))):
diff --git a/meta/classes/distutils-base.bbclass b/meta/classes/distutils-base.bbclass
index aa18e8b292..9f398d7051 100644
--- a/meta/classes/distutils-base.bbclass
+++ b/meta/classes/distutils-base.bbclass
@@ -1,4 +1,4 @@
-DEPENDS  += "${@["${PYTHON_PN}-native ${PYTHON_PN}", ""][(d.getVar('PACKAGES', True) == '')]}"
+DEPENDS  += "${@["${PYTHON_PN}-native ${PYTHON_PN}", ""][(d.getVar('PACKAGES') == '')]}"
 RDEPENDS_${PN} += "${@['', '${PYTHON_PN}-core']['${CLASSOVERRIDE}' == 'class-target']}"
 inherit distutils-common-base pythonnative
diff --git a/meta/classes/distutils3-base.bbclass b/meta/classes/distutils3-base.bbclass
index 82ab6a3d1c..7dbf07ac4b 100644
--- a/meta/classes/distutils3-base.bbclass
+++ b/meta/classes/distutils3-base.bbclass
@@ -1,4 +1,4 @@
-DEPENDS  += "${@["${PYTHON_PN}-native ${PYTHON_PN}", ""][(d.getVar('PACKAGES', True) == '')]}"
+DEPENDS  += "${@["${PYTHON_PN}-native ${PYTHON_PN}", ""][(d.getVar('PACKAGES') == '')]}"
 RDEPENDS_${PN} += "${@['', '${PYTHON_PN}-core']['${CLASSOVERRIDE}' == 'class-target']}"
 inherit distutils-common-base python3native
diff --git a/meta/classes/externalsrc.bbclass b/meta/classes/externalsrc.bbclass
index 31908c3ca2..5ba6c3472b 100644
--- a/meta/classes/externalsrc.bbclass
+++ b/meta/classes/externalsrc.bbclass
@@ -28,34 +28,34 @@ SRCTREECOVEREDTASKS ?= "do_patch do_unpack do_fetch"
 EXTERNALSRC_SYMLINKS ?= "oe-workdir:${WORKDIR} oe-logs:${T}"
 python () {
-    externalsrc = d.getVar('EXTERNALSRC', True)
+    externalsrc = d.getVar('EXTERNALSRC')
    # If this is the base recipe and EXTERNALSRC is set for it or any of its
    # derivatives, then enable BB_DONT_CACHE to force the recipe to always be
    # re-parsed so that the file-checksums function for do_compile is run every
    # time.
-    bpn = d.getVar('BPN', True)
+    bpn = d.getVar('BPN')
-    if bpn == d.getVar('PN', True):
+    if bpn == d.getVar('PN'):
-        classextend = (d.getVar('BBCLASSEXTEND', True) or '').split()
+        classextend = (d.getVar('BBCLASSEXTEND') or '').split()
        if (externalsrc or
                ('native' in classextend and
-                 d.getVar('EXTERNALSRC_pn-%s-native' % bpn, True)) or
+                 d.getVar('EXTERNALSRC_pn-%s-native' % bpn)) or
                ('nativesdk' in classextend and
-                 d.getVar('EXTERNALSRC_pn-nativesdk-%s' % bpn, True)) or
+                 d.getVar('EXTERNALSRC_pn-nativesdk-%s' % bpn)) or
                ('cross' in classextend and
-                 d.getVar('EXTERNALSRC_pn-%s-cross' % bpn, True))):
+                 d.getVar('EXTERNALSRC_pn-%s-cross' % bpn))):
            d.setVar('BB_DONT_CACHE', '1')
    if externalsrc:
        d.setVar('S', externalsrc)
-        externalsrcbuild = d.getVar('EXTERNALSRC_BUILD', True)
+        externalsrcbuild = d.getVar('EXTERNALSRC_BUILD')
        if externalsrcbuild:
            d.setVar('B', externalsrcbuild)
        else:
            d.setVar('B', '${WORKDIR}/${BPN}-${PV}/')
        local_srcuri = []
-        fetch = bb.fetch2.Fetch((d.getVar('SRC_URI', True) or '').split(), d)
+        fetch = bb.fetch2.Fetch((d.getVar('SRC_URI') or '').split(), d)
        for url in fetch.urls:
            url_data = fetch.ud[url]
            parm = url_data.parm
@@ -94,7 +94,7 @@ python () {
        # Note that we cannot use d.appendVarFlag() here because deps is expected to be a list object, not a string
        d.setVarFlag('do_configure', 'deps', (d.getVarFlag('do_configure', 'deps', False) or []) + ['do_unpack'])
-        for task in d.getVar("SRCTREECOVEREDTASKS", True).split():
+        for task in d.getVar("SRCTREECOVEREDTASKS").split():
            if local_srcuri and task in fetch_tasks:
                continue
            bb.build.deltask(task, d)
@@ -106,13 +106,13 @@ python () {
        d.setVarFlag('do_configure', 'file-checksums', '${@srctree_configure_hash_files(d)}')
        # We don't want the workdir to go away
-        d.appendVar('RM_WORK_EXCLUDE', ' ' + d.getVar('PN', True))
+        d.appendVar('RM_WORK_EXCLUDE', ' ' + d.getVar('PN'))
        # If B=S the same builddir is used even for different architectures.
        # Thus, use a shared CONFIGURESTAMPFILE and STAMP directory so that
        # change of do_configure task hash is correctly detected and stamps are
        # invalidated if e.g. MACHINE changes.
-        if d.getVar('S', True) == d.getVar('B', True):
+        if d.getVar('S') == d.getVar('B'):
            configstamp = '${TMPDIR}/work-shared/${PN}/${EXTENDPE}${PV}-${PR}/configure.sstate'
            d.setVar('CONFIGURESTAMPFILE', configstamp)
            d.setVar('STAMP', '${STAMPS_DIR}/work-shared/${PN}/${EXTENDPE}${PV}-${PR}')
@@ -120,10 +120,10 @@ python () {
 python externalsrc_configure_prefunc() {
    # Create desired symlinks
-    symlinks = (d.getVar('EXTERNALSRC_SYMLINKS', True) or '').split()
+    symlinks = (d.getVar('EXTERNALSRC_SYMLINKS') or '').split()
    for symlink in symlinks:
        symsplit = symlink.split(':', 1)
-        lnkfile = os.path.join(d.getVar('S', True), symsplit[0])
+        lnkfile = os.path.join(d.getVar('S'), symsplit[0])
        target = d.expand(symsplit[1])
        if len(symsplit) > 1:
            if os.path.islink(lnkfile):
@@ -139,7 +139,7 @@ python externalsrc_configure_prefunc() {
 python externalsrc_compile_prefunc() {
    # Make it obvious that this is happening, since forgetting about it could lead to much confusion
-    bb.plain('NOTE: %s: compiling from external source tree %s' % (d.getVar('PN', True), d.getVar('EXTERNALSRC', True)))
+    bb.plain('NOTE: %s: compiling from external source tree %s' % (d.getVar('PN'), d.getVar('EXTERNALSRC')))
 }
 def srctree_hash_files(d):
@@ -147,7 +147,7 @@ def srctree_hash_files(d):
    import subprocess
    import tempfile
-    s_dir = d.getVar('EXTERNALSRC', True)
+    s_dir = d.getVar('EXTERNALSRC')
    git_dir = os.path.join(s_dir, '.git')
    oe_hash_file = os.path.join(git_dir, 'oe-devtool-tree-sha1')
@@ -165,7 +165,7 @@ def srctree_hash_files(d):
            fobj.write(sha1)
        ret = oe_hash_file + ':True'
    else:
-        ret = d.getVar('EXTERNALSRC', True) + '/*:True'
+        ret = d.getVar('EXTERNALSRC') + '/*:True'
    return ret
 def srctree_configure_hash_files(d):
@@ -173,7 +173,7 @@ def srctree_configure_hash_files(d):
    Get the list of files that should trigger do_configure to re-execute,
    based on the value of CONFIGURE_FILES
    """
-    in_files = (d.getVar('CONFIGURE_FILES', True) or '').split()
+    in_files = (d.getVar('CONFIGURE_FILES') or '').split()
    out_items = []
    search_files = []
    for entry in in_files:
@@ -182,7 +182,7 @@ def srctree_configure_hash_files(d):
        else:
            search_files.append(entry)
    if search_files:
-        s_dir = d.getVar('EXTERNALSRC', True)
+        s_dir = d.getVar('EXTERNALSRC')
        for root, _, files in os.walk(s_dir):
            for f in files:
                if f in search_files:
diff --git a/meta/classes/extrausers.bbclass b/meta/classes/extrausers.bbclass
index 852810e866..402fc7d808 100644
--- a/meta/classes/extrausers.bbclass
+++ b/meta/classes/extrausers.bbclass
@@ -15,7 +15,7 @@
 inherit useradd_base
-PACKAGE_INSTALL_append = " ${@['', 'base-passwd shadow'][bool(d.getVar('EXTRA_USERS_PARAMS', True))]}"
+PACKAGE_INSTALL_append = " ${@['', 'base-passwd shadow'][bool(d.getVar('EXTRA_USERS_PARAMS'))]}"
 # Image level user / group settings
 ROOTFS_POSTPROCESS_COMMAND_append = " set_user_group;"
diff --git a/meta/classes/fontcache.bbclass b/meta/classes/fontcache.bbclass
index 8ebdfc4f5c..d047a79aa6 100644
--- a/meta/classes/fontcache.bbclass
+++ b/meta/classes/fontcache.bbclass
@@ -30,26 +30,26 @@ fi
 }
 python () {
-    font_pkgs = d.getVar('FONT_PACKAGES', True).split()
+    font_pkgs = d.getVar('FONT_PACKAGES').split()
-    deps = d.getVar("FONT_EXTRA_RDEPENDS", True)
+    deps = d.getVar("FONT_EXTRA_RDEPENDS")
    for pkg in font_pkgs:
        if deps: d.appendVar('RDEPENDS_' + pkg, ' '+deps)
 }
 python add_fontcache_postinsts() {
-    for pkg in d.getVar('FONT_PACKAGES', True).split():
+    for pkg in d.getVar('FONT_PACKAGES').split():
        bb.note("adding fonts postinst and postrm scripts to %s" % pkg)
-        postinst = d.getVar('pkg_postinst_%s' % pkg, True) or d.getVar('pkg_postinst', True)
+        postinst = d.getVar('pkg_postinst_%s' % pkg) or d.getVar('pkg_postinst')
        if not postinst:
            postinst = '#!/bin/sh\n'
-        postinst += d.getVar('fontcache_common', True)
+        postinst += d.getVar('fontcache_common')
        d.setVar('pkg_postinst_%s' % pkg, postinst)
-        postrm = d.getVar('pkg_postrm_%s' % pkg, True) or d.getVar('pkg_postrm', True)
+        postrm = d.getVar('pkg_postrm_%s' % pkg) or d.getVar('pkg_postrm')
        if not postrm:
            postrm = '#!/bin/sh\n'
-        postrm += d.getVar('fontcache_common', True)
+        postrm += d.getVar('fontcache_common')
        d.setVar('pkg_postrm_%s' % pkg, postrm)
 }
diff --git a/meta/classes/fs-uuid.bbclass b/meta/classes/fs-uuid.bbclass
index bd2613cf10..313c5a3597 100644
--- a/meta/classes/fs-uuid.bbclass
+++ b/meta/classes/fs-uuid.bbclass
@@ -3,7 +3,7 @@
 # on ext file systems and depends on tune2fs.
 def get_rootfs_uuid(d):
    import subprocess
-    rootfs = d.getVar('ROOTFS', True)
+    rootfs = d.getVar('ROOTFS')
    output = subprocess.check_output(['tune2fs', '-l', rootfs])
    for line in output.split('\n'):
        if line.startswith('Filesystem UUID:'):
diff --git a/meta/classes/gconf.bbclass b/meta/classes/gconf.bbclass
index d7afa7282f..d07beadc95 100644
--- a/meta/classes/gconf.bbclass
+++ b/meta/classes/gconf.bbclass
@@ -42,8 +42,8 @@ done
 python populate_packages_append () {
    import re
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
-    pkgdest =  d.getVar('PKGDEST', True)
+    pkgdest =  d.getVar('PKGDEST')
    
    for pkg in packages:
        schema_dir = '%s/%s/etc/gconf/schemas' % (pkgdest, pkg)
@@ -56,15 +56,15 @@ python populate_packages_append () {
        if schemas != []:
            bb.note("adding gconf postinst and prerm scripts to %s" % pkg)
            d.setVar('SCHEMA_FILES', " ".join(schemas))
-            postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+            postinst = d.getVar('pkg_postinst_%s' % pkg)
            if not postinst:
                postinst = '#!/bin/sh\n'
-            postinst += d.getVar('gconf_postinst', True)
+            postinst += d.getVar('gconf_postinst')
            d.setVar('pkg_postinst_%s' % pkg, postinst)
-            prerm = d.getVar('pkg_prerm_%s' % pkg, True)
+            prerm = d.getVar('pkg_prerm_%s' % pkg)
            if not prerm:
                prerm = '#!/bin/sh\n'
-            prerm += d.getVar('gconf_prerm', True)
+            prerm += d.getVar('gconf_prerm')
            d.setVar('pkg_prerm_%s' % pkg, prerm)
            d.appendVar("RDEPENDS_%s" % pkg, ' ' + d.getVar('MLPREFIX', False) + 'gconf')
 }
diff --git a/meta/classes/gettext.bbclass b/meta/classes/gettext.bbclass
index 03b89b2455..0be14246bf 100644
--- a/meta/classes/gettext.bbclass
+++ b/meta/classes/gettext.bbclass
@@ -1,15 +1,15 @@
 def gettext_dependencies(d):
-    if d.getVar('INHIBIT_DEFAULT_DEPS', True) and not oe.utils.inherits(d, 'cross-canadian'):
+    if d.getVar('INHIBIT_DEFAULT_DEPS') and not oe.utils.inherits(d, 'cross-canadian'):
        return ""
-    if d.getVar('USE_NLS', True) == 'no':
+    if d.getVar('USE_NLS') == 'no':
        return "gettext-minimal-native"
    return d.getVar('DEPENDS_GETTEXT', False)
 def gettext_oeconf(d):
-    if d.getVar('USE_NLS', True) == 'no':
+    if d.getVar('USE_NLS') == 'no':
        return '--disable-nls'
    # Remove the NLS bits if USE_NLS is no or INHIBIT_DEFAULT_DEPS is set
-    if d.getVar('INHIBIT_DEFAULT_DEPS', True) and not oe.utils.inherits(d, 'cross-canadian'):
+    if d.getVar('INHIBIT_DEFAULT_DEPS') and not oe.utils.inherits(d, 'cross-canadian'):
        return '--disable-nls'
    return "--enable-nls"
diff --git a/meta/classes/gio-module-cache.bbclass b/meta/classes/gio-module-cache.bbclass
index 91461b11e7..39b7bef720 100644
--- a/meta/classes/gio-module-cache.bbclass
+++ b/meta/classes/gio-module-cache.bbclass
@@ -17,21 +17,21 @@ fi
 }
 python populate_packages_append () {
-    packages = d.getVar('GIO_MODULE_PACKAGES', True).split()
+    packages = d.getVar('GIO_MODULE_PACKAGES').split()
    for pkg in packages:
        bb.note("adding gio-module-cache postinst and postrm scripts to %s" % pkg)
-        postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+        postinst = d.getVar('pkg_postinst_%s' % pkg)
        if not postinst:
            postinst = '#!/bin/sh\n'
-        postinst += d.getVar('gio_module_cache_common', True)
+        postinst += d.getVar('gio_module_cache_common')
        d.setVar('pkg_postinst_%s' % pkg, postinst)
-        postrm = d.getVar('pkg_postrm_%s' % pkg, True)
+        postrm = d.getVar('pkg_postrm_%s' % pkg)
        if not postrm:
            postrm = '#!/bin/sh\n'
-        postrm += d.getVar('gio_module_cache_common', True)
+        postrm += d.getVar('gio_module_cache_common')
        d.setVar('pkg_postrm_%s' % pkg, postrm)
 }
diff --git a/meta/classes/grub-efi.bbclass b/meta/classes/grub-efi.bbclass
index 17417ba5d9..3dc9146d90 100644
--- a/meta/classes/grub-efi.bbclass
+++ b/meta/classes/grub-efi.bbclass
@@ -72,14 +72,14 @@ efi_hddimg_populate() {
 python build_efi_cfg() {
    import sys
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
    if not workdir:
        bb.error("WORKDIR not defined, unable to package")
        return
-    gfxserial = d.getVar('GRUB_GFXSERIAL', True) or ""
+    gfxserial = d.getVar('GRUB_GFXSERIAL') or ""
-    labels = d.getVar('LABELS', True)
+    labels = d.getVar('LABELS')
    if not labels:
        bb.debug(1, "LABELS not defined, nothing to do")
        return
@@ -88,7 +88,7 @@ python build_efi_cfg() {
        bb.debug(1, "No labels, nothing to do")
        return
-    cfile = d.getVar('GRUB_CFG', True)
+    cfile = d.getVar('GRUB_CFG')
    if not cfile:
        bb.fatal('Unable to read GRUB_CFG')
@@ -99,33 +99,33 @@ python build_efi_cfg() {
    cfgfile.write('# Automatically created by OE\n')
-    opts = d.getVar('GRUB_OPTS', True)
+    opts = d.getVar('GRUB_OPTS')
    if opts:
        for opt in opts.split(';'):
            cfgfile.write('%s\n' % opt)
    cfgfile.write('default=%s\n' % (labels.split()[0]))
-    timeout = d.getVar('GRUB_TIMEOUT', True)
+    timeout = d.getVar('GRUB_TIMEOUT')
    if timeout:
        cfgfile.write('timeout=%s\n' % timeout)
    else:
        cfgfile.write('timeout=50\n')
-    root = d.getVar('GRUB_ROOT', True)
+    root = d.getVar('GRUB_ROOT')
    if not root:
        bb.fatal('GRUB_ROOT not defined')
    if gfxserial == "1":
        btypes = [ [ " graphics console", "" ],
-            [ " serial console", d.getVar('GRUB_SERIAL', True) or "" ] ]
+            [ " serial console", d.getVar('GRUB_SERIAL') or "" ] ]
    else:
        btypes = [ [ "", "" ] ]
    for label in labels.split():
        localdata = d.createCopy()
-        overrides = localdata.getVar('OVERRIDES', True)
+        overrides = localdata.getVar('OVERRIDES')
        if not overrides:
            bb.fatal('OVERRIDES not defined')
@@ -141,8 +141,8 @@ python build_efi_cfg() {
            cfgfile.write(' %s' % replace_rootfs_uuid(d, root))
-            append = localdata.getVar('APPEND', True)
+            append = localdata.getVar('APPEND')
-            initrd = localdata.getVar('INITRD', True)
+            initrd = localdata.getVar('INITRD')
            if append:
                append = replace_rootfs_uuid(d, append)
diff --git a/meta/classes/gsettings.bbclass b/meta/classes/gsettings.bbclass
index dec5abc026..e6d1c8a893 100644
--- a/meta/classes/gsettings.bbclass
+++ b/meta/classes/gsettings.bbclass
@@ -18,20 +18,20 @@ gsettings_postinstrm () {
 }
 python populate_packages_append () {
-    pkg = d.getVar('PN', True)
+    pkg = d.getVar('PN')
    bb.note("adding gsettings postinst scripts to %s" % pkg)
-    postinst = d.getVar('pkg_postinst_%s' % pkg, True) or d.getVar('pkg_postinst', True)
+    postinst = d.getVar('pkg_postinst_%s' % pkg) or d.getVar('pkg_postinst')
    if not postinst:
        postinst = '#!/bin/sh\n'
-    postinst += d.getVar('gsettings_postinstrm', True)
+    postinst += d.getVar('gsettings_postinstrm')
    d.setVar('pkg_postinst_%s' % pkg, postinst)
    bb.note("adding gsettings postrm scripts to %s" % pkg)
-    postrm = d.getVar('pkg_postrm_%s' % pkg, True) or d.getVar('pkg_postrm', True)
+    postrm = d.getVar('pkg_postrm_%s' % pkg) or d.getVar('pkg_postrm')
    if not postrm:
        postrm = '#!/bin/sh\n'
-    postrm += d.getVar('gsettings_postinstrm', True)
+    postrm += d.getVar('gsettings_postinstrm')
    d.setVar('pkg_postrm_%s' % pkg, postrm)
 }
diff --git a/meta/classes/gtk-icon-cache.bbclass b/meta/classes/gtk-icon-cache.bbclass
index 0f1052b08c..c5d8d7cfed 100644
--- a/meta/classes/gtk-icon-cache.bbclass
+++ b/meta/classes/gtk-icon-cache.bbclass
@@ -35,11 +35,11 @@ fi
 }
 python populate_packages_append () {
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
-    pkgdest =  d.getVar('PKGDEST', True)
+    pkgdest =  d.getVar('PKGDEST')
    
    for pkg in packages:
-        icon_dir = '%s/%s/%s/icons' % (pkgdest, pkg, d.getVar('datadir', True))
+        icon_dir = '%s/%s/%s/icons' % (pkgdest, pkg, d.getVar('datadir'))
        if not os.path.exists(icon_dir):
            continue
@@ -49,16 +49,16 @@ python populate_packages_append () {
    
        bb.note("adding gtk-icon-cache postinst and postrm scripts to %s" % pkg)
        
-        postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+        postinst = d.getVar('pkg_postinst_%s' % pkg)
        if not postinst:
            postinst = '#!/bin/sh\n'
-        postinst += d.getVar('gtk_icon_cache_postinst', True)
+        postinst += d.getVar('gtk_icon_cache_postinst')
        d.setVar('pkg_postinst_%s' % pkg, postinst)
-        postrm = d.getVar('pkg_postrm_%s' % pkg, True)
+        postrm = d.getVar('pkg_postrm_%s' % pkg)
        if not postrm:
            postrm = '#!/bin/sh\n'
-        postrm += d.getVar('gtk_icon_cache_postrm', True)
+        postrm += d.getVar('gtk_icon_cache_postrm')
        d.setVar('pkg_postrm_%s' % pkg, postrm)
 }
diff --git a/meta/classes/gtk-immodules-cache.bbclass b/meta/classes/gtk-immodules-cache.bbclass
index ebbc9dea89..baea95959b 100644
--- a/meta/classes/gtk-immodules-cache.bbclass
+++ b/meta/classes/gtk-immodules-cache.bbclass
@@ -61,21 +61,21 @@ fi
 }
 python populate_packages_append () {
-    gtkimmodules_pkgs = d.getVar('GTKIMMODULES_PACKAGES', True).split()
+    gtkimmodules_pkgs = d.getVar('GTKIMMODULES_PACKAGES').split()
    for pkg in gtkimmodules_pkgs:
            bb.note("adding gtk-immodule-cache postinst and postrm scripts to %s" % pkg)
-            postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+            postinst = d.getVar('pkg_postinst_%s' % pkg)
            if not postinst:
                postinst = '#!/bin/sh\n'
-            postinst += d.getVar('gtk_immodule_cache_postinst', True)
+            postinst += d.getVar('gtk_immodule_cache_postinst')
            d.setVar('pkg_postinst_%s' % pkg, postinst)
-            postrm = d.getVar('pkg_postrm_%s' % pkg, True)
+            postrm = d.getVar('pkg_postrm_%s' % pkg)
            if not postrm:
                postrm = '#!/bin/sh\n'
-            postrm += d.getVar('gtk_immodule_cache_postrm', True)
+            postrm += d.getVar('gtk_immodule_cache_postrm')
            d.setVar('pkg_postrm_%s' % pkg, postrm)
 }
diff --git a/meta/classes/icecc.bbclass b/meta/classes/icecc.bbclass
index a837894150..8a351cf3b8 100644
--- a/meta/classes/icecc.bbclass
+++ b/meta/classes/icecc.bbclass
@@ -100,7 +100,7 @@ def use_icecc(bb,d):
    if icecc_is_allarch(bb, d):
        return "no"
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    system_class_blacklist = []
    user_class_blacklist = (d.getVar('ICECC_USER_CLASS_BL', False) or "none").split()
@@ -139,7 +139,7 @@ def use_icecc(bb,d):
    return "yes"
 def icecc_is_allarch(bb, d):
-    return d.getVar("PACKAGE_ARCH", True) == "all" or bb.data.inherits_class('allarch', d)
+    return d.getVar("PACKAGE_ARCH") == "all" or bb.data.inherits_class('allarch', d)
 def icecc_is_kernel(bb, d):
    return \
diff --git a/meta/classes/image-buildinfo.bbclass b/meta/classes/image-buildinfo.bbclass
index da1edf7496..3b79de5ad8 100644
--- a/meta/classes/image-buildinfo.bbclass
+++ b/meta/classes/image-buildinfo.bbclass
@@ -18,7 +18,7 @@ def image_buildinfo_outputvars(vars, listvars, d):
    listvars = listvars.split()
    ret = ""
    for var in vars:
-        value = d.getVar(var, True) or ""
+        value = d.getVar(var) or ""
        if (d.getVarFlag(var, 'type', True) == "list"):
            value = oe.utils.squashspaces(value)
        ret += "%s = %s\n" % (var, value)
@@ -42,7 +42,7 @@ def get_layer_git_status(path):
 # Returns layer revisions along with their respective status
 def get_layer_revs(d):
-    layers = (d.getVar("BBLAYERS", True) or "").split()
+    layers = (d.getVar("BBLAYERS") or "").split()
    medadata_revs = ["%-17s = %s:%s %s" % (os.path.basename(i), \
        base_get_metadata_git_branch(i, None).strip(), \
        base_get_metadata_git_revision(i, None), \
@@ -52,11 +52,11 @@ def get_layer_revs(d):
 def buildinfo_target(d):
        # Get context
-        if d.getVar('BB_WORKERCONTEXT', True) != '1':
+        if d.getVar('BB_WORKERCONTEXT') != '1':
                return ""
        # Single and list variables to be read
-        vars = (d.getVar("IMAGE_BUILDINFO_VARS", True) or "")
+        vars = (d.getVar("IMAGE_BUILDINFO_VARS") or "")
-        listvars = (d.getVar("IMAGE_BUILDINFO_LVARS", True) or "")
+        listvars = (d.getVar("IMAGE_BUILDINFO_LVARS") or "")
        return image_buildinfo_outputvars(vars, listvars, d)
 # Write build information to target filesystem
diff --git a/meta/classes/image-live.bbclass b/meta/classes/image-live.bbclass
index 4a634dca96..a3d1b4e567 100644
--- a/meta/classes/image-live.bbclass
+++ b/meta/classes/image-live.bbclass
@@ -51,8 +51,8 @@ IMAGE_TYPEDEP_hddimg = "ext4"
 IMAGE_TYPES_MASKED += "live hddimg iso"
 python() {
-    image_b = d.getVar('IMAGE_BASENAME', True)
+    image_b = d.getVar('IMAGE_BASENAME')
-    initrd_i = d.getVar('INITRD_IMAGE_LIVE', True)
+    initrd_i = d.getVar('INITRD_IMAGE_LIVE')
    if image_b == initrd_i:
        bb.error('INITRD_IMAGE_LIVE %s cannot use image live, hddimg or iso.' % initrd_i)
        bb.fatal('Check IMAGE_FSTYPES and INITRAMFS_FSTYPES settings.')
@@ -264,9 +264,9 @@ build_hddimg() {
 python do_bootimg() {
    set_live_vm_vars(d, 'LIVE')
-    if d.getVar("PCBIOS", True) == "1":
+    if d.getVar("PCBIOS") == "1":
        bb.build.exec_func('build_syslinux_cfg', d)
-    if d.getVar("EFI", True) == "1":
+    if d.getVar("EFI") == "1":
        bb.build.exec_func('build_efi_cfg', d)
    bb.build.exec_func('build_hddimg', d)
    bb.build.exec_func('build_iso', d)
diff --git a/meta/classes/image-vm.bbclass b/meta/classes/image-vm.bbclass
index 2f35d6b4d1..35c9244e9b 100644
--- a/meta/classes/image-vm.bbclass
+++ b/meta/classes/image-vm.bbclass
@@ -112,9 +112,9 @@ build_boot_dd() {
 python do_bootdirectdisk() {
    validate_disk_signature(d)
    set_live_vm_vars(d, 'VM')
-    if d.getVar("PCBIOS", True) == "1":
+    if d.getVar("PCBIOS") == "1":
        bb.build.exec_func('build_syslinux_cfg', d)
-    if d.getVar("EFI", True) == "1":
+    if d.getVar("EFI") == "1":
        bb.build.exec_func('build_efi_cfg', d)
    bb.build.exec_func('build_boot_dd', d)
 }
@@ -132,7 +132,7 @@ def generate_disk_signature():
 def validate_disk_signature(d):
    import re
-    disk_signature = d.getVar("DISK_SIGNATURE", True)
+    disk_signature = d.getVar("DISK_SIGNATURE")
    if not re.match(r'^[0-9a-fA-F]{8}$', disk_signature):
        bb.fatal("DISK_SIGNATURE '%s' must be an 8 digit hex string" % disk_signature)
@@ -158,11 +158,11 @@ create_qcow2_image () {
 }
 python do_vmimg() {
-    if 'vmdk' in d.getVar('IMAGE_FSTYPES', True):
+    if 'vmdk' in d.getVar('IMAGE_FSTYPES'):
        bb.build.exec_func('create_vmdk_image', d)
-    if 'vdi' in d.getVar('IMAGE_FSTYPES', True):
+    if 'vdi' in d.getVar('IMAGE_FSTYPES'):
        bb.build.exec_func('create_vdi_image', d)
-    if 'qcow2' in d.getVar('IMAGE_FSTYPES', True):
+    if 'qcow2' in d.getVar('IMAGE_FSTYPES'):
        bb.build.exec_func('create_qcow2_image', d)
 }
diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index e63f6a3bfe..28bff9e75a 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -2,7 +2,7 @@ inherit rootfs_${IMAGE_PKGTYPE}
 # Only Linux SDKs support populate_sdk_ext, fall back to populate_sdk
 # in the non-Linux SDK_OS case, such as mingw32
-SDKEXTCLASS ?= "${@['populate_sdk', 'populate_sdk_ext']['linux' in d.getVar("SDK_OS", True)]}"
+SDKEXTCLASS ?= "${@['populate_sdk', 'populate_sdk_ext']['linux' in d.getVar("SDK_OS")]}"
 inherit ${SDKEXTCLASS}
 TOOLCHAIN_TARGET_TASK += "${PACKAGE_INSTALL}"
@@ -133,7 +133,7 @@ def build_live(d):
    if bb.utils.contains("IMAGE_FSTYPES", "live", "live", "0", d) == "0": # live is not set but hob might set iso or hddimg
        d.setVar('NOISO', bb.utils.contains('IMAGE_FSTYPES', "iso", "0", "1", d))
        d.setVar('NOHDD', bb.utils.contains('IMAGE_FSTYPES', "hddimg", "0", "1", d))
-        if d.getVar('NOISO', True) == "0" or d.getVar('NOHDD', True) == "0":
+        if d.getVar('NOISO') == "0" or d.getVar('NOHDD') == "0":
            return "image-live"
        return ""
    return "image-live"
@@ -145,7 +145,7 @@ IMAGE_TYPE_vm = '${@bb.utils.contains_any("IMAGE_FSTYPES", ["vmdk", "vdi", "qcow
 inherit ${IMAGE_TYPE_vm}
 def build_uboot(d):
-    if 'u-boot' in (d.getVar('IMAGE_FSTYPES', True) or ''):
+    if 'u-boot' in (d.getVar('IMAGE_FSTYPES') or ''):
        return "image_types_uboot"
    else:
        return ""
@@ -158,7 +158,7 @@ python () {
    d.appendVarFlag('do_rootfs', 'depends', deps)
    deps = ""
-    for dep in (d.getVar('EXTRA_IMAGEDEPENDS', True) or "").split():
+    for dep in (d.getVar('EXTRA_IMAGEDEPENDS') or "").split():
        deps += " %s:do_populate_sysroot" % dep
    d.appendVarFlag('do_build', 'depends', deps)
@@ -167,22 +167,22 @@ python () {
    features = set(oe.data.typed_value('IMAGE_FEATURES', d))
    remain_features = features.copy()
    for feature in features:
-        replaces = set((d.getVar("IMAGE_FEATURES_REPLACES_%s" % feature, True) or "").split())
+        replaces = set((d.getVar("IMAGE_FEATURES_REPLACES_%s" % feature) or "").split())
        remain_features -= replaces
    #Check for conflict image features
    for feature in remain_features:
-        conflicts = set((d.getVar("IMAGE_FEATURES_CONFLICTS_%s" % feature, True) or "").split())
+        conflicts = set((d.getVar("IMAGE_FEATURES_CONFLICTS_%s" % feature) or "").split())
        temp = conflicts & remain_features
        if temp:
-            bb.fatal("%s contains conflicting IMAGE_FEATURES %s %s" % (d.getVar('PN', True), feature, ' '.join(list(temp))))
+            bb.fatal("%s contains conflicting IMAGE_FEATURES %s %s" % (d.getVar('PN'), feature, ' '.join(list(temp))))
    d.setVar('IMAGE_FEATURES', ' '.join(sorted(list(remain_features))))
    check_image_features(d)
-    initramfs_image = d.getVar('INITRAMFS_IMAGE', True) or ""
+    initramfs_image = d.getVar('INITRAMFS_IMAGE') or ""
    if initramfs_image != "":
-        d.appendVarFlag('do_build', 'depends', " %s:do_bundle_initramfs" %  d.getVar('PN', True))
+        d.appendVarFlag('do_build', 'depends', " %s:do_bundle_initramfs" %  d.getVar('PN'))
        d.appendVarFlag('do_bundle_initramfs', 'depends', " %s:do_image_complete" % initramfs_image)
 }
@@ -194,7 +194,7 @@ IMAGE_POSTPROCESS_COMMAND ?= ""
 # some default locales
 IMAGE_LINGUAS ?= "de-de fr-fr en-gb"
-LINGUAS_INSTALL ?= "${@" ".join(map(lambda s: "locale-base-%s" % s, d.getVar('IMAGE_LINGUAS', True).split()))}"
+LINGUAS_INSTALL ?= "${@" ".join(map(lambda s: "locale-base-%s" % s, d.getVar('IMAGE_LINGUAS').split()))}"
 # Prefer image, but use the fallback files for lookups if the image ones
 # aren't yet available.
@@ -229,20 +229,20 @@ fakeroot python do_rootfs () {
    progress_reporter.next_stage()
    # Handle package exclusions
-    excl_pkgs = d.getVar("PACKAGE_EXCLUDE", True).split()
+    excl_pkgs = d.getVar("PACKAGE_EXCLUDE").split()
-    inst_pkgs = d.getVar("PACKAGE_INSTALL", True).split()
+    inst_pkgs = d.getVar("PACKAGE_INSTALL").split()
-    inst_attempt_pkgs = d.getVar("PACKAGE_INSTALL_ATTEMPTONLY", True).split()
+    inst_attempt_pkgs = d.getVar("PACKAGE_INSTALL_ATTEMPTONLY").split()
    d.setVar('PACKAGE_INSTALL_ORIG', ' '.join(inst_pkgs))
    d.setVar('PACKAGE_INSTALL_ATTEMPTONLY', ' '.join(inst_attempt_pkgs))
    for pkg in excl_pkgs:
        if pkg in inst_pkgs:
-            bb.warn("Package %s, set to be excluded, is in %s PACKAGE_INSTALL (%s).  It will be removed from the list." % (pkg, d.getVar('PN', True), inst_pkgs))
+            bb.warn("Package %s, set to be excluded, is in %s PACKAGE_INSTALL (%s).  It will be removed from the list." % (pkg, d.getVar('PN'), inst_pkgs))
            inst_pkgs.remove(pkg)
        if pkg in inst_attempt_pkgs:
-            bb.warn("Package %s, set to be excluded, is in %s PACKAGE_INSTALL_ATTEMPTONLY (%s).  It will be removed from the list." % (pkg, d.getVar('PN', True), inst_pkgs))
+            bb.warn("Package %s, set to be excluded, is in %s PACKAGE_INSTALL_ATTEMPTONLY (%s).  It will be removed from the list." % (pkg, d.getVar('PN'), inst_pkgs))
            inst_attempt_pkgs.remove(pkg)
    d.setVar("PACKAGE_INSTALL", ' '.join(inst_pkgs))
@@ -252,7 +252,7 @@ fakeroot python do_rootfs () {
    # We have to delay the runtime_mapping_rename until just before rootfs runs
    # otherwise, the multilib renaming could step in and squash any fixups that
    # may have occurred.
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    runtime_mapping_rename("PACKAGE_INSTALL", pn, d)
    runtime_mapping_rename("PACKAGE_INSTALL_ATTEMPTONLY", pn, d)
    runtime_mapping_rename("BAD_RECOMMENDATIONS", pn, d)
@@ -275,7 +275,7 @@ addtask rootfs before do_build
 fakeroot python do_image () {
    from oe.utils import execute_pre_post_process
-    pre_process_cmds = d.getVar("IMAGE_PREPROCESS_COMMAND", True)
+    pre_process_cmds = d.getVar("IMAGE_PREPROCESS_COMMAND")
    execute_pre_post_process(d, pre_process_cmds)
 }
@@ -286,7 +286,7 @@ addtask do_image after do_rootfs before do_build
 fakeroot python do_image_complete () {
    from oe.utils import execute_pre_post_process
-    post_process_cmds = d.getVar("IMAGE_POSTPROCESS_COMMAND", True)
+    post_process_cmds = d.getVar("IMAGE_POSTPROCESS_COMMAND")
    execute_pre_post_process(d, post_process_cmds)
 }
@@ -309,7 +309,7 @@ addtask do_image_complete after do_image before do_build
 fakeroot python do_image_qa () {
    from oe.utils import ImageQAFailed
-    qa_cmds = (d.getVar('IMAGE_QA_COMMANDS', True) or '').split()
+    qa_cmds = (d.getVar('IMAGE_QA_COMMANDS') or '').split()
    qamsg = ""
    for cmd in qa_cmds:
@@ -324,7 +324,7 @@ fakeroot python do_image_qa () {
            qamsg = qamsg + '\n'
    if qamsg:
-        imgname = d.getVar('IMAGE_NAME', True)
+        imgname = d.getVar('IMAGE_NAME')
        bb.fatal("QA errors found whilst validating image: %s\n%s" % (imgname, qamsg))
 }
 addtask do_image_qa after do_image_complete before do_build
@@ -334,17 +334,17 @@ addtask do_image_qa after do_image_complete before do_build
 # to tmp/sysroots/<machine>/imgdata/<image>.env
 #
 python do_rootfs_wicenv () {
-    wicvars = d.getVar('WICVARS', True)
+    wicvars = d.getVar('WICVARS')
    if not wicvars:
        return
-    stdir = d.getVar('STAGING_DIR_TARGET', True)
+    stdir = d.getVar('STAGING_DIR_TARGET')
    outdir = os.path.join(stdir, 'imgdata')
    bb.utils.mkdirhier(outdir)
-    basename = d.getVar('IMAGE_BASENAME', True)
+    basename = d.getVar('IMAGE_BASENAME')
    with open(os.path.join(outdir, basename) + '.env', 'w') as envf:
        for var in wicvars.split():
-            value = d.getVar(var, True)
+            value = d.getVar(var)
            if value:
                envf.write('%s="%s"\n' % (var, value.strip()))
 }
@@ -357,7 +357,7 @@ def setup_debugfs_variables(d):
    d.appendVar('IMAGE_LINK_NAME', '-dbg')
    d.appendVar('IMAGE_NAME','-dbg')
    d.setVar('IMAGE_BUILDING_DEBUGFS', 'true')
-    debugfs_image_fstypes = d.getVar('IMAGE_FSTYPES_DEBUGFS', True)
+    debugfs_image_fstypes = d.getVar('IMAGE_FSTYPES_DEBUGFS')
    if debugfs_image_fstypes:
        d.setVar('IMAGE_FSTYPES', debugfs_image_fstypes)
@@ -375,7 +375,7 @@ python () {
    #
    # Without de-duplication, gen_conversion_cmds() below
    # would create the same compression command multiple times.
-    ctypes = set(d.getVar('CONVERSIONTYPES', True).split())
+    ctypes = set(d.getVar('CONVERSIONTYPES').split())
    old_overrides = d.getVar('OVERRIDES', False)
    def _image_base_type(type):
@@ -392,11 +392,11 @@ python () {
        return basetype
    basetypes = {}
-    alltypes = d.getVar('IMAGE_FSTYPES', True).split()
+    alltypes = d.getVar('IMAGE_FSTYPES').split()
    typedeps = {}
-    if d.getVar('IMAGE_GEN_DEBUGFS', True) == "1":
+    if d.getVar('IMAGE_GEN_DEBUGFS') == "1":
-        debugfs_fstypes = d.getVar('IMAGE_FSTYPES_DEBUGFS', True).split()
+        debugfs_fstypes = d.getVar('IMAGE_FSTYPES_DEBUGFS').split()
        for t in debugfs_fstypes:
            alltypes.append("debugfs_" + t)
@@ -411,7 +411,7 @@ python () {
        if t.startswith("debugfs_"):
            t = t[8:]
            debug = "debugfs_"
-        deps = (d.getVar('IMAGE_TYPEDEP_' + t, True) or "").split()
+        deps = (d.getVar('IMAGE_TYPEDEP_' + t) or "").split()
        vardeps.add('IMAGE_TYPEDEP_' + t)
        if baset not in typedeps:
            typedeps[baset] = set()
@@ -431,7 +431,7 @@ python () {
    d.appendVarFlag('do_image', 'vardeps', ' '.join(vardeps))
-    maskedtypes = (d.getVar('IMAGE_TYPES_MASKED', True) or "").split()
+    maskedtypes = (d.getVar('IMAGE_TYPES_MASKED') or "").split()
    maskedtypes = [dbg + t for t in maskedtypes for dbg in ("", "debugfs_")]
    for t in basetypes:
@@ -459,7 +459,7 @@ python () {
        localdata.delVar('DATETIME')
        localdata.delVar('TMPDIR')
-        image_cmd = localdata.getVar("IMAGE_CMD", True)
+        image_cmd = localdata.getVar("IMAGE_CMD")
        vardeps.add('IMAGE_CMD_' + realt)
        if image_cmd:
            cmds.append("\t" + image_cmd)
@@ -481,7 +481,7 @@ python () {
                    # Create input image first.
                    gen_conversion_cmds(type)
                    localdata.setVar('type', type)
-                    cmd = "\t" + (localdata.getVar("CONVERSION_CMD_" + ctype, True) or localdata.getVar("COMPRESS_CMD_" + ctype, True))
+                    cmd = "\t" + (localdata.getVar("CONVERSION_CMD_" + ctype) or localdata.getVar("COMPRESS_CMD_" + ctype))
                    if cmd not in cmds:
                        cmds.append(cmd)
                    vardeps.add('CONVERSION_CMD_' + ctype)
@@ -532,17 +532,17 @@ python () {
 def get_rootfs_size(d):
    import subprocess
-    rootfs_alignment = int(d.getVar('IMAGE_ROOTFS_ALIGNMENT', True))
+    rootfs_alignment = int(d.getVar('IMAGE_ROOTFS_ALIGNMENT'))
-    overhead_factor = float(d.getVar('IMAGE_OVERHEAD_FACTOR', True))
+    overhead_factor = float(d.getVar('IMAGE_OVERHEAD_FACTOR'))
-    rootfs_req_size = int(d.getVar('IMAGE_ROOTFS_SIZE', True))
+    rootfs_req_size = int(d.getVar('IMAGE_ROOTFS_SIZE'))
-    rootfs_extra_space = eval(d.getVar('IMAGE_ROOTFS_EXTRA_SPACE', True))
+    rootfs_extra_space = eval(d.getVar('IMAGE_ROOTFS_EXTRA_SPACE'))
-    rootfs_maxsize = d.getVar('IMAGE_ROOTFS_MAXSIZE', True)
+    rootfs_maxsize = d.getVar('IMAGE_ROOTFS_MAXSIZE')
-    image_fstypes = d.getVar('IMAGE_FSTYPES', True) or ''
+    image_fstypes = d.getVar('IMAGE_FSTYPES') or ''
-    initramfs_fstypes = d.getVar('INITRAMFS_FSTYPES', True) or ''
+    initramfs_fstypes = d.getVar('INITRAMFS_FSTYPES') or ''
-    initramfs_maxsize = d.getVar('INITRAMFS_MAXSIZE', True)
+    initramfs_maxsize = d.getVar('INITRAMFS_MAXSIZE')
    output = subprocess.check_output(['du', '-ks',
-                                      d.getVar('IMAGE_ROOTFS', True)])
+                                      d.getVar('IMAGE_ROOTFS')])
    size_kb = int(output.split()[0])
    base_size = size_kb * overhead_factor
    base_size = max(base_size, rootfs_req_size) + rootfs_extra_space
@@ -558,7 +558,7 @@ def get_rootfs_size(d):
    # Do not check image size of the debugfs image. This is not supposed
    # to be deployed, etc. so it doesn't make sense to limit the size
    # of the debug.
-    if (d.getVar('IMAGE_BUILDING_DEBUGFS', True) or "") == "true":
+    if (d.getVar('IMAGE_BUILDING_DEBUGFS') or "") == "true":
        return base_size
    # Check the rootfs size against IMAGE_ROOTFS_MAXSIZE (if set)
@@ -589,11 +589,11 @@ python set_image_size () {
 #
 python create_symlinks() {
-    deploy_dir = d.getVar('IMGDEPLOYDIR', True)
+    deploy_dir = d.getVar('IMGDEPLOYDIR')
-    img_name = d.getVar('IMAGE_NAME', True)
+    img_name = d.getVar('IMAGE_NAME')
-    link_name = d.getVar('IMAGE_LINK_NAME', True)
+    link_name = d.getVar('IMAGE_LINK_NAME')
-    manifest_name = d.getVar('IMAGE_MANIFEST', True)
+    manifest_name = d.getVar('IMAGE_MANIFEST')
-    taskname = d.getVar("BB_CURRENTTASK", True)
+    taskname = d.getVar("BB_CURRENTTASK")
    subimages = (d.getVarFlag("do_" + taskname, 'subimages', False) or "").split()
    imgsuffix = d.getVarFlag("do_" + taskname, 'imgsuffix', True) or d.expand("${IMAGE_NAME_SUFFIX}.")
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 9d66d7da7a..8f048497a1 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -17,20 +17,20 @@ def imagetypes_getdepends(d):
                d += ":do_populate_sysroot"
            deps.add(d)
-    fstypes = set((d.getVar('IMAGE_FSTYPES', True) or "").split())
+    fstypes = set((d.getVar('IMAGE_FSTYPES') or "").split())
-    fstypes |= set((d.getVar('IMAGE_FSTYPES_DEBUGFS', True) or "").split())
+    fstypes |= set((d.getVar('IMAGE_FSTYPES_DEBUGFS') or "").split())
    deps = set()
    for typestring in fstypes:
        types = typestring.split(".")
        basetype, resttypes = types[0], types[1:]
-        adddep(d.getVar('IMAGE_DEPENDS_%s' % basetype, True) , deps)
+        adddep(d.getVar('IMAGE_DEPENDS_%s' % basetype) , deps)
-        for typedepends in (d.getVar("IMAGE_TYPEDEP_%s" % basetype, True) or "").split():
+        for typedepends in (d.getVar("IMAGE_TYPEDEP_%s" % basetype) or "").split():
-            adddep(d.getVar('IMAGE_DEPENDS_%s' % typedepends, True) , deps)
+            adddep(d.getVar('IMAGE_DEPENDS_%s' % typedepends) , deps)
        for ctype in resttypes:
-            adddep(d.getVar("CONVERSION_DEPENDS_%s" % ctype, True), deps)
+            adddep(d.getVar("CONVERSION_DEPENDS_%s" % ctype), deps)
-            adddep(d.getVar("COMPRESS_DEPENDS_%s" % ctype, True), deps)
+            adddep(d.getVar("COMPRESS_DEPENDS_%s" % ctype), deps)
    # Sort the set so that ordering is consistant
    return " ".join(sorted(deps))
@@ -220,7 +220,7 @@ WKS_FILE_CHECKSUM = "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}
 do_image_wic[file-checksums] += "${WKS_FILE_CHECKSUM}"
 python () {
-    if d.getVar('USING_WIC', True) and 'do_bootimg' in d:
+    if d.getVar('USING_WIC') and 'do_bootimg' in d:
        bb.build.addtask('do_image_wic', '', 'do_bootimg', d)
 }
@@ -228,7 +228,7 @@ python do_write_wks_template () {
    """Write out expanded template contents to WKS_FULL_PATH."""
    import re
-    template_body = d.getVar('_WKS_TEMPLATE', True)
+    template_body = d.getVar('_WKS_TEMPLATE')
    # Remove any remnant variable references left behind by the expansion
    # due to undefined variables
@@ -240,18 +240,18 @@ python do_write_wks_template () {
        else:
            template_body = new_body
-    wks_file = d.getVar('WKS_FULL_PATH', True)
+    wks_file = d.getVar('WKS_FULL_PATH')
    with open(wks_file, 'w') as f:
        f.write(template_body)
 }
 python () {
-    if d.getVar('USING_WIC', True):
+    if d.getVar('USING_WIC'):
        wks_file_u = d.getVar('WKS_FULL_PATH', False)
        wks_file = d.expand(wks_file_u)
        base, ext = os.path.splitext(wks_file)
        if ext == '.in' and os.path.exists(wks_file):
-            wks_out_file = os.path.join(d.getVar('WORKDIR', True), os.path.basename(base))
+            wks_out_file = os.path.join(d.getVar('WORKDIR'), os.path.basename(base))
            d.setVar('WKS_FULL_PATH', wks_out_file)
            d.setVar('WKS_TEMPLATE_PATH', wks_file_u)
            d.setVar('WKS_FILE_CHECKSUM', '${WKS_TEMPLATE_PATH}:True')
diff --git a/meta/classes/insane.bbclass b/meta/classes/insane.bbclass
index 01494e3443..1a742cf6f8 100644
--- a/meta/classes/insane.bbclass
+++ b/meta/classes/insane.bbclass
@@ -179,7 +179,7 @@ def package_qa_get_machine_dict(d):
    # Add in any extra user supplied data which may come from a BSP layer, removing the
    # need to always change this class directly
-    extra_machdata = (d.getVar("PACKAGEQA_EXTRA_MACHDEFFUNCS", True) or "").split()
+    extra_machdata = (d.getVar("PACKAGEQA_EXTRA_MACHDEFFUNCS") or "").split()
    for m in extra_machdata:
        call = m + "(machdata, d)"
        locs = { "machdata" : machdata, "d" : d}
@@ -194,23 +194,23 @@ def package_qa_clean_path(path, d, pkg=None):
    TMPDIR is stripped, otherwise PKGDEST/pkg is stripped.
    """
    if pkg:
-        path = path.replace(os.path.join(d.getVar("PKGDEST", True), pkg), "/")
+        path = path.replace(os.path.join(d.getVar("PKGDEST"), pkg), "/")
-    return path.replace(d.getVar("TMPDIR", True), "/").replace("//", "/")
+    return path.replace(d.getVar("TMPDIR"), "/").replace("//", "/")
 def package_qa_write_error(type, error, d):
-    logfile = d.getVar('QA_LOGFILE', True)
+    logfile = d.getVar('QA_LOGFILE')
    if logfile:
-        p = d.getVar('P', True)
+        p = d.getVar('P')
        with open(logfile, "a+") as f:
            f.write("%s: %s [%s]\n" % (p, error, type))
 def package_qa_handle_error(error_class, error_msg, d):
    package_qa_write_error(error_class, error_msg, d)
-    if error_class in (d.getVar("ERROR_QA", True) or "").split():
+    if error_class in (d.getVar("ERROR_QA") or "").split():
        bb.error("QA Issue: %s [%s]" % (error_msg, error_class))
        d.setVar("QA_SANE", False)
        return False
-    elif error_class in (d.getVar("WARN_QA", True) or "").split():
+    elif error_class in (d.getVar("WARN_QA") or "").split():
        bb.warn("QA Issue: %s [%s]" % (error_msg, error_class))
    else:
        bb.note("QA Issue: %s [%s]" % (error_msg, error_class))
@@ -226,7 +226,7 @@ QAPATHTEST[libexec] = "package_qa_check_libexec"
 def package_qa_check_libexec(path,name, d, elf, messages):
    # Skip the case where the default is explicitly /usr/libexec
-    libexec = d.getVar('libexecdir', True)
+    libexec = d.getVar('libexecdir')
    if libexec == "/usr/libexec":
        return True
@@ -247,7 +247,7 @@ def package_qa_check_rpath(file,name, d, elf, messages):
    if os.path.islink(file):
        return
-    bad_dirs = [d.getVar('BASE_WORKDIR', True), d.getVar('STAGING_DIR_TARGET', True)]
+    bad_dirs = [d.getVar('BASE_WORKDIR'), d.getVar('STAGING_DIR_TARGET')]
    phdrs = elf.run_objdump("-p", d)
@@ -275,8 +275,8 @@ def package_qa_check_useless_rpaths(file, name, d, elf, messages):
    if os.path.islink(file):
        return
-    libdir = d.getVar("libdir", True)
+    libdir = d.getVar("libdir")
-    base_libdir = d.getVar("base_libdir", True)
+    base_libdir = d.getVar("base_libdir")
    phdrs = elf.run_objdump("-p", d)
@@ -333,11 +333,11 @@ def package_qa_check_libdir(d):
    """
    import re
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    base_libdir = d.getVar("base_libdir",True) + os.sep
-    libdir = d.getVar("libdir", True) + os.sep
+    libdir = d.getVar("libdir") + os.sep
-    libexecdir = d.getVar("libexecdir", True) + os.sep
+    libexecdir = d.getVar("libexecdir") + os.sep
-    exec_prefix = d.getVar("exec_prefix", True) + os.sep
+    exec_prefix = d.getVar("exec_prefix") + os.sep
    messages = []
@@ -352,10 +352,10 @@ def package_qa_check_libdir(d):
            # Skip subdirectories for any packages with libdir in INSANE_SKIP
            skippackages = []
            for package in dirs:
-                if 'libdir' in (d.getVar('INSANE_SKIP_' + package, True) or "").split():
+                if 'libdir' in (d.getVar('INSANE_SKIP_' + package) or "").split():
                    bb.note("Package %s skipping libdir QA test" % (package))
                    skippackages.append(package)
-                elif d.getVar('PACKAGE_DEBUG_SPLIT_STYLE', True) == 'debug-file-directory' and package.endswith("-dbg"):
+                elif d.getVar('PACKAGE_DEBUG_SPLIT_STYLE') == 'debug-file-directory' and package.endswith("-dbg"):
                    bb.note("Package %s skipping libdir QA test for PACKAGE_DEBUG_SPLIT_STYLE equals debug-file-directory" % (package))
                    skippackages.append(package)
            for package in skippackages:
@@ -416,10 +416,10 @@ def package_qa_check_unsafe_references_in_binaries(path, name, d, elf, messages)
    if elf:
        import subprocess as sub
-        pn = d.getVar('PN', True)
+        pn = d.getVar('PN')
-        exec_prefix = d.getVar('exec_prefix', True)
+        exec_prefix = d.getVar('exec_prefix')
-        sysroot_path = d.getVar('STAGING_DIR_TARGET', True)
+        sysroot_path = d.getVar('STAGING_DIR_TARGET')
        sysroot_path_usr = sysroot_path + exec_prefix
        try:
@@ -432,8 +432,8 @@ def package_qa_check_unsafe_references_in_binaries(path, name, d, elf, messages)
        if sysroot_path_usr in ldd_output:
            ldd_output = ldd_output.replace(sysroot_path, "")
-            pkgdest = d.getVar('PKGDEST', True)
+            pkgdest = d.getVar('PKGDEST')
-            packages = d.getVar('PACKAGES', True)
+            packages = d.getVar('PACKAGES')
            for package in packages.split():
                short_path = path.replace('%s/%s' % (pkgdest, package), "", 1)
@@ -459,13 +459,13 @@ def package_qa_check_unsafe_references_in_scripts(path, name, d, elf, messages):
    if not elf:
        import stat
        import subprocess
-        pn = d.getVar('PN', True)
+        pn = d.getVar('PN')
        # Ensure we're checking an executable script
        statinfo = os.stat(path)
        if bool(statinfo.st_mode & stat.S_IXUSR):
            # grep shell scripts for possible references to /exec_prefix/
-            exec_prefix = d.getVar('exec_prefix', True)
+            exec_prefix = d.getVar('exec_prefix')
            statement = "grep -e '%s/[^ :]\{1,\}/[^ :]\{1,\}' %s > /dev/null" % (exec_prefix, path)
            if subprocess.call(statement, shell=True) == 0:
                error_msg = pn + ": Found a reference to %s/ in %s" % (exec_prefix, path)
@@ -489,19 +489,19 @@ def unsafe_references_skippable(path, name, d):
        return True
    # Skip unusual rootfs layouts which make these tests irrelevant
-    exec_prefix = d.getVar('exec_prefix', True)
+    exec_prefix = d.getVar('exec_prefix')
    if exec_prefix == "":
        return True
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    pkgdest = pkgdest + "/" + name
    pkgdest = os.path.abspath(pkgdest)
-    base_bindir = pkgdest + d.getVar('base_bindir', True)
+    base_bindir = pkgdest + d.getVar('base_bindir')
-    base_sbindir = pkgdest + d.getVar('base_sbindir', True)
+    base_sbindir = pkgdest + d.getVar('base_sbindir')
-    base_libdir = pkgdest + d.getVar('base_libdir', True)
+    base_libdir = pkgdest + d.getVar('base_libdir')
-    bindir = pkgdest + d.getVar('bindir', True)
+    bindir = pkgdest + d.getVar('bindir')
-    sbindir = pkgdest + d.getVar('sbindir', True)
+    sbindir = pkgdest + d.getVar('sbindir')
-    libdir = pkgdest + d.getVar('libdir', True)
+    libdir = pkgdest + d.getVar('libdir')
    if base_bindir == bindir and base_sbindir == sbindir and base_libdir == libdir:
        return True
@@ -523,13 +523,13 @@ def package_qa_check_arch(path,name,d, elf, messages):
    if not elf:
        return
-    target_os   = d.getVar('TARGET_OS', True)
+    target_os   = d.getVar('TARGET_OS')
-    target_arch = d.getVar('TARGET_ARCH', True)
+    target_arch = d.getVar('TARGET_ARCH')
-    provides = d.getVar('PROVIDES', True)
+    provides = d.getVar('PROVIDES')
-    bpn = d.getVar('BPN', True)
+    bpn = d.getVar('BPN')
    if target_arch == "allarch":
-        pn = d.getVar('PN', True)
+        pn = d.getVar('PN')
        package_qa_add_message(messages, "arch", pn + ": Recipe inherits the allarch class, but has packaged architecture-specific binaries")
        return
@@ -549,7 +549,7 @@ def package_qa_check_arch(path,name,d, elf, messages):
    # Check the architecture and endiannes of the binary
    is_32 = (("virtual/kernel" in provides) or bb.data.inherits_class("module", d)) and \
-            (target_os == "linux-gnux32" or re.match('mips64.*32', d.getVar('DEFAULTTUNE', True)))
+            (target_os == "linux-gnux32" or re.match('mips64.*32', d.getVar('DEFAULTTUNE')))
    if not ((machine == elf.machine()) or is_32):
        package_qa_add_message(messages, "arch", "Architecture did not match (%s, expected %s) on %s" % \
                 (oe.qa.elf_machine_to_string(elf.machine()), oe.qa.elf_machine_to_string(machine), package_qa_clean_path(path,d)))
@@ -608,9 +608,9 @@ def package_qa_hash_style(path, name, d, elf, messages):
    if os.path.islink(path):
        return
-    gnu_hash = "--hash-style=gnu" in d.getVar('LDFLAGS', True)
+    gnu_hash = "--hash-style=gnu" in d.getVar('LDFLAGS')
    if not gnu_hash:
-        gnu_hash = "--hash-style=both" in d.getVar('LDFLAGS', True)
+        gnu_hash = "--hash-style=both" in d.getVar('LDFLAGS')
    if not gnu_hash:
        return
@@ -649,7 +649,7 @@ def package_qa_check_buildpaths(path, name, d, elf, messages):
    if path.find(name + "/CONTROL/") != -1 or path.find(name + "/DEBIAN/") != -1:
        return
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    with open(path, 'rb') as f:
        file_content = f.read().decode('utf-8', errors='ignore')
        if tmpdir in file_content:
@@ -668,8 +668,8 @@ def package_qa_check_xorg_driver_abi(path, name, d, elf, messages):
    driverdir = d.expand("${libdir}/xorg/modules/drivers/")
    if driverdir in path and path.endswith(".so"):
-        mlprefix = d.getVar('MLPREFIX', True) or ''
+        mlprefix = d.getVar('MLPREFIX') or ''
-        for rdep in bb.utils.explode_deps(d.getVar('RDEPENDS_' + name, True) or ""):
+        for rdep in bb.utils.explode_deps(d.getVar('RDEPENDS_' + name) or ""):
            if rdep.startswith("%sxorg-abi-" % mlprefix):
                return
        package_qa_add_message(messages, "xorg-driver-abi", "Package %s contains Xorg driver (%s) but no xorg-abi- dependencies" % (name, os.path.basename(path)))
@@ -692,9 +692,9 @@ def package_qa_check_symlink_to_sysroot(path, name, d, elf, messages):
    if os.path.islink(path):
        target = os.readlink(path)
        if os.path.isabs(target):
-            tmpdir = d.getVar('TMPDIR', True)
+            tmpdir = d.getVar('TMPDIR')
            if target.startswith(tmpdir):
-                trimmed = path.replace(os.path.join (d.getVar("PKGDEST", True), name), "")
+                trimmed = path.replace(os.path.join (d.getVar("PKGDEST"), name), "")
                package_qa_add_message(messages, "symlink-to-sysroot", "Symlink %s in %s points to TMPDIR" % (trimmed, name))
 # Check license variables
@@ -706,17 +706,17 @@ python populate_lic_qa_checksum() {
    import tempfile
    sane = True
-    lic_files = d.getVar('LIC_FILES_CHKSUM', True) or ''
+    lic_files = d.getVar('LIC_FILES_CHKSUM') or ''
-    lic = d.getVar('LICENSE', True)
+    lic = d.getVar('LICENSE')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    if lic == "CLOSED":
        return
-    if not lic_files and d.getVar('SRC_URI', True):
+    if not lic_files and d.getVar('SRC_URI'):
        sane = package_qa_handle_error("license-checksum", pn + ": Recipe file fetches files and does not have license file information (LIC_FILES_CHKSUM)", d)
-    srcdir = d.getVar('S', True)
+    srcdir = d.getVar('S')
    for url in lic_files.split():
        try:
@@ -794,7 +794,7 @@ def package_qa_check_staged(path,d):
    """
    sane = True
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    workdir = os.path.join(tmpdir, "work")
    if bb.data.inherits_class("native", d) or bb.data.inherits_class("cross", d):
@@ -845,8 +845,8 @@ def package_qa_walk(warnfuncs, errorfuncs, skip, package, d):
    import oe.qa
    #if this will throw an exception, then fix the dict above
-    target_os   = d.getVar('TARGET_OS', True)
+    target_os   = d.getVar('TARGET_OS')
-    target_arch = d.getVar('TARGET_ARCH', True)
+    target_arch = d.getVar('TARGET_ARCH')
    warnings = {}
    errors = {}
@@ -879,7 +879,7 @@ def package_qa_check_rdepends(pkg, pkgdest, skip, taskdeps, packages, d):
        bb.data.update_data(localdata)
        # Now check the RDEPENDS
-        rdepends = bb.utils.explode_deps(localdata.getVar('RDEPENDS', True) or "")
+        rdepends = bb.utils.explode_deps(localdata.getVar('RDEPENDS') or "")
        # Now do the sanity check!!!
        if "build-deps" not in skip:
@@ -895,7 +895,7 @@ def package_qa_check_rdepends(pkg, pkgdest, skip, taskdeps, packages, d):
                    if rdep_data and 'PN' in rdep_data and rdep_data['PN'] in taskdeps:
                        continue
                    if not rdep_data or not 'PN' in rdep_data:
-                        pkgdata_dir = d.getVar("PKGDATA_DIR", True)
+                        pkgdata_dir = d.getVar("PKGDATA_DIR")
                        try:
                            possibles = os.listdir("%s/runtime-rprovides/%s/" % (pkgdata_dir, rdepend))
                        except OSError:
@@ -954,7 +954,7 @@ def package_qa_check_rdepends(pkg, pkgdest, skip, taskdeps, packages, d):
                # The python is not a package, but python-core provides it, so
                # skip checking /usr/bin/python if python is in the rdeps, in
                # case there is a RDEPENDS_pkg = "python" in the recipe.
-                for py in [ d.getVar('MLPREFIX', True) + "python", "python" ]:
+                for py in [ d.getVar('MLPREFIX') + "python", "python" ]:
                    if py in done:
                        filerdepends.pop("/usr/bin/python",None)
                        done.remove(py)
@@ -987,7 +987,7 @@ def package_qa_check_deps(pkg, pkgdest, skip, d):
    def check_valid_deps(var):
        try:
-            rvar = bb.utils.explode_dep_versions2(localdata.getVar(var, True) or "")
+            rvar = bb.utils.explode_dep_versions2(localdata.getVar(var) or "")
        except ValueError as e:
            bb.fatal("%s_%s: %s" % (var, pkg, e))
        for dep in rvar:
@@ -1010,10 +1010,10 @@ def package_qa_check_expanded_d(package, d, messages):
    variables, warn the user to use it correctly.
    """
    sane = True
-    expanded_d = d.getVar('D', True)
+    expanded_d = d.getVar('D')
    for var in 'FILES','pkg_preinst', 'pkg_postinst', 'pkg_prerm', 'pkg_postrm':
-        bbvar = d.getVar(var + "_" + package, True) or ""
+        bbvar = d.getVar(var + "_" + package) or ""
        if expanded_d in bbvar:
            if var == 'FILES':
                package_qa_add_message(messages, "expanded-d", "FILES in %s recipe should not contain the ${D} variable as it references the local build directory not the target filesystem, best solution is to remove the ${D} reference" % package)
@@ -1026,7 +1026,7 @@ def package_qa_check_expanded_d(package, d, messages):
 def package_qa_check_encoding(keys, encode, d):
    def check_encoding(key, enc):
        sane = True
-        value = d.getVar(key, True)
+        value = d.getVar(key)
        if value:
            try:
                s = value.encode(enc)
@@ -1051,8 +1051,8 @@ def package_qa_check_host_user(path, name, d, elf, messages):
    if not os.path.lexists(path):
        return
-    dest = d.getVar('PKGDEST', True)
+    dest = d.getVar('PKGDEST')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    home = os.path.join(dest, 'home')
    if path == home or path.startswith(home + os.sep):
        return
@@ -1065,12 +1065,12 @@ def package_qa_check_host_user(path, name, d, elf, messages):
            raise
    else:
        rootfs_path = path[len(dest):]
-        check_uid = int(d.getVar('HOST_USER_UID', True))
+        check_uid = int(d.getVar('HOST_USER_UID'))
        if stat.st_uid == check_uid:
            package_qa_add_message(messages, "host-user-contaminated", "%s: %s is owned by uid %d, which is the same as the user running bitbake. This may be due to host contamination" % (pn, rootfs_path, check_uid))
            return False
-        check_gid = int(d.getVar('HOST_USER_GID', True))
+        check_gid = int(d.getVar('HOST_USER_GID'))
        if stat.st_gid == check_gid:
            package_qa_add_message(messages, "host-user-contaminated", "%s: %s is owned by gid %d, which is the same as the user running bitbake. This may be due to host contamination" % (pn, rootfs_path, check_gid))
            return False
@@ -1088,8 +1088,8 @@ python do_package_qa () {
    # Check non UTF-8 characters on recipe's metadata
    package_qa_check_encoding(['DESCRIPTION', 'SUMMARY', 'LICENSE', 'SECTION'], 'utf-8', d)
-    logdir = d.getVar('T', True)
+    logdir = d.getVar('T')
-    pkg = d.getVar('PN', True)
+    pkg = d.getVar('PN')
    # Check the compile log for host contamination
    compilelog = os.path.join(logdir,"log.do_compile")
@@ -1112,8 +1112,8 @@ python do_package_qa () {
            package_qa_handle_error("install-host-path", msg, d)
    # Scan the packages...
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
-    packages = set((d.getVar('PACKAGES', True) or '').split())
+    packages = set((d.getVar('PACKAGES') or '').split())
    cpath = oe.cachedpath.CachedPath()
    global pkgfiles
@@ -1142,7 +1142,7 @@ python do_package_qa () {
            testmatrix = d.getVarFlags(matrix_name) or {}
            g = globals()
            warnchecks = []
-            for w in (d.getVar("WARN_QA", True) or "").split():
+            for w in (d.getVar("WARN_QA") or "").split():
                if w in skip:
                   continue
                if w in testmatrix and testmatrix[w] in g:
@@ -1151,7 +1151,7 @@ python do_package_qa () {
                    oe.utils.write_ld_so_conf(d)
            errorchecks = []
-            for e in (d.getVar("ERROR_QA", True) or "").split():
+            for e in (d.getVar("ERROR_QA") or "").split():
                if e in skip:
                   continue
                if e in testmatrix and testmatrix[e] in g:
@@ -1160,7 +1160,7 @@ python do_package_qa () {
                    oe.utils.write_ld_so_conf(d)
            return warnchecks, errorchecks
-        skip = (d.getVar('INSANE_SKIP_' + package, True) or "").split()
+        skip = (d.getVar('INSANE_SKIP_' + package) or "").split()
        if skip:
            bb.note("Package %s skipping QA tests: %s" % (package, str(skip)))
@@ -1180,10 +1180,10 @@ python do_package_qa () {
        package_qa_check_rdepends(package, pkgdest, skip, taskdeps, packages, d)
        package_qa_check_deps(package, pkgdest, skip, d)
-    if 'libdir' in d.getVar("ALL_QA", True).split():
+    if 'libdir' in d.getVar("ALL_QA").split():
        package_qa_check_libdir(d)
-    qa_sane = d.getVar("QA_SANE", True)
+    qa_sane = d.getVar("QA_SANE")
    if not qa_sane:
        bb.fatal("QA run found fatal errors. Please consider fixing them.")
    bb.note("DONE with PACKAGE QA")
@@ -1216,7 +1216,7 @@ python do_qa_configure() {
    ###########################################################################
    configs = []
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
    if bb.data.inherits_class('autotools', d):
        bb.note("Checking autotools environment for common misconfiguration")
@@ -1237,16 +1237,16 @@ Rerun configure task after fixing this.""")
    # Check gettext configuration and dependencies are correct
    ###########################################################################
-    cnf = d.getVar('EXTRA_OECONF', True) or ""
+    cnf = d.getVar('EXTRA_OECONF') or ""
-    if "gettext" not in d.getVar('P', True) and "gcc-runtime" not in d.getVar('P', True) and "--disable-nls" not in cnf:
+    if "gettext" not in d.getVar('P') and "gcc-runtime" not in d.getVar('P') and "--disable-nls" not in cnf:
-        ml = d.getVar("MLPREFIX", True) or ""
+        ml = d.getVar("MLPREFIX") or ""
        if bb.data.inherits_class('native', d) or bb.data.inherits_class('cross', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('nativesdk', d):
            gt = "gettext-native"
        elif bb.data.inherits_class('cross-canadian', d):
            gt = "nativesdk-gettext"
        else:
            gt = "virtual/" + ml + "gettext"
-        deps = bb.utils.explode_deps(d.getVar('DEPENDS', True) or "")
+        deps = bb.utils.explode_deps(d.getVar('DEPENDS') or "")
        if gt not in deps:
            for config in configs:
                gnu = "grep \"^[[:space:]]*AM_GNU_GETTEXT\" %s >/dev/null" % config
@@ -1261,40 +1261,40 @@ Missing inherit gettext?""" % (gt, config))
        bb.note("Checking configure output for unrecognised options")
        try:
            flag = "WARNING: unrecognized options:"
-            log = os.path.join(d.getVar('B', True), 'config.log')
+            log = os.path.join(d.getVar('B'), 'config.log')
            output = subprocess.check_output(['grep', '-F', flag, log]).decode("utf-8").replace(', ', ' ')
            options = set()
            for line in output.splitlines():
                options |= set(line.partition(flag)[2].split())
-            whitelist = set(d.getVar("UNKNOWN_CONFIGURE_WHITELIST", True).split())
+            whitelist = set(d.getVar("UNKNOWN_CONFIGURE_WHITELIST").split())
            options -= whitelist
            if options:
-                pn = d.getVar('PN', True)
+                pn = d.getVar('PN')
                error_msg = pn + ": configure was passed unrecognised options: " + " ".join(options)
                package_qa_handle_error("unknown-configure-option", error_msg, d)
        except subprocess.CalledProcessError:
            pass
    # Check invalid PACKAGECONFIG
-    pkgconfig = (d.getVar("PACKAGECONFIG", True) or "").split()
+    pkgconfig = (d.getVar("PACKAGECONFIG") or "").split()
    if pkgconfig:
        pkgconfigflags = d.getVarFlags("PACKAGECONFIG") or {}
        for pconfig in pkgconfig:
            if pconfig not in pkgconfigflags:
-                pn = d.getVar('PN', True)
+                pn = d.getVar('PN')
                error_msg = "%s: invalid PACKAGECONFIG: %s" % (pn, pconfig)
                package_qa_handle_error("invalid-packageconfig", error_msg, d)
-    qa_sane = d.getVar("QA_SANE", True)
+    qa_sane = d.getVar("QA_SANE")
    if not qa_sane:
        bb.fatal("Fatal QA errors found, failing task.")
 }
 python do_qa_unpack() {
-    src_uri = d.getVar('SRC_URI', True)
+    src_uri = d.getVar('SRC_URI')
-    s_dir = d.getVar('S', True)
+    s_dir = d.getVar('S')
    if src_uri and not os.path.exists(s_dir):
-        bb.warn('%s: the directory %s (%s) pointed to by the S variable doesn\'t exist - please set S within the recipe to point to where the source has been unpacked to' % (d.getVar('PN', True), d.getVar('S', False), s_dir))
+        bb.warn('%s: the directory %s (%s) pointed to by the S variable doesn\'t exist - please set S within the recipe to point to where the source has been unpacked to' % (d.getVar('PN'), d.getVar('S', False), s_dir))
 }
 # The Staging Func, to check all staging
@@ -1310,7 +1310,7 @@ do_configure[postfuncs] += "do_qa_configure "
 do_unpack[postfuncs] += "do_qa_unpack"
 python () {
-    tests = d.getVar('ALL_QA', True).split()
+    tests = d.getVar('ALL_QA').split()
    if "desktop" in tests:
        d.appendVar("PACKAGE_DEPENDS", " desktop-file-utils-native")
@@ -1319,7 +1319,7 @@ python () {
    ###########################################################################
    # Checking ${FILESEXTRAPATHS}
-    extrapaths = (d.getVar("FILESEXTRAPATHS", True) or "")
+    extrapaths = (d.getVar("FILESEXTRAPATHS") or "")
    if '__default' not in extrapaths.split(":"):
        msg = "FILESEXTRAPATHS-variable, must always use _prepend (or _append)\n"
        msg += "type of assignment, and don't forget the colon.\n"
@@ -1331,29 +1331,29 @@ python () {
        msg += "%s\n" % extrapaths
        bb.warn(msg)
-    overrides = d.getVar('OVERRIDES', True).split(':')
+    overrides = d.getVar('OVERRIDES').split(':')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    if pn in overrides:
-        msg = 'Recipe %s has PN of "%s" which is in OVERRIDES, this can result in unexpected behaviour.' % (d.getVar("FILE", True), pn)
+        msg = 'Recipe %s has PN of "%s" which is in OVERRIDES, this can result in unexpected behaviour.' % (d.getVar("FILE"), pn)
        package_qa_handle_error("pn-overrides", msg, d)
    issues = []
-    if (d.getVar('PACKAGES', True) or "").split():
+    if (d.getVar('PACKAGES') or "").split():
-        for dep in (d.getVar('QADEPENDS', True) or "").split():
+        for dep in (d.getVar('QADEPENDS') or "").split():
            d.appendVarFlag('do_package_qa', 'depends', " %s:do_populate_sysroot" % dep)
        for var in 'RDEPENDS', 'RRECOMMENDS', 'RSUGGESTS', 'RCONFLICTS', 'RPROVIDES', 'RREPLACES', 'FILES', 'pkg_preinst', 'pkg_postinst', 'pkg_prerm', 'pkg_postrm', 'ALLOW_EMPTY':
            if d.getVar(var, False):
                issues.append(var)
-        fakeroot_tests = d.getVar('FAKEROOT_QA', True).split()
+        fakeroot_tests = d.getVar('FAKEROOT_QA').split()
        if set(tests) & set(fakeroot_tests):
            d.setVarFlag('do_package_qa', 'fakeroot', '1')
            d.appendVarFlag('do_package_qa', 'depends', ' virtual/fakeroot-native:do_populate_sysroot')
    else:
        d.setVarFlag('do_package_qa', 'rdeptask', '')
    for i in issues:
-        package_qa_handle_error("pkgvarcheck", "%s: Variable %s is set as not being package specific, please fix this." % (d.getVar("FILE", True), i), d)
+        package_qa_handle_error("pkgvarcheck", "%s: Variable %s is set as not being package specific, please fix this." % (d.getVar("FILE"), i), d)
-    qa_sane = d.getVar("QA_SANE", True)
+    qa_sane = d.getVar("QA_SANE")
    if not qa_sane:
        bb.fatal("Fatal QA errors found, failing task.")
 }
diff --git a/meta/classes/kernel-arch.bbclass b/meta/classes/kernel-arch.bbclass
index ea976c66b3..e09cdc4184 100644
--- a/meta/classes/kernel-arch.bbclass
+++ b/meta/classes/kernel-arch.bbclass
@@ -19,7 +19,7 @@ valid_archs = "alpha cris ia64 \
 def map_kernel_arch(a, d):
    import re
-    valid_archs = d.getVar('valid_archs', True).split()
+    valid_archs = d.getVar('valid_archs').split()
    if   re.match('(i.86|athlon|x86.64)$', a):  return 'x86'
    elif re.match('armeb$', a):                 return 'arm'
@@ -34,7 +34,7 @@ def map_kernel_arch(a, d):
    else:
        bb.error("cannot map '%s' to a linux kernel architecture" % a)
-export ARCH = "${@map_kernel_arch(d.getVar('TARGET_ARCH', True), d)}"
+export ARCH = "${@map_kernel_arch(d.getVar('TARGET_ARCH'), d)}"
 def map_uboot_arch(a, d):
    import re
@@ -43,7 +43,7 @@ def map_uboot_arch(a, d):
    elif re.match('i.86$', a): return 'x86'
    return a
-export UBOOT_ARCH = "${@map_uboot_arch(d.getVar('ARCH', True), d)}"
+export UBOOT_ARCH = "${@map_uboot_arch(d.getVar('ARCH'), d)}"
 # Set TARGET_??_KERNEL_ARCH in the machine .conf to set architecture
 # specific options necessary for building the kernel and modules.
diff --git a/meta/classes/kernel-fitimage.bbclass b/meta/classes/kernel-fitimage.bbclass
index 8580247f82..2934b3a31a 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -1,13 +1,13 @@
 inherit kernel-uboot uboot-sign
 python __anonymous () {
-    kerneltypes = d.getVar('KERNEL_IMAGETYPES', True) or ""
+    kerneltypes = d.getVar('KERNEL_IMAGETYPES') or ""
    if 'fitImage' in kerneltypes.split():
-        depends = d.getVar("DEPENDS", True)
+        depends = d.getVar("DEPENDS")
        depends = "%s u-boot-mkimage-native dtc-native" % depends
        d.setVar("DEPENDS", depends)
-        if d.getVar("UBOOT_ARCH", True) == "x86":
+        if d.getVar("UBOOT_ARCH") == "x86":
            replacementtype = "bzImage"
        else:
            replacementtype = "zImage"
@@ -15,19 +15,19 @@ python __anonymous () {
        # Override KERNEL_IMAGETYPE_FOR_MAKE variable, which is internal
        # to kernel.bbclass . We have to override it, since we pack zImage
        # (at least for now) into the fitImage .
-        typeformake = d.getVar("KERNEL_IMAGETYPE_FOR_MAKE", True) or ""
+        typeformake = d.getVar("KERNEL_IMAGETYPE_FOR_MAKE") or ""
        if 'fitImage' in typeformake.split():
            d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', typeformake.replace('fitImage', replacementtype))
-        image = d.getVar('INITRAMFS_IMAGE', True)
+        image = d.getVar('INITRAMFS_IMAGE')
        if image:
            d.appendVarFlag('do_assemble_fitimage_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete')
        # Verified boot will sign the fitImage and append the public key to
        # U-boot dtb. We ensure the U-Boot dtb is deployed before assembling
        # the fitImage:
-        if d.getVar('UBOOT_SIGN_ENABLE', True):
+        if d.getVar('UBOOT_SIGN_ENABLE'):
-            uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot', True) or 'u-boot'
+            uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot'
            d.appendVarFlag('do_assemble_fitimage', 'depends', ' %s:do_deploy' % uboot_pn)
 }
diff --git a/meta/classes/kernel-grub.bbclass b/meta/classes/kernel-grub.bbclass
index f7dcc0715a..5d92f3b636 100644
--- a/meta/classes/kernel-grub.bbclass
+++ b/meta/classes/kernel-grub.bbclass
@@ -92,7 +92,7 @@ python __anonymous () {
        fi
 '''
-    imagetypes = d.getVar('KERNEL_IMAGETYPES', True)
+    imagetypes = d.getVar('KERNEL_IMAGETYPES')
    imagetypes = re.sub(r'\.gz$', '', imagetypes)
    for type in imagetypes.split():
diff --git a/meta/classes/kernel-module-split.bbclass b/meta/classes/kernel-module-split.bbclass
index 08d226276e..efe1b42656 100644
--- a/meta/classes/kernel-module-split.bbclass
+++ b/meta/classes/kernel-module-split.bbclass
@@ -39,10 +39,10 @@ python split_kernel_module_packages () {
    def extract_modinfo(file):
        import tempfile, subprocess
-        tempfile.tempdir = d.getVar("WORKDIR", True)
+        tempfile.tempdir = d.getVar("WORKDIR")
        tf = tempfile.mkstemp()
        tmpfile = tf[1]
-        cmd = "%sobjcopy -j .modinfo -O binary %s %s" % (d.getVar("HOST_PREFIX", True) or "", file, tmpfile)
+        cmd = "%sobjcopy -j .modinfo -O binary %s %s" % (d.getVar("HOST_PREFIX") or "", file, tmpfile)
        subprocess.call(cmd, shell=True)
        f = open(tmpfile)
        l = f.read().split("\000")
@@ -60,12 +60,12 @@ python split_kernel_module_packages () {
    def frob_metadata(file, pkg, pattern, format, basename):
        vals = extract_modinfo(file)
-        dvar = d.getVar('PKGD', True)
+        dvar = d.getVar('PKGD')
        # If autoloading is requested, output /etc/modules-load.d/<name>.conf and append
        # appropriate modprobe commands to the postinst
-        autoloadlist = (d.getVar("KERNEL_MODULE_AUTOLOAD", True) or "").split()
+        autoloadlist = (d.getVar("KERNEL_MODULE_AUTOLOAD") or "").split()
-        autoload = d.getVar('module_autoload_%s' % basename, True)
+        autoload = d.getVar('module_autoload_%s' % basename)
        if autoload and autoload == basename:
            bb.warn("module_autoload_%s was replaced by KERNEL_MODULE_AUTOLOAD for cases where basename == module name, please drop it" % basename)
        if autoload and basename not in autoloadlist:
@@ -79,15 +79,15 @@ python split_kernel_module_packages () {
            else:
                f.write('%s\n' % basename)
            f.close()
-            postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+            postinst = d.getVar('pkg_postinst_%s' % pkg)
            if not postinst:
                bb.fatal("pkg_postinst_%s not defined" % pkg)
-            postinst += d.getVar('autoload_postinst_fragment', True) % (autoload or basename)
+            postinst += d.getVar('autoload_postinst_fragment') % (autoload or basename)
            d.setVar('pkg_postinst_%s' % pkg, postinst)
        # Write out any modconf fragment
-        modconflist = (d.getVar("KERNEL_MODULE_PROBECONF", True) or "").split()
+        modconflist = (d.getVar("KERNEL_MODULE_PROBECONF") or "").split()
-        modconf = d.getVar('module_conf_%s' % basename, True)
+        modconf = d.getVar('module_conf_%s' % basename)
        if modconf and basename in modconflist:
            name = '%s/etc/modprobe.d/%s.conf' % (dvar, basename)
            f = open(name, 'w')
@@ -96,15 +96,15 @@ python split_kernel_module_packages () {
        elif modconf:
            bb.error("Please ensure module %s is listed in KERNEL_MODULE_PROBECONF since module_conf_%s is set" % (basename, basename))
-        files = d.getVar('FILES_%s' % pkg, True)
+        files = d.getVar('FILES_%s' % pkg)
        files = "%s /etc/modules-load.d/%s.conf /etc/modprobe.d/%s.conf" % (files, basename, basename)
        d.setVar('FILES_%s' % pkg, files)
        if "description" in vals:
-            old_desc = d.getVar('DESCRIPTION_' + pkg, True) or ""
+            old_desc = d.getVar('DESCRIPTION_' + pkg) or ""
            d.setVar('DESCRIPTION_' + pkg, old_desc + "; " + vals["description"])
-        rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS_' + pkg, True) or "")
+        rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS_' + pkg) or "")
        modinfo_deps = []
        if "depends" in vals and vals["depends"] != "":
            for dep in vals["depends"].split(","):
@@ -121,24 +121,24 @@ python split_kernel_module_packages () {
    module_regex = '^(.*)\.k?o$'
-    module_pattern_prefix = d.getVar('KERNEL_MODULE_PACKAGE_PREFIX', True)
+    module_pattern_prefix = d.getVar('KERNEL_MODULE_PACKAGE_PREFIX')
    module_pattern = module_pattern_prefix + 'kernel-module-%s'
-    postinst = d.getVar('pkg_postinst_modules', True)
+    postinst = d.getVar('pkg_postinst_modules')
-    postrm = d.getVar('pkg_postrm_modules', True)
+    postrm = d.getVar('pkg_postrm_modules')
-    modules = do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='kernel-%s' % (d.getVar("KERNEL_VERSION", True)))
+    modules = do_split_packages(d, root='/lib/modules', file_regex=module_regex, output_pattern=module_pattern, description='%s kernel module', postinst=postinst, postrm=postrm, recursive=True, hook=frob_metadata, extra_depends='kernel-%s' % (d.getVar("KERNEL_VERSION")))
    if modules:
-        metapkg = d.getVar('KERNEL_MODULES_META_PACKAGE', True)
+        metapkg = d.getVar('KERNEL_MODULES_META_PACKAGE')
        d.appendVar('RDEPENDS_' + metapkg, ' '+' '.join(modules))
    # If modules-load.d and modprobe.d are empty at this point, remove them to
    # avoid warnings. removedirs only raises an OSError if an empty
    # directory cannot be removed.
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
    for dir in ["%s/etc/modprobe.d" % (dvar), "%s/etc/modules-load.d" % (dvar), "%s/etc" % (dvar)]:
        if len(os.listdir(dir)) == 0:
            os.rmdir(dir)
 }
-do_package[vardeps] += '${@" ".join(map(lambda s: "module_conf_" + s, (d.getVar("KERNEL_MODULE_PROBECONF", True) or "").split()))}'
+do_package[vardeps] += '${@" ".join(map(lambda s: "module_conf_" + s, (d.getVar("KERNEL_MODULE_PROBECONF") or "").split()))}'
diff --git a/meta/classes/kernel-uimage.bbclass b/meta/classes/kernel-uimage.bbclass
index 340503a2d6..7e7185f903 100644
--- a/meta/classes/kernel-uimage.bbclass
+++ b/meta/classes/kernel-uimage.bbclass
@@ -1,8 +1,8 @@
 inherit kernel-uboot
 python __anonymous () {
-    if "uImage" in (d.getVar('KERNEL_IMAGETYPES', True) or "").split():
+    if "uImage" in (d.getVar('KERNEL_IMAGETYPES') or "").split():
-        depends = d.getVar("DEPENDS", True)
+        depends = d.getVar("DEPENDS")
        depends = "%s u-boot-mkimage-native" % depends
        d.setVar("DEPENDS", depends)
@@ -11,8 +11,8 @@ python __anonymous () {
        # to build uImage using the kernel build system if and only if
        # KEEPUIMAGE == yes. Otherwise, we pack compressed vmlinux into
        # the uImage .
-        if d.getVar("KEEPUIMAGE", True) != 'yes':
+        if d.getVar("KEEPUIMAGE") != 'yes':
-            typeformake = d.getVar("KERNEL_IMAGETYPE_FOR_MAKE", True) or ""
+            typeformake = d.getVar("KERNEL_IMAGETYPE_FOR_MAKE") or ""
            if "uImage" in typeformake.split():
                d.setVar('KERNEL_IMAGETYPE_FOR_MAKE', typeformake.replace('uImage', 'vmlinux'))
 }
diff --git a/meta/classes/kernel-yocto.bbclass b/meta/classes/kernel-yocto.bbclass
index a60327a07e..c7fff5a512 100644
--- a/meta/classes/kernel-yocto.bbclass
+++ b/meta/classes/kernel-yocto.bbclass
@@ -290,7 +290,7 @@ python do_kernel_configcheck() {
    if not os.path.exists(kmeta):
        kmeta = "." + kmeta
-    pathprefix = "export PATH=%s:%s; " % (d.getVar('PATH', True), "${S}/scripts/util/")
+    pathprefix = "export PATH=%s:%s; " % (d.getVar('PATH'), "${S}/scripts/util/")
    cmd = d.expand("scc --configs -o ${S}/.kernel-meta")
    ret, configs = oe.utils.getstatusoutput("%s%s" % (pathprefix, cmd))
diff --git a/meta/classes/kernel.bbclass b/meta/classes/kernel.bbclass
index b779a767d3..fa598cff7f 100644
--- a/meta/classes/kernel.bbclass
+++ b/meta/classes/kernel.bbclass
@@ -22,18 +22,18 @@ INITRAMFS_IMAGE_BUNDLE ?= ""
 # number and cause kernel to be rebuilt. To avoid this, make
 # KERNEL_VERSION_NAME and KERNEL_VERSION_PKG_NAME depend on
 # LINUX_VERSION which is a constant.
-KERNEL_VERSION_NAME = "${@d.getVar('KERNEL_VERSION', True) or ""}"
+KERNEL_VERSION_NAME = "${@d.getVar('KERNEL_VERSION') or ""}"
 KERNEL_VERSION_NAME[vardepvalue] = "${LINUX_VERSION}"
-KERNEL_VERSION_PKG_NAME = "${@legitimize_package_name(d.getVar('KERNEL_VERSION', True))}"
+KERNEL_VERSION_PKG_NAME = "${@legitimize_package_name(d.getVar('KERNEL_VERSION'))}"
 KERNEL_VERSION_PKG_NAME[vardepvalue] = "${LINUX_VERSION}"
 python __anonymous () {
    import re
    # Merge KERNEL_IMAGETYPE and KERNEL_ALT_IMAGETYPE into KERNEL_IMAGETYPES
-    type = d.getVar('KERNEL_IMAGETYPE', True) or ""
+    type = d.getVar('KERNEL_IMAGETYPE') or ""
-    alttype = d.getVar('KERNEL_ALT_IMAGETYPE', True) or ""
+    alttype = d.getVar('KERNEL_ALT_IMAGETYPE') or ""
-    types = d.getVar('KERNEL_IMAGETYPES', True) or ""
+    types = d.getVar('KERNEL_IMAGETYPES') or ""
    if type not in types.split():
        types = (type + ' ' + types).strip()
    if alttype not in types.split():
@@ -56,15 +56,15 @@ python __anonymous () {
        d.setVar('ALLOW_EMPTY_kernel-image-' + typelower, '1')
-        imagedest = d.getVar('KERNEL_IMAGEDEST', True)
+        imagedest = d.getVar('KERNEL_IMAGEDEST')
-        priority = d.getVar('KERNEL_PRIORITY', True)
+        priority = d.getVar('KERNEL_PRIORITY')
        postinst = '#!/bin/sh\n' + 'update-alternatives --install /' + imagedest + '/' + type + ' ' + type + ' ' + '/' + imagedest + '/' + type + '-${KERNEL_VERSION_NAME} ' + priority + ' || true' + '\n'
        d.setVar('pkg_postinst_kernel-image-' + typelower, postinst)
        postrm = '#!/bin/sh\n' + 'update-alternatives --remove' + ' ' + type + ' ' + type + '-${KERNEL_VERSION_NAME} || true' + '\n'
        d.setVar('pkg_postrm_kernel-image-' + typelower, postrm)
-    image = d.getVar('INITRAMFS_IMAGE', True)
+    image = d.getVar('INITRAMFS_IMAGE')
    if image:
        d.appendVarFlag('do_bundle_initramfs', 'depends', ' ${INITRAMFS_IMAGE}:do_image_complete')
@@ -72,7 +72,7 @@ python __anonymous () {
    #       The preferred method is to set INITRAMFS_IMAGE, because
    #       this INITRAMFS_TASK has circular dependency problems
    #       if the initramfs requires kernel modules
-    image_task = d.getVar('INITRAMFS_TASK', True)
+    image_task = d.getVar('INITRAMFS_TASK')
    if image_task:
        d.appendVarFlag('do_configure', 'depends', ' ${INITRAMFS_TASK}')
 }
@@ -101,15 +101,15 @@ inherit ${KERNEL_CLASSES}
 do_unpack[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
 do_clean[cleandirs] += " ${S} ${STAGING_KERNEL_DIR} ${B} ${STAGING_KERNEL_BUILDDIR}"
 base_do_unpack_append () {
-    s = d.getVar("S", True)
+    s = d.getVar("S")
    if s[-1] == '/':
        # drop trailing slash, so that os.symlink(kernsrc, s) doesn't use s as directory name and fail
        s=s[:-1]
-    kernsrc = d.getVar("STAGING_KERNEL_DIR", True)
+    kernsrc = d.getVar("STAGING_KERNEL_DIR")
    if s != kernsrc:
        bb.utils.mkdirhier(kernsrc)
        bb.utils.remove(kernsrc, recurse=True)
-        if d.getVar("EXTERNALSRC", True):
+        if d.getVar("EXTERNALSRC"):
            # With EXTERNALSRC S will not be wiped so we can symlink to it
            os.symlink(s, kernsrc)
        else:
@@ -127,9 +127,9 @@ PACKAGES_DYNAMIC += "^kernel-firmware-.*"
 export OS = "${TARGET_OS}"
 export CROSS_COMPILE = "${TARGET_PREFIX}"
-KERNEL_PRIORITY ?= "${@int(d.getVar('PV', True).split('-')[0].split('+')[0].split('.')[0]) * 10000 + \
+KERNEL_PRIORITY ?= "${@int(d.getVar('PV').split('-')[0].split('+')[0].split('.')[0]) * 10000 + \
-                       int(d.getVar('PV', True).split('-')[0].split('+')[0].split('.')[1]) * 100 + \
+                       int(d.getVar('PV').split('-')[0].split('+')[0].split('.')[1]) * 100 + \
-                       int(d.getVar('PV', True).split('-')[0].split('+')[0].split('.')[-1])}"
+                       int(d.getVar('PV').split('-')[0].split('+')[0].split('.')[-1])}"
 KERNEL_RELEASE ?= "${KERNEL_VERSION}"
@@ -140,7 +140,7 @@ KERNEL_IMAGEDEST = "boot"
 #
 # configuration
 #
-export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE", True) or "ttyS0"}"
+export CMDLINE_CONSOLE = "console=${@d.getVar("KERNEL_CONSOLE") or "ttyS0"}"
 KERNEL_VERSION = "${@get_kernelversion_headers('${B}')}"
@@ -430,14 +430,14 @@ sysroot_stage_all () {
 KERNEL_CONFIG_COMMAND ?= "oe_runmake_call -C ${S} O=${B} oldnoconfig || yes '' | oe_runmake -C ${S} O=${B} oldconfig"
 python check_oldest_kernel() {
-    oldest_kernel = d.getVar('OLDEST_KERNEL', True)
+    oldest_kernel = d.getVar('OLDEST_KERNEL')
-    kernel_version = d.getVar('KERNEL_VERSION', True)
+    kernel_version = d.getVar('KERNEL_VERSION')
-    tclibc = d.getVar('TCLIBC', True)
+    tclibc = d.getVar('TCLIBC')
    if tclibc == 'glibc':
        kernel_version = kernel_version.split('-', 1)[0]
        if oldest_kernel and kernel_version:
            if bb.utils.vercmp_string(kernel_version, oldest_kernel) < 0:
-                bb.warn('%s: OLDEST_KERNEL is "%s" but the version of the kernel you are building is "%s" - therefore %s as built may not be compatible with this kernel. Either set OLDEST_KERNEL to an older version, or build a newer kernel.' % (d.getVar('PN', True), oldest_kernel, kernel_version, tclibc))
+                bb.warn('%s: OLDEST_KERNEL is "%s" but the version of the kernel you are building is "%s" - therefore %s as built may not be compatible with this kernel. Either set OLDEST_KERNEL to an older version, or build a newer kernel.' % (d.getVar('PN'), oldest_kernel, kernel_version, tclibc))
 }
 check_oldest_kernel[vardepsexclude] += "OLDEST_KERNEL KERNEL_VERSION"
diff --git a/meta/classes/libc-common.bbclass b/meta/classes/libc-common.bbclass
index 11b0065a6d..9ea2c03749 100644
--- a/meta/classes/libc-common.bbclass
+++ b/meta/classes/libc-common.bbclass
@@ -17,15 +17,15 @@ do_install() {
 }
 def get_libc_fpu_setting(bb, d):
-    if d.getVar('TARGET_FPU', True) in [ 'soft', 'ppc-efd' ]:
+    if d.getVar('TARGET_FPU') in [ 'soft', 'ppc-efd' ]:
        return "--without-fp"
    return ""
 python populate_packages_prepend () {
-    if d.getVar('DEBIAN_NAMES', True):
+    if d.getVar('DEBIAN_NAMES'):
-        pkgs = d.getVar('PACKAGES', True).split()
+        pkgs = d.getVar('PACKAGES').split()
-        bpn = d.getVar('BPN', True)
+        bpn = d.getVar('BPN')
-        prefix = d.getVar('MLPREFIX', True) or ""
+        prefix = d.getVar('MLPREFIX') or ""
        # Set the base package...
        d.setVar('PKG_' + prefix + bpn, prefix + 'libc6')
        libcprefix = prefix + bpn + '-'
diff --git a/meta/classes/libc-package.bbclass b/meta/classes/libc-package.bbclass
index 071978b519..739adce694 100644
--- a/meta/classes/libc-package.bbclass
+++ b/meta/classes/libc-package.bbclass
@@ -12,24 +12,24 @@ GLIBC_INTERNAL_USE_BINARY_LOCALE ?= "ondevice"
 GLIBC_SPLIT_LC_PACKAGES ?= "0"
 python __anonymous () {
-    enabled = d.getVar("ENABLE_BINARY_LOCALE_GENERATION", True)
+    enabled = d.getVar("ENABLE_BINARY_LOCALE_GENERATION")
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
    if pn.endswith("-initial"):
        enabled = False
    if enabled and int(enabled):
        import re
-        target_arch = d.getVar("TARGET_ARCH", True)
+        target_arch = d.getVar("TARGET_ARCH")
-        binary_arches = d.getVar("BINARY_LOCALE_ARCHES", True) or ""
+        binary_arches = d.getVar("BINARY_LOCALE_ARCHES") or ""
-        use_cross_localedef = d.getVar("LOCALE_GENERATION_WITH_CROSS-LOCALEDEF", True) or ""
+        use_cross_localedef = d.getVar("LOCALE_GENERATION_WITH_CROSS-LOCALEDEF") or ""
        for regexp in binary_arches.split(" "):
            r = re.compile(regexp)
            if r.match(target_arch):
-                depends = d.getVar("DEPENDS", True)
+                depends = d.getVar("DEPENDS")
                if use_cross_localedef == "1" :
                    depends = "%s cross-localedef-native" % depends
                else:
@@ -94,21 +94,21 @@ inherit qemu
 python package_do_split_gconvs () {
    import re
-    if (d.getVar('PACKAGE_NO_GCONV', True) == '1'):
+    if (d.getVar('PACKAGE_NO_GCONV') == '1'):
        bb.note("package requested not splitting gconvs")
        return
-    if not d.getVar('PACKAGES', True):
+    if not d.getVar('PACKAGES'):
        return
-    mlprefix = d.getVar("MLPREFIX", True) or ""
+    mlprefix = d.getVar("MLPREFIX") or ""
-    bpn = d.getVar('BPN', True)
+    bpn = d.getVar('BPN')
-    libdir = d.getVar('libdir', True)
+    libdir = d.getVar('libdir')
    if not libdir:
        bb.error("libdir not defined")
        return
-    datadir = d.getVar('datadir', True)
+    datadir = d.getVar('datadir')
    if not datadir:
        bb.error("datadir not defined")
        return
@@ -116,7 +116,7 @@ python package_do_split_gconvs () {
    gconv_libdir = base_path_join(libdir, "gconv")
    charmap_dir = base_path_join(datadir, "i18n", "charmaps")
    locales_dir = base_path_join(datadir, "i18n", "locales")
-    binary_locales_dir = d.getVar('localedir', True)
+    binary_locales_dir = d.getVar('localedir')
    def calc_gconv_deps(fn, pkg, file_regex, output_pattern, group):
        deps = []
@@ -183,13 +183,13 @@ python package_do_split_gconvs () {
        description='locale definition for %s', hook=calc_locale_deps, extra_depends='')
    d.setVar('PACKAGES', d.getVar('PACKAGES', False) + ' ' + d.getVar('MLPREFIX', False) + bpn + '-gconv')
-    use_bin = d.getVar("GLIBC_INTERNAL_USE_BINARY_LOCALE", True)
+    use_bin = d.getVar("GLIBC_INTERNAL_USE_BINARY_LOCALE")
    dot_re = re.compile("(.*)\.(.*)")
    # Read in supported locales and associated encodings
    supported = {}
-    with open(base_path_join(d.getVar('WORKDIR', True), "SUPPORTED")) as f:
+    with open(base_path_join(d.getVar('WORKDIR'), "SUPPORTED")) as f:
        for line in f.readlines():
            try:
                locale, charset = line.rstrip().split()
@@ -198,7 +198,7 @@ python package_do_split_gconvs () {
            supported[locale] = charset
    # GLIBC_GENERATE_LOCALES var specifies which locales to be generated. empty or "all" means all locales
-    to_generate = d.getVar('GLIBC_GENERATE_LOCALES', True)
+    to_generate = d.getVar('GLIBC_GENERATE_LOCALES')
    if not to_generate or to_generate == 'all':
        to_generate = sorted(supported.keys())
    else:
@@ -215,14 +215,14 @@ python package_do_split_gconvs () {
    def output_locale_source(name, pkgname, locale, encoding):
        d.setVar('RDEPENDS_%s' % pkgname, '%slocaledef %s-localedata-%s %s-charmap-%s' % \
        (mlprefix, mlprefix+bpn, legitimize_package_name(locale), mlprefix+bpn, legitimize_package_name(encoding)))
-        d.setVar('pkg_postinst_%s' % pkgname, d.getVar('locale_base_postinst', True) \
+        d.setVar('pkg_postinst_%s' % pkgname, d.getVar('locale_base_postinst') \
        % (locale, encoding, locale))
-        d.setVar('pkg_postrm_%s' % pkgname, d.getVar('locale_base_postrm', True) % \
+        d.setVar('pkg_postrm_%s' % pkgname, d.getVar('locale_base_postrm') % \
        (locale, encoding, locale))
    def output_locale_binary_rdepends(name, pkgname, locale, encoding):
        dep = legitimize_package_name('%s-binary-localedata-%s' % (bpn, name))
-        lcsplit = d.getVar('GLIBC_SPLIT_LC_PACKAGES', True)
+        lcsplit = d.getVar('GLIBC_SPLIT_LC_PACKAGES')
        if lcsplit and int(lcsplit):
            d.appendVar('PACKAGES', ' ' + dep)
            d.setVar('ALLOW_EMPTY_%s' % dep, '1')
@@ -231,16 +231,16 @@ python package_do_split_gconvs () {
    commands = {}
    def output_locale_binary(name, pkgname, locale, encoding):
-        treedir = base_path_join(d.getVar("WORKDIR", True), "locale-tree")
+        treedir = base_path_join(d.getVar("WORKDIR"), "locale-tree")
-        ldlibdir = base_path_join(treedir, d.getVar("base_libdir", True))
+        ldlibdir = base_path_join(treedir, d.getVar("base_libdir"))
-        path = d.getVar("PATH", True)
+        path = d.getVar("PATH")
        i18npath = base_path_join(treedir, datadir, "i18n")
        gconvpath = base_path_join(treedir, "iconvdata")
        outputpath = base_path_join(treedir, binary_locales_dir)
-        use_cross_localedef = d.getVar("LOCALE_GENERATION_WITH_CROSS-LOCALEDEF", True) or "0"
+        use_cross_localedef = d.getVar("LOCALE_GENERATION_WITH_CROSS-LOCALEDEF") or "0"
        if use_cross_localedef == "1":
-            target_arch = d.getVar('TARGET_ARCH', True)
+            target_arch = d.getVar('TARGET_ARCH')
            locale_arch_options = { \
                "arm":     " --uint32-align=4 --little-endian ", \
                "armeb":   " --uint32-align=4 --big-endian ",    \
@@ -279,7 +279,7 @@ python package_do_split_gconvs () {
                --inputfile=%s/i18n/locales/%s --charmap=%s %s" \
                % (treedir, datadir, locale, encoding, name)
-            qemu_options = d.getVar('QEMU_OPTIONS', True)
+            qemu_options = d.getVar('QEMU_OPTIONS')
            cmd = "PSEUDO_RELOADED=YES PATH=\"%s\" I18NPATH=\"%s\" %s -L %s \
                -E LD_LIBRARY_PATH=%s %s %s/bin/localedef %s" % \
@@ -292,7 +292,7 @@ python package_do_split_gconvs () {
    def output_locale(name, locale, encoding):
        pkgname = d.getVar('MLPREFIX', False) + 'locale-base-' + legitimize_package_name(name)
        d.setVar('ALLOW_EMPTY_%s' % pkgname, '1')
-        d.setVar('PACKAGES', '%s %s' % (pkgname, d.getVar('PACKAGES', True)))
+        d.setVar('PACKAGES', '%s %s' % (pkgname, d.getVar('PACKAGES')))
        rprovides = ' %svirtual-locale-%s' % (mlprefix, legitimize_package_name(name))
        m = re.match("(.*)_(.*)", name)
        if m:
@@ -311,8 +311,8 @@ python package_do_split_gconvs () {
        bb.note("preparing tree for binary locale generation")
        bb.build.exec_func("do_prep_locale_tree", d)
-    utf8_only = int(d.getVar('LOCALE_UTF8_ONLY', True) or 0)
+    utf8_only = int(d.getVar('LOCALE_UTF8_ONLY') or 0)
-    utf8_is_default = int(d.getVar('LOCALE_UTF8_IS_DEFAULT', True) or 0)
+    utf8_is_default = int(d.getVar('LOCALE_UTF8_IS_DEFAULT') or 0)
    encodings = {}
    for locale in to_generate:
@@ -344,7 +344,7 @@ python package_do_split_gconvs () {
        d.appendVar('RDEPENDS_%s' % metapkg, ' ' + pkg)
    if use_bin == "compile":
-        makefile = base_path_join(d.getVar("WORKDIR", True), "locale-tree", "Makefile")
+        makefile = base_path_join(d.getVar("WORKDIR"), "locale-tree", "Makefile")
        m = open(makefile, "w")
        m.write("all: %s\n\n" % " ".join(commands.keys()))
        for cmd in commands:
@@ -358,7 +358,7 @@ python package_do_split_gconvs () {
        bb.build.exec_func("do_collect_bins_from_locale_tree", d)
    if use_bin in ('compile', 'precompiled'):
-        lcsplit = d.getVar('GLIBC_SPLIT_LC_PACKAGES', True)
+        lcsplit = d.getVar('GLIBC_SPLIT_LC_PACKAGES')
        if lcsplit and int(lcsplit):
            do_split_packages(d, binary_locales_dir, file_regex='^(.*/LC_\w+)', \
                output_pattern=bpn+'-binary-localedata-%s', \
diff --git a/meta/classes/license.bbclass b/meta/classes/license.bbclass
index afcfbfc038..c5d1204ca1 100644
--- a/meta/classes/license.bbclass
+++ b/meta/classes/license.bbclass
@@ -37,13 +37,13 @@ python license_create_manifest() {
    import oe.packagedata
    from oe.rootfs import image_list_installed_packages
-    build_images_from_feeds = d.getVar('BUILD_IMAGES_FROM_FEEDS', True)
+    build_images_from_feeds = d.getVar('BUILD_IMAGES_FROM_FEEDS')
    if build_images_from_feeds == "1":
        return 0
    pkg_dic = {}
    for pkg in sorted(image_list_installed_packages(d)):
-        pkg_info = os.path.join(d.getVar('PKGDATA_DIR', True),
+        pkg_info = os.path.join(d.getVar('PKGDATA_DIR'),
                                'runtime-reverse', pkg)
        pkg_name = os.path.basename(os.readlink(pkg_info))
@@ -52,15 +52,15 @@ python license_create_manifest() {
            pkg_lic_name = "LICENSE_" + pkg_name
            pkg_dic[pkg_name]["LICENSE"] = pkg_dic[pkg_name][pkg_lic_name]
-    rootfs_license_manifest = os.path.join(d.getVar('LICENSE_DIRECTORY', True),
+    rootfs_license_manifest = os.path.join(d.getVar('LICENSE_DIRECTORY'),
-                        d.getVar('IMAGE_NAME', True), 'license.manifest')
+                        d.getVar('IMAGE_NAME'), 'license.manifest')
    write_license_files(d, rootfs_license_manifest, pkg_dic)
 }
 def write_license_files(d, license_manifest, pkg_dic):
    import re
-    bad_licenses = (d.getVar("INCOMPATIBLE_LICENSE", True) or "").split()
+    bad_licenses = (d.getVar("INCOMPATIBLE_LICENSE") or "").split()
    bad_licenses = map(lambda l: canonical_license(d, l), bad_licenses)
    bad_licenses = expand_wildcard_licenses(d, bad_licenses)
@@ -72,7 +72,7 @@ def write_license_files(d, license_manifest, pkg_dic):
                        oe.license.manifest_licenses(pkg_dic[pkg]["LICENSE"],
                        bad_licenses, canonical_license, d)
                except oe.license.LicenseError as exc:
-                    bb.fatal('%s: %s' % (d.getVar('P', True), exc))
+                    bb.fatal('%s: %s' % (d.getVar('P'), exc))
            else:
                pkg_dic[pkg]["LICENSES"] = re.sub('[|&()*]', ' ', pkg_dic[pkg]["LICENSE"])
                pkg_dic[pkg]["LICENSES"] = re.sub('  *', ' ', pkg_dic[pkg]["LICENSES"])
@@ -98,7 +98,7 @@ def write_license_files(d, license_manifest, pkg_dic):
                license_file.write("FILES: %s\n\n" % pkg_dic[pkg]["FILES"])
            for lic in pkg_dic[pkg]["LICENSES"]:
-                lic_file = os.path.join(d.getVar('LICENSE_DIRECTORY', True),
+                lic_file = os.path.join(d.getVar('LICENSE_DIRECTORY'),
                                        pkg_dic[pkg]["PN"], "generic_%s" % 
                                        re.sub('\+', '', lic))
                # add explicity avoid of CLOSED license because isn't generic
@@ -114,8 +114,8 @@ def write_license_files(d, license_manifest, pkg_dic):
    # - Just copy the manifest
    # - Copy the manifest and the license directories
    # With both options set we see a .5 M increase in core-image-minimal
-    copy_lic_manifest = d.getVar('COPY_LIC_MANIFEST', True)
+    copy_lic_manifest = d.getVar('COPY_LIC_MANIFEST')
-    copy_lic_dirs = d.getVar('COPY_LIC_DIRS', True)
+    copy_lic_dirs = d.getVar('COPY_LIC_DIRS')
    if copy_lic_manifest == "1":
        rootfs_license_dir = os.path.join(d.getVar('IMAGE_ROOTFS', 'True'), 
                                'usr', 'share', 'common-licenses')
@@ -129,7 +129,7 @@ def write_license_files(d, license_manifest, pkg_dic):
            for pkg in sorted(pkg_dic):
                pkg_rootfs_license_dir = os.path.join(rootfs_license_dir, pkg)
                bb.utils.mkdirhier(pkg_rootfs_license_dir)
-                pkg_license_dir = os.path.join(d.getVar('LICENSE_DIRECTORY', True),
+                pkg_license_dir = os.path.join(d.getVar('LICENSE_DIRECTORY'),
                                            pkg_dic[pkg]["PN"]) 
                licenses = os.listdir(pkg_license_dir)
                for lic in licenses:
@@ -166,7 +166,7 @@ def license_deployed_manifest(d):
    dep_dic = {}
    man_dic = {}
-    lic_dir = d.getVar("LICENSE_DIRECTORY", True)
+    lic_dir = d.getVar("LICENSE_DIRECTORY")
    dep_dic = get_deployed_dependencies(d)
    for dep in dep_dic.keys():
@@ -181,8 +181,8 @@ def license_deployed_manifest(d):
                key,val = line.split(": ", 1)
                man_dic[dep][key] = val[:-1]
-    lic_manifest_dir = os.path.join(d.getVar('LICENSE_DIRECTORY', True),
+    lic_manifest_dir = os.path.join(d.getVar('LICENSE_DIRECTORY'),
-                                    d.getVar('IMAGE_NAME', True))
+                                    d.getVar('IMAGE_NAME'))
    bb.utils.mkdirhier(lic_manifest_dir)
    image_license_manifest = os.path.join(lic_manifest_dir, 'image_license.manifest')
    write_license_files(d, image_license_manifest, man_dic)
@@ -202,7 +202,7 @@ def get_deployed_dependencies(d):
    depends = list(set([dep[0] for dep
                    in list(taskdata.values())
                    if not dep[0].endswith("-native")]))
-    extra_depends = d.getVar("EXTRA_IMAGEDEPENDS", True)
+    extra_depends = d.getVar("EXTRA_IMAGEDEPENDS")
    boot_depends = get_boot_dependencies(d)
    depends.extend(extra_depends.split())
    depends.extend(boot_depends)
@@ -212,13 +212,13 @@ def get_deployed_dependencies(d):
    # the SSTATE_MANIFESTS for "deploy" task.
    # The manifest file name contains the arch. Because we are not running
    # in the recipe context it is necessary to check every arch used.
-    sstate_manifest_dir = d.getVar("SSTATE_MANIFESTS", True)
+    sstate_manifest_dir = d.getVar("SSTATE_MANIFESTS")
-    sstate_archs = d.getVar("SSTATE_ARCHS", True)
+    sstate_archs = d.getVar("SSTATE_ARCHS")
-    extra_archs = d.getVar("PACKAGE_EXTRA_ARCHS", True)
+    extra_archs = d.getVar("PACKAGE_EXTRA_ARCHS")
    archs = list(set(("%s %s" % (sstate_archs, extra_archs)).split()))
    for dep in depends:
        # Some recipes have an arch on their own, so we try that first.
-        special_arch = d.getVar("PACKAGE_ARCH_pn-%s" % dep, True)
+        special_arch = d.getVar("PACKAGE_ARCH_pn-%s" % dep)
        if special_arch:
            sstate_manifest_file = os.path.join(sstate_manifest_dir,
                    "manifest-%s-%s.deploy" % (special_arch, dep))
@@ -254,7 +254,7 @@ def get_boot_dependencies(d):
                in boot_depends_string.split()
                if not dep.split(":")[0].endswith("-native")]
    for dep in boot_depends:
-        info_file = os.path.join(d.getVar("LICENSE_DIRECTORY", True),
+        info_file = os.path.join(d.getVar("LICENSE_DIRECTORY"),
                dep, "recipeinfo")
        # If the recipe and dependency name is the same
        if os.path.exists(info_file):
@@ -265,7 +265,7 @@ def get_boot_dependencies(d):
                # The fifth field contains what the task provides
                if dep in taskdep[4]:
                    info_file = os.path.join(
-                            d.getVar("LICENSE_DIRECTORY", True),
+                            d.getVar("LICENSE_DIRECTORY"),
                            taskdep[0], "recipeinfo")
                    if os.path.exists(info_file):
                        depends.append(taskdep[0])
@@ -295,7 +295,7 @@ python do_populate_lic() {
    lic_files_paths = find_license_files(d)
    # The base directory we wrangle licenses to
-    destdir = os.path.join(d.getVar('LICSSTATEDIR', True), d.getVar('PN', True))
+    destdir = os.path.join(d.getVar('LICSSTATEDIR'), d.getVar('PN'))
    copy_license_files(lic_files_paths, destdir)
    info = get_recipe_info(d)
    with open(os.path.join(destdir, "recipeinfo"), "w") as f:
@@ -306,11 +306,11 @@ python do_populate_lic() {
 # it would be better to copy them in do_install_append, but find_license_filesa is python
 python perform_packagecopy_prepend () {
    enabled = oe.data.typed_value('LICENSE_CREATE_PACKAGE', d)
-    if d.getVar('CLASSOVERRIDE', True) == 'class-target' and enabled:
+    if d.getVar('CLASSOVERRIDE') == 'class-target' and enabled:
        lic_files_paths = find_license_files(d)
        # LICENSE_FILES_DIRECTORY starts with '/' so os.path.join cannot be used to join D and LICENSE_FILES_DIRECTORY
-        destdir = d.getVar('D', True) + os.path.join(d.getVar('LICENSE_FILES_DIRECTORY', True), d.getVar('PN', True))
+        destdir = d.getVar('D') + os.path.join(d.getVar('LICENSE_FILES_DIRECTORY'), d.getVar('PN'))
        copy_license_files(lic_files_paths, destdir)
        add_package_and_files(d)
 }
@@ -318,15 +318,15 @@ perform_packagecopy[vardeps] += "LICENSE_CREATE_PACKAGE"
 def get_recipe_info(d):
    info = {}
-    info["PV"] = d.getVar("PV", True)
+    info["PV"] = d.getVar("PV")
-    info["PR"] = d.getVar("PR", True)
+    info["PR"] = d.getVar("PR")
-    info["LICENSE"] = d.getVar("LICENSE", True)
+    info["LICENSE"] = d.getVar("LICENSE")
    return info
 def add_package_and_files(d):
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
-    files = d.getVar('LICENSE_FILES_DIRECTORY', True)
+    files = d.getVar('LICENSE_FILES_DIRECTORY')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    pn_lic = "%s%s" % (pn, d.getVar('LICENSE_PACKAGE_SUFFIX', False))
    if pn_lic in packages:
        bb.warn("%s package already existed in %s." % (pn_lic, pn))
@@ -334,7 +334,7 @@ def add_package_and_files(d):
        # first in PACKAGES to be sure that nothing else gets LICENSE_FILES_DIRECTORY
        d.setVar('PACKAGES', "%s %s" % (pn_lic, packages))
        d.setVar('FILES_' + pn_lic, files)
-        rrecommends_pn = d.getVar('RRECOMMENDS_' + pn, True)
+        rrecommends_pn = d.getVar('RRECOMMENDS_' + pn)
        if rrecommends_pn:
            d.setVar('RRECOMMENDS_' + pn, "%s %s" % (pn_lic, rrecommends_pn))
        else:
@@ -390,12 +390,12 @@ def find_license_files(d):
    from collections import defaultdict, OrderedDict
    # All the license files for the package
-    lic_files = d.getVar('LIC_FILES_CHKSUM', True) or ""
+    lic_files = d.getVar('LIC_FILES_CHKSUM') or ""
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    # The license files are located in S/LIC_FILE_CHECKSUM.
-    srcdir = d.getVar('S', True)
+    srcdir = d.getVar('S')
    # Directory we store the generic licenses as set in the distro configuration
-    generic_directory = d.getVar('COMMON_LICENSE_DIR', True)
+    generic_directory = d.getVar('COMMON_LICENSE_DIR')
    # List of basename, path tuples
    lic_files_paths = []
    # Entries from LIC_FILES_CHKSUM
@@ -403,7 +403,7 @@ def find_license_files(d):
    license_source_dirs = []
    license_source_dirs.append(generic_directory)
    try:
-        additional_lic_dirs = d.getVar('LICENSE_PATH', True).split()
+        additional_lic_dirs = d.getVar('LICENSE_PATH').split()
        for lic_dir in additional_lic_dirs:
            license_source_dirs.append(lic_dir)
    except:
@@ -473,18 +473,18 @@ def find_license_files(d):
        try:
            (type, host, path, user, pswd, parm) = bb.fetch.decodeurl(url)
        except bb.fetch.MalformedUrl:
-            bb.fatal("%s: LIC_FILES_CHKSUM contains an invalid URL:  %s" % (d.getVar('PF', True), url))
+            bb.fatal("%s: LIC_FILES_CHKSUM contains an invalid URL:  %s" % (d.getVar('PF'), url))
        # We want the license filename and path
        chksum = parm['md5'] if 'md5' in parm else parm['sha256']
        lic_chksums[path] = chksum
    v = FindVisitor()
    try:
-        v.visit_string(d.getVar('LICENSE', True))
+        v.visit_string(d.getVar('LICENSE'))
    except oe.license.InvalidLicense as exc:
-        bb.fatal('%s: %s' % (d.getVar('PF', True), exc))
+        bb.fatal('%s: %s' % (d.getVar('PF'), exc))
    except SyntaxError:
-        bb.warn("%s: Failed to parse it's LICENSE field." % (d.getVar('PF', True)))
+        bb.warn("%s: Failed to parse it's LICENSE field." % (d.getVar('PF')))
    # Add files from LIC_FILES_CHKSUM to list of license files
    lic_chksum_paths = defaultdict(OrderedDict)
@@ -542,7 +542,7 @@ def expand_wildcard_licenses(d, wildcard_licenses):
 def incompatible_license_contains(license, truevalue, falsevalue, d):
    license = canonical_license(d, license)
-    bad_licenses = (d.getVar('INCOMPATIBLE_LICENSE', True) or "").split()
+    bad_licenses = (d.getVar('INCOMPATIBLE_LICENSE') or "").split()
    bad_licenses = expand_wildcard_licenses(d, bad_licenses)
    return truevalue if license in bad_licenses else falsevalue
@@ -553,9 +553,9 @@ def incompatible_license(d, dont_want_licenses, package=None):
    as canonical (SPDX) names.
    """
    import oe.license
-    license = d.getVar("LICENSE_%s" % package, True) if package else None
+    license = d.getVar("LICENSE_%s" % package) if package else None
    if not license:
-        license = d.getVar('LICENSE', True)
+        license = d.getVar('LICENSE')
    # Handles an "or" or two license sets provided by
    # flattened_licenses(), pick one that works if possible.
@@ -566,7 +566,7 @@ def incompatible_license(d, dont_want_licenses, package=None):
    try:
        licenses = oe.license.flattened_licenses(license, choose_lic_set)
    except oe.license.LicenseError as exc:
-        bb.fatal('%s: %s' % (d.getVar('P', True), exc))
+        bb.fatal('%s: %s' % (d.getVar('P'), exc))
    return any(not oe.license.license_ok(canonical_license(d, l), \
                dont_want_licenses) for l in licenses)
@@ -614,16 +614,16 @@ def check_license_flags(d):
    def all_license_flags_match(license_flags, whitelist):
        """ Return first unmatched flag, None if all flags match """
-        pn = d.getVar('PN', True)
+        pn = d.getVar('PN')
        split_whitelist = whitelist.split()
        for flag in license_flags.split():
            if not license_flag_matches(flag, split_whitelist, pn):
                return flag
        return None
-    license_flags = d.getVar('LICENSE_FLAGS', True)
+    license_flags = d.getVar('LICENSE_FLAGS')
    if license_flags:
-        whitelist = d.getVar('LICENSE_FLAGS_WHITELIST', True)
+        whitelist = d.getVar('LICENSE_FLAGS_WHITELIST')
        if not whitelist:
            return license_flags
        unmatched_flag = all_license_flags_match(license_flags, whitelist)
@@ -637,8 +637,8 @@ def check_license_format(d):
        Validate operators in LICENSES.
        No spaces are allowed between LICENSES.
    """
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
-    licenses = d.getVar('LICENSE', True)
+    licenses = d.getVar('LICENSE')
    from oe.license import license_operator, license_operator_chars, license_pattern
    elements = list(filter(lambda x: x.strip(), license_operator.split(licenses)))
diff --git a/meta/classes/live-vm-common.bbclass b/meta/classes/live-vm-common.bbclass
index 734697f9e6..27b137dec6 100644
--- a/meta/classes/live-vm-common.bbclass
+++ b/meta/classes/live-vm-common.bbclass
@@ -4,11 +4,11 @@ def set_live_vm_vars(d, suffix):
    vars = ['GRUB_CFG', 'SYSLINUX_CFG', 'ROOT', 'LABELS', 'INITRD']
    for var in vars:
        var_with_suffix = var + '_' + suffix
-        if d.getVar(var, True):
+        if d.getVar(var):
            bb.warn('Found potential conflicted var %s, please use %s rather than %s' % \
                (var, var_with_suffix, var))
-        elif d.getVar(var_with_suffix, True):
+        elif d.getVar(var_with_suffix):
-            d.setVar(var, d.getVar(var_with_suffix, True))
+            d.setVar(var, d.getVar(var_with_suffix))
 EFI = "${@bb.utils.contains("MACHINE_FEATURES", "efi", "1", "0", d)}"
@@ -25,7 +25,7 @@ def pcbios(d):
    return pcbios
 PCBIOS = "${@pcbios(d)}"
-PCBIOS_CLASS = "${@['','syslinux'][d.getVar('PCBIOS', True) == '1']}"
+PCBIOS_CLASS = "${@['','syslinux'][d.getVar('PCBIOS') == '1']}"
 inherit ${EFI_CLASS}
 inherit ${PCBIOS_CLASS}
diff --git a/meta/classes/metadata_scm.bbclass b/meta/classes/metadata_scm.bbclass
index 2e6fac209a..fa791f04c4 100644
--- a/meta/classes/metadata_scm.bbclass
+++ b/meta/classes/metadata_scm.bbclass
@@ -26,7 +26,7 @@ def base_detect_branch(d):
    return "<unknown>"
 def base_get_scmbasepath(d):
-    return os.path.join(d.getVar('COREBASE', True), 'meta')
+    return os.path.join(d.getVar('COREBASE'), 'meta')
 def base_get_metadata_monotone_branch(path, d):
    monotone_branch = "<unknown>"
diff --git a/meta/classes/migrate_localcount.bbclass b/meta/classes/migrate_localcount.bbclass
index aa0df8bb76..810a541316 100644
--- a/meta/classes/migrate_localcount.bbclass
+++ b/meta/classes/migrate_localcount.bbclass
@@ -6,12 +6,12 @@ python migrate_localcount_handler () {
    if not e.data:
        return
-    pv = e.data.getVar('PV', True)
+    pv = e.data.getVar('PV')
    if not 'AUTOINC' in pv:
        return
    localcounts = bb.persist_data.persist('BB_URI_LOCALCOUNT', e.data)
-    pn = e.data.getVar('PN', True)
+    pn = e.data.getVar('PN')
    revs = localcounts.get_by_pattern('%%-%s_rev' % pn)
    counts = localcounts.get_by_pattern('%%-%s_count' % pn)
    if not revs or not counts:
@@ -21,10 +21,10 @@ python migrate_localcount_handler () {
        bb.warn("The number of revs and localcounts don't match in %s" % pn)
        return
-    version = e.data.getVar('PRAUTOINX', True)
+    version = e.data.getVar('PRAUTOINX')
    srcrev = bb.fetch2.get_srcrev(e.data)
    base_ver = 'AUTOINC-%s' % version[:version.find(srcrev)]
-    pkgarch = e.data.getVar('PACKAGE_ARCH', True)
+    pkgarch = e.data.getVar('PACKAGE_ARCH')
    value = max(int(count) for count in counts)
    if len(revs) == 1:
@@ -33,8 +33,8 @@ python migrate_localcount_handler () {
    else:
        value += 1
-    bb.utils.mkdirhier(e.data.getVar('PRSERV_DUMPDIR', True))
+    bb.utils.mkdirhier(e.data.getVar('PRSERV_DUMPDIR'))
-    df = e.data.getVar('LOCALCOUNT_DUMPFILE', True)
+    df = e.data.getVar('LOCALCOUNT_DUMPFILE')
    flock = bb.utils.lockfile("%s.lock" % df)
    with open(df, 'a') as fd:
        fd.write('PRAUTO$%s$%s$%s = "%s"\n' %
diff --git a/meta/classes/mime.bbclass b/meta/classes/mime.bbclass
index 721c73fcff..6cd59af391 100644
--- a/meta/classes/mime.bbclass
+++ b/meta/classes/mime.bbclass
@@ -28,8 +28,8 @@ fi
 python populate_packages_append () {
    import re
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
-    pkgdest =  d.getVar('PKGDEST', True)
+    pkgdest =  d.getVar('PKGDEST')
    for pkg in packages:
        mime_dir = '%s/%s/usr/share/mime/packages' % (pkgdest, pkg)
@@ -41,15 +41,15 @@ python populate_packages_append () {
                    mimes.append(f)
        if mimes:
            bb.note("adding mime postinst and postrm scripts to %s" % pkg)
-            postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+            postinst = d.getVar('pkg_postinst_%s' % pkg)
            if not postinst:
                postinst = '#!/bin/sh\n'
-            postinst += d.getVar('mime_postinst', True)
+            postinst += d.getVar('mime_postinst')
            d.setVar('pkg_postinst_%s' % pkg, postinst)
-            postrm = d.getVar('pkg_postrm_%s' % pkg, True)
+            postrm = d.getVar('pkg_postrm_%s' % pkg)
            if not postrm:
                postrm = '#!/bin/sh\n'
-            postrm += d.getVar('mime_postrm', True)
+            postrm += d.getVar('mime_postrm')
            d.setVar('pkg_postrm_%s' % pkg, postrm)
            bb.note("adding shared-mime-info-data dependency to %s" % pkg)
            d.appendVar('RDEPENDS_' + pkg, " shared-mime-info-data")
diff --git a/meta/classes/module.bbclass b/meta/classes/module.bbclass
index 68e3d341a3..95d42da9e7 100644
--- a/meta/classes/module.bbclass
+++ b/meta/classes/module.bbclass
@@ -9,7 +9,7 @@ EXTRA_OEMAKE += "KERNEL_SRC=${STAGING_KERNEL_DIR}"
 MODULES_INSTALL_TARGET ?= "modules_install"
 python __anonymous () {
-    depends = d.getVar('DEPENDS', True)
+    depends = d.getVar('DEPENDS')
    extra_symbols = []
    for dep in depends.split():
        if dep.startswith("kernel-module-"):
diff --git a/meta/classes/multilib.bbclass b/meta/classes/multilib.bbclass
index d5a31287a8..498f7f5735 100644
--- a/meta/classes/multilib.bbclass
+++ b/meta/classes/multilib.bbclass
@@ -1,20 +1,20 @@
 python multilib_virtclass_handler () {
-    cls = e.data.getVar("BBEXTENDCURR", True)
+    cls = e.data.getVar("BBEXTENDCURR")
-    variant = e.data.getVar("BBEXTENDVARIANT", True)
+    variant = e.data.getVar("BBEXTENDVARIANT")
    if cls != "multilib" or not variant:
        return
-    e.data.setVar('STAGING_KERNEL_DIR', e.data.getVar('STAGING_KERNEL_DIR', True))
+    e.data.setVar('STAGING_KERNEL_DIR', e.data.getVar('STAGING_KERNEL_DIR'))
    # There should only be one kernel in multilib configs
    # We also skip multilib setup for module packages.
-    provides = (e.data.getVar("PROVIDES", True) or "").split()
+    provides = (e.data.getVar("PROVIDES") or "").split()
    if "virtual/kernel" in provides or bb.data.inherits_class('module-base', e.data):
        raise bb.parse.SkipPackage("We shouldn't have multilib variants for the kernel")
-    save_var_name=e.data.getVar("MULTILIB_SAVE_VARNAME", True) or ""
+    save_var_name=e.data.getVar("MULTILIB_SAVE_VARNAME") or ""
    for name in save_var_name.split():
-        val=e.data.getVar(name, True)
+        val=e.data.getVar(name)
        if val:
            e.data.setVar(name + "_MULTILIB_ORIGINAL", val)
@@ -26,7 +26,7 @@ python multilib_virtclass_handler () {
    if bb.data.inherits_class('image', e.data):
        e.data.setVar("MLPREFIX", variant + "-")
        e.data.setVar("PN", variant + "-" + e.data.getVar("PN", False))
-        e.data.setVar('SDKTARGETSYSROOT', e.data.getVar('SDKTARGETSYSROOT', True))
+        e.data.setVar('SDKTARGETSYSROOT', e.data.getVar('SDKTARGETSYSROOT'))
        target_vendor = e.data.getVar("TARGET_VENDOR_" + "virtclass-multilib-" + variant, False)
        if target_vendor:
            e.data.setVar("TARGET_VENDOR", target_vendor)
@@ -50,7 +50,7 @@ python multilib_virtclass_handler () {
    # Expand this since this won't work correctly once we set a multilib into place
-    e.data.setVar("ALL_MULTILIB_PACKAGE_ARCHS", e.data.getVar("ALL_MULTILIB_PACKAGE_ARCHS", True))
+    e.data.setVar("ALL_MULTILIB_PACKAGE_ARCHS", e.data.getVar("ALL_MULTILIB_PACKAGE_ARCHS"))
 
    override = ":virtclass-multilib-" + variant
@@ -60,7 +60,7 @@ python multilib_virtclass_handler () {
    # Expand the WHITELISTs with multilib prefix
    for whitelist in ["WHITELIST_GPL-3.0", "LGPLv2_WHITELIST_GPL-3.0"]:
-        pkgs = e.data.getVar(whitelist, True)
+        pkgs = e.data.getVar(whitelist)
        for pkg in pkgs.split():
            pkgs += " " + variant + "-" + pkg
        e.data.setVar(whitelist, pkgs)
@@ -78,7 +78,7 @@ multilib_virtclass_handler[eventmask] = "bb.event.RecipePreFinalise"
 STAGINGCC_prepend = "${BBEXTENDVARIANT}-"
 python __anonymous () {
-    variant = d.getVar("BBEXTENDVARIANT", True)
+    variant = d.getVar("BBEXTENDVARIANT")
    import oe.classextend
@@ -88,7 +88,7 @@ python __anonymous () {
        clsextend.map_depends_variable("PACKAGE_INSTALL")
        clsextend.map_depends_variable("LINGUAS_INSTALL")
        clsextend.map_depends_variable("RDEPENDS")
-        pinstall = d.getVar("LINGUAS_INSTALL", True) + " " + d.getVar("PACKAGE_INSTALL", True)
+        pinstall = d.getVar("LINGUAS_INSTALL") + " " + d.getVar("PACKAGE_INSTALL")
        d.setVar("PACKAGE_INSTALL", pinstall)
        d.setVar("LINGUAS_INSTALL", "")
        # FIXME, we need to map this to something, not delete it!
@@ -104,7 +104,7 @@ python __anonymous () {
        return
    clsextend.rename_packages()
-    clsextend.rename_package_variables((d.getVar("PACKAGEVARS", True) or "").split())
+    clsextend.rename_package_variables((d.getVar("PACKAGEVARS") or "").split())
    clsextend.map_packagevars()
    clsextend.map_regexp_variable("PACKAGES_DYNAMIC")
@@ -119,7 +119,7 @@ PACKAGEFUNCS_append = " do_package_qa_multilib"
 python do_package_qa_multilib() {
    def check_mlprefix(pkg, var, mlprefix):
-        values = bb.utils.explode_deps(d.getVar('%s_%s' % (var, pkg), True) or d.getVar(var, True) or "")
+        values = bb.utils.explode_deps(d.getVar('%s_%s' % (var, pkg), True) or d.getVar(var) or "")
        candidates = []
        for i in values:
            if i.startswith('virtual/'):
@@ -130,14 +130,14 @@ python do_package_qa_multilib() {
                candidates.append(i)
        if len(candidates) > 0:
            msg = "%s package %s - suspicious values '%s' in %s" \
-                   % (d.getVar('PN', True), pkg, ' '.join(candidates), var)
+                   % (d.getVar('PN'), pkg, ' '.join(candidates), var)
            package_qa_handle_error("multilib", msg, d)
-    ml = d.getVar('MLPREFIX', True)
+    ml = d.getVar('MLPREFIX')
    if not ml:
        return
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
    for pkg in packages.split():
        check_mlprefix(pkg, 'RDEPENDS', ml)
        check_mlprefix(pkg, 'RPROVIDES', ml)
diff --git a/meta/classes/multilib_global.bbclass b/meta/classes/multilib_global.bbclass
index 11ae2681f0..aba0371648 100644
--- a/meta/classes/multilib_global.bbclass
+++ b/meta/classes/multilib_global.bbclass
@@ -1,7 +1,7 @@
 def preferred_ml_updates(d):
    # If any PREFERRED_PROVIDER or PREFERRED_VERSION are set,
    # we need to mirror these variables in the multilib case;
-    multilibs = d.getVar('MULTILIBS', True) or ""
+    multilibs = d.getVar('MULTILIBS') or ""
    if not multilibs:
        return
@@ -102,7 +102,7 @@ def preferred_ml_updates(d):
        prov = prov.replace("virtual/", "")
        return "virtual/" + prefix + "-" + prov
-    mp = (d.getVar("MULTI_PROVIDER_WHITELIST", True) or "").split()
+    mp = (d.getVar("MULTI_PROVIDER_WHITELIST") or "").split()
    extramp = []
    for p in mp:
        if p.endswith("-native") or "-crosssdk-" in p or p.startswith(("nativesdk-", "virtual/nativesdk-")) or 'cross-canadian' in p:
@@ -111,14 +111,14 @@ def preferred_ml_updates(d):
            extramp.append(translate_provide(pref, p))
    d.setVar("MULTI_PROVIDER_WHITELIST", " ".join(mp + extramp))
-    abisafe = (d.getVar("SIGGEN_EXCLUDERECIPES_ABISAFE", True) or "").split()
+    abisafe = (d.getVar("SIGGEN_EXCLUDERECIPES_ABISAFE") or "").split()
    extras = []
    for p in prefixes:
        for a in abisafe:
            extras.append(p + "-" + a)
    d.appendVar("SIGGEN_EXCLUDERECIPES_ABISAFE", " " + " ".join(extras))
-    siggen_exclude = (d.getVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS", True) or "").split()
+    siggen_exclude = (d.getVar("SIGGEN_EXCLUDE_SAFE_RECIPE_DEPS") or "").split()
    extras = []
    for p in prefixes:
        for a in siggen_exclude:
@@ -128,7 +128,7 @@ def preferred_ml_updates(d):
 python multilib_virtclass_handler_vendor () {
    if isinstance(e, bb.event.ConfigParsed):
-        for v in e.data.getVar("MULTILIB_VARIANTS", True).split():
+        for v in e.data.getVar("MULTILIB_VARIANTS").split():
            if e.data.getVar("TARGET_VENDOR_virtclass-multilib-" + v, False) is None:
                e.data.setVar("TARGET_VENDOR_virtclass-multilib-" + v, e.data.getVar("TARGET_VENDOR", False) + "ml" + v)
        preferred_ml_updates(e.data)
@@ -140,14 +140,14 @@ python multilib_virtclass_handler_global () {
    if not e.data:
        return
-    variant = e.data.getVar("BBEXTENDVARIANT", True)
+    variant = e.data.getVar("BBEXTENDVARIANT")
    if isinstance(e, bb.event.RecipeParsed) and not variant:
        if bb.data.inherits_class('kernel', e.data) or \
            bb.data.inherits_class('module-base', e.data) or \
            (bb.data.inherits_class('allarch', e.data) and\
             not bb.data.inherits_class('packagegroup', e.data)):
-            variants = (e.data.getVar("MULTILIB_VARIANTS", True) or "").split()
+            variants = (e.data.getVar("MULTILIB_VARIANTS") or "").split()
            import oe.classextend
            clsextends = []
@@ -155,21 +155,21 @@ python multilib_virtclass_handler_global () {
                clsextends.append(oe.classextend.ClassExtender(variant, e.data))
            # Process PROVIDES
-            origprovs = provs = e.data.getVar("PROVIDES", True) or ""
+            origprovs = provs = e.data.getVar("PROVIDES") or ""
            for clsextend in clsextends:
                provs = provs + " " + clsextend.map_variable("PROVIDES", setvar=False)
            e.data.setVar("PROVIDES", provs)
            # Process RPROVIDES
-            origrprovs = rprovs = e.data.getVar("RPROVIDES", True) or ""
+            origrprovs = rprovs = e.data.getVar("RPROVIDES") or ""
            for clsextend in clsextends:
                rprovs = rprovs + " " + clsextend.map_variable("RPROVIDES", setvar=False)
            if rprovs.strip():
                e.data.setVar("RPROVIDES", rprovs)
            # Process RPROVIDES_${PN}...
-            for pkg in (e.data.getVar("PACKAGES", True) or "").split():
+            for pkg in (e.data.getVar("PACKAGES") or "").split():
-                origrprovs = rprovs = e.data.getVar("RPROVIDES_%s" % pkg, True) or ""
+                origrprovs = rprovs = e.data.getVar("RPROVIDES_%s" % pkg) or ""
                for clsextend in clsextends:
                    rprovs = rprovs + " " + clsextend.map_variable("RPROVIDES_%s" % pkg, setvar=False)
                    rprovs = rprovs + " " + clsextend.extname + "-" + pkg
diff --git a/meta/classes/native.bbclass b/meta/classes/native.bbclass
index 143f8a9147..5592e1d1c1 100644
--- a/meta/classes/native.bbclass
+++ b/meta/classes/native.bbclass
@@ -116,18 +116,18 @@ MACHINEOVERRIDES = ""
 PATH_prepend = "${COREBASE}/scripts/native-intercept:"
 python native_virtclass_handler () {
-    classextend = e.data.getVar('BBCLASSEXTEND', True) or ""
+    classextend = e.data.getVar('BBCLASSEXTEND') or ""
    if "native" not in classextend:
        return
-    pn = e.data.getVar("PN", True)
+    pn = e.data.getVar("PN")
    if not pn.endswith("-native"):
        return
    def map_dependencies(varname, d, suffix = ""):
        if suffix:
            varname = varname + "_" + suffix
-        deps = d.getVar(varname, True)
+        deps = d.getVar(varname)
        if not deps:
            return
        deps = bb.utils.explode_deps(deps)
@@ -146,14 +146,14 @@ python native_virtclass_handler () {
    e.data.setVar("OVERRIDES", e.data.getVar("OVERRIDES", False) + ":virtclass-native")
    map_dependencies("DEPENDS", e.data)
-    for pkg in [e.data.getVar("PN", True), "", "${PN}"]:
+    for pkg in [e.data.getVar("PN"), "", "${PN}"]:
        map_dependencies("RDEPENDS", e.data, pkg)
        map_dependencies("RRECOMMENDS", e.data, pkg)
        map_dependencies("RSUGGESTS", e.data, pkg)
        map_dependencies("RPROVIDES", e.data, pkg)
        map_dependencies("RREPLACES", e.data, pkg)
-    provides = e.data.getVar("PROVIDES", True)
+    provides = e.data.getVar("PROVIDES")
    nprovides = []
    for prov in provides.split():
        if prov.find(pn) != -1:
diff --git a/meta/classes/nativesdk.bbclass b/meta/classes/nativesdk.bbclass
index 31dde4a90f..2ac8fd82ed 100644
--- a/meta/classes/nativesdk.bbclass
+++ b/meta/classes/nativesdk.bbclass
@@ -64,17 +64,17 @@ export PKG_CONFIG_DIR = "${STAGING_DIR_HOST}${libdir}/pkgconfig"
 export PKG_CONFIG_SYSROOT_DIR = "${STAGING_DIR_HOST}"
 python nativesdk_virtclass_handler () {
-    pn = e.data.getVar("PN", True)
+    pn = e.data.getVar("PN")
    if not (pn.endswith("-nativesdk") or pn.startswith("nativesdk-")):
        return
    e.data.setVar("MLPREFIX", "nativesdk-")
-    e.data.setVar("PN", "nativesdk-" + e.data.getVar("PN", True).replace("-nativesdk", "").replace("nativesdk-", ""))
+    e.data.setVar("PN", "nativesdk-" + e.data.getVar("PN").replace("-nativesdk", "").replace("nativesdk-", ""))
    e.data.setVar("OVERRIDES", e.data.getVar("OVERRIDES", False) + ":virtclass-nativesdk")
 }
 python () {
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
    if not pn.startswith("nativesdk-"):
        return
@@ -82,7 +82,7 @@ python () {
    clsextend = oe.classextend.NativesdkClassExtender("nativesdk", d)
    clsextend.rename_packages()
-    clsextend.rename_package_variables((d.getVar("PACKAGEVARS", True) or "").split())
+    clsextend.rename_package_variables((d.getVar("PACKAGEVARS") or "").split())
    clsextend.map_depends_variable("DEPENDS")
    clsextend.map_packagevars()
diff --git a/meta/classes/npm.bbclass b/meta/classes/npm.bbclass
index 43228c57d3..1c778a7637 100644
--- a/meta/classes/npm.bbclass
+++ b/meta/classes/npm.bbclass
@@ -13,7 +13,7 @@ def npm_oe_arch_map(target_arch, d):
    elif re.match('arm64$', target_arch): return 'arm'
    return target_arch
-NPM_ARCH ?= "${@npm_oe_arch_map(d.getVar('TARGET_ARCH', True), d)}"
+NPM_ARCH ?= "${@npm_oe_arch_map(d.getVar('TARGET_ARCH'), d)}"
 npm_do_compile() {
        # Copy in any additionally fetched modules
@@ -59,7 +59,7 @@ python populate_packages_prepend () {
            description = pdata.get('description', None)
            if description:
                d.setVar('SUMMARY_%s' % expanded_pkgname, description.replace(u"\u2018", "'").replace(u"\u2019", "'"))
-    d.appendVar('RDEPENDS_%s' % d.getVar('PN', True), ' %s' % ' '.join(pkgnames).replace('_', '-'))
+    d.appendVar('RDEPENDS_%s' % d.getVar('PN'), ' %s' % ' '.join(pkgnames).replace('_', '-'))
 }
 FILES_${PN} += " \
diff --git a/meta/classes/oelint.bbclass b/meta/classes/oelint.bbclass
index c4febc2cfa..2589d34059 100644
--- a/meta/classes/oelint.bbclass
+++ b/meta/classes/oelint.bbclass
@@ -1,7 +1,7 @@
 addtask lint before do_build
 do_lint[nostamp] = "1"
 python do_lint() {
-    pkgname = d.getVar("PN", True)
+    pkgname = d.getVar("PN")
    ##############################
    # Test that DESCRIPTION exists
@@ -35,7 +35,7 @@ python do_lint() {
    # Check that all patches have Signed-off-by and Upstream-Status
    #
    srcuri = d.getVar("SRC_URI", False).split()
-    fpaths = (d.getVar('FILESPATH', True) or '').split(':')
+    fpaths = (d.getVar('FILESPATH') or '').split(':')
    def findPatch(patchname):
        for dir in fpaths:
diff --git a/meta/classes/package.bbclass b/meta/classes/package.bbclass
index a6f0a7a63d..27034653b8 100644
--- a/meta/classes/package.bbclass
+++ b/meta/classes/package.bbclass
@@ -120,7 +120,7 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
    """
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
    root = d.expand(root)
    output_pattern = d.expand(output_pattern)
    extra_depends = d.expand(extra_depends)
@@ -130,7 +130,7 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
    if not os.path.exists(dvar + root):
        return []
-    ml = d.getVar("MLPREFIX", True)
+    ml = d.getVar("MLPREFIX")
    if ml:
        if not output_pattern.startswith(ml):
            output_pattern = ml + output_pattern
@@ -145,7 +145,7 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
            extra_depends = " ".join(newdeps)
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
    split_packages = set()
    if postinst:
@@ -163,7 +163,7 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
                    objs.append(relpath)
    if extra_depends == None:
-        extra_depends = d.getVar("PN", True)
+        extra_depends = d.getVar("PN")
    if not summary:
        summary = description
@@ -189,7 +189,7 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
                packages = [pkg] + packages
            else:
                packages.append(pkg)
-        oldfiles = d.getVar('FILES_' + pkg, True)
+        oldfiles = d.getVar('FILES_' + pkg)
        newfile = os.path.join(root, o)
        # These names will be passed through glob() so if the filename actually
        # contains * or ? (rare, but possible) we need to handle that specially
@@ -214,9 +214,9 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
            d.setVar('FILES_' + pkg, oldfiles + " " + newfile)
        if extra_depends != '':
            d.appendVar('RDEPENDS_' + pkg, ' ' + extra_depends)
-        if not d.getVar('DESCRIPTION_' + pkg, True):
+        if not d.getVar('DESCRIPTION_' + pkg):
            d.setVar('DESCRIPTION_' + pkg, description % on)
-        if not d.getVar('SUMMARY_' + pkg, True):
+        if not d.getVar('SUMMARY_' + pkg):
            d.setVar('SUMMARY_' + pkg, summary % on)
        if postinst:
            d.setVar('pkg_postinst_' + pkg, postinst)
@@ -231,9 +231,9 @@ def do_split_packages(d, root, file_regex, output_pattern, description, postinst
 PACKAGE_DEPENDS += "file-native"
 python () {
-    if d.getVar('PACKAGES', True) != '':
+    if d.getVar('PACKAGES') != '':
        deps = ""
-        for dep in (d.getVar('PACKAGE_DEPENDS', True) or "").split():
+        for dep in (d.getVar('PACKAGE_DEPENDS') or "").split():
            deps += " %s:do_populate_sysroot" % dep
        d.appendVarFlag('do_package', 'depends', deps)
@@ -286,14 +286,14 @@ def files_from_filevars(filevars):
 # Called in package_<rpm,ipk,deb>.bbclass to get the correct list of configuration files
 def get_conffiles(pkg, d):
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    root = os.path.join(pkgdest, pkg)
    cwd = os.getcwd()
    os.chdir(root)
-    conffiles = d.getVar('CONFFILES_%s' % pkg, True);
+    conffiles = d.getVar('CONFFILES_%s' % pkg);
    if conffiles == None:
-        conffiles = d.getVar('CONFFILES', True)
+        conffiles = d.getVar('CONFFILES')
    if conffiles == None:
        conffiles = ""
    conffiles = conffiles.split()
@@ -318,7 +318,7 @@ def get_conffiles(pkg, d):
    return conf_list
 def checkbuildpath(file, d):
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    with open(file) as f:
        file_content = f.read()
        if tmpdir in file_content:
@@ -335,8 +335,8 @@ def splitdebuginfo(file, debugfile, debugsrcdir, sourcefile, d):
    import stat
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
-    objcopy = d.getVar("OBJCOPY", True)
+    objcopy = d.getVar("OBJCOPY")
    debugedit = d.expand("${STAGING_LIBDIR_NATIVE}/rpm/bin/debugedit")
    # We ignore kernel modules, we don't generate debug info files.
@@ -382,11 +382,11 @@ def copydebugsources(debugsrcdir, d):
    sourcefile = d.expand("${WORKDIR}/debugsources.list")
    if debugsrcdir and os.path.isfile(sourcefile):
-        dvar = d.getVar('PKGD', True)
+        dvar = d.getVar('PKGD')
-        strip = d.getVar("STRIP", True)
+        strip = d.getVar("STRIP")
-        objcopy = d.getVar("OBJCOPY", True)
+        objcopy = d.getVar("OBJCOPY")
        debugedit = d.expand("${STAGING_LIBDIR_NATIVE}/rpm/bin/debugedit")
-        workdir = d.getVar("WORKDIR", True)
+        workdir = d.getVar("WORKDIR")
        workparentdir = os.path.dirname(os.path.dirname(workdir))
        workbasedir = os.path.basename(os.path.dirname(workdir)) + "/" + os.path.basename(workdir)
@@ -468,20 +468,20 @@ def get_package_additional_metadata (pkg_type, d):
        return "\n".join(metadata_fields).strip()
 def runtime_mapping_rename (varname, pkg, d):
-    #bb.note("%s before: %s" % (varname, d.getVar(varname, True)))
+    #bb.note("%s before: %s" % (varname, d.getVar(varname)))
    if bb.data.inherits_class('packagegroup', d):
        return
    new_depends = {}
-    deps = bb.utils.explode_dep_versions2(d.getVar(varname, True) or "")
+    deps = bb.utils.explode_dep_versions2(d.getVar(varname) or "")
    for depend in deps:
        new_depend = get_package_mapping(depend, pkg, d)
        new_depends[new_depend] = deps[depend]
    d.setVar(varname, bb.utils.join_deps(new_depends, commasep=False))
-    #bb.note("%s after: %s" % (varname, d.getVar(varname, True)))
+    #bb.note("%s after: %s" % (varname, d.getVar(varname)))
 #
 # Package functions suitable for inclusion in PACKAGEFUNCS
@@ -492,34 +492,34 @@ python package_get_auto_pr() {
    import re
    # Support per recipe PRSERV_HOST
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
-    host = d.getVar("PRSERV_HOST_" + pn, True)
+    host = d.getVar("PRSERV_HOST_" + pn)
    if not (host is None):
        d.setVar("PRSERV_HOST", host)
-    pkgv = d.getVar("PKGV", True)
+    pkgv = d.getVar("PKGV")
    # PR Server not active, handle AUTOINC
-    if not d.getVar('PRSERV_HOST', True):
+    if not d.getVar('PRSERV_HOST'):
        if 'AUTOINC' in pkgv:
            d.setVar("PKGV", pkgv.replace("AUTOINC", "0"))
        return
    auto_pr = None
-    pv = d.getVar("PV", True)
+    pv = d.getVar("PV")
-    version = d.getVar("PRAUTOINX", True)
+    version = d.getVar("PRAUTOINX")
-    pkgarch = d.getVar("PACKAGE_ARCH", True)
+    pkgarch = d.getVar("PACKAGE_ARCH")
-    checksum = d.getVar("BB_TASKHASH", True)
+    checksum = d.getVar("BB_TASKHASH")
-    if d.getVar('PRSERV_LOCKDOWN', True):
+    if d.getVar('PRSERV_LOCKDOWN'):
-        auto_pr = d.getVar('PRAUTO_' + version + '_' + pkgarch, True) or d.getVar('PRAUTO_' + version, True) or None
+        auto_pr = d.getVar('PRAUTO_' + version + '_' + pkgarch) or d.getVar('PRAUTO_' + version) or None
        if auto_pr is None:
            bb.fatal("Can NOT get PRAUTO from lockdown exported file")
        d.setVar('PRAUTO',str(auto_pr))
        return
    try:
-        conn = d.getVar("__PRSERV_CONN", True)
+        conn = d.getVar("__PRSERV_CONN")
        if conn is None:
            conn = oe.prservice.prserv_make_conn(d)
        if conn is not None:
@@ -540,19 +540,19 @@ python package_get_auto_pr() {
 LOCALEBASEPN ??= "${PN}"
 python package_do_split_locales() {
-    if (d.getVar('PACKAGE_NO_LOCALE', True) == '1'):
+    if (d.getVar('PACKAGE_NO_LOCALE') == '1'):
        bb.debug(1, "package requested not splitting locales")
        return
-    packages = (d.getVar('PACKAGES', True) or "").split()
+    packages = (d.getVar('PACKAGES') or "").split()
-    datadir = d.getVar('datadir', True)
+    datadir = d.getVar('datadir')
    if not datadir:
        bb.note("datadir not defined")
        return
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
-    pn = d.getVar('LOCALEBASEPN', True)
+    pn = d.getVar('LOCALEBASEPN')
    if pn + '-locale' in packages:
        packages.remove(pn + '-locale')
@@ -565,10 +565,10 @@ python package_do_split_locales() {
    locales = os.listdir(localedir)
-    summary = d.getVar('SUMMARY', True) or pn
+    summary = d.getVar('SUMMARY') or pn
-    description = d.getVar('DESCRIPTION', True) or ""
+    description = d.getVar('DESCRIPTION') or ""
-    locale_section = d.getVar('LOCALE_SECTION', True)
+    locale_section = d.getVar('LOCALE_SECTION')
-    mlprefix = d.getVar('MLPREFIX', True) or ""
+    mlprefix = d.getVar('MLPREFIX') or ""
    for l in sorted(locales):
        ln = legitimize_package_name(l)
        pkg = pn + '-locale-' + ln
@@ -589,14 +589,14 @@ python package_do_split_locales() {
    # glibc-localedata-translit* won't install as a dependency
    # for some other package which breaks meta-toolchain
    # Probably breaks since virtual-locale- isn't provided anywhere
-    #rdep = (d.getVar('RDEPENDS_%s' % pn, True) or "").split()
+    #rdep = (d.getVar('RDEPENDS_%s' % pn) or "").split()
    #rdep.append('%s-locale*' % pn)
    #d.setVar('RDEPENDS_%s' % pn, ' '.join(rdep))
 }
 python perform_packagecopy () {
-    dest = d.getVar('D', True)
+    dest = d.getVar('D')
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
    # Start by package population by taking a copy of the installed
    # files to operate on
@@ -730,8 +730,8 @@ python fixup_perms () {
    # paths are resolved via BBPATH
    def get_fs_perms_list(d):
        str = ""
-        bbpath = d.getVar('BBPATH', True)
+        bbpath = d.getVar('BBPATH')
-        fs_perms_tables = d.getVar('FILESYSTEM_PERMS_TABLES', True)
+        fs_perms_tables = d.getVar('FILESYSTEM_PERMS_TABLES')
        if not fs_perms_tables:
            fs_perms_tables = 'files/fs-perms.txt'
        for conf_file in fs_perms_tables.split():
@@ -740,7 +740,7 @@ python fixup_perms () {
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
    fs_perms_table = {}
    fs_link_table = {}
@@ -769,7 +769,7 @@ python fixup_perms () {
                'oldincludedir' ]
    for path in target_path_vars:
-        dir = d.getVar(path, True) or ""
+        dir = d.getVar(path) or ""
        if dir == "":
            continue
        fs_perms_table[dir] = fs_perms_entry(bb.data.expand("%s 0755 root root false - - -" % (dir), d))
@@ -854,20 +854,20 @@ python fixup_perms () {
 python split_and_strip_files () {
    import stat, errno
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    oldcwd = os.getcwd()
    os.chdir(dvar)
    # We default to '.debug' style
-    if d.getVar('PACKAGE_DEBUG_SPLIT_STYLE', True) == 'debug-file-directory':
+    if d.getVar('PACKAGE_DEBUG_SPLIT_STYLE') == 'debug-file-directory':
        # Single debug-file-directory style debug info
        debugappend = ".debug"
        debugdir = ""
        debuglibdir = "/usr/lib/debug"
        debugsrcdir = "/usr/src/debug"
-    elif d.getVar('PACKAGE_DEBUG_SPLIT_STYLE', True) == 'debug-without-src':
+    elif d.getVar('PACKAGE_DEBUG_SPLIT_STYLE') == 'debug-without-src':
        # Original OE-core, a.k.a. ".debug", style debug info, but without sources in /usr/src/debug
        debugappend = ""
        debugdir = "/.debug"
@@ -918,10 +918,10 @@ python split_and_strip_files () {
    symlinks = {}
    kernmods = []
    inodes = {}
-    libdir = os.path.abspath(dvar + os.sep + d.getVar("libdir", True))
+    libdir = os.path.abspath(dvar + os.sep + d.getVar("libdir"))
-    baselibdir = os.path.abspath(dvar + os.sep + d.getVar("base_libdir", True))
+    baselibdir = os.path.abspath(dvar + os.sep + d.getVar("base_libdir"))
-    if (d.getVar('INHIBIT_PACKAGE_STRIP', True) != '1' or \
+    if (d.getVar('INHIBIT_PACKAGE_STRIP') != '1' or \
-            d.getVar('INHIBIT_PACKAGE_DEBUG_SPLIT', True) != '1'):
+            d.getVar('INHIBIT_PACKAGE_DEBUG_SPLIT') != '1'):
        for root, dirs, files in cpath.walk(dvar):
            for f in files:
                file = os.path.join(root, f)
@@ -962,7 +962,7 @@ python split_and_strip_files () {
                    elf_file = isELF(file)
                    if elf_file & 1:
                        if elf_file & 2:
-                            if 'already-stripped' in (d.getVar('INSANE_SKIP_' + pn, True) or "").split():
+                            if 'already-stripped' in (d.getVar('INSANE_SKIP_' + pn) or "").split():
                                bb.note("Skipping file %s from %s for already-stripped QA test" % (file[len(dvar):], pn))
                            else:
                                msg = "File '%s' from %s was already stripped, this will prevent future debugging!" % (file[len(dvar):], pn)
@@ -991,7 +991,7 @@ python split_and_strip_files () {
    #
    # First lets process debug splitting
    #
-    if (d.getVar('INHIBIT_PACKAGE_DEBUG_SPLIT', True) != '1'):
+    if (d.getVar('INHIBIT_PACKAGE_DEBUG_SPLIT') != '1'):
        for file in elffiles:
            src = file[len(dvar):]
            dest = debuglibdir + os.path.dirname(src) + debugdir + "/" + os.path.basename(src) + debugappend
@@ -1054,8 +1054,8 @@ python split_and_strip_files () {
    #
    # Now lets go back over things and strip them
    #
-    if (d.getVar('INHIBIT_PACKAGE_STRIP', True) != '1'):
+    if (d.getVar('INHIBIT_PACKAGE_STRIP') != '1'):
-        strip = d.getVar("STRIP", True)
+        strip = d.getVar("STRIP")
        sfiles = []
        for file in elffiles:
            elf_file = int(elffiles[file])
@@ -1075,16 +1075,16 @@ python split_and_strip_files () {
 python populate_packages () {
    import glob, re
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
-    outdir = d.getVar('DEPLOY_DIR', True)
+    outdir = d.getVar('DEPLOY_DIR')
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    bb.utils.mkdirhier(outdir)
    os.chdir(dvar)
    
-    autodebug = not (d.getVar("NOAUTOPACKAGEDEBUG", True) or False)
+    autodebug = not (d.getVar("NOAUTOPACKAGEDEBUG") or False)
    # Sanity check PACKAGES for duplicates
    # Sanity should be moved to sanity.bbclass once we have the infrastucture
@@ -1099,7 +1099,7 @@ python populate_packages () {
        else:
            package_list.append(pkg)
    d.setVar('PACKAGES', ' '.join(package_list))
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    seen = []
@@ -1120,7 +1120,7 @@ python populate_packages () {
        root = os.path.join(pkgdest, pkg)
        bb.utils.mkdirhier(root)
-        filesvar = d.getVar('FILES_%s' % pkg, True) or ""
+        filesvar = d.getVar('FILES_%s' % pkg) or ""
        if "//" in filesvar:
            msg = "FILES variable for package %s contains '//' which is invalid. Attempting to fix this but you should correct the metadata.\n" % pkg
            package_qa_handle_error("files-invalid", msg, d)
@@ -1188,7 +1188,7 @@ python populate_packages () {
    # Handle LICENSE_EXCLUSION
    package_list = []
    for pkg in packages.split():
-        if d.getVar('LICENSE_EXCLUSION-' + pkg, True):
+        if d.getVar('LICENSE_EXCLUSION-' + pkg):
            msg = "%s has an incompatible license. Excluding from packaging." % pkg
            package_qa_handle_error("incompatible-license", msg, d)
        else:
@@ -1207,7 +1207,7 @@ python populate_packages () {
    if unshipped != []:
        msg = pn + ": Files/directories were installed but not shipped in any package:"
-        if "installed-vs-shipped" in (d.getVar('INSANE_SKIP_' + pn, True) or "").split():
+        if "installed-vs-shipped" in (d.getVar('INSANE_SKIP_' + pn) or "").split():
            bb.note("Package %s skipping QA tests: installed-vs-shipped" % pn)
        else:
            for f in unshipped:
@@ -1220,7 +1220,7 @@ populate_packages[dirs] = "${D}"
 python package_fixsymlinks () {
    import errno
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    packages = d.getVar("PACKAGES", False).split()
    dangling_links = {}
@@ -1255,7 +1255,7 @@ python package_fixsymlinks () {
                bb.note("%s contains dangling symlink to %s" % (pkg, l))
    for pkg in newrdepends:
-        rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS_' + pkg, True) or "")
+        rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS_' + pkg) or "")
        for p in newrdepends[pkg]:
            if p not in rdepends:
                rdepends[p] = []
@@ -1309,9 +1309,9 @@ python emit_pkgdata() {
                with open(subdata_file, 'w') as fd:
                    fd.write("PKG_%s: %s" % (ml_pkg, pkg))
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
-    pkgdatadir = d.getVar('PKGDESTWORK', True)
+    pkgdatadir = d.getVar('PKGDESTWORK')
    # Take shared lock since we're only reading, not writing
    lf = bb.utils.lockfile(d.expand("${PACKAGELOCK}"), True)
@@ -1321,9 +1321,9 @@ python emit_pkgdata() {
    f.write("PACKAGES: %s\n" % packages)
    f.close()
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
-    global_variants = (d.getVar('MULTILIB_GLOBAL_VARIANTS', True) or "").split()
+    global_variants = (d.getVar('MULTILIB_GLOBAL_VARIANTS') or "").split()
-    variants = (d.getVar('MULTILIB_VARIANTS', True) or "").split()
+    variants = (d.getVar('MULTILIB_VARIANTS') or "").split()
    if bb.data.inherits_class('kernel', d) or bb.data.inherits_class('module-base', d):
        write_extra_pkgs(variants, pn, packages, pkgdatadir)
@@ -1331,10 +1331,10 @@ python emit_pkgdata() {
    if (bb.data.inherits_class('allarch', d) and not bb.data.inherits_class('packagegroup', d)):
        write_extra_pkgs(global_variants, pn, packages, pkgdatadir)
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
    for pkg in packages.split():
-        pkgval = d.getVar('PKG_%s' % pkg, True)
+        pkgval = d.getVar('PKG_%s' % pkg)
        if pkgval is None:
            pkgval = pkg
            d.setVar('PKG_%s' % pkg, pkg)
@@ -1377,11 +1377,11 @@ python emit_pkgdata() {
        write_if_exists(sf, pkg, 'pkg_prerm')
        write_if_exists(sf, pkg, 'FILERPROVIDESFLIST')
        write_if_exists(sf, pkg, 'FILES_INFO')
-        for dfile in (d.getVar('FILERPROVIDESFLIST_' + pkg, True) or "").split():
+        for dfile in (d.getVar('FILERPROVIDESFLIST_' + pkg) or "").split():
            write_if_exists(sf, pkg, 'FILERPROVIDES_' + dfile)
        write_if_exists(sf, pkg, 'FILERDEPENDSFLIST')
-        for dfile in (d.getVar('FILERDEPENDSFLIST_' + pkg, True) or "").split():
+        for dfile in (d.getVar('FILERDEPENDSFLIST_' + pkg) or "").split():
            write_if_exists(sf, pkg, 'FILERDEPENDS_' + dfile)
        sf.write('%s_%s: %d\n' % ('PKGSIZE', pkg, total_size))
@@ -1394,9 +1394,9 @@ python emit_pkgdata() {
                bb.utils.mkdirhier(os.path.dirname(subdata_sym))
                oe.path.symlink("../../runtime/%s" % pkg, subdata_sym, True)
-        allow_empty = d.getVar('ALLOW_EMPTY_%s' % pkg, True)
+        allow_empty = d.getVar('ALLOW_EMPTY_%s' % pkg)
        if not allow_empty:
-            allow_empty = d.getVar('ALLOW_EMPTY', True)
+            allow_empty = d.getVar('ALLOW_EMPTY')
        root = "%s/%s" % (pkgdest, pkg)
        os.chdir(root)
        g = glob('*')
@@ -1435,19 +1435,19 @@ RPMDEPS = "${STAGING_LIBDIR_NATIVE}/rpm/bin/rpmdeps-oecore --macros ${STAGING_LI
 #  FILERDEPENDS_filepath_pkg - per file dep
 python package_do_filedeps() {
-    if d.getVar('SKIP_FILEDEPS', True) == '1':
+    if d.getVar('SKIP_FILEDEPS') == '1':
        return
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
-    rpmdeps = d.getVar('RPMDEPS', True)
+    rpmdeps = d.getVar('RPMDEPS')
    def chunks(files, n):
        return [files[i:i+n] for i in range(0, len(files), n)]
    pkglist = []
    for pkg in packages.split():
-        if d.getVar('SKIP_FILEDEPS_' + pkg, True) == '1':
+        if d.getVar('SKIP_FILEDEPS_' + pkg) == '1':
            continue
        if pkg.endswith('-dbg') or pkg.endswith('-doc') or pkg.find('-locale-') != -1 or pkg.find('-localedata-') != -1 or pkg.find('-gconv-') != -1 or pkg.find('-charmap-') != -1 or pkg.startswith('kernel-module-'):
            continue
@@ -1496,22 +1496,22 @@ python package_do_shlibs() {
        return
    lib_re = re.compile("^.*\.so")
-    libdir_re = re.compile(".*/%s$" % d.getVar('baselib', True))
+    libdir_re = re.compile(".*/%s$" % d.getVar('baselib'))
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
-    targetos = d.getVar('TARGET_OS', True)
+    targetos = d.getVar('TARGET_OS')
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
-    ver = d.getVar('PKGV', True)
+    ver = d.getVar('PKGV')
    if not ver:
        msg = "PKGV not defined"
        package_qa_handle_error("pkgv-undefined", msg, d)
        return
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
-    shlibswork_dir = d.getVar('SHLIBSWORKDIR', True)
+    shlibswork_dir = d.getVar('SHLIBSWORKDIR')
    # Take shared lock since we're only reading, not writing
    lf = bb.utils.lockfile(d.expand("${PACKAGELOCK}"))
@@ -1519,7 +1519,7 @@ python package_do_shlibs() {
    def linux_so(file, needed, sonames, renames, pkgver):
        needs_ldconfig = False
        ldir = os.path.dirname(file).replace(pkgdest + "/" + pkg, '')
-        cmd = d.getVar('OBJDUMP', True) + " -p " + pipes.quote(file) + " 2>/dev/null"
+        cmd = d.getVar('OBJDUMP') + " -p " + pipes.quote(file) + " 2>/dev/null"
        fd = os.popen(cmd)
        lines = fd.readlines()
        fd.close()
@@ -1601,12 +1601,12 @@ python package_do_shlibs() {
                if name and name not in needed[pkg]:
                     needed[pkg].append((name, file, []))
-    if d.getVar('PACKAGE_SNAP_LIB_SYMLINKS', True) == "1":
+    if d.getVar('PACKAGE_SNAP_LIB_SYMLINKS') == "1":
        snap_symlinks = True
    else:
        snap_symlinks = False
-    if (d.getVar('USE_LDCONFIG', True) or "1") == "1":
+    if (d.getVar('USE_LDCONFIG') or "1") == "1":
        use_ldconfig = True
    else:
        use_ldconfig = False
@@ -1615,14 +1615,14 @@ python package_do_shlibs() {
    shlib_provider = oe.package.read_shlib_providers(d)
    for pkg in packages.split():
-        private_libs = d.getVar('PRIVATE_LIBS_' + pkg, True) or d.getVar('PRIVATE_LIBS', True) or ""
+        private_libs = d.getVar('PRIVATE_LIBS_' + pkg) or d.getVar('PRIVATE_LIBS') or ""
        private_libs = private_libs.split()
        needs_ldconfig = False
        bb.debug(2, "calculating shlib provides for %s" % pkg)
-        pkgver = d.getVar('PKGV_' + pkg, True)
+        pkgver = d.getVar('PKGV_' + pkg)
        if not pkgver:
-            pkgver = d.getVar('PV_' + pkg, True)
+            pkgver = d.getVar('PV_' + pkg)
        if not pkgver:
            pkgver = ver
@@ -1659,18 +1659,18 @@ python package_do_shlibs() {
            fd.close()
        if needs_ldconfig and use_ldconfig:
            bb.debug(1, 'adding ldconfig call to postinst for %s' % pkg)
-            postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+            postinst = d.getVar('pkg_postinst_%s' % pkg)
            if not postinst:
                postinst = '#!/bin/sh\n'
-            postinst += d.getVar('ldconfig_postinst_fragment', True)
+            postinst += d.getVar('ldconfig_postinst_fragment')
            d.setVar('pkg_postinst_%s' % pkg, postinst)
        bb.debug(1, 'LIBNAMES: pkg %s sonames %s' % (pkg, sonames))
    bb.utils.unlockfile(lf)
-    assumed_libs = d.getVar('ASSUME_SHLIBS', True)
+    assumed_libs = d.getVar('ASSUME_SHLIBS')
    if assumed_libs:
-        libdir = d.getVar("libdir", True)
+        libdir = d.getVar("libdir")
        for e in assumed_libs.split():
            l, dep_pkg = e.split(":")
            lib_ver = None
@@ -1682,7 +1682,7 @@ python package_do_shlibs() {
                shlib_provider[l] = {}
            shlib_provider[l][libdir] = (dep_pkg, lib_ver)
-    libsearchpath = [d.getVar('libdir', True), d.getVar('base_libdir', True)]
+    libsearchpath = [d.getVar('libdir'), d.getVar('base_libdir')]
    for pkg in packages.split():
        bb.debug(2, "calculating shlib requirements for %s" % pkg)
@@ -1736,12 +1736,12 @@ python package_do_shlibs() {
 python package_do_pkgconfig () {
    import re
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
-    shlibs_dirs = d.getVar('SHLIBSDIRS', True).split()
+    shlibs_dirs = d.getVar('SHLIBSDIRS').split()
-    shlibswork_dir = d.getVar('SHLIBSWORKDIR', True)
+    shlibswork_dir = d.getVar('SHLIBSWORKDIR')
    pc_re = re.compile('(.*)\.pc$')
    var_re = re.compile('(.*)=(.*)')
@@ -1826,7 +1826,7 @@ python package_do_pkgconfig () {
 def read_libdep_files(d):
    pkglibdeps = {}
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
    for pkg in packages:
        pkglibdeps[pkg] = {}
        for extension in ".shlibdeps", ".pcdeps", ".clilibdeps":
@@ -1846,9 +1846,9 @@ def read_libdep_files(d):
 python read_shlibdeps () {
    pkglibdeps = read_libdep_files(d)
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
    for pkg in packages:
-        rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS_' + pkg, True) or "")
+        rdepends = bb.utils.explode_dep_versions2(d.getVar('RDEPENDS_' + pkg) or "")
        for dep in pkglibdeps[pkg]:
            # Add the dep if it's not already there, or if no comparison is set
            if dep not in rdepends:
@@ -1873,14 +1873,14 @@ python package_depchains() {
    package.
    """
-    packages  = d.getVar('PACKAGES', True)
+    packages  = d.getVar('PACKAGES')
-    postfixes = (d.getVar('DEPCHAIN_POST', True) or '').split()
+    postfixes = (d.getVar('DEPCHAIN_POST') or '').split()
-    prefixes  = (d.getVar('DEPCHAIN_PRE', True) or '').split()
+    prefixes  = (d.getVar('DEPCHAIN_PRE') or '').split()
    def pkg_adddeprrecs(pkg, base, suffix, getname, depends, d):
        #bb.note('depends for %s is %s' % (base, depends))
-        rreclist = bb.utils.explode_dep_versions2(d.getVar('RRECOMMENDS_' + pkg, True) or "")
+        rreclist = bb.utils.explode_dep_versions2(d.getVar('RRECOMMENDS_' + pkg) or "")
        for depend in depends:
            if depend.find('-native') != -1 or depend.find('-cross') != -1 or depend.startswith('virtual/'):
@@ -1901,7 +1901,7 @@ python package_depchains() {
    def pkg_addrrecs(pkg, base, suffix, getname, rdepends, d):
        #bb.note('rdepends for %s is %s' % (base, rdepends))
-        rreclist = bb.utils.explode_dep_versions2(d.getVar('RRECOMMENDS_' + pkg, True) or "")
+        rreclist = bb.utils.explode_dep_versions2(d.getVar('RRECOMMENDS_' + pkg) or "")
        for depend in rdepends:
            if depend.find('virtual-locale-') != -1:
@@ -1924,12 +1924,12 @@ python package_depchains() {
            list.append(dep)
    depends = []
-    for dep in bb.utils.explode_deps(d.getVar('DEPENDS', True) or ""):
+    for dep in bb.utils.explode_deps(d.getVar('DEPENDS') or ""):
        add_dep(depends, dep)
    rdepends = []
    for pkg in packages.split():
-        for dep in bb.utils.explode_deps(d.getVar('RDEPENDS_' + pkg, True) or ""):
+        for dep in bb.utils.explode_deps(d.getVar('RDEPENDS_' + pkg) or ""):
            add_dep(rdepends, dep)
    #bb.note('rdepends is %s' % rdepends)
@@ -1959,7 +1959,7 @@ python package_depchains() {
        for pkg in pkglibdeps:
            for k in pkglibdeps[pkg]:
                add_dep(pkglibdeplist, k)
-        dbgdefaultdeps = ((d.getVar('DEPCHAIN_DBGDEFAULTDEPS', True) == '1') or (bb.data.inherits_class('packagegroup', d)))
+        dbgdefaultdeps = ((d.getVar('DEPCHAIN_DBGDEFAULTDEPS') == '1') or (bb.data.inherits_class('packagegroup', d)))
    for suffix in pkgs:
        for pkg in pkgs[suffix]:
@@ -1976,7 +1976,7 @@ python package_depchains() {
                pkg_addrrecs(pkg, base, suffix, func, rdepends, d)
            else:
                rdeps = []
-                for dep in bb.utils.explode_deps(d.getVar('RDEPENDS_' + base, True) or ""):
+                for dep in bb.utils.explode_deps(d.getVar('RDEPENDS_' + base) or ""):
                    add_dep(rdeps, dep)
                pkg_addrrecs(pkg, base, suffix, func, rdeps, d)
 }
@@ -1987,8 +1987,8 @@ PACKAGEVARS = "FILES RDEPENDS RRECOMMENDS SUMMARY DESCRIPTION RSUGGESTS RPROVIDE
 def gen_packagevar(d):
    ret = []
-    pkgs = (d.getVar("PACKAGES", True) or "").split()
+    pkgs = (d.getVar("PACKAGES") or "").split()
-    vars = (d.getVar("PACKAGEVARS", True) or "").split()
+    vars = (d.getVar("PACKAGEVARS") or "").split()
    for p in pkgs:
        for v in vars:
            ret.append(v + "_" + p)
@@ -2036,16 +2036,16 @@ python do_package () {
    # Sanity test the setup
    ###########################################################################
-    packages = (d.getVar('PACKAGES', True) or "").split()
+    packages = (d.getVar('PACKAGES') or "").split()
    if len(packages) < 1:
        bb.debug(1, "No packages to build, skipping do_package")
        return
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
-    outdir = d.getVar('DEPLOY_DIR', True)
+    outdir = d.getVar('DEPLOY_DIR')
-    dest = d.getVar('D', True)
+    dest = d.getVar('D')
-    dvar = d.getVar('PKGD', True)
+    dvar = d.getVar('PKGD')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    if not workdir or not outdir or not dest or not dvar or not pn:
        msg = "WORKDIR, DEPLOY_DIR, D, PN and PKGD all must be defined, unable to package"
@@ -2063,7 +2063,7 @@ python do_package () {
    # code pre-expands some frequently used variables
    def expandVar(x, d):
-        d.setVar(x, d.getVar(x, True))
+        d.setVar(x, d.getVar(x))
    for x in 'PN', 'PV', 'BPN', 'TARGET_SYS', 'EXTENDPRAUTO':
        expandVar(x, d)
@@ -2072,7 +2072,7 @@ python do_package () {
    # Setup PKGD (from D)
    ###########################################################################
-    for f in (d.getVar('PACKAGEBUILDPKGD', True) or '').split():
+    for f in (d.getVar('PACKAGEBUILDPKGD') or '').split():
        bb.build.exec_func(f, d)
    ###########################################################################
@@ -2081,7 +2081,7 @@ python do_package () {
    cpath = oe.cachedpath.CachedPath()
-    for f in (d.getVar('PACKAGESPLITFUNCS', True) or '').split():
+    for f in (d.getVar('PACKAGESPLITFUNCS') or '').split():
        bb.build.exec_func(f, d)
    ###########################################################################
@@ -2091,18 +2091,18 @@ python do_package () {
    # Build global list of files in each split package
    global pkgfiles
    pkgfiles = {}
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    for pkg in packages:
        pkgfiles[pkg] = []
        for walkroot, dirs, files in cpath.walk(pkgdest + "/" + pkg):
            for file in files:
                pkgfiles[pkg].append(walkroot + os.sep + file)
-    for f in (d.getVar('PACKAGEFUNCS', True) or '').split():
+    for f in (d.getVar('PACKAGEFUNCS') or '').split():
        bb.build.exec_func(f, d)
-    qa_sane = d.getVar("QA_SANE", True)
+    qa_sane = d.getVar("QA_SANE")
    if not qa_sane:
        bb.fatal("Fatal QA errors found, failing task.")
 }
@@ -2149,7 +2149,7 @@ def mapping_rename_hook(d):
    Rewrite variables to account for package renaming in things
    like debian.bbclass or manual PKG variable name changes
    """
-    pkg = d.getVar("PKG", True)
+    pkg = d.getVar("PKG")
    runtime_mapping_rename("RDEPENDS", pkg, d)
    runtime_mapping_rename("RRECOMMENDS", pkg, d)
    runtime_mapping_rename("RSUGGESTS", pkg, d)
diff --git a/meta/classes/package_deb.bbclass b/meta/classes/package_deb.bbclass
index fb6034cab1..68eca61a26 100644
--- a/meta/classes/package_deb.bbclass
+++ b/meta/classes/package_deb.bbclass
@@ -6,14 +6,14 @@ inherit package
 IMAGE_PKGTYPE ?= "deb"
-DPKG_ARCH ?= "${@debian_arch_map(d.getVar('TARGET_ARCH', True), d.getVar('TUNE_FEATURES', True))}"
+DPKG_ARCH ?= "${@debian_arch_map(d.getVar('TARGET_ARCH'), d.getVar('TUNE_FEATURES'))}"
 DPKG_ARCH[vardepvalue] = "${DPKG_ARCH}"
 PKGWRITEDIRDEB = "${WORKDIR}/deploy-debs"
 APTCONF_TARGET = "${WORKDIR}"
-APT_ARGS = "${@['', '--no-install-recommends'][d.getVar("NO_RECOMMENDATIONS", True) == "1"]}"
+APT_ARGS = "${@['', '--no-install-recommends'][d.getVar("NO_RECOMMENDATIONS") == "1"]}"
 def debian_arch_map(arch, tune):
    tune_features = tune.split()
@@ -56,22 +56,22 @@ python do_package_deb () {
    oldcwd = os.getcwd()
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
    if not workdir:
        bb.error("WORKDIR not defined, unable to package")
        return
-    outdir = d.getVar('PKGWRITEDIRDEB', True)
+    outdir = d.getVar('PKGWRITEDIRDEB')
    if not outdir:
        bb.error("PKGWRITEDIRDEB not defined, unable to package")
        return
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
    if not packages:
        bb.debug(1, "PACKAGES not defined, nothing to package")
        return
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    if os.access(os.path.join(tmpdir, "stamps", "DEB_PACKAGE_INDEX_CLEAN"),os.R_OK):
        os.unlink(os.path.join(tmpdir, "stamps", "DEB_PACKAGE_INDEX_CLEAN"))
@@ -80,7 +80,7 @@ python do_package_deb () {
        bb.debug(1, "No packages; nothing to do")
        return
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    def cleanupcontrol(root):
        for p in ['CONTROL', 'DEBIAN']:
@@ -96,7 +96,7 @@ python do_package_deb () {
        localdata.setVar('ROOT', '')
        localdata.setVar('ROOT_%s' % pkg, root)
-        pkgname = localdata.getVar('PKG_%s' % pkg, True)
+        pkgname = localdata.getVar('PKG_%s' % pkg)
        if not pkgname:
            pkgname = pkg
        localdata.setVar('PKG', pkgname)
@@ -106,7 +106,7 @@ python do_package_deb () {
        bb.data.update_data(localdata)
        basedir = os.path.join(os.path.dirname(root))
-        pkgoutdir = os.path.join(outdir, localdata.getVar('PACKAGE_ARCH', True))
+        pkgoutdir = os.path.join(outdir, localdata.getVar('PACKAGE_ARCH'))
        bb.utils.mkdirhier(pkgoutdir)
        os.chdir(root)
@@ -114,7 +114,7 @@ python do_package_deb () {
        from glob import glob
        g = glob('*')
        if not g and localdata.getVar('ALLOW_EMPTY', False) != "1":
-            bb.note("Not creating empty archive for %s-%s-%s" % (pkg, localdata.getVar('PKGV', True), localdata.getVar('PKGR', True)))
+            bb.note("Not creating empty archive for %s-%s-%s" % (pkg, localdata.getVar('PKGV'), localdata.getVar('PKGR')))
            bb.utils.unlockfile(lf)
            continue
@@ -129,7 +129,7 @@ python do_package_deb () {
            bb.fatal("unable to open control file for writing")
        fields = []
-        pe = d.getVar('PKGE', True)
+        pe = d.getVar('PKGE')
        if pe and int(pe) > 0:
            fields.append(["Version: %s:%s-%s\n", ['PKGE', 'PKGV', 'PKGR']])
        else:
@@ -141,7 +141,7 @@ python do_package_deb () {
        fields.append(["Architecture: %s\n", ['DPKG_ARCH']])
        fields.append(["OE: %s\n", ['PN']])
        fields.append(["PackageArch: %s\n", ['PACKAGE_ARCH']])
-        if d.getVar('HOMEPAGE', True):
+        if d.getVar('HOMEPAGE'):
            fields.append(["Homepage: %s\n", ['HOMEPAGE']])
        # Package, Version, Maintainer, Description - mandatory
@@ -151,10 +151,10 @@ python do_package_deb () {
        def pullData(l, d):
            l2 = []
            for i in l:
-                data = d.getVar(i, True)
+                data = d.getVar(i)
                if data is None:
                    raise KeyError(f)
-                if i == 'DPKG_ARCH' and d.getVar('PACKAGE_ARCH', True) == 'all':
+                if i == 'DPKG_ARCH' and d.getVar('PACKAGE_ARCH') == 'all':
                    data = 'all'
                elif i == 'PACKAGE_ARCH' or i == 'DPKG_ARCH':
                   # The params in deb package control don't allow character
@@ -165,7 +165,7 @@ python do_package_deb () {
            return l2
        ctrlfile.write("Package: %s\n" % pkgname)
-        if d.getVar('PACKAGE_ARCH', True) == "all":
+        if d.getVar('PACKAGE_ARCH') == "all":
            ctrlfile.write("Multi-Arch: foreign\n")
        # check for required fields
        try:
@@ -175,9 +175,9 @@ python do_package_deb () {
                         raise KeyError(f)
                # Special behavior for description...
                if 'DESCRIPTION' in fs:
-                     summary = localdata.getVar('SUMMARY', True) or localdata.getVar('DESCRIPTION', True) or "."
+                     summary = localdata.getVar('SUMMARY') or localdata.getVar('DESCRIPTION') or "."
                     ctrlfile.write('Description: %s\n' % summary)
-                     description = localdata.getVar('DESCRIPTION', True) or "."
+                     description = localdata.getVar('DESCRIPTION') or "."
                     description = textwrap.dedent(description).strip()
                     if '\\n' in description:
                         # Manually indent
@@ -231,7 +231,7 @@ python do_package_deb () {
                    elif (v or "").startswith("> "):
                        var[dep][i] = var[dep][i].replace("> ", ">> ")
-        rdepends = bb.utils.explode_dep_versions2(localdata.getVar("RDEPENDS", True) or "")
+        rdepends = bb.utils.explode_dep_versions2(localdata.getVar("RDEPENDS") or "")
        debian_cmp_remap(rdepends)
        for dep in list(rdepends.keys()):
                if dep == pkg:
@@ -239,20 +239,20 @@ python do_package_deb () {
                        continue
                if '*' in dep:
                        del rdepends[dep]
-        rrecommends = bb.utils.explode_dep_versions2(localdata.getVar("RRECOMMENDS", True) or "")
+        rrecommends = bb.utils.explode_dep_versions2(localdata.getVar("RRECOMMENDS") or "")
        debian_cmp_remap(rrecommends)
        for dep in list(rrecommends.keys()):
                if '*' in dep:
                        del rrecommends[dep]
-        rsuggests = bb.utils.explode_dep_versions2(localdata.getVar("RSUGGESTS", True) or "")
+        rsuggests = bb.utils.explode_dep_versions2(localdata.getVar("RSUGGESTS") or "")
        debian_cmp_remap(rsuggests)
        # Deliberately drop version information here, not wanted/supported by deb
-        rprovides = dict.fromkeys(bb.utils.explode_dep_versions2(localdata.getVar("RPROVIDES", True) or ""), [])
+        rprovides = dict.fromkeys(bb.utils.explode_dep_versions2(localdata.getVar("RPROVIDES") or ""), [])
        rprovides = collections.OrderedDict(sorted(rprovides.items(), key=lambda x: x[0]))
        debian_cmp_remap(rprovides)
-        rreplaces = bb.utils.explode_dep_versions2(localdata.getVar("RREPLACES", True) or "")
+        rreplaces = bb.utils.explode_dep_versions2(localdata.getVar("RREPLACES") or "")
        debian_cmp_remap(rreplaces)
-        rconflicts = bb.utils.explode_dep_versions2(localdata.getVar("RCONFLICTS", True) or "")
+        rconflicts = bb.utils.explode_dep_versions2(localdata.getVar("RCONFLICTS") or "")
        debian_cmp_remap(rconflicts)
        if rdepends:
            ctrlfile.write("Depends: %s\n" % bb.utils.join_deps(rdepends))
@@ -269,7 +269,7 @@ python do_package_deb () {
        ctrlfile.close()
        for script in ["preinst", "postinst", "prerm", "postrm"]:
-            scriptvar = localdata.getVar('pkg_%s' % script, True)
+            scriptvar = localdata.getVar('pkg_%s' % script)
            if not scriptvar:
                continue
            scriptvar = scriptvar.strip()
@@ -308,7 +308,7 @@ python do_package_deb () {
            conffiles.close()
        os.chdir(basedir)
-        ret = subprocess.call("PATH=\"%s\" dpkg-deb -b %s %s" % (localdata.getVar("PATH", True), root, pkgoutdir), shell=True)
+        ret = subprocess.call("PATH=\"%s\" dpkg-deb -b %s %s" % (localdata.getVar("PATH"), root, pkgoutdir), shell=True)
        if ret != 0:
            bb.utils.unlockfile(lf)
            bb.fatal("dpkg-deb execution failed")
@@ -328,7 +328,7 @@ do_package_write_deb[sstate-inputdirs] = "${PKGWRITEDIRDEB}"
 do_package_write_deb[sstate-outputdirs] = "${DEPLOY_DIR_DEB}"
 python do_package_write_deb_setscene () {
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    if os.access(os.path.join(tmpdir, "stamps", "DEB_PACKAGE_INDEX_CLEAN"),os.R_OK):
        os.unlink(os.path.join(tmpdir, "stamps", "DEB_PACKAGE_INDEX_CLEAN"))
@@ -338,7 +338,7 @@ python do_package_write_deb_setscene () {
 addtask do_package_write_deb_setscene
 python () {
-    if d.getVar('PACKAGES', True) != '':
+    if d.getVar('PACKAGES') != '':
        deps = ' dpkg-native:do_populate_sysroot virtual/fakeroot-native:do_populate_sysroot'
        d.appendVarFlag('do_package_write_deb', 'depends', deps)
        d.setVarFlag('do_package_write_deb', 'fakeroot', "1")
diff --git a/meta/classes/package_ipk.bbclass b/meta/classes/package_ipk.bbclass
index eb00932336..7018a600a9 100644
--- a/meta/classes/package_ipk.bbclass
+++ b/meta/classes/package_ipk.bbclass
@@ -11,8 +11,8 @@ PKGWRITEDIRIPK = "${WORKDIR}/deploy-ipks"
 OPKGBUILDCMD ??= "opkg-build"
 OPKG_ARGS += "--force_postinstall --prefer-arch-to-version"
-OPKG_ARGS += "${@['', '--no-install-recommends'][d.getVar("NO_RECOMMENDATIONS", True) == "1"]}"
+OPKG_ARGS += "${@['', '--no-install-recommends'][d.getVar("NO_RECOMMENDATIONS") == "1"]}"
-OPKG_ARGS += "${@['', '--add-exclude ' + ' --add-exclude '.join((d.getVar('PACKAGE_EXCLUDE', True) or "").split())][(d.getVar("PACKAGE_EXCLUDE", True) or "") != ""]}"
+OPKG_ARGS += "${@['', '--add-exclude ' + ' --add-exclude '.join((d.getVar('PACKAGE_EXCLUDE') or "").split())][(d.getVar("PACKAGE_EXCLUDE") or "") != ""]}"
 OPKGLIBDIR = "${localstatedir}/lib"
@@ -24,15 +24,15 @@ python do_package_ipk () {
    oldcwd = os.getcwd()
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
-    outdir = d.getVar('PKGWRITEDIRIPK', True)
+    outdir = d.getVar('PKGWRITEDIRIPK')
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    if not workdir or not outdir or not tmpdir:
        bb.error("Variables incorrectly set, unable to package")
        return
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
    if not packages or packages == '':
        bb.debug(1, "No packages; nothing to do")
        return
@@ -56,7 +56,7 @@ python do_package_ipk () {
        localdata.setVar('ROOT', '')
        localdata.setVar('ROOT_%s' % pkg, root)
-        pkgname = localdata.getVar('PKG_%s' % pkg, True)
+        pkgname = localdata.getVar('PKG_%s' % pkg)
        if not pkgname:
            pkgname = pkg
        localdata.setVar('PKG', pkgname)
@@ -65,7 +65,7 @@ python do_package_ipk () {
        bb.data.update_data(localdata)
        basedir = os.path.join(os.path.dirname(root))
-        arch = localdata.getVar('PACKAGE_ARCH', True)
+        arch = localdata.getVar('PACKAGE_ARCH')
        if localdata.getVar('IPK_HIERARCHICAL_FEED', False) == "1":
            # Spread packages across subdirectories so each isn't too crowded
@@ -98,7 +98,7 @@ python do_package_ipk () {
        from glob import glob
        g = glob('*')
        if not g and localdata.getVar('ALLOW_EMPTY', False) != "1":
-            bb.note("Not creating empty archive for %s-%s-%s" % (pkg, localdata.getVar('PKGV', True), localdata.getVar('PKGR', True)))
+            bb.note("Not creating empty archive for %s-%s-%s" % (pkg, localdata.getVar('PKGV'), localdata.getVar('PKGR')))
            bb.utils.unlockfile(lf)
            continue
@@ -111,7 +111,7 @@ python do_package_ipk () {
            bb.fatal("unable to open control file for writing")
        fields = []
-        pe = d.getVar('PKGE', True)
+        pe = d.getVar('PKGE')
        if pe and int(pe) > 0:
            fields.append(["Version: %s:%s-%s\n", ['PKGE', 'PKGV', 'PKGR']])
        else:
@@ -123,13 +123,13 @@ python do_package_ipk () {
        fields.append(["License: %s\n", ['LICENSE']])
        fields.append(["Architecture: %s\n", ['PACKAGE_ARCH']])
        fields.append(["OE: %s\n", ['PN']])
-        if d.getVar('HOMEPAGE', True):
+        if d.getVar('HOMEPAGE'):
            fields.append(["Homepage: %s\n", ['HOMEPAGE']])
        def pullData(l, d):
            l2 = []
            for i in l:
-                l2.append(d.getVar(i, True))
+                l2.append(d.getVar(i))
            return l2
        ctrlfile.write("Package: %s\n" % pkgname)
@@ -141,9 +141,9 @@ python do_package_ipk () {
                        raise KeyError(f)
                # Special behavior for description...
                if 'DESCRIPTION' in fs:
-                    summary = localdata.getVar('SUMMARY', True) or localdata.getVar('DESCRIPTION', True) or "."
+                    summary = localdata.getVar('SUMMARY') or localdata.getVar('DESCRIPTION') or "."
                    ctrlfile.write('Description: %s\n' % summary)
-                    description = localdata.getVar('DESCRIPTION', True) or "."
+                    description = localdata.getVar('DESCRIPTION') or "."
                    description = textwrap.dedent(description).strip()
                    if '\\n' in description:
                        # Manually indent
@@ -185,19 +185,19 @@ python do_package_ipk () {
                    elif (v or "").startswith("> "):
                        var[dep][i] = var[dep][i].replace("> ", ">> ")
-        rdepends = bb.utils.explode_dep_versions2(localdata.getVar("RDEPENDS", True) or "")
+        rdepends = bb.utils.explode_dep_versions2(localdata.getVar("RDEPENDS") or "")
        debian_cmp_remap(rdepends)
-        rrecommends = bb.utils.explode_dep_versions2(localdata.getVar("RRECOMMENDS", True) or "")
+        rrecommends = bb.utils.explode_dep_versions2(localdata.getVar("RRECOMMENDS") or "")
        debian_cmp_remap(rrecommends)
-        rsuggests = bb.utils.explode_dep_versions2(localdata.getVar("RSUGGESTS", True) or "")
+        rsuggests = bb.utils.explode_dep_versions2(localdata.getVar("RSUGGESTS") or "")
        debian_cmp_remap(rsuggests)
        # Deliberately drop version information here, not wanted/supported by ipk
-        rprovides = dict.fromkeys(bb.utils.explode_dep_versions2(localdata.getVar("RPROVIDES", True) or ""), [])
+        rprovides = dict.fromkeys(bb.utils.explode_dep_versions2(localdata.getVar("RPROVIDES") or ""), [])
        rprovides = collections.OrderedDict(sorted(rprovides.items(), key=lambda x: x[0]))
        debian_cmp_remap(rprovides)
-        rreplaces = bb.utils.explode_dep_versions2(localdata.getVar("RREPLACES", True) or "")
+        rreplaces = bb.utils.explode_dep_versions2(localdata.getVar("RREPLACES") or "")
        debian_cmp_remap(rreplaces)
-        rconflicts = bb.utils.explode_dep_versions2(localdata.getVar("RCONFLICTS", True) or "")
+        rconflicts = bb.utils.explode_dep_versions2(localdata.getVar("RCONFLICTS") or "")
        debian_cmp_remap(rconflicts)
        if rdepends:
@@ -212,14 +212,14 @@ python do_package_ipk () {
            ctrlfile.write("Replaces: %s\n" % bb.utils.join_deps(rreplaces))
        if rconflicts:
            ctrlfile.write("Conflicts: %s\n" % bb.utils.join_deps(rconflicts))
-        src_uri = localdata.getVar("SRC_URI", True).strip() or "None"
+        src_uri = localdata.getVar("SRC_URI").strip() or "None"
        if src_uri:
            src_uri = re.sub("\s+", " ", src_uri)
            ctrlfile.write("Source: %s\n" % " ".join(src_uri.split()))
        ctrlfile.close()
        for script in ["preinst", "postinst", "prerm", "postrm"]:
-            scriptvar = localdata.getVar('pkg_%s' % script, True)
+            scriptvar = localdata.getVar('pkg_%s' % script)
            if not scriptvar:
                continue
            try:
@@ -244,15 +244,15 @@ python do_package_ipk () {
            conffiles.close()
        os.chdir(basedir)
-        ret = subprocess.call("PATH=\"%s\" %s %s %s" % (localdata.getVar("PATH", True),
+        ret = subprocess.call("PATH=\"%s\" %s %s %s" % (localdata.getVar("PATH"),
-                                                          d.getVar("OPKGBUILDCMD", True), pkg, pkgoutdir), shell=True)
+                                                          d.getVar("OPKGBUILDCMD"), pkg, pkgoutdir), shell=True)
        if ret != 0:
            bb.utils.unlockfile(lf)
            bb.fatal("opkg-build execution failed")
-        if d.getVar('IPK_SIGN_PACKAGES', True) == '1':
+        if d.getVar('IPK_SIGN_PACKAGES') == '1':
-            ipkver = "%s-%s" % (d.getVar('PKGV', True), d.getVar('PKGR', True))
+            ipkver = "%s-%s" % (d.getVar('PKGV'), d.getVar('PKGR'))
-            ipk_to_sign = "%s/%s_%s_%s.ipk" % (pkgoutdir, pkgname, ipkver, d.getVar('PACKAGE_ARCH', True))
+            ipk_to_sign = "%s/%s_%s_%s.ipk" % (pkgoutdir, pkgname, ipkver, d.getVar('PACKAGE_ARCH'))
            sign_ipk(d, ipk_to_sign)
        cleanupcontrol(root)
@@ -268,7 +268,7 @@ do_package_write_ipk[sstate-inputdirs] = "${PKGWRITEDIRIPK}"
 do_package_write_ipk[sstate-outputdirs] = "${DEPLOY_DIR_IPK}"
 python do_package_write_ipk_setscene () {
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    if os.access(os.path.join(tmpdir, "stamps", "IPK_PACKAGE_INDEX_CLEAN"), os.R_OK):
        os.unlink(os.path.join(tmpdir, "stamps", "IPK_PACKAGE_INDEX_CLEAN"))
@@ -278,7 +278,7 @@ python do_package_write_ipk_setscene () {
 addtask do_package_write_ipk_setscene
 python () {
-    if d.getVar('PACKAGES', True) != '':
+    if d.getVar('PACKAGES') != '':
        deps = ' opkg-utils-native:do_populate_sysroot virtual/fakeroot-native:do_populate_sysroot'
        d.appendVarFlag('do_package_write_ipk', 'depends', deps)
        d.setVarFlag('do_package_write_ipk', 'fakeroot', "1")
diff --git a/meta/classes/package_rpm.bbclass b/meta/classes/package_rpm.bbclass
index c431545f7c..722c62877a 100644
--- a/meta/classes/package_rpm.bbclass
+++ b/meta/classes/package_rpm.bbclass
@@ -13,9 +13,9 @@ MERGEPERFILEDEPS = "1"
 # Construct per file dependencies file
 def write_rpm_perfiledata(srcname, d):
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
-    pkgd = d.getVar('PKGD', True)
+    pkgd = d.getVar('PKGD')
    def dump_filerdeps(varname, outfile, d):
        outfile.write("#!/usr/bin/env python\n\n")
@@ -23,10 +23,10 @@ def write_rpm_perfiledata(srcname, d):
        outfile.write('deps = {\n')
        for pkg in packages.split():
            dependsflist_key = 'FILE' + varname + 'FLIST' + "_" + pkg
-            dependsflist = (d.getVar(dependsflist_key, True) or "")
+            dependsflist = (d.getVar(dependsflist_key) or "")
            for dfile in dependsflist.split():
                key = "FILE" + varname + "_" + dfile + "_" + pkg
-                depends_dict = bb.utils.explode_dep_versions(d.getVar(key, True) or "")
+                depends_dict = bb.utils.explode_dep_versions(d.getVar(key) or "")
                file = dfile.replace("@underscore@", "_")
                file = file.replace("@closebrace@", "]")
                file = file.replace("@openbrace@", "[")
@@ -87,14 +87,14 @@ python write_specfile () {
    # append information for logs and patches to %prep
    def add_prep(d,spec_files_bottom):
        if d.getVarFlag('ARCHIVER_MODE', 'srpm', True) == '1' and bb.data.inherits_class('archiver', d):
-            spec_files_bottom.append('%%prep -n %s' % d.getVar('PN', True) )
+            spec_files_bottom.append('%%prep -n %s' % d.getVar('PN') )
            spec_files_bottom.append('%s' % "echo \"include logs and patches, Please check them in SOURCES\"")
            spec_files_bottom.append('')
    # append the name of tarball to key word 'SOURCE' in xxx.spec.
    def tail_source(d):
        if d.getVarFlag('ARCHIVER_MODE', 'srpm', True) == '1' and bb.data.inherits_class('archiver', d):
-            ar_outdir = d.getVar('ARCHIVER_OUTDIR', True)
+            ar_outdir = d.getVar('ARCHIVER_OUTDIR')
            if not os.path.exists(ar_outdir):
                return
            source_list = os.listdir(ar_outdir)
@@ -110,7 +110,7 @@ python write_specfile () {
    # We need a simple way to remove the MLPREFIX from the package name,
    # and dependency information...
    def strip_multilib(name, d):
-        multilibs = d.getVar('MULTILIBS', True) or ""
+        multilibs = d.getVar('MULTILIBS') or ""
        for ext in multilibs.split():
            eext = ext.split(':')
            if len(eext) > 1 and eext[0] == 'multilib' and name and name.find(eext[1] + '-') >= 0:
@@ -124,7 +124,7 @@ python write_specfile () {
            newdeps[strip_multilib(dep, d)] = depends[dep]
        return bb.utils.join_deps(newdeps)
-#        ml = d.getVar("MLPREFIX", True)
+#        ml = d.getVar("MLPREFIX")
 #        if ml and name and len(ml) != 0 and name.find(ml) == 0:
 #            return ml.join(name.split(ml, 1)[1:])
 #        return name
@@ -144,7 +144,7 @@ python write_specfile () {
    # after renaming we cannot look up the dependencies in the packagedata
    # store.
    def translate_vers(varname, d):
-        depends = d.getVar(varname, True)
+        depends = d.getVar(varname)
        if depends:
            depends_dict = bb.utils.explode_dep_versions2(depends)
            newdeps_dict = {}
@@ -248,10 +248,10 @@ python write_specfile () {
    def get_perfile(varname, pkg, d):
        deps = []
        dependsflist_key = 'FILE' + varname + 'FLIST' + "_" + pkg
-        dependsflist = (d.getVar(dependsflist_key, True) or "")
+        dependsflist = (d.getVar(dependsflist_key) or "")
        for dfile in dependsflist.split():
            key = "FILE" + varname + "_" + dfile + "_" + pkg
-            depends = d.getVar(key, True)
+            depends = d.getVar(key)
            if depends:
                deps.append(depends)
        return " ".join(deps)
@@ -269,33 +269,33 @@ python write_specfile () {
        else:
            spec_preamble.append('%s' % textwrap.fill(dedent_text, width=75))
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
    if not packages or packages == '':
        bb.debug(1, "No packages; nothing to do")
        return
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    if not pkgdest:
        bb.fatal("No PKGDEST")
-    outspecfile = d.getVar('OUTSPECFILE', True)
+    outspecfile = d.getVar('OUTSPECFILE')
    if not outspecfile:
        bb.fatal("No OUTSPECFILE")
    # Construct the SPEC file...
-    srcname    = strip_multilib(d.getVar('PN', True), d)
+    srcname    = strip_multilib(d.getVar('PN'), d)
-    srcsummary = (d.getVar('SUMMARY', True) or d.getVar('DESCRIPTION', True) or ".")
+    srcsummary = (d.getVar('SUMMARY') or d.getVar('DESCRIPTION') or ".")
-    srcversion = d.getVar('PKGV', True).replace('-', '+')
+    srcversion = d.getVar('PKGV').replace('-', '+')
-    srcrelease = d.getVar('PKGR', True)
+    srcrelease = d.getVar('PKGR')
-    srcepoch   = (d.getVar('PKGE', True) or "")
+    srcepoch   = (d.getVar('PKGE') or "")
-    srclicense = d.getVar('LICENSE', True)
+    srclicense = d.getVar('LICENSE')
-    srcsection = d.getVar('SECTION', True)
+    srcsection = d.getVar('SECTION')
-    srcmaintainer  = d.getVar('MAINTAINER', True)
+    srcmaintainer  = d.getVar('MAINTAINER')
-    srchomepage    = d.getVar('HOMEPAGE', True)
+    srchomepage    = d.getVar('HOMEPAGE')
-    srcdescription = d.getVar('DESCRIPTION', True) or "."
+    srcdescription = d.getVar('DESCRIPTION') or "."
    srccustomtagschunk = get_package_additional_metadata("rpm", d)
-    srcdepends     = strip_multilib_deps(d.getVar('DEPENDS', True), d)
+    srcdepends     = strip_multilib_deps(d.getVar('DEPENDS'), d)
    srcrdepends    = []
    srcrrecommends = []
    srcrsuggests   = []
@@ -318,8 +318,8 @@ python write_specfile () {
    spec_files_top = []
    spec_files_bottom = []
-    perfiledeps = (d.getVar("MERGEPERFILEDEPS", True) or "0") == "0"
+    perfiledeps = (d.getVar("MERGEPERFILEDEPS") or "0") == "0"
-    extra_pkgdata = (d.getVar("RPM_EXTRA_PKGDATA", True) or "0") == "1"
+    extra_pkgdata = (d.getVar("RPM_EXTRA_PKGDATA") or "0") == "1"
    for pkg in packages.split():
        localdata = bb.data.createCopy(d)
@@ -328,7 +328,7 @@ python write_specfile () {
        localdata.setVar('ROOT', '')
        localdata.setVar('ROOT_%s' % pkg, root)
-        pkgname = localdata.getVar('PKG_%s' % pkg, True)
+        pkgname = localdata.getVar('PKG_%s' % pkg)
        if not pkgname:
            pkgname = pkg
        localdata.setVar('PKG', pkgname)
@@ -338,19 +338,19 @@ python write_specfile () {
        bb.data.update_data(localdata)
        conffiles = get_conffiles(pkg, d)
-        dirfiles = localdata.getVar('DIRFILES', True)
+        dirfiles = localdata.getVar('DIRFILES')
        if dirfiles is not None:
            dirfiles = dirfiles.split()
        splitname    = strip_multilib(pkgname, d)
-        splitsummary = (localdata.getVar('SUMMARY', True) or localdata.getVar('DESCRIPTION', True) or ".")
+        splitsummary = (localdata.getVar('SUMMARY') or localdata.getVar('DESCRIPTION') or ".")
-        splitversion = (localdata.getVar('PKGV', True) or "").replace('-', '+')
+        splitversion = (localdata.getVar('PKGV') or "").replace('-', '+')
-        splitrelease = (localdata.getVar('PKGR', True) or "")
+        splitrelease = (localdata.getVar('PKGR') or "")
-        splitepoch   = (localdata.getVar('PKGE', True) or "")
+        splitepoch   = (localdata.getVar('PKGE') or "")
-        splitlicense = (localdata.getVar('LICENSE', True) or "")
+        splitlicense = (localdata.getVar('LICENSE') or "")
-        splitsection = (localdata.getVar('SECTION', True) or "")
+        splitsection = (localdata.getVar('SECTION') or "")
-        splitdescription = (localdata.getVar('DESCRIPTION', True) or ".")
+        splitdescription = (localdata.getVar('DESCRIPTION') or ".")
        splitcustomtagschunk = get_package_additional_metadata("rpm", localdata)
        translate_vers('RDEPENDS', localdata)
@@ -363,18 +363,18 @@ python write_specfile () {
        # Map the dependencies into their final form
        mapping_rename_hook(localdata)
-        splitrdepends    = strip_multilib_deps(localdata.getVar('RDEPENDS', True), d)
+        splitrdepends    = strip_multilib_deps(localdata.getVar('RDEPENDS'), d)
-        splitrrecommends = strip_multilib_deps(localdata.getVar('RRECOMMENDS', True), d)
+        splitrrecommends = strip_multilib_deps(localdata.getVar('RRECOMMENDS'), d)
-        splitrsuggests   = strip_multilib_deps(localdata.getVar('RSUGGESTS', True), d)
+        splitrsuggests   = strip_multilib_deps(localdata.getVar('RSUGGESTS'), d)
-        splitrprovides   = strip_multilib_deps(localdata.getVar('RPROVIDES', True), d)
+        splitrprovides   = strip_multilib_deps(localdata.getVar('RPROVIDES'), d)
-        splitrreplaces   = strip_multilib_deps(localdata.getVar('RREPLACES', True), d)
+        splitrreplaces   = strip_multilib_deps(localdata.getVar('RREPLACES'), d)
-        splitrconflicts  = strip_multilib_deps(localdata.getVar('RCONFLICTS', True), d)
+        splitrconflicts  = strip_multilib_deps(localdata.getVar('RCONFLICTS'), d)
        splitrobsoletes  = []
-        splitrpreinst  = localdata.getVar('pkg_preinst', True)
+        splitrpreinst  = localdata.getVar('pkg_preinst')
-        splitrpostinst = localdata.getVar('pkg_postinst', True)
+        splitrpostinst = localdata.getVar('pkg_postinst')
-        splitrprerm    = localdata.getVar('pkg_prerm', True)
+        splitrprerm    = localdata.getVar('pkg_prerm')
-        splitrpostrm   = localdata.getVar('pkg_postrm', True)
+        splitrpostrm   = localdata.getVar('pkg_postrm')
        if not perfiledeps:
@@ -621,7 +621,7 @@ python write_specfile () {
    # RPMSPEC_PREAMBLE is a way to add arbitrary text to the top
    # of the generated spec file
-    external_preamble = d.getVar("RPMSPEC_PREAMBLE", True)
+    external_preamble = d.getVar("RPMSPEC_PREAMBLE")
    if external_preamble:
        specfile.write(external_preamble + "\n")
@@ -652,20 +652,20 @@ python do_package_rpm () {
    # We need a simple way to remove the MLPREFIX from the package name,
    # and dependency information...
    def strip_multilib(name, d):
-        ml = d.getVar("MLPREFIX", True)
+        ml = d.getVar("MLPREFIX")
        if ml and name and len(ml) != 0 and name.find(ml) >= 0:
            return "".join(name.split(ml))
        return name
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
-    pkgd = d.getVar('PKGD', True)
+    pkgd = d.getVar('PKGD')
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    if not workdir or not pkgd or not tmpdir:
        bb.error("Variables incorrectly set, unable to package")
        return
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
    if not packages or packages == '':
        bb.debug(1, "No packages; nothing to do")
        return
@@ -674,31 +674,31 @@ python do_package_rpm () {
    # If the spec file already exist, and has not been stored into 
    # pseudo's files.db, it maybe cause rpmbuild src.rpm fail,
    # so remove it before doing rpmbuild src.rpm.
-    srcname    = strip_multilib(d.getVar('PN', True), d)
+    srcname    = strip_multilib(d.getVar('PN'), d)
    outspecfile = workdir + "/" + srcname + ".spec"
    if os.path.isfile(outspecfile):
        os.remove(outspecfile)
    d.setVar('OUTSPECFILE', outspecfile)
    bb.build.exec_func('write_specfile', d)
-    perfiledeps = (d.getVar("MERGEPERFILEDEPS", True) or "0") == "0"
+    perfiledeps = (d.getVar("MERGEPERFILEDEPS") or "0") == "0"
    if perfiledeps:
        outdepends, outprovides = write_rpm_perfiledata(srcname, d)
    # Setup the rpmbuild arguments...
-    rpmbuild = d.getVar('RPMBUILD', True)
+    rpmbuild = d.getVar('RPMBUILD')
-    targetsys = d.getVar('TARGET_SYS', True)
+    targetsys = d.getVar('TARGET_SYS')
-    targetvendor = d.getVar('HOST_VENDOR', True)
+    targetvendor = d.getVar('HOST_VENDOR')
-    package_arch = (d.getVar('PACKAGE_ARCH', True) or "").replace("-", "_")
+    package_arch = (d.getVar('PACKAGE_ARCH') or "").replace("-", "_")
-    sdkpkgsuffix = (d.getVar('SDKPKGSUFFIX', True) or "nativesdk").replace("-", "_")
+    sdkpkgsuffix = (d.getVar('SDKPKGSUFFIX') or "nativesdk").replace("-", "_")
    if package_arch not in "all any noarch".split() and not package_arch.endswith(sdkpkgsuffix):
-        ml_prefix = (d.getVar('MLPREFIX', True) or "").replace("-", "_")
+        ml_prefix = (d.getVar('MLPREFIX') or "").replace("-", "_")
        d.setVar('PACKAGE_ARCH_EXTEND', ml_prefix + package_arch)
    else:
        d.setVar('PACKAGE_ARCH_EXTEND', package_arch)
    pkgwritedir = d.expand('${PKGWRITEDIRRPM}/${PACKAGE_ARCH_EXTEND}')
    d.setVar('RPM_PKGWRITEDIR', pkgwritedir)
-    bb.debug(1, 'PKGWRITEDIR: %s' % d.getVar('RPM_PKGWRITEDIR', True))
+    bb.debug(1, 'PKGWRITEDIR: %s' % d.getVar('RPM_PKGWRITEDIR'))
    pkgarch = d.expand('${PACKAGE_ARCH_EXTEND}${HOST_VENDOR}-${HOST_OS}')
    magicfile = d.expand('${STAGING_DIR_NATIVE}${datadir_native}/misc/magic.mgc')
    bb.utils.mkdirhier(pkgwritedir)
@@ -707,7 +707,7 @@ python do_package_rpm () {
    cmd = rpmbuild
    cmd = cmd + " --nodeps --short-circuit --target " + pkgarch + " --buildroot " + pkgd
    cmd = cmd + " --define '_topdir " + workdir + "' --define '_rpmdir " + pkgwritedir + "'"
-    cmd = cmd + " --define '_builddir " + d.getVar('S', True) + "'"
+    cmd = cmd + " --define '_builddir " + d.getVar('S') + "'"
    cmd = cmd + " --define '_build_name_fmt %%{NAME}-%%{VERSION}-%%{RELEASE}.%%{ARCH}.rpm'"
    cmd = cmd + " --define '_use_internal_dependency_generator 0'"
    if perfiledeps:
@@ -721,8 +721,8 @@ python do_package_rpm () {
    cmd = cmd + " --define '_rpmfc_magic_path " + magicfile + "'"
    cmd = cmd + " --define '_tmppath " + workdir + "'"
    if d.getVarFlag('ARCHIVER_MODE', 'srpm', True) == '1' and bb.data.inherits_class('archiver', d):
-        cmd = cmd + " --define '_sourcedir " + d.getVar('ARCHIVER_OUTDIR', True) + "'"
+        cmd = cmd + " --define '_sourcedir " + d.getVar('ARCHIVER_OUTDIR') + "'"
-        cmdsrpm = cmd + " --define '_srcrpmdir " + d.getVar('ARCHIVER_OUTDIR', True) + "'"
+        cmdsrpm = cmd + " --define '_srcrpmdir " + d.getVar('ARCHIVER_OUTDIR') + "'"
        cmdsrpm = cmdsrpm + " -bs " + outspecfile
        # Build the .src.rpm
        d.setVar('SBUILDSPEC', cmdsrpm + "\n")
@@ -735,12 +735,12 @@ python do_package_rpm () {
    d.setVarFlag('BUILDSPEC', 'func', '1')
    bb.build.exec_func('BUILDSPEC', d)
-    if d.getVar('RPM_SIGN_PACKAGES', True) == '1':
+    if d.getVar('RPM_SIGN_PACKAGES') == '1':
        bb.build.exec_func("sign_rpm", d)
 }
 python () {
-    if d.getVar('PACKAGES', True) != '':
+    if d.getVar('PACKAGES') != '':
        deps = ' rpm-native:do_populate_sysroot virtual/fakeroot-native:do_populate_sysroot'
        d.appendVarFlag('do_package_write_rpm', 'depends', deps)
        d.setVarFlag('do_package_write_rpm', 'fakeroot', '1')
diff --git a/meta/classes/package_tar.bbclass b/meta/classes/package_tar.bbclass
index e217814af4..3ff8b8f560 100644
--- a/meta/classes/package_tar.bbclass
+++ b/meta/classes/package_tar.bbclass
@@ -7,27 +7,27 @@ python do_package_tar () {
    oldcwd = os.getcwd()
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
    if not workdir:
        bb.error("WORKDIR not defined, unable to package")
        return
-    outdir = d.getVar('DEPLOY_DIR_TAR', True)
+    outdir = d.getVar('DEPLOY_DIR_TAR')
    if not outdir:
        bb.error("DEPLOY_DIR_TAR not defined, unable to package")
        return
-    dvar = d.getVar('D', True)
+    dvar = d.getVar('D')
    if not dvar:
        bb.error("D not defined, unable to package")
        return
-    packages = d.getVar('PACKAGES', True)
+    packages = d.getVar('PACKAGES')
    if not packages:
        bb.debug(1, "PACKAGES not defined, nothing to package")
        return
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    bb.utils.mkdirhier(outdir)
    bb.utils.mkdirhier(dvar)
@@ -46,7 +46,7 @@ python do_package_tar () {
        os.chdir(root)
        dlist = os.listdir(root)
        if not dlist:
-            bb.note("Not creating empty archive for %s-%s-%s" % (pkg, localdata.getVar('PKGV', True), localdata.getVar('PKGR', True)))
+            bb.note("Not creating empty archive for %s-%s-%s" % (pkg, localdata.getVar('PKGV'), localdata.getVar('PKGR')))
            continue
        args = "tar -cz --exclude=CONTROL --exclude=DEBIAN -f".split()
        ret = subprocess.call(args + [tarfn] + dlist)
@@ -57,7 +57,7 @@ python do_package_tar () {
 }
 python () {
-    if d.getVar('PACKAGES', True) != '':
+    if d.getVar('PACKAGES') != '':
        deps = (d.getVarFlag('do_package_write_tar', 'depends', True) or "").split()
        deps.append('tar-native:do_populate_sysroot')
        deps.append('virtual/fakeroot-native:do_populate_sysroot')
diff --git a/meta/classes/packagedata.bbclass b/meta/classes/packagedata.bbclass
index 3397f1e36b..a903e5cfd2 100644
--- a/meta/classes/packagedata.bbclass
+++ b/meta/classes/packagedata.bbclass
@@ -2,10 +2,10 @@ python read_subpackage_metadata () {
    import oe.packagedata
    vars = {
-        "PN" : d.getVar('PN', True), 
+        "PN" : d.getVar('PN'), 
-        "PE" : d.getVar('PE', True), 
+        "PE" : d.getVar('PE'), 
-        "PV" : d.getVar('PV', True),
+        "PV" : d.getVar('PV'),
-        "PR" : d.getVar('PR', True),
+        "PR" : d.getVar('PR'),
    }
    data = oe.packagedata.read_pkgdata(vars["PN"], d)
@@ -13,7 +13,7 @@ python read_subpackage_metadata () {
    for key in data.keys():
        d.setVar(key, data[key])
-    for pkg in d.getVar('PACKAGES', True).split():
+    for pkg in d.getVar('PACKAGES').split():
        sdata = oe.packagedata.read_subpkgdata(pkg, d)
        for key in sdata.keys():
            if key in vars:
diff --git a/meta/classes/packagefeed-stability.bbclass b/meta/classes/packagefeed-stability.bbclass
index aa01def74d..3a128073d0 100644
--- a/meta/classes/packagefeed-stability.bbclass
+++ b/meta/classes/packagefeed-stability.bbclass
@@ -31,7 +31,7 @@ python() {
    # This assumes that the package_write task is called package_write_<pkgtype>
    # and that the directory in which packages should be written is
    # pointed to by the variable DEPLOY_DIR_<PKGTYPE>
-    for pkgclass in (d.getVar('PACKAGE_CLASSES', True) or '').split():
+    for pkgclass in (d.getVar('PACKAGE_CLASSES') or '').split():
        if pkgclass.startswith('package_'):
            pkgtype = pkgclass.split('_', 1)[1]
            pkgwritefunc = 'do_package_write_%s' % pkgtype
@@ -71,7 +71,7 @@ python() {
 # This isn't the real task function - it's a template that we use in the
 # anonymous python code above
 fakeroot python do_package_compare () {
-    currenttask = d.getVar('BB_CURRENTTASK', True)
+    currenttask = d.getVar('BB_CURRENTTASK')
    pkgtype = currenttask.rsplit('_', 1)[1]
    package_compare_impl(pkgtype, d)
 }
@@ -83,12 +83,12 @@ def package_compare_impl(pkgtype, d):
    import subprocess
    import oe.sstatesig
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    deploydir = d.getVar('DEPLOY_DIR_%s' % pkgtype.upper(), True)
    prepath = deploydir + '-prediff/'
    # Find out PKGR values are
-    pkgdatadir = d.getVar('PKGDATA_DIR', True)
+    pkgdatadir = d.getVar('PKGDATA_DIR')
    packages = []
    try:
        with open(os.path.join(pkgdatadir, pn), 'r') as f:
@@ -138,7 +138,7 @@ def package_compare_impl(pkgtype, d):
    files = []
    docopy = False
    manifest, _ = oe.sstatesig.sstate_get_manifest_filename(pkgwritetask, d)
-    mlprefix = d.getVar('MLPREFIX', True)
+    mlprefix = d.getVar('MLPREFIX')
    # Copy recipe's all packages if one of the packages are different to make
    # they have the same PR.
    with open(manifest, 'r') as f:
@@ -215,7 +215,7 @@ def package_compare_impl(pkgtype, d):
                # multilib), they're identical in theory, but sstate.bbclass
                # copies it again, so keep align with that.
                if os.path.exists(destpath) and pkgtype == 'rpm' \
-                        and d.getVar('PACKAGE_ARCH', True) == 'all':
+                        and d.getVar('PACKAGE_ARCH') == 'all':
                    os.unlink(destpath)
                if (os.stat(srcpath).st_dev == os.stat(destdir).st_dev):
                    # Use a hard link to save space
@@ -229,7 +229,7 @@ def package_compare_impl(pkgtype, d):
 do_cleansstate[postfuncs] += "pfs_cleanpkgs"
 python pfs_cleanpkgs () {
    import errno
-    for pkgclass in (d.getVar('PACKAGE_CLASSES', True) or '').split():
+    for pkgclass in (d.getVar('PACKAGE_CLASSES') or '').split():
        if pkgclass.startswith('package_'):
            pkgtype = pkgclass.split('_', 1)[1]
            deploydir = d.getVar('DEPLOY_DIR_%s' % pkgtype.upper(), True)
diff --git a/meta/classes/packagegroup.bbclass b/meta/classes/packagegroup.bbclass
index 3928c8a4ac..a60a52b6d4 100644
--- a/meta/classes/packagegroup.bbclass
+++ b/meta/classes/packagegroup.bbclass
@@ -16,15 +16,15 @@ PACKAGE_ARCH_EXPANDED := "${PACKAGE_ARCH}"
 LICENSE ?= "MIT"
-inherit ${@oe.utils.ifelse(d.getVar('PACKAGE_ARCH_EXPANDED', True) == 'all', 'allarch', '')}
+inherit ${@oe.utils.ifelse(d.getVar('PACKAGE_ARCH_EXPANDED') == 'all', 'allarch', '')}
 # This automatically adds -dbg and -dev flavours of all PACKAGES
 # to the list. Their dependencies (RRECOMMENDS) are handled as usual
 # by package_depchains in a following step.
 # Also mark all packages as ALLOW_EMPTY
 python () {
-    packages = d.getVar('PACKAGES', True).split()
+    packages = d.getVar('PACKAGES').split()
-    if d.getVar('PACKAGEGROUP_DISABLE_COMPLEMENTARY', True) != '1':
+    if d.getVar('PACKAGEGROUP_DISABLE_COMPLEMENTARY') != '1':
        types = ['', '-dbg', '-dev']
        if bb.utils.contains('DISTRO_FEATURES', 'ptest', True, False, d):
            types.append('-ptest')
@@ -49,7 +49,7 @@ do_install[noexec] = "1"
 do_populate_sysroot[noexec] = "1"
 python () {
-    initman = d.getVar("VIRTUAL-RUNTIME_init_manager", True)
+    initman = d.getVar("VIRTUAL-RUNTIME_init_manager")
    if initman and initman in ['sysvinit', 'systemd'] and not bb.utils.contains('DISTRO_FEATURES', initman, True, False, d):
        bb.fatal("Please ensure that your setting of VIRTUAL-RUNTIME_init_manager (%s) matches the entries enabled in DISTRO_FEATURES" % initman)
 }
diff --git a/meta/classes/patch.bbclass b/meta/classes/patch.bbclass
index 0e5b602462..23ba5df48b 100644
--- a/meta/classes/patch.bbclass
+++ b/meta/classes/patch.bbclass
@@ -11,7 +11,7 @@ PATCH_GIT_USER_EMAIL ?= "oe.patch@oe"
 inherit terminal
 python () {
-    if d.getVar('PATCHTOOL', True) == 'git' and d.getVar('PATCH_COMMIT_FUNCTIONS', True) == '1':
+    if d.getVar('PATCHTOOL') == 'git' and d.getVar('PATCH_COMMIT_FUNCTIONS') == '1':
        tasks = list(filter(lambda k: d.getVarFlag(k, "task", True), d.keys()))
        extratasks = []
        def follow_chain(task, endtask, chain=None):
@@ -44,8 +44,8 @@ python () {
 python patch_task_patch_prefunc() {
    # Prefunc for do_patch
-    func = d.getVar('BB_RUNTASK', True)
+    func = d.getVar('BB_RUNTASK')
-    srcsubdir = d.getVar('S', True)
+    srcsubdir = d.getVar('S')
    patchdir = os.path.join(srcsubdir, 'patches')
    if os.path.exists(patchdir):
@@ -59,12 +59,12 @@ python patch_task_postfunc() {
    # Prefunc for task functions between do_unpack and do_patch
    import oe.patch
    import shutil
-    func = d.getVar('BB_RUNTASK', True)
+    func = d.getVar('BB_RUNTASK')
-    srcsubdir = d.getVar('S', True)
+    srcsubdir = d.getVar('S')
    if os.path.exists(srcsubdir):
        if func == 'do_patch':
-            haspatches = (d.getVar('PATCH_HAS_PATCHES_DIR', True) == '1')
+            haspatches = (d.getVar('PATCH_HAS_PATCHES_DIR') == '1')
            patchdir = os.path.join(srcsubdir, 'patches')
            if os.path.exists(patchdir):
                shutil.rmtree(patchdir)
@@ -99,20 +99,20 @@ python patch_do_patch() {
        "git": oe.patch.GitApplyTree,
    }
-    cls = patchsetmap[d.getVar('PATCHTOOL', True) or 'quilt']
+    cls = patchsetmap[d.getVar('PATCHTOOL') or 'quilt']
    resolvermap = {
        "noop": oe.patch.NOOPResolver,
        "user": oe.patch.UserResolver,
    }
-    rcls = resolvermap[d.getVar('PATCHRESOLVE', True) or 'user']
+    rcls = resolvermap[d.getVar('PATCHRESOLVE') or 'user']
    classes = {}
-    s = d.getVar('S', True)
+    s = d.getVar('S')
-    os.putenv('PATH', d.getVar('PATH', True))
+    os.putenv('PATH', d.getVar('PATH'))
    # We must use one TMPDIR per process so that the "patch" processes
    # don't generate the same temp file name.
diff --git a/meta/classes/pixbufcache.bbclass b/meta/classes/pixbufcache.bbclass
index 3f48a0f344..63bf079cf1 100644
--- a/meta/classes/pixbufcache.bbclass
+++ b/meta/classes/pixbufcache.bbclass
@@ -28,20 +28,20 @@ fi
 }
 python populate_packages_append() {
-    pixbuf_pkgs = d.getVar('PIXBUF_PACKAGES', True).split()
+    pixbuf_pkgs = d.getVar('PIXBUF_PACKAGES').split()
    for pkg in pixbuf_pkgs:
        bb.note("adding pixbuf postinst and postrm scripts to %s" % pkg)
-        postinst = d.getVar('pkg_postinst_%s' % pkg, True) or d.getVar('pkg_postinst', True)
+        postinst = d.getVar('pkg_postinst_%s' % pkg) or d.getVar('pkg_postinst')
        if not postinst:
            postinst = '#!/bin/sh\n'
-        postinst += d.getVar('pixbufcache_common', True)
+        postinst += d.getVar('pixbufcache_common')
        d.setVar('pkg_postinst_%s' % pkg, postinst)
-        postrm = d.getVar('pkg_postrm_%s' % pkg, True) or d.getVar('pkg_postrm', True)
+        postrm = d.getVar('pkg_postrm_%s' % pkg) or d.getVar('pkg_postrm')
        if not postrm:
            postrm = '#!/bin/sh\n'
-        postrm += d.getVar('pixbufcache_common', True)
+        postrm += d.getVar('pixbufcache_common')
        d.setVar('pkg_postrm_%s' % pkg, postrm)
 }
diff --git a/meta/classes/populate_sdk_base.bbclass b/meta/classes/populate_sdk_base.bbclass
index 220cde6925..48bc3959f5 100644
--- a/meta/classes/populate_sdk_base.bbclass
+++ b/meta/classes/populate_sdk_base.bbclass
@@ -11,7 +11,7 @@ COMPLEMENTARY_GLOB[ptest-pkgs] = '*-ptest'
 def complementary_globs(featurevar, d):
    all_globs = d.getVarFlags('COMPLEMENTARY_GLOB')
    globs = []
-    features = set((d.getVar(featurevar, True) or '').split())
+    features = set((d.getVar(featurevar) or '').split())
    for name, glob in all_globs.items():
        if name in features:
            globs.append(glob)
@@ -57,30 +57,30 @@ SDK_PRE_INSTALL_COMMAND ?= ""
 SDK_POST_INSTALL_COMMAND ?= ""
 SDK_RELOCATE_AFTER_INSTALL ?= "1"
-SDKEXTPATH ?= "~/${@d.getVar('DISTRO', True)}_sdk"
+SDKEXTPATH ?= "~/${@d.getVar('DISTRO')}_sdk"
-SDK_TITLE ?= "${@d.getVar('DISTRO_NAME', True) or d.getVar('DISTRO', True)} SDK"
+SDK_TITLE ?= "${@d.getVar('DISTRO_NAME') or d.getVar('DISTRO')} SDK"
 SDK_TARGET_MANIFEST = "${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.target.manifest"
 SDK_HOST_MANIFEST = "${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.host.manifest"
 python write_target_sdk_manifest () {
    from oe.sdk import sdk_list_installed_packages
    from oe.utils import format_pkg_list
-    sdkmanifestdir = os.path.dirname(d.getVar("SDK_TARGET_MANIFEST", True))
+    sdkmanifestdir = os.path.dirname(d.getVar("SDK_TARGET_MANIFEST"))
    pkgs = sdk_list_installed_packages(d, True)
    if not os.path.exists(sdkmanifestdir):
        bb.utils.mkdirhier(sdkmanifestdir)
-    with open(d.getVar('SDK_TARGET_MANIFEST', True), 'w') as output:
+    with open(d.getVar('SDK_TARGET_MANIFEST'), 'w') as output:
        output.write(format_pkg_list(pkgs, 'ver'))
 }
 python write_host_sdk_manifest () {
    from oe.sdk import sdk_list_installed_packages
    from oe.utils import format_pkg_list
-    sdkmanifestdir = os.path.dirname(d.getVar("SDK_HOST_MANIFEST", True))
+    sdkmanifestdir = os.path.dirname(d.getVar("SDK_HOST_MANIFEST"))
    pkgs = sdk_list_installed_packages(d, False)
    if not os.path.exists(sdkmanifestdir):
        bb.utils.mkdirhier(sdkmanifestdir)
-    with open(d.getVar('SDK_HOST_MANIFEST', True), 'w') as output:
+    with open(d.getVar('SDK_HOST_MANIFEST'), 'w') as output:
        output.write(format_pkg_list(pkgs, 'ver'))
 }
@@ -93,7 +93,7 @@ def populate_sdk_common(d):
    from oe.sdk import populate_sdk
    from oe.manifest import create_manifest, Manifest
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    runtime_mapping_rename("TOOLCHAIN_TARGET_TASK", pn, d)
    runtime_mapping_rename("TOOLCHAIN_TARGET_TASK_ATTEMPTONLY", pn, d)
@@ -101,13 +101,13 @@ def populate_sdk_common(d):
    ld.setVar("PKGDATA_DIR", "${STAGING_DIR}/${SDK_ARCH}-${SDKPKGSUFFIX}${SDK_VENDOR}-${SDK_OS}/pkgdata")
    runtime_mapping_rename("TOOLCHAIN_HOST_TASK", pn, ld)
    runtime_mapping_rename("TOOLCHAIN_HOST_TASK_ATTEMPTONLY", pn, ld)
-    d.setVar("TOOLCHAIN_HOST_TASK", ld.getVar("TOOLCHAIN_HOST_TASK", True))
+    d.setVar("TOOLCHAIN_HOST_TASK", ld.getVar("TOOLCHAIN_HOST_TASK"))
-    d.setVar("TOOLCHAIN_HOST_TASK_ATTEMPTONLY", ld.getVar("TOOLCHAIN_HOST_TASK_ATTEMPTONLY", True))
+    d.setVar("TOOLCHAIN_HOST_TASK_ATTEMPTONLY", ld.getVar("TOOLCHAIN_HOST_TASK_ATTEMPTONLY"))
    
    # create target/host SDK manifests
-    create_manifest(d, manifest_dir=d.getVar('SDK_DIR', True),
+    create_manifest(d, manifest_dir=d.getVar('SDK_DIR'),
                    manifest_type=Manifest.MANIFEST_TYPE_SDK_HOST)
-    create_manifest(d, manifest_dir=d.getVar('SDK_DIR', True),
+    create_manifest(d, manifest_dir=d.getVar('SDK_DIR'),
                    manifest_type=Manifest.MANIFEST_TYPE_SDK_TARGET)
    populate_sdk(d)
@@ -134,7 +134,7 @@ fakeroot create_sdk_files() {
 python check_sdk_sysroots() {
    # Fails build if there are broken or dangling symlinks in SDK sysroots
-    if d.getVar('CHECK_SDK_SYSROOTS', True) != '1':
+    if d.getVar('CHECK_SDK_SYSROOTS') != '1':
        # disabled, bail out
        return
@@ -142,8 +142,8 @@ python check_sdk_sysroots() {
        return os.path.abspath(path)
    # Get scan root
-    SCAN_ROOT = norm_path("%s/%s/sysroots/" % (d.getVar('SDK_OUTPUT', True),
+    SCAN_ROOT = norm_path("%s/%s/sysroots/" % (d.getVar('SDK_OUTPUT'),
-                                               d.getVar('SDKPATH', True)))
+                                               d.getVar('SDKPATH')))
    bb.note('Checking SDK sysroots at ' + SCAN_ROOT)
@@ -218,7 +218,7 @@ EOF
                -e 's#@SDKEXTPATH@#${SDKEXTPATH}#g' \
                -e 's#@OLDEST_KERNEL@#${SDK_OLDEST_KERNEL}#g' \
                -e 's#@REAL_MULTIMACH_TARGET_SYS@#${REAL_MULTIMACH_TARGET_SYS}#g' \
-                -e 's#@SDK_TITLE@#${@d.getVar("SDK_TITLE", True).replace('&', '\&')}#g' \
+                -e 's#@SDK_TITLE@#${@d.getVar("SDK_TITLE").replace('&', '\&')}#g' \
                -e 's#@SDK_VERSION@#${SDK_VERSION}#g' \
                -e '/@SDK_PRE_INSTALL_COMMAND@/d' \
                -e '/@SDK_POST_INSTALL_COMMAND@/d' \
@@ -268,7 +268,7 @@ do_populate_sdk[file-checksums] += "${COREBASE}/meta/files/toolchain-shar-reloca
                                    ${COREBASE}/meta/files/toolchain-shar-extract.sh:True"
 do_populate_sdk[dirs] = "${PKGDATA_DIR} ${TOPDIR}"
-do_populate_sdk[depends] += "${@' '.join([x + ':do_populate_sysroot' for x in d.getVar('SDK_DEPENDS', True).split()])}  ${@d.getVarFlag('do_rootfs', 'depends', False)}"
+do_populate_sdk[depends] += "${@' '.join([x + ':do_populate_sysroot' for x in d.getVar('SDK_DEPENDS').split()])}  ${@d.getVarFlag('do_rootfs', 'depends', False)}"
-do_populate_sdk[rdepends] = "${@' '.join([x + ':do_populate_sysroot' for x in d.getVar('SDK_RDEPENDS', True).split()])}"
+do_populate_sdk[rdepends] = "${@' '.join([x + ':do_populate_sysroot' for x in d.getVar('SDK_RDEPENDS').split()])}"
 do_populate_sdk[recrdeptask] += "do_packagedata do_package_write_rpm do_package_write_ipk do_package_write_deb"
 addtask populate_sdk
diff --git a/meta/classes/populate_sdk_ext.bbclass b/meta/classes/populate_sdk_ext.bbclass
index 1affa9dfaa..be8b6a1f6f 100644
--- a/meta/classes/populate_sdk_ext.bbclass
+++ b/meta/classes/populate_sdk_ext.bbclass
@@ -21,7 +21,7 @@ SDK_EXT_task-populate-sdk-ext = "-ext"
 # Options are full or minimal
 SDK_EXT_TYPE ?= "full"
 SDK_INCLUDE_PKGDATA ?= "0"
-SDK_INCLUDE_TOOLCHAIN ?= "${@'1' if d.getVar('SDK_EXT_TYPE', True) == 'full' else '0'}"
+SDK_INCLUDE_TOOLCHAIN ?= "${@'1' if d.getVar('SDK_EXT_TYPE') == 'full' else '0'}"
 SDK_RECRDEP_TASKS ?= ""
@@ -43,8 +43,8 @@ SDK_TARGETS ?= "${PN}"
 def get_sdk_install_targets(d, images_only=False):
    sdk_install_targets = ''
-    if images_only or d.getVar('SDK_EXT_TYPE', True) != 'minimal':
+    if images_only or d.getVar('SDK_EXT_TYPE') != 'minimal':
-        sdk_install_targets = d.getVar('SDK_TARGETS', True)
+        sdk_install_targets = d.getVar('SDK_TARGETS')
        depd = d.getVar('BB_TASKDEPDATA', False)
        for v in depd.values():
@@ -53,9 +53,9 @@ def get_sdk_install_targets(d, images_only=False):
                    sdk_install_targets += ' {}'.format(v[0])
    if not images_only:
-        if d.getVar('SDK_INCLUDE_PKGDATA', True) == '1':
+        if d.getVar('SDK_INCLUDE_PKGDATA') == '1':
            sdk_install_targets += ' meta-world-pkgdata:do_allpackagedata'
-        if d.getVar('SDK_INCLUDE_TOOLCHAIN', True) == '1':
+        if d.getVar('SDK_INCLUDE_TOOLCHAIN') == '1':
            sdk_install_targets += ' meta-extsdk-toolchain:do_populate_sysroot'
    return sdk_install_targets
@@ -83,7 +83,7 @@ TOOLCHAIN_OUTPUTNAME_task-populate-sdk-ext = "${TOOLCHAINEXT_OUTPUTNAME}"
 SDK_EXT_TARGET_MANIFEST = "${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.target.manifest"
 SDK_EXT_HOST_MANIFEST = "${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.host.manifest"
-SDK_TITLE_task-populate-sdk-ext = "${@d.getVar('DISTRO_NAME', True) or d.getVar('DISTRO', True)} Extensible SDK"
+SDK_TITLE_task-populate-sdk-ext = "${@d.getVar('DISTRO_NAME') or d.getVar('DISTRO')} Extensible SDK"
 def clean_esdk_builddir(d, sdkbasepath):
    """Clean up traces of the fake build for create_filtered_tasklist()"""
@@ -110,7 +110,7 @@ def create_filtered_tasklist(d, sdkbasepath, tasklistfile, conf_initpath):
    try:
        with open(sdkbasepath + '/conf/local.conf', 'a') as f:
            # Force the use of sstate from the build system
-            f.write('\nSSTATE_DIR_forcevariable = "%s"\n' % d.getVar('SSTATE_DIR', True))
+            f.write('\nSSTATE_DIR_forcevariable = "%s"\n' % d.getVar('SSTATE_DIR'))
            f.write('SSTATE_MIRRORS_forcevariable = ""\n')
            # Ensure TMPDIR is the default so that clean_esdk_builddir() can delete it
            f.write('TMPDIR_forcevariable = "${TOPDIR}/tmp"\n')
@@ -121,7 +121,7 @@ def create_filtered_tasklist(d, sdkbasepath, tasklistfile, conf_initpath):
        # Unfortunately the default SDKPATH (or even a custom value) may contain characters that bitbake
        # will not allow in its COREBASE path, so we need to rename the directory temporarily
-        temp_sdkbasepath = d.getVar('SDK_OUTPUT', True) + '/tmp-renamed-sdk'
+        temp_sdkbasepath = d.getVar('SDK_OUTPUT') + '/tmp-renamed-sdk'
        # Delete any existing temp dir
        try:
            shutil.rmtree(temp_sdkbasepath)
@@ -130,7 +130,7 @@ def create_filtered_tasklist(d, sdkbasepath, tasklistfile, conf_initpath):
        os.rename(sdkbasepath, temp_sdkbasepath)
        try:
            cmdprefix = '. %s .; ' % conf_initpath
-            logfile = d.getVar('WORKDIR', True) + '/tasklist_bb_log.txt'
+            logfile = d.getVar('WORKDIR') + '/tasklist_bb_log.txt'
            try:
                oe.copy_buildsystem.check_sstate_task_list(d, get_sdk_install_targets(d), tasklistfile, cmdprefix=cmdprefix, cwd=temp_sdkbasepath, logfile=logfile)
            except bb.process.ExecutionError as e:
@@ -152,7 +152,7 @@ python copy_buildsystem () {
    import glob
    import oe.copy_buildsystem
-    oe_init_env_script = d.getVar('OE_INIT_ENV_SCRIPT', True)
+    oe_init_env_script = d.getVar('OE_INIT_ENV_SCRIPT')
    conf_bbpath = ''
    conf_initpath = ''
@@ -160,10 +160,10 @@ python copy_buildsystem () {
    # Copy in all metadata layers + bitbake (as repositories)
    buildsystem = oe.copy_buildsystem.BuildSystem('extensible SDK', d)
-    baseoutpath = d.getVar('SDK_OUTPUT', True) + '/' + d.getVar('SDKPATH', True)
+    baseoutpath = d.getVar('SDK_OUTPUT') + '/' + d.getVar('SDKPATH')
    # Determine if we're building a derivative extensible SDK (from devtool build-sdk)
-    derivative = (d.getVar('SDK_DERIVATIVE', True) or '') == '1'
+    derivative = (d.getVar('SDK_DERIVATIVE') or '') == '1'
    if derivative:
        workspace_name = 'orig-workspace'
    else:
@@ -171,7 +171,7 @@ python copy_buildsystem () {
    layers_copied = buildsystem.copy_bitbake_and_layers(baseoutpath + '/layers', workspace_name)
    sdkbblayers = []
-    corebase = os.path.basename(d.getVar('COREBASE', True))
+    corebase = os.path.basename(d.getVar('COREBASE'))
    for layer in layers_copied:
        if corebase == os.path.basename(layer):
            conf_bbpath = os.path.join('layers', layer, 'bitbake')
@@ -202,8 +202,8 @@ python copy_buildsystem () {
    config.set('General', 'init_path', conf_initpath)
    config.set('General', 'core_meta_subdir', core_meta_subdir)
    config.add_section('SDK')
-    config.set('SDK', 'sdk_targets', d.getVar('SDK_TARGETS', True))
+    config.set('SDK', 'sdk_targets', d.getVar('SDK_TARGETS'))
-    updateurl = d.getVar('SDK_UPDATE_URL', True)
+    updateurl = d.getVar('SDK_UPDATE_URL')
    if updateurl:
        config.set('SDK', 'updateserver', updateurl)
    bb.utils.mkdirhier(os.path.join(baseoutpath, 'conf'))
@@ -215,7 +215,7 @@ python copy_buildsystem () {
        pass
    # Create a layer for new recipes / appends
-    bbpath = d.getVar('BBPATH', True)
+    bbpath = d.getVar('BBPATH')
    bb.process.run(['devtool', '--bbpath', bbpath, '--basepath', baseoutpath, 'create-workspace', '--create-only', os.path.join(baseoutpath, 'workspace')])
    # Create bblayers.conf
@@ -248,16 +248,16 @@ python copy_buildsystem () {
    bb.utils.mkdirhier(uninative_outdir)
    shutil.copy(uninative_file, uninative_outdir)
-    env_whitelist = (d.getVar('BB_ENV_EXTRAWHITE', True) or '').split()
+    env_whitelist = (d.getVar('BB_ENV_EXTRAWHITE') or '').split()
    env_whitelist_values = {}
    # Create local.conf
-    builddir = d.getVar('TOPDIR', True)
+    builddir = d.getVar('TOPDIR')
    if derivative:
        shutil.copyfile(builddir + '/conf/local.conf', baseoutpath + '/conf/local.conf')
    else:
-        local_conf_whitelist = (d.getVar('SDK_LOCAL_CONF_WHITELIST', True) or '').split()
+        local_conf_whitelist = (d.getVar('SDK_LOCAL_CONF_WHITELIST') or '').split()
-        local_conf_blacklist = (d.getVar('SDK_LOCAL_CONF_BLACKLIST', True) or '').split()
+        local_conf_blacklist = (d.getVar('SDK_LOCAL_CONF_BLACKLIST') or '').split()
        def handle_var(varname, origvalue, op, newlines):
            if varname in local_conf_blacklist or (origvalue.strip().startswith('/') and not varname in local_conf_whitelist):
                newlines.append('# Removed original setting of %s\n' % varname)
@@ -285,7 +285,7 @@ python copy_buildsystem () {
            f.write('DL_DIR = "${TOPDIR}/downloads"\n')
            f.write('INHERIT += "%s"\n' % 'uninative')
-            f.write('UNINATIVE_CHECKSUM[%s] = "%s"\n\n' % (d.getVar('BUILD_ARCH', True), uninative_checksum))
+            f.write('UNINATIVE_CHECKSUM[%s] = "%s"\n\n' % (d.getVar('BUILD_ARCH'), uninative_checksum))
            f.write('CONF_VERSION = "%s"\n\n' % d.getVar('CONF_VERSION', False))
            # Some classes are not suitable for SDK, remove them from INHERIT
@@ -319,7 +319,7 @@ python copy_buildsystem () {
            # If you define a sdk_extraconf() function then it can contain additional config
            # (Though this is awkward; sdk-extra.conf should probably be used instead)
-            extraconf = (d.getVar('sdk_extraconf', True) or '').strip()
+            extraconf = (d.getVar('sdk_extraconf') or '').strip()
            if extraconf:
                # Strip off any leading / trailing spaces
                for line in extraconf.splitlines():
@@ -352,7 +352,7 @@ python copy_buildsystem () {
    # BB_ENV_EXTRAWHITE) are set in the SDK's configuration
    extralines = []
    for name, value in env_whitelist_values.items():
-        actualvalue = d.getVar(name, True) or ''
+        actualvalue = d.getVar(name) or ''
        if value != actualvalue:
            extralines.append('%s = "%s"\n' % (name, actualvalue))
    if extralines:
@@ -365,7 +365,7 @@ python copy_buildsystem () {
    # Filter the locked signatures file to just the sstate tasks we are interested in
    excluded_targets = get_sdk_install_targets(d, images_only=True)
-    sigfile = d.getVar('WORKDIR', True) + '/locked-sigs.inc'
+    sigfile = d.getVar('WORKDIR') + '/locked-sigs.inc'
    lockedsigs_pruned = baseoutpath + '/conf/locked-sigs.inc'
    oe.copy_buildsystem.prune_lockedsigs([],
                                         excluded_targets.split(),
@@ -378,36 +378,36 @@ python copy_buildsystem () {
    # uninative.bbclass sets NATIVELSBSTRING to 'universal%s' % oe.utils.host_gcc_version(d)
    fixedlsbstring = "universal%s" % oe.utils.host_gcc_version(d)
-    sdk_include_toolchain = (d.getVar('SDK_INCLUDE_TOOLCHAIN', True) == '1')
+    sdk_include_toolchain = (d.getVar('SDK_INCLUDE_TOOLCHAIN') == '1')
-    sdk_ext_type = d.getVar('SDK_EXT_TYPE', True)
+    sdk_ext_type = d.getVar('SDK_EXT_TYPE')
    if sdk_ext_type != 'minimal' or sdk_include_toolchain or derivative:
        # Create the filtered task list used to generate the sstate cache shipped with the SDK
-        tasklistfn = d.getVar('WORKDIR', True) + '/tasklist.txt'
+        tasklistfn = d.getVar('WORKDIR') + '/tasklist.txt'
        create_filtered_tasklist(d, baseoutpath, tasklistfn, conf_initpath)
    else:
        tasklistfn = None
    # Add packagedata if enabled
-    if d.getVar('SDK_INCLUDE_PKGDATA', True) == '1':
+    if d.getVar('SDK_INCLUDE_PKGDATA') == '1':
-        lockedsigs_base = d.getVar('WORKDIR', True) + '/locked-sigs-base.inc'
+        lockedsigs_base = d.getVar('WORKDIR') + '/locked-sigs-base.inc'
-        lockedsigs_copy = d.getVar('WORKDIR', True) + '/locked-sigs-copy.inc'
+        lockedsigs_copy = d.getVar('WORKDIR') + '/locked-sigs-copy.inc'
        shutil.move(lockedsigs_pruned, lockedsigs_base)
        oe.copy_buildsystem.merge_lockedsigs(['do_packagedata'],
                                             lockedsigs_base,
-                                             d.getVar('STAGING_DIR_HOST', True) + '/world-pkgdata/locked-sigs-pkgdata.inc',
+                                             d.getVar('STAGING_DIR_HOST') + '/world-pkgdata/locked-sigs-pkgdata.inc',
                                             lockedsigs_pruned,
                                             lockedsigs_copy)
    if sdk_include_toolchain:
-        lockedsigs_base = d.getVar('WORKDIR', True) + '/locked-sigs-base2.inc'
+        lockedsigs_base = d.getVar('WORKDIR') + '/locked-sigs-base2.inc'
-        lockedsigs_toolchain = d.getVar('STAGING_DIR_HOST', True) + '/locked-sigs/locked-sigs-extsdk-toolchain.inc'
+        lockedsigs_toolchain = d.getVar('STAGING_DIR_HOST') + '/locked-sigs/locked-sigs-extsdk-toolchain.inc'
        shutil.move(lockedsigs_pruned, lockedsigs_base)
        oe.copy_buildsystem.merge_lockedsigs([],
                                             lockedsigs_base,
                                             lockedsigs_toolchain,
                                             lockedsigs_pruned)
        oe.copy_buildsystem.create_locked_sstate_cache(lockedsigs_toolchain,
-                                                       d.getVar('SSTATE_DIR', True),
+                                                       d.getVar('SSTATE_DIR'),
                                                       sstate_out, d,
                                                       fixedlsbstring,
                                                       filterfile=tasklistfn)
@@ -417,22 +417,22 @@ python copy_buildsystem () {
            # Assume the user is not going to set up an additional sstate
            # mirror, thus we need to copy the additional artifacts (from
            # workspace recipes) into the derivative SDK
-            lockedsigs_orig = d.getVar('TOPDIR', True) + '/conf/locked-sigs.inc'
+            lockedsigs_orig = d.getVar('TOPDIR') + '/conf/locked-sigs.inc'
            if os.path.exists(lockedsigs_orig):
-                lockedsigs_extra = d.getVar('WORKDIR', True) + '/locked-sigs-extra.inc'
+                lockedsigs_extra = d.getVar('WORKDIR') + '/locked-sigs-extra.inc'
                oe.copy_buildsystem.merge_lockedsigs(None,
                                                     lockedsigs_orig,
                                                     lockedsigs_pruned,
                                                     None,
                                                     lockedsigs_extra)
                oe.copy_buildsystem.create_locked_sstate_cache(lockedsigs_extra,
-                                                               d.getVar('SSTATE_DIR', True),
+                                                               d.getVar('SSTATE_DIR'),
                                                               sstate_out, d,
                                                               fixedlsbstring,
                                                               filterfile=tasklistfn)
    else:
        oe.copy_buildsystem.create_locked_sstate_cache(lockedsigs_pruned,
-                                                       d.getVar('SSTATE_DIR', True),
+                                                       d.getVar('SSTATE_DIR'),
                                                       sstate_out, d,
                                                       fixedlsbstring,
                                                       filterfile=tasklistfn)
@@ -463,24 +463,24 @@ python copy_buildsystem () {
 def get_current_buildtools(d):
    """Get the file name of the current buildtools installer"""
    import glob
-    btfiles = glob.glob(os.path.join(d.getVar('SDK_DEPLOY', True), '*-buildtools-nativesdk-standalone-*.sh'))
+    btfiles = glob.glob(os.path.join(d.getVar('SDK_DEPLOY'), '*-buildtools-nativesdk-standalone-*.sh'))
    btfiles.sort(key=os.path.getctime)
    return os.path.basename(btfiles[-1])
 def get_sdk_required_utilities(buildtools_fn, d):
    """Find required utilities that aren't provided by the buildtools"""
-    sanity_required_utilities = (d.getVar('SANITY_REQUIRED_UTILITIES', True) or '').split()
+    sanity_required_utilities = (d.getVar('SANITY_REQUIRED_UTILITIES') or '').split()
    sanity_required_utilities.append(d.expand('${BUILD_PREFIX}gcc'))
    sanity_required_utilities.append(d.expand('${BUILD_PREFIX}g++'))
-    buildtools_installer = os.path.join(d.getVar('SDK_DEPLOY', True), buildtools_fn)
+    buildtools_installer = os.path.join(d.getVar('SDK_DEPLOY'), buildtools_fn)
    filelist, _ = bb.process.run('%s -l' % buildtools_installer)
    localdata = bb.data.createCopy(d)
    localdata.setVar('SDKPATH', '.')
-    sdkpathnative = localdata.getVar('SDKPATHNATIVE', True)
+    sdkpathnative = localdata.getVar('SDKPATHNATIVE')
-    sdkbindirs = [localdata.getVar('bindir_nativesdk', True),
+    sdkbindirs = [localdata.getVar('bindir_nativesdk'),
-                  localdata.getVar('sbindir_nativesdk', True),
+                  localdata.getVar('sbindir_nativesdk'),
-                  localdata.getVar('base_bindir_nativesdk', True),
+                  localdata.getVar('base_bindir_nativesdk'),
-                  localdata.getVar('base_sbindir_nativesdk', True)]
+                  localdata.getVar('base_sbindir_nativesdk')]
    for line in filelist.splitlines():
        splitline = line.split()
        if len(splitline) > 5:
@@ -509,7 +509,7 @@ install_tools() {
        # (they get populated from sstate on installation)
        unfsd_path="${SDK_OUTPUT}/${SDKPATHNATIVE}${bindir_nativesdk}/unfsd"
        if [ "${SDK_INCLUDE_TOOLCHAIN}" == "1" -a ! -e $unfsd_path ] ; then
-                binrelpath=${@os.path.relpath(d.getVar('STAGING_BINDIR_NATIVE',True), d.getVar('TOPDIR', True))}
+                binrelpath=${@os.path.relpath(d.getVar('STAGING_BINDIR_NATIVE',True), d.getVar('TOPDIR'))}
                lnr ${SDK_OUTPUT}/${SDKPATH}/$binrelpath/unfsd $unfsd_path
        fi
        touch ${SDK_OUTPUT}/${SDKPATH}/.devtoolbase
@@ -611,8 +611,8 @@ SDK_INSTALL_TARGETS = ""
 fakeroot python do_populate_sdk_ext() {
    # FIXME hopefully we can remove this restriction at some point, but uninative
    # currently forces this upon us
-    if d.getVar('SDK_ARCH', True) != d.getVar('BUILD_ARCH', True):
+    if d.getVar('SDK_ARCH') != d.getVar('BUILD_ARCH'):
-        bb.fatal('The extensible SDK can currently only be built for the same architecture as the machine being built on - SDK_ARCH is set to %s (likely via setting SDKMACHINE) which is different from the architecture of the build machine (%s). Unable to continue.' % (d.getVar('SDK_ARCH', True), d.getVar('BUILD_ARCH', True)))
+        bb.fatal('The extensible SDK can currently only be built for the same architecture as the machine being built on - SDK_ARCH is set to %s (likely via setting SDKMACHINE) which is different from the architecture of the build machine (%s). Unable to continue.' % (d.getVar('SDK_ARCH'), d.getVar('BUILD_ARCH')))
    d.setVar('SDK_INSTALL_TARGETS', get_sdk_install_targets(d))
    buildtools_fn = get_current_buildtools(d)
@@ -626,7 +626,7 @@ fakeroot python do_populate_sdk_ext() {
 def get_ext_sdk_depends(d):
    # Note: the deps varflag is a list not a string, so we need to specify expand=False
    deps = d.getVarFlag('do_image_complete', 'deps', False)
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    deplist = ['%s:%s' % (pn, dep) for dep in deps]
    for task in ['do_image_complete', 'do_rootfs', 'do_build']:
        deplist.extend((d.getVarFlag(task, 'depends', True) or '').split())
@@ -637,7 +637,7 @@ python do_sdk_depends() {
    # dependencies we don't need to (e.g. buildtools-tarball) and bringing those
    # into the SDK's sstate-cache
    import oe.copy_buildsystem
-    sigfile = d.getVar('WORKDIR', True) + '/locked-sigs.inc'
+    sigfile = d.getVar('WORKDIR') + '/locked-sigs.inc'
    oe.copy_buildsystem.generate_locked_sigs(sigfile, d)
 }
 addtask sdk_depends
@@ -658,10 +658,10 @@ do_populate_sdk_ext[dirs] = "${@d.getVarFlag('do_populate_sdk', 'dirs', False)}"
 do_populate_sdk_ext[depends] = "${@d.getVarFlag('do_populate_sdk', 'depends', False)} \
                                buildtools-tarball:do_populate_sdk uninative-tarball:do_populate_sdk \
-                                ${@'meta-world-pkgdata:do_collect_packagedata' if d.getVar('SDK_INCLUDE_PKGDATA', True) == '1' else ''} \
+                                ${@'meta-world-pkgdata:do_collect_packagedata' if d.getVar('SDK_INCLUDE_PKGDATA') == '1' else ''} \
-                                ${@'meta-extsdk-toolchain:do_locked_sigs' if d.getVar('SDK_INCLUDE_TOOLCHAIN', True) == '1' else ''}"
+                                ${@'meta-extsdk-toolchain:do_locked_sigs' if d.getVar('SDK_INCLUDE_TOOLCHAIN') == '1' else ''}"
-do_populate_sdk_ext[rdepends] += "${@' '.join([x + ':do_build' for x in d.getVar('SDK_TARGETS', True).split()])}"
+do_populate_sdk_ext[rdepends] += "${@' '.join([x + ':do_build' for x in d.getVar('SDK_TARGETS').split()])}"
 # Make sure code changes can result in rebuild
 do_populate_sdk_ext[vardeps] += "copy_buildsystem \
diff --git a/meta/classes/prexport.bbclass b/meta/classes/prexport.bbclass
index 809ec1034e..6dcf99e29f 100644
--- a/meta/classes/prexport.bbclass
+++ b/meta/classes/prexport.bbclass
@@ -15,7 +15,7 @@ python prexport_handler () {
    if isinstance(e, bb.event.RecipeParsed):
        import oe.prservice
        #get all PR values for the current PRAUTOINX
-        ver = e.data.getVar('PRSERV_DUMPOPT_VERSION', True)
+        ver = e.data.getVar('PRSERV_DUMPOPT_VERSION')
        ver = ver.replace('%','-')
        retval = oe.prservice.prserv_dump_db(e.data)
        if not retval:
@@ -40,7 +40,7 @@ python prexport_handler () {
        import oe.prservice
        oe.prservice.prserv_check_avail(e.data)
        #remove dumpfile
-        bb.utils.remove(e.data.getVar('PRSERV_DUMPFILE', True))
+        bb.utils.remove(e.data.getVar('PRSERV_DUMPFILE'))
    elif isinstance(e, bb.event.ParseCompleted):
        import oe.prservice
        #dump meta info of tables
diff --git a/meta/classes/ptest.bbclass b/meta/classes/ptest.bbclass
index fa3561e621..798d802974 100644
--- a/meta/classes/ptest.bbclass
+++ b/meta/classes/ptest.bbclass
@@ -61,7 +61,7 @@ python () {
        d.setVarFlag('do_install_ptest_base', 'fakeroot', '1')
    # Remove all '*ptest_base' tasks when ptest is not enabled
-    if not(d.getVar('PTEST_ENABLED', True) == "1"):
+    if not(d.getVar('PTEST_ENABLED') == "1"):
        for i in ['do_configure_ptest_base', 'do_compile_ptest_base', 'do_install_ptest_base']:
            bb.build.deltask(i, d)
 }
diff --git a/meta/classes/qemu.bbclass b/meta/classes/qemu.bbclass
index f2d4d1c9e1..616758260c 100644
--- a/meta/classes/qemu.bbclass
+++ b/meta/classes/qemu.bbclass
@@ -4,12 +4,12 @@
 #
 def qemu_target_binary(data):
-    package_arch = data.getVar("PACKAGE_ARCH", True)
+    package_arch = data.getVar("PACKAGE_ARCH")
-    qemu_target_binary = (data.getVar("QEMU_TARGET_BINARY_%s" % package_arch, True) or "")
+    qemu_target_binary = (data.getVar("QEMU_TARGET_BINARY_%s" % package_arch) or "")
    if qemu_target_binary:
        return qemu_target_binary
-    target_arch = data.getVar("TARGET_ARCH", True)
+    target_arch = data.getVar("TARGET_ARCH")
    if target_arch in ("i486", "i586", "i686"):
        target_arch = "i386"
    elif target_arch == "powerpc":
@@ -26,7 +26,7 @@ def qemu_wrapper_cmdline(data, rootfs_path, library_paths):
    if qemu_binary == "qemu-allarch":
        qemu_binary = "qemuwrapper"
-    qemu_options = data.getVar("QEMU_OPTIONS", True)    
+    qemu_options = data.getVar("QEMU_OPTIONS")    
    return "PSEUDO_UNLOAD=1 " + qemu_binary + " " + qemu_options + " -L " + rootfs_path\
            + " -E LD_LIBRARY_PATH=" + ":".join(library_paths) + " "
@@ -52,7 +52,7 @@ def qemu_run_binary(data, rootfs_path, binary):
 # this dance). For others (e.g. arm) a -cpu option is not necessary, since the
 # qemu-arm default CPU supports all required architecture levels.
-QEMU_OPTIONS = "-r ${OLDEST_KERNEL} ${@d.getVar("QEMU_EXTRAOPTIONS_%s" % d.getVar('PACKAGE_ARCH', True), True) or ""}"
+QEMU_OPTIONS = "-r ${OLDEST_KERNEL} ${@d.getVar("QEMU_EXTRAOPTIONS_%s" % d.getVar('PACKAGE_ARCH'), True) or ""}"
 QEMU_OPTIONS[vardeps] += "QEMU_EXTRAOPTIONS_${PACKAGE_ARCH}"
 QEMU_EXTRAOPTIONS_ppce500v2 = " -cpu e500v2"
diff --git a/meta/classes/qemuboot.bbclass b/meta/classes/qemuboot.bbclass
index 8b1d4d087d..28e8a737f8 100644
--- a/meta/classes/qemuboot.bbclass
+++ b/meta/classes/qemuboot.bbclass
@@ -55,17 +55,17 @@ do_write_qemuboot_conf[vardeps] += "${@' '.join(qemuboot_vars(d))}"
 python do_write_qemuboot_conf() {
    import configparser
-    qemuboot = "%s/%s.qemuboot.conf" % (d.getVar('DEPLOY_DIR_IMAGE', True), d.getVar('IMAGE_NAME', True))
+    qemuboot = "%s/%s.qemuboot.conf" % (d.getVar('DEPLOY_DIR_IMAGE'), d.getVar('IMAGE_NAME'))
-    qemuboot_link = "%s/%s.qemuboot.conf" % (d.getVar('DEPLOY_DIR_IMAGE', True), d.getVar('IMAGE_LINK_NAME', True))
+    qemuboot_link = "%s/%s.qemuboot.conf" % (d.getVar('DEPLOY_DIR_IMAGE'), d.getVar('IMAGE_LINK_NAME'))
    cf = configparser.ConfigParser()
    cf.add_section('config_bsp')
    for k in qemuboot_vars(d):
-        cf.set('config_bsp', k, '%s' % d.getVar(k, True))
+        cf.set('config_bsp', k, '%s' % d.getVar(k))
    # QB_DEFAULT_KERNEL's value of KERNEL_IMAGETYPE is the name of a symlink
    # to the kernel file, which hinders relocatability of the qb conf.
    # Read the link and replace it with the full filename of the target.
-    kernel_link = os.path.join(d.getVar('DEPLOY_DIR_IMAGE', True), d.getVar('QB_DEFAULT_KERNEL', True))
+    kernel_link = os.path.join(d.getVar('DEPLOY_DIR_IMAGE'), d.getVar('QB_DEFAULT_KERNEL'))
    kernel = os.path.realpath(kernel_link)
    cf.set('config_bsp', 'QB_DEFAULT_KERNEL', kernel)
diff --git a/meta/classes/recipe_sanity.bbclass b/meta/classes/recipe_sanity.bbclass
index add34df9d6..3b00b0e521 100644
--- a/meta/classes/recipe_sanity.bbclass
+++ b/meta/classes/recipe_sanity.bbclass
@@ -1,5 +1,5 @@
 def __note(msg, d):
-    bb.note("%s: recipe_sanity: %s" % (d.getVar("P", True), msg))
+    bb.note("%s: recipe_sanity: %s" % (d.getVar("P"), msg))
 __recipe_sanity_badruntimevars = "RDEPENDS RPROVIDES RRECOMMENDS RCONFLICTS"
 def bad_runtime_vars(cfgdata, d):
@@ -7,7 +7,7 @@ def bad_runtime_vars(cfgdata, d):
            bb.data.inherits_class("cross", d):
        return
-    for var in d.getVar("__recipe_sanity_badruntimevars", True).split():
+    for var in d.getVar("__recipe_sanity_badruntimevars").split():
        val = d.getVar(var, False)
        if val and val != cfgdata.get(var):
            __note("%s should be %s_${PN}" % (var, var), d)
@@ -15,11 +15,11 @@ def bad_runtime_vars(cfgdata, d):
 __recipe_sanity_reqvars = "DESCRIPTION"
 __recipe_sanity_reqdiffvars = ""
 def req_vars(cfgdata, d):
-    for var in d.getVar("__recipe_sanity_reqvars", True).split():
+    for var in d.getVar("__recipe_sanity_reqvars").split():
        if not d.getVar(var, False):
            __note("%s should be set" % var, d)
-    for var in d.getVar("__recipe_sanity_reqdiffvars", True).split():
+    for var in d.getVar("__recipe_sanity_reqdiffvars").split():
        val = d.getVar(var, False)
        cfgval = cfgdata.get(var)
@@ -38,11 +38,11 @@ def var_renames_overwrite(cfgdata, d):
 def incorrect_nonempty_PACKAGES(cfgdata, d):
    if bb.data.inherits_class("native", d) or \
            bb.data.inherits_class("cross", d):
-        if d.getVar("PACKAGES", True):
+        if d.getVar("PACKAGES"):
            return True
 def can_use_autotools_base(cfgdata, d):
-    cfg = d.getVar("do_configure", True)
+    cfg = d.getVar("do_configure")
    if not bb.data.inherits_class("autotools", d):
        return False
@@ -61,7 +61,7 @@ def can_delete_FILESPATH(cfgdata, d):
    expected = cfgdata.get("FILESPATH")
    expectedpaths = d.expand(expected)
    unexpanded = d.getVar("FILESPATH", False)
-    filespath = d.getVar("FILESPATH", True).split(":")
+    filespath = d.getVar("FILESPATH").split(":")
    filespath = [os.path.normpath(f) for f in filespath if os.path.exists(f)]
    for fp in filespath:
        if not fp in expectedpaths:
@@ -72,13 +72,13 @@ def can_delete_FILESPATH(cfgdata, d):
 def can_delete_FILESDIR(cfgdata, d):
    expected = cfgdata.get("FILESDIR")
-    #expected = "${@bb.utils.which(d.getVar('FILESPATH', True), '.')}"
+    #expected = "${@bb.utils.which(d.getVar('FILESPATH'), '.')}"
    unexpanded = d.getVar("FILESDIR", False)
    if unexpanded is None:
        return False
-    expanded = os.path.normpath(d.getVar("FILESDIR", True))
+    expanded = os.path.normpath(d.getVar("FILESDIR"))
-    filespath = d.getVar("FILESPATH", True).split(":")
+    filespath = d.getVar("FILESPATH").split(":")
    filespath = [os.path.normpath(f) for f in filespath if os.path.exists(f)]
    return unexpanded != expected and \
@@ -96,7 +96,7 @@ def can_delete_others(p, cfgdata, d):
            continue
        try:
-            expanded = d.getVar(k, True)
+            expanded = d.getVar(k)
            cfgexpanded = d.expand(cfgunexpanded)
        except bb.fetch.ParameterError:
            continue
@@ -108,8 +108,8 @@ def can_delete_others(p, cfgdata, d):
                       (p, cfgunexpanded, unexpanded, expanded))
 python do_recipe_sanity () {
-    p = d.getVar("P", True)
+    p = d.getVar("P")
-    p = "%s %s %s" % (d.getVar("PN", True), d.getVar("PV", True), d.getVar("PR", True))
+    p = "%s %s %s" % (d.getVar("PN"), d.getVar("PV"), d.getVar("PR"))
    sanitychecks = [
        (can_delete_FILESDIR, "candidate for removal of FILESDIR"),
diff --git a/meta/classes/report-error.bbclass b/meta/classes/report-error.bbclass
index 5bb231efc1..d6fdd364ad 100644
--- a/meta/classes/report-error.bbclass
+++ b/meta/classes/report-error.bbclass
@@ -10,7 +10,7 @@ ERR_REPORT_DIR ?= "${LOG_DIR}/error-report"
 def errorreport_getdata(e):
    import codecs
-    logpath = e.data.getVar('ERR_REPORT_DIR', True)
+    logpath = e.data.getVar('ERR_REPORT_DIR')
    datafile = os.path.join(logpath, "error-report.txt")
    with codecs.open(datafile, 'r', 'utf-8') as f:
        data = f.read()
@@ -19,7 +19,7 @@ def errorreport_getdata(e):
 def errorreport_savedata(e, newdata, file):
    import json
    import codecs
-    logpath = e.data.getVar('ERR_REPORT_DIR', True)
+    logpath = e.data.getVar('ERR_REPORT_DIR')
    datafile = os.path.join(logpath, file)
    with codecs.open(datafile, 'w', 'utf-8') as f:
        json.dump(newdata, f, indent=4, sort_keys=True)
@@ -29,18 +29,18 @@ python errorreport_handler () {
        import json
        import codecs
-        logpath = e.data.getVar('ERR_REPORT_DIR', True)
+        logpath = e.data.getVar('ERR_REPORT_DIR')
        datafile = os.path.join(logpath, "error-report.txt")
        if isinstance(e, bb.event.BuildStarted):
            bb.utils.mkdirhier(logpath)
            data = {}
-            machine = e.data.getVar("MACHINE", True)
+            machine = e.data.getVar("MACHINE")
            data['machine'] = machine
-            data['build_sys'] = e.data.getVar("BUILD_SYS", True)
+            data['build_sys'] = e.data.getVar("BUILD_SYS")
-            data['nativelsb'] = e.data.getVar("NATIVELSBSTRING", True)
+            data['nativelsb'] = e.data.getVar("NATIVELSBSTRING")
-            data['distro'] = e.data.getVar("DISTRO", True)
+            data['distro'] = e.data.getVar("DISTRO")
-            data['target_sys'] = e.data.getVar("TARGET_SYS", True)
+            data['target_sys'] = e.data.getVar("TARGET_SYS")
            data['failures'] = []
            data['component'] = " ".join(e.getPkgs())
            data['branch_commit'] = str(base_detect_branch(e.data)) + ": " + str(base_detect_revision(e.data))
@@ -51,7 +51,7 @@ python errorreport_handler () {
        elif isinstance(e, bb.build.TaskFailed):
            task = e.task
            taskdata={}
-            log = e.data.getVar('BB_LOGFILE', True)
+            log = e.data.getVar('BB_LOGFILE')
            taskdata['package'] = e.data.expand("${PF}")
            taskdata['task'] = task
            if log:
@@ -61,7 +61,7 @@ python errorreport_handler () {
                    # Replace host-specific paths so the logs are cleaner
                    for d in ("TOPDIR", "TMPDIR"):
-                        s = e.data.getVar(d, True)
+                        s = e.data.getVar(d)
                        if s:
                            logdata = logdata.replace(s, d)
@@ -92,7 +92,7 @@ python errorreport_handler () {
            bb.utils.unlockfile(lock)
            failures = jsondata['failures']
            if(len(failures) > 0):
-                filename = "error_report_" + e.data.getVar("BUILDNAME", True)+".txt"
+                filename = "error_report_" + e.data.getVar("BUILDNAME")+".txt"
                datafile = errorreport_savedata(e, jsondata, filename)
                bb.note("The errors for this build are stored in %s\nYou can send the errors to a reports server by running:\n  send-error-report %s [-s server]" % (datafile, datafile))
                bb.note("The contents of these logs will be posted in public if you use the above command with the default server. Please ensure you remove any identifying or proprietary information when prompted before sending.")
diff --git a/meta/classes/rm_work.bbclass b/meta/classes/rm_work.bbclass
index 263ad8be9f..3516c7edf8 100644
--- a/meta/classes/rm_work.bbclass
+++ b/meta/classes/rm_work.bbclass
@@ -119,10 +119,10 @@ rm_work_rootfs[cleandirs] = "${WORKDIR}/rootfs"
 python () {
    if bb.data.inherits_class('kernel', d):
-        d.appendVar("RM_WORK_EXCLUDE", ' ' + d.getVar("PN", True))
+        d.appendVar("RM_WORK_EXCLUDE", ' ' + d.getVar("PN"))
    # If the recipe name is in the RM_WORK_EXCLUDE, skip the recipe.
-    excludes = (d.getVar("RM_WORK_EXCLUDE", True) or "").split()
+    excludes = (d.getVar("RM_WORK_EXCLUDE") or "").split()
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
    if pn in excludes:
        d.delVarFlag('rm_work_rootfs', 'cleandirs')
        d.delVarFlag('rm_work_populatesdk', 'cleandirs')
diff --git a/meta/classes/rootfs-postcommands.bbclass b/meta/classes/rootfs-postcommands.bbclass
index 0c7ceea542..8d48a2d1d9 100644
--- a/meta/classes/rootfs-postcommands.bbclass
+++ b/meta/classes/rootfs-postcommands.bbclass
@@ -217,9 +217,9 @@ python write_image_manifest () {
    from oe.rootfs import image_list_installed_packages
    from oe.utils import format_pkg_list
-    deploy_dir = d.getVar('IMGDEPLOYDIR', True)
+    deploy_dir = d.getVar('IMGDEPLOYDIR')
-    link_name = d.getVar('IMAGE_LINK_NAME', True)
+    link_name = d.getVar('IMAGE_LINK_NAME')
-    manifest_name = d.getVar('IMAGE_MANIFEST', True)
+    manifest_name = d.getVar('IMAGE_MANIFEST')
    if not manifest_name:
        return
diff --git a/meta/classes/rootfs_deb.bbclass b/meta/classes/rootfs_deb.bbclass
index f79fca608e..e8facd4368 100644
--- a/meta/classes/rootfs_deb.bbclass
+++ b/meta/classes/rootfs_deb.bbclass
@@ -14,7 +14,7 @@ do_rootfs[lockfiles] += "${DEPLOY_DIR_DEB}/deb.lock"
 do_populate_sdk[lockfiles] += "${DEPLOY_DIR_DEB}/deb.lock"
 python rootfs_deb_bad_recommendations() {
-    if d.getVar("BAD_RECOMMENDATIONS", True):
+    if d.getVar("BAD_RECOMMENDATIONS"):
        bb.warn("Debian package install does not support BAD_RECOMMENDATIONS")
 }
 do_rootfs[prefuncs] += "rootfs_deb_bad_recommendations"
@@ -25,7 +25,7 @@ opkglibdir = "${localstatedir}/lib/opkg"
 python () {
    # Map TARGET_ARCH to Debian's ideas about architectures
-    darch = d.getVar('SDK_ARCH', True)
+    darch = d.getVar('SDK_ARCH')
    if darch in ["x86", "i486", "i586", "i686", "pentium"]:
         d.setVar('DEB_SDK_ARCH', 'i386')
    elif darch == "x86_64":
diff --git a/meta/classes/rootfs_ipk.bbclass b/meta/classes/rootfs_ipk.bbclass
index d5c38fef74..8c60398085 100644
--- a/meta/classes/rootfs_ipk.bbclass
+++ b/meta/classes/rootfs_ipk.bbclass
@@ -27,7 +27,7 @@ MULTILIBRE_ALLOW_REP = "${OPKGLIBDIR}/opkg|/usr/lib/opkg"
 python () {
-    if d.getVar('BUILD_IMAGES_FROM_FEEDS', True):
+    if d.getVar('BUILD_IMAGES_FROM_FEEDS'):
        flags = d.getVarFlag('do_rootfs', 'recrdeptask', True)
        flags = flags.replace("do_package_write_ipk", "")
        flags = flags.replace("do_deploy", "")
diff --git a/meta/classes/rootfs_rpm.bbclass b/meta/classes/rootfs_rpm.bbclass
index 37730a7104..20beb7c713 100644
--- a/meta/classes/rootfs_rpm.bbclass
+++ b/meta/classes/rootfs_rpm.bbclass
@@ -25,7 +25,7 @@ do_rootfs[recrdeptask] += "do_package_write_rpm"
 do_rootfs[vardeps] += "PACKAGE_FEED_URIS"
 python () {
-    if d.getVar('BUILD_IMAGES_FROM_FEEDS', True):
+    if d.getVar('BUILD_IMAGES_FROM_FEEDS'):
        flags = d.getVarFlag('do_rootfs', 'recrdeptask', True)
        flags = flags.replace("do_package_write_rpm", "")
        flags = flags.replace("do_deploy", "")
diff --git a/meta/classes/sanity.bbclass b/meta/classes/sanity.bbclass
index 921b248b78..9674ae9580 100644
--- a/meta/classes/sanity.bbclass
+++ b/meta/classes/sanity.bbclass
@@ -6,7 +6,7 @@ SANITY_REQUIRED_UTILITIES ?= "patch diffstat makeinfo git bzip2 tar \
    gzip gawk chrpath wget cpio perl file"
 def bblayers_conf_file(d):
-    return os.path.join(d.getVar('TOPDIR', True), 'conf/bblayers.conf')
+    return os.path.join(d.getVar('TOPDIR'), 'conf/bblayers.conf')
 def sanity_conf_read(fn):
    with open(fn, 'r') as f:
@@ -39,8 +39,8 @@ SANITY_DIFF_TOOL ?= "meld"
 SANITY_LOCALCONF_SAMPLE ?= "${COREBASE}/meta*/conf/local.conf.sample"
 python oecore_update_localconf() {
    # Check we are using a valid local.conf
-    current_conf  = d.getVar('CONF_VERSION', True)
+    current_conf  = d.getVar('CONF_VERSION')
-    conf_version =  d.getVar('LOCALCONF_VERSION', True)
+    conf_version =  d.getVar('LOCALCONF_VERSION')
    failmsg = """Your version of local.conf was generated from an older/newer version of 
 local.conf.sample and there have been updates made to this file. Please compare the two 
@@ -59,8 +59,8 @@ is a good way to visualise the changes."""
 SANITY_SITECONF_SAMPLE ?= "${COREBASE}/meta*/conf/site.conf.sample"
 python oecore_update_siteconf() {
    # If we have a site.conf, check it's valid
-    current_sconf = d.getVar('SCONF_VERSION', True)
+    current_sconf = d.getVar('SCONF_VERSION')
-    sconf_version = d.getVar('SITE_CONF_VERSION', True)
+    sconf_version = d.getVar('SITE_CONF_VERSION')
    failmsg = """Your version of site.conf was generated from an older version of 
 site.conf.sample and there have been updates made to this file. Please compare the two 
@@ -80,8 +80,8 @@ SANITY_BBLAYERCONF_SAMPLE ?= "${COREBASE}/meta*/conf/bblayers.conf.sample"
 python oecore_update_bblayers() {
    # bblayers.conf is out of date, so see if we can resolve that
-    current_lconf = int(d.getVar('LCONF_VERSION', True))
+    current_lconf = int(d.getVar('LCONF_VERSION'))
-    lconf_version = int(d.getVar('LAYER_CONF_VERSION', True))
+    lconf_version = int(d.getVar('LAYER_CONF_VERSION'))
    failmsg = """Your version of bblayers.conf has the wrong LCONF_VERSION (has ${LCONF_VERSION}, expecting ${LAYER_CONF_VERSION}).
 Please compare your file against bblayers.conf.sample and merge any changes before continuing.
@@ -141,7 +141,7 @@ is a good way to visualise the changes."""
        # Handle rename of meta-yocto -> meta-poky
        # This marks the start of separate version numbers but code is needed in OE-Core
        # for the migration, one last time.
-        layers = d.getVar('BBLAYERS', True).split()
+        layers = d.getVar('BBLAYERS').split()
        layers = [ os.path.basename(path) for path in layers ]
        if 'meta-yocto' in layers:
            found = False
@@ -172,7 +172,7 @@ is a good way to visualise the changes."""
 }
 def raise_sanity_error(msg, d, network_error=False):
-    if d.getVar("SANITY_USE_EVENTS", True) == "1":
+    if d.getVar("SANITY_USE_EVENTS") == "1":
        try:
            bb.event.fire(bb.event.SanityCheckFailed(msg, network_error), d)
        except TypeError:
@@ -198,7 +198,7 @@ def check_toolchain_tune_args(data, tune, multilib, errs):
    return found_errors
 def check_toolchain_args_present(data, tune, multilib, tune_errors, which):
-    args_set = (data.getVar("TUNE_%s" % which, True) or "").split()
+    args_set = (data.getVar("TUNE_%s" % which) or "").split()
    args_wanted = (data.getVar("TUNEABI_REQUIRED_%s_tune-%s" % (which, tune), True) or "").split()
    args_missing = []
@@ -228,7 +228,7 @@ def check_toolchain_tune(data, tune, multilib):
        localdata.setVar("OVERRIDES", overrides)
    bb.data.update_data(localdata)
    bb.debug(2, "Sanity-checking tuning '%s' (%s) features:" % (tune, multilib))
-    features = (localdata.getVar("TUNE_FEATURES_tune-%s" % tune, True) or "").split()
+    features = (localdata.getVar("TUNE_FEATURES_tune-%s" % tune) or "").split()
    if not features:
        return "Tuning '%s' has no defined features, and cannot be used." % tune
    valid_tunes = localdata.getVarFlags('TUNEVALID') or {}
@@ -248,9 +248,9 @@ def check_toolchain_tune(data, tune, multilib):
            bb.debug(2, "  %s: %s" % (feature, valid_tunes[feature]))
        else:
            tune_errors.append("Feature '%s' is not defined." % feature)
-    whitelist = localdata.getVar("TUNEABI_WHITELIST", True)
+    whitelist = localdata.getVar("TUNEABI_WHITELIST")
    if whitelist:
-        tuneabi = localdata.getVar("TUNEABI_tune-%s" % tune, True)
+        tuneabi = localdata.getVar("TUNEABI_tune-%s" % tune)
        if not tuneabi:
            tuneabi = tune
        if True not in [x in whitelist.split() for x in tuneabi.split()]:
@@ -264,13 +264,13 @@ def check_toolchain_tune(data, tune, multilib):
 def check_toolchain(data):
    tune_error_set = []
-    deftune = data.getVar("DEFAULTTUNE", True)
+    deftune = data.getVar("DEFAULTTUNE")
    tune_errors = check_toolchain_tune(data, deftune, 'default')
    if tune_errors:
        tune_error_set.append(tune_errors)
-    multilibs = (data.getVar("MULTILIB_VARIANTS", True) or "").split()
+    multilibs = (data.getVar("MULTILIB_VARIANTS") or "").split()
-    global_multilibs = (data.getVar("MULTILIB_GLOBAL_VARIANTS", True) or "").split()
+    global_multilibs = (data.getVar("MULTILIB_GLOBAL_VARIANTS") or "").split()
    if multilibs:
        seen_libs = []
@@ -282,7 +282,7 @@ def check_toolchain(data):
                seen_libs.append(lib)
            if not lib in global_multilibs:
                tune_error_set.append("Multilib %s is not present in MULTILIB_GLOBAL_VARIANTS" % lib)
-            tune = data.getVar("DEFAULTTUNE_virtclass-multilib-%s" % lib, True)
+            tune = data.getVar("DEFAULTTUNE_virtclass-multilib-%s" % lib)
            if tune in seen_tunes:
                tune_error_set.append("The tuning '%s' appears in more than one multilib." % tune)
            else:
@@ -360,10 +360,10 @@ def check_connectivity(d):
    # URI's to check can be set in the CONNECTIVITY_CHECK_URIS variable
    # using the same syntax as for SRC_URI. If the variable is not set
    # the check is skipped
-    test_uris = (d.getVar('CONNECTIVITY_CHECK_URIS', True) or "").split()
+    test_uris = (d.getVar('CONNECTIVITY_CHECK_URIS') or "").split()
    retval = ""
-    bbn = d.getVar('BB_NO_NETWORK', True)
+    bbn = d.getVar('BB_NO_NETWORK')
    if bbn not in (None, '0', '1'):
        return 'BB_NO_NETWORK should be "0" or "1", but it is "%s"' % bbn
@@ -382,7 +382,7 @@ def check_connectivity(d):
        except Exception as err:
            # Allow the message to be configured so that users can be
            # pointed to a support mechanism.
-            msg = data.getVar('CONNECTIVITY_CHECK_MSG', True) or ""
+            msg = data.getVar('CONNECTIVITY_CHECK_MSG') or ""
            if len(msg) == 0:
                msg = "%s.\n" % err
                msg += "    Please ensure your host's network is configured correctly,\n"
@@ -395,7 +395,7 @@ def check_connectivity(d):
 def check_supported_distro(sanity_data):
    from fnmatch import fnmatch
-    tested_distros = sanity_data.getVar('SANITY_TESTED_DISTROS', True)
+    tested_distros = sanity_data.getVar('SANITY_TESTED_DISTROS')
    if not tested_distros:
        return
@@ -418,17 +418,17 @@ def check_sanity_validmachine(sanity_data):
    messages = ""
    # Check TUNE_ARCH is set
-    if sanity_data.getVar('TUNE_ARCH', True) == 'INVALID':
+    if sanity_data.getVar('TUNE_ARCH') == 'INVALID':
        messages = messages + 'TUNE_ARCH is unset. Please ensure your MACHINE configuration includes a valid tune configuration file which will set this correctly.\n'
    # Check TARGET_OS is set
-    if sanity_data.getVar('TARGET_OS', True) == 'INVALID':
+    if sanity_data.getVar('TARGET_OS') == 'INVALID':
        messages = messages + 'Please set TARGET_OS directly, or choose a MACHINE or DISTRO that does so.\n'
    # Check that we don't have duplicate entries in PACKAGE_ARCHS & that TUNE_PKGARCH is in PACKAGE_ARCHS
-    pkgarchs = sanity_data.getVar('PACKAGE_ARCHS', True)
+    pkgarchs = sanity_data.getVar('PACKAGE_ARCHS')
-    tunepkg = sanity_data.getVar('TUNE_PKGARCH', True)
+    tunepkg = sanity_data.getVar('TUNE_PKGARCH')
-    defaulttune = sanity_data.getVar('DEFAULTTUNE', True)
+    defaulttune = sanity_data.getVar('DEFAULTTUNE')
    tunefound = False
    seen = {}
    dups = []
@@ -476,7 +476,7 @@ def check_gcc_march(sanity_data):
                result = True;
        if not result:
-            build_arch = sanity_data.getVar('BUILD_ARCH', True)
+            build_arch = sanity_data.getVar('BUILD_ARCH')
            status,res = oe.utils.getstatusoutput(sanity_data.expand("${BUILD_CC} -march=%s gcc_test.c -o gcc_test" % build_arch))
            if status == 0:
                message = "BUILD_CFLAGS_append = \" -march=%s\"" % build_arch
@@ -564,11 +564,11 @@ def check_perl_modules(sanity_data):
    return None
 def sanity_check_conffiles(d):
-    funcs = d.getVar('BBLAYERS_CONF_UPDATE_FUNCS', True).split()
+    funcs = d.getVar('BBLAYERS_CONF_UPDATE_FUNCS').split()
    for func in funcs:
        conffile, current_version, required_version, func = func.split(":")
-        if check_conf_exists(conffile, d) and d.getVar(current_version, True) is not None and \
+        if check_conf_exists(conffile, d) and d.getVar(current_version) is not None and \
-                d.getVar(current_version, True) != d.getVar(required_version, True):
+                d.getVar(current_version) != d.getVar(required_version):
            try:
                bb.build.exec_func(func, d, pythonexception=True)
            except NotImplementedError as e:
@@ -581,8 +581,8 @@ def sanity_handle_abichanges(status, d):
    #
    import subprocess
-    current_abi = d.getVar('OELAYOUT_ABI', True)
+    current_abi = d.getVar('OELAYOUT_ABI')
-    abifile = d.getVar('SANITY_ABIFILE', True)
+    abifile = d.getVar('SANITY_ABIFILE')
    if os.path.exists(abifile):
        with open(abifile, "r") as f:
            abi = f.read().strip()
@@ -677,12 +677,12 @@ def check_sanity_version_change(status, d):
        missing = missing + "GNU make,"
    if not check_app_exists('${BUILD_CC}', d):
-        missing = missing + "C Compiler (%s)," % d.getVar("BUILD_CC", True)
+        missing = missing + "C Compiler (%s)," % d.getVar("BUILD_CC")
    if not check_app_exists('${BUILD_CXX}', d):
-        missing = missing + "C++ Compiler (%s)," % d.getVar("BUILD_CXX", True)
+        missing = missing + "C++ Compiler (%s)," % d.getVar("BUILD_CXX")
-    required_utilities = d.getVar('SANITY_REQUIRED_UTILITIES', True)
+    required_utilities = d.getVar('SANITY_REQUIRED_UTILITIES')
    for util in required_utilities.split():
        if not check_app_exists(util, d):
@@ -692,7 +692,7 @@ def check_sanity_version_change(status, d):
        missing = missing.rstrip(',')
        status.addresult("Please install the following missing utilities: %s\n" % missing)
-    assume_provided = d.getVar('ASSUME_PROVIDED', True).split()
+    assume_provided = d.getVar('ASSUME_PROVIDED').split()
    # Check user doesn't have ASSUME_PROVIDED = instead of += in local.conf
    if "diffstat-native" not in assume_provided:
        status.addresult('Please use ASSUME_PROVIDED +=, not ASSUME_PROVIDED = in your local.conf\n')
@@ -715,7 +715,7 @@ def check_sanity_version_change(status, d):
        status.addresult("        __sync_bool_compare_and_swap (&atomic, 2, 3);\n")
    # Check that TMPDIR isn't on a filesystem with limited filename length (eg. eCryptFS)
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    status.addresult(check_create_long_filename(tmpdir, "TMPDIR"))
    tmpdirmode = os.stat(tmpdir).st_mode
    if (tmpdirmode & stat.S_ISGID):
@@ -739,7 +739,7 @@ def check_sanity_version_change(status, d):
    if netcheck:
        status.network_error = True
-    nolibs = d.getVar('NO32LIBS', True)
+    nolibs = d.getVar('NO32LIBS')
    if not nolibs:
        lib32path = '/lib'
        if os.path.exists('/lib64') and ( os.path.islink('/lib64') or os.path.islink('/lib') ):
@@ -748,7 +748,7 @@ def check_sanity_version_change(status, d):
        if os.path.exists('%s/libc.so.6' % lib32path) and not os.path.exists('/usr/include/gnu/stubs-32.h'):
            status.addresult("You have a 32-bit libc, but no 32-bit headers.  You must install the 32-bit libc headers.\n")
-    bbpaths = d.getVar('BBPATH', True).split(":")
+    bbpaths = d.getVar('BBPATH').split(":")
    if ("." in bbpaths or "./" in bbpaths or "" in bbpaths):
        status.addresult("BBPATH references the current directory, either through "    \
                "an empty entry, a './' or a '.'.\n\t This is unsafe and means your "\
@@ -758,7 +758,7 @@ def check_sanity_version_change(status, d):
                "references.\n" \
                "Parsed BBPATH is" + str(bbpaths));
-    oes_bb_conf = d.getVar( 'OES_BITBAKE_CONF', True)
+    oes_bb_conf = d.getVar( 'OES_BITBAKE_CONF')
    if not oes_bb_conf:
        status.addresult('You are not using the OpenEmbedded version of conf/bitbake.conf. This means your environment is misconfigured, in particular check BBPATH.\n')
@@ -793,26 +793,26 @@ def check_sanity_everybuild(status, d):
    # Check the bitbake version meets minimum requirements
    from distutils.version import LooseVersion
-    minversion = d.getVar('BB_MIN_VERSION', True)
+    minversion = d.getVar('BB_MIN_VERSION')
    if (LooseVersion(bb.__version__) < LooseVersion(minversion)):
        status.addresult('Bitbake version %s is required and version %s was found\n' % (minversion, bb.__version__))
    sanity_check_locale(d)
-    paths = d.getVar('PATH', True).split(":")
+    paths = d.getVar('PATH').split(":")
    if "." in paths or "./" in paths or "" in paths:
        status.addresult("PATH contains '.', './' or '' (empty element), which will break the build, please remove this.\nParsed PATH is " + str(paths) + "\n")
    # Check that the DISTRO is valid, if set
    # need to take into account DISTRO renaming DISTRO
-    distro = d.getVar('DISTRO', True)
+    distro = d.getVar('DISTRO')
    if distro and distro != "nodistro":
        if not ( check_conf_exists("conf/distro/${DISTRO}.conf", d) or check_conf_exists("conf/distro/include/${DISTRO}.inc", d) ):
-            status.addresult("DISTRO '%s' not found. Please set a valid DISTRO in your local.conf\n" % d.getVar("DISTRO", True))
+            status.addresult("DISTRO '%s' not found. Please set a valid DISTRO in your local.conf\n" % d.getVar("DISTRO"))
    # Check that DL_DIR is set, exists and is writable. In theory, we should never even hit the check if DL_DIR isn't 
    # set, since so much relies on it being set.
-    dldir = d.getVar('DL_DIR', True)
+    dldir = d.getVar('DL_DIR')
    if not dldir:
        status.addresult("DL_DIR is not set. Your environment is misconfigured, check that DL_DIR is set, and if the directory exists, that it is writable. \n")
    if os.path.exists(dldir) and not os.access(dldir, os.W_OK):
@@ -821,7 +821,7 @@ def check_sanity_everybuild(status, d):
    # Check that the MACHINE is valid, if it is set
    machinevalid = True
-    if d.getVar('MACHINE', True):
+    if d.getVar('MACHINE'):
        if not check_conf_exists("conf/machine/${MACHINE}.conf", d):
            status.addresult('Please set a valid MACHINE in your local.conf or environment\n')
            machinevalid = False
@@ -834,7 +834,7 @@ def check_sanity_everybuild(status, d):
        status.addresult(check_toolchain(d))
    # Check that the SDKMACHINE is valid, if it is set
-    if d.getVar('SDKMACHINE', True):
+    if d.getVar('SDKMACHINE'):
        if not check_conf_exists("conf/machine-sdk/${SDKMACHINE}.conf", d):
            status.addresult('Specified SDKMACHINE value is not valid\n')
        elif d.getVar('SDK_ARCH', False) == "${BUILD_ARCH}":
@@ -847,7 +847,7 @@ def check_sanity_everybuild(status, d):
        status.addresult("Please use a umask which allows a+rx and u+rwx\n")
    os.umask(omask)
-    if d.getVar('TARGET_ARCH', True) == "arm":
+    if d.getVar('TARGET_ARCH') == "arm":
        # This path is no longer user-readable in modern (very recent) Linux
        try:
            if os.path.exists("/proc/sys/vm/mmap_min_addr"):
@@ -860,7 +860,7 @@ def check_sanity_everybuild(status, d):
        except:
            pass
-    oeroot = d.getVar('COREBASE', True)
+    oeroot = d.getVar('COREBASE')
    if oeroot.find('+') != -1:
        status.addresult("Error, you have an invalid character (+) in your COREBASE directory path. Please move the installation to a directory which doesn't include any + characters.")
    if oeroot.find('@') != -1:
@@ -875,7 +875,7 @@ def check_sanity_everybuild(status, d):
                 'git', 'gitsm', 'hg', 'osc', 'p4', 'svn', \
                 'bzr', 'cvs', 'npm', 'sftp', 'ssh']
    for mirror_var in mirror_vars:
-        mirrors = (d.getVar(mirror_var, True) or '').replace('\\n', '\n').split('\n')
+        mirrors = (d.getVar(mirror_var) or '').replace('\\n', '\n').split('\n')
        for mirror_entry in mirrors:
            mirror_entry = mirror_entry.strip()
            if not mirror_entry:
@@ -914,7 +914,7 @@ def check_sanity_everybuild(status, d):
                    check_symlink(mirror_base, d)
    # Check that TMPDIR hasn't changed location since the last time we were run
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    checkfile = os.path.join(tmpdir, "saved_tmpdir")
    if os.path.exists(checkfile):
        with open(checkfile, "r") as f:
@@ -951,8 +951,8 @@ def check_sanity(sanity_data):
    status = SanityStatus()
-    tmpdir = sanity_data.getVar('TMPDIR', True)
+    tmpdir = sanity_data.getVar('TMPDIR')
-    sstate_dir = sanity_data.getVar('SSTATE_DIR', True)
+    sstate_dir = sanity_data.getVar('SSTATE_DIR')
    check_symlink(sstate_dir, sanity_data)
@@ -976,7 +976,7 @@ def check_sanity(sanity_data):
    check_sanity_everybuild(status, sanity_data)
    
-    sanity_version = int(sanity_data.getVar('SANITY_VERSION', True) or 1)
+    sanity_version = int(sanity_data.getVar('SANITY_VERSION') or 1)
    network_error = False
    # NATIVELSBSTRING var may have been overridden with "universal", so
    # get actual host distribution id and version
diff --git a/meta/classes/sign_ipk.bbclass b/meta/classes/sign_ipk.bbclass
index a481f6d9a8..e5057b7799 100644
--- a/meta/classes/sign_ipk.bbclass
+++ b/meta/classes/sign_ipk.bbclass
@@ -29,10 +29,10 @@ IPK_GPG_SIGNATURE_TYPE ?= 'ASC'
 python () {
    # Check configuration
    for var in ('IPK_GPG_NAME', 'IPK_GPG_PASSPHRASE_FILE'):
-        if not d.getVar(var, True):
+        if not d.getVar(var):
            raise_sanity_error("You need to define %s in the config" % var, d)
-    sigtype = d.getVar("IPK_GPG_SIGNATURE_TYPE", True)
+    sigtype = d.getVar("IPK_GPG_SIGNATURE_TYPE")
    if sigtype.upper() != "ASC" and sigtype.upper() != "BIN":
        raise_sanity_error("Bad value for IPK_GPG_SIGNATURE_TYPE (%s), use either ASC or BIN" % sigtype)
 }
@@ -42,11 +42,11 @@ def sign_ipk(d, ipk_to_sign):
    bb.debug(1, 'Signing ipk: %s' % ipk_to_sign)
-    signer = get_signer(d, d.getVar('IPK_GPG_BACKEND', True))
+    signer = get_signer(d, d.getVar('IPK_GPG_BACKEND'))
-    sig_type = d.getVar('IPK_GPG_SIGNATURE_TYPE', True)
+    sig_type = d.getVar('IPK_GPG_SIGNATURE_TYPE')
    is_ascii_sig = (sig_type.upper() != "BIN")
    signer.detach_sign(ipk_to_sign,
-                       d.getVar('IPK_GPG_NAME', True),
+                       d.getVar('IPK_GPG_NAME'),
-                       d.getVar('IPK_GPG_PASSPHRASE_FILE', True),
+                       d.getVar('IPK_GPG_PASSPHRASE_FILE'),
                       armor=is_ascii_sig)
diff --git a/meta/classes/sign_package_feed.bbclass b/meta/classes/sign_package_feed.bbclass
index 31a6e9b042..71df03bab3 100644
--- a/meta/classes/sign_package_feed.bbclass
+++ b/meta/classes/sign_package_feed.bbclass
@@ -31,10 +31,10 @@ PACKAGE_FEED_GPG_SIGNATURE_TYPE ?= 'ASC'
 python () {
    # Check sanity of configuration
    for var in ('PACKAGE_FEED_GPG_NAME', 'PACKAGE_FEED_GPG_PASSPHRASE_FILE'):
-        if not d.getVar(var, True):
+        if not d.getVar(var):
            raise_sanity_error("You need to define %s in the config" % var, d)
-    sigtype = d.getVar("PACKAGE_FEED_GPG_SIGNATURE_TYPE", True)
+    sigtype = d.getVar("PACKAGE_FEED_GPG_SIGNATURE_TYPE")
    if sigtype.upper() != "ASC" and sigtype.upper() != "BIN":
        raise_sanity_error("Bad value for PACKAGE_FEED_GPG_SIGNATURE_TYPE (%s), use either ASC or BIN" % sigtype)
 }
diff --git a/meta/classes/sign_rpm.bbclass b/meta/classes/sign_rpm.bbclass
index a8ea75faaa..2a08020819 100644
--- a/meta/classes/sign_rpm.bbclass
+++ b/meta/classes/sign_rpm.bbclass
@@ -22,11 +22,11 @@ RPM_GPG_BACKEND ?= 'local'
 python () {
-    if d.getVar('RPM_GPG_PASSPHRASE_FILE', True):
+    if d.getVar('RPM_GPG_PASSPHRASE_FILE'):
        raise_sanity_error('RPM_GPG_PASSPHRASE_FILE is replaced by RPM_GPG_PASSPHRASE', d)
    # Check configuration
    for var in ('RPM_GPG_NAME', 'RPM_GPG_PASSPHRASE'):
-        if not d.getVar(var, True):
+        if not d.getVar(var):
            raise_sanity_error("You need to define %s in the config" % var, d)
    # Set the expected location of the public key
@@ -41,12 +41,12 @@ python sign_rpm () {
    import glob
    from oe.gpg_sign import get_signer
-    signer = get_signer(d, d.getVar('RPM_GPG_BACKEND', True))
+    signer = get_signer(d, d.getVar('RPM_GPG_BACKEND'))
-    rpms = glob.glob(d.getVar('RPM_PKGWRITEDIR', True) + '/*')
+    rpms = glob.glob(d.getVar('RPM_PKGWRITEDIR') + '/*')
    signer.sign_rpms(rpms,
-                     d.getVar('RPM_GPG_NAME', True),
+                     d.getVar('RPM_GPG_NAME'),
-                     d.getVar('RPM_GPG_PASSPHRASE', True))
+                     d.getVar('RPM_GPG_PASSPHRASE'))
 }
 do_package_index[depends] += "signing-keys:do_deploy"
diff --git a/meta/classes/siteconfig.bbclass b/meta/classes/siteconfig.bbclass
index 45dce489de..9d51a0266a 100644
--- a/meta/classes/siteconfig.bbclass
+++ b/meta/classes/siteconfig.bbclass
@@ -2,7 +2,7 @@ python siteconfig_do_siteconfig () {
        shared_state = sstate_state_fromvars(d)
        if shared_state['task'] != 'populate_sysroot':
                return
-        if not os.path.isdir(os.path.join(d.getVar('FILE_DIRNAME', True), 'site_config')):
+        if not os.path.isdir(os.path.join(d.getVar('FILE_DIRNAME'), 'site_config')):
                bb.debug(1, "No site_config directory, skipping do_siteconfig")
                return
        bb.build.exec_func('do_siteconfig_gencache', d)
diff --git a/meta/classes/siteinfo.bbclass b/meta/classes/siteinfo.bbclass
index 6eca004c5e..abb194f0d6 100644
--- a/meta/classes/siteinfo.bbclass
+++ b/meta/classes/siteinfo.bbclass
@@ -113,14 +113,14 @@ def siteinfo_data(d):
    # Add in any extra user supplied data which may come from a BSP layer, removing the
    # need to always change this class directly
-    extra_siteinfo = (d.getVar("SITEINFO_EXTRA_DATAFUNCS", True) or "").split()
+    extra_siteinfo = (d.getVar("SITEINFO_EXTRA_DATAFUNCS") or "").split()
    for m in extra_siteinfo:
        call = m + "(archinfo, osinfo, targetinfo, d)"
        locs = { "archinfo" : archinfo, "osinfo" : osinfo, "targetinfo" : targetinfo, "d" : d}
        archinfo, osinfo, targetinfo = bb.utils.better_eval(call, locs)
-    hostarch = d.getVar("HOST_ARCH", True)
+    hostarch = d.getVar("HOST_ARCH")
-    hostos = d.getVar("HOST_OS", True)
+    hostos = d.getVar("HOST_OS")
    target = "%s-%s" % (hostarch, hostos)
    sitedata = []
@@ -144,7 +144,7 @@ python () {
        d.setVar("SITEINFO_ENDIANNESS", "be")
    else:
        bb.error("Unable to determine endianness for architecture '%s'" %
-                 d.getVar("HOST_ARCH", True))
+                 d.getVar("HOST_ARCH"))
        bb.fatal("Please add your architecture to siteinfo.bbclass")
    if "bit-32" in sitedata:
@@ -153,14 +153,14 @@ python () {
        d.setVar("SITEINFO_BITS", "64")
    else:
        bb.error("Unable to determine bit size for architecture '%s'" %
-                 d.getVar("HOST_ARCH", True))
+                 d.getVar("HOST_ARCH"))
        bb.fatal("Please add your architecture to siteinfo.bbclass")
 }
 def siteinfo_get_files(d, aclocalcache = False):
    sitedata = siteinfo_data(d)
    sitefiles = ""
-    for path in d.getVar("BBPATH", True).split(":"):
+    for path in d.getVar("BBPATH").split(":"):
        for element in sitedata:
            filename = os.path.join(path, "site", element)
            if os.path.exists(filename):
@@ -177,7 +177,7 @@ def siteinfo_get_files(d, aclocalcache = False):
    # issues and the directory being created/removed whilst this code executes. This can happen
    # when a multilib recipe is parsed along with its base variant which may be running at the time
    # causing rare but nasty failures
-    path_siteconfig = d.getVar('ACLOCALDIR', True)
+    path_siteconfig = d.getVar('ACLOCALDIR')
    if path_siteconfig and os.path.isdir(path_siteconfig):
        for i in os.listdir(path_siteconfig):
            if not i.endswith("_config"):
diff --git a/meta/classes/spdx.bbclass b/meta/classes/spdx.bbclass
index 89394d3a96..c5f544d2a4 100644
--- a/meta/classes/spdx.bbclass
+++ b/meta/classes/spdx.bbclass
@@ -26,20 +26,20 @@ python do_spdx () {
    import json, shutil
    info = {} 
-    info['workdir'] = d.getVar('WORKDIR', True)
+    info['workdir'] = d.getVar('WORKDIR')
-    info['sourcedir'] = d.getVar('SPDX_S', True)
+    info['sourcedir'] = d.getVar('SPDX_S')
-    info['pn'] = d.getVar('PN', True)
+    info['pn'] = d.getVar('PN')
-    info['pv'] = d.getVar('PV', True)
+    info['pv'] = d.getVar('PV')
-    info['spdx_version'] = d.getVar('SPDX_VERSION', True)
+    info['spdx_version'] = d.getVar('SPDX_VERSION')
-    info['data_license'] = d.getVar('DATA_LICENSE', True)
+    info['data_license'] = d.getVar('DATA_LICENSE')
-    sstatedir = d.getVar('SPDXSSTATEDIR', True)
+    sstatedir = d.getVar('SPDXSSTATEDIR')
    sstatefile = os.path.join(sstatedir, info['pn'] + info['pv'] + ".spdx")
-    manifest_dir = d.getVar('SPDX_MANIFEST_DIR', True)
+    manifest_dir = d.getVar('SPDX_MANIFEST_DIR')
    info['outfile'] = os.path.join(manifest_dir, info['pn'] + ".spdx" )
-    info['spdx_temp_dir'] = d.getVar('SPDX_TEMP_DIR', True)
+    info['spdx_temp_dir'] = d.getVar('SPDX_TEMP_DIR')
    info['tar_file'] = os.path.join(info['workdir'], info['pn'] + ".tar.gz" )
    # Make sure important dirs exist
@@ -74,9 +74,9 @@ python do_spdx () {
        foss_license_info = cached_spdx['Licenses']
    else:
        ## setup fossology command
-        foss_server = d.getVar('FOSS_SERVER', True)
+        foss_server = d.getVar('FOSS_SERVER')
-        foss_flags = d.getVar('FOSS_WGET_FLAGS', True)
+        foss_flags = d.getVar('FOSS_WGET_FLAGS')
-        foss_full_spdx = d.getVar('FOSS_FULL_SPDX', True) == "true" or False
+        foss_full_spdx = d.getVar('FOSS_FULL_SPDX') == "true" or False
        foss_command = "wget %s --post-file=%s %s"\
            % (foss_flags, info['tar_file'], foss_server)
        
diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass
index 8643f3d247..546e276d9f 100644
--- a/meta/classes/sstate.bbclass
+++ b/meta/classes/sstate.bbclass
@@ -11,7 +11,7 @@ def generate_sstatefn(spec, hash, d):
 SSTATE_PKGARCH    = "${PACKAGE_ARCH}"
 SSTATE_PKGSPEC    = "sstate:${PN}:${PACKAGE_ARCH}${TARGET_VENDOR}-${TARGET_OS}:${PV}:${PR}:${SSTATE_PKGARCH}:${SSTATE_VERSION}:"
 SSTATE_SWSPEC     = "sstate:${PN}::${PV}:${PR}::${SSTATE_VERSION}:"
-SSTATE_PKGNAME    = "${SSTATE_EXTRAPATH}${@generate_sstatefn(d.getVar('SSTATE_PKGSPEC', True), d.getVar('BB_TASKHASH', True), d)}"
+SSTATE_PKGNAME    = "${SSTATE_EXTRAPATH}${@generate_sstatefn(d.getVar('SSTATE_PKGSPEC'), d.getVar('BB_TASKHASH'), d)}"
 SSTATE_PKG        = "${SSTATE_DIR}/${SSTATE_PKGNAME}"
 SSTATE_EXTRAPATH   = ""
 SSTATE_EXTRAPATHWILDCARD = ""
@@ -34,7 +34,7 @@ SSTATE_DUPWHITELIST += "${DEPLOY_DIR_SRC}"
 SSTATE_DUPWHITELIST += "${DEPLOY_DIR}/sdk/README_-_DO_NOT_DELETE_FILES_IN_THIS_DIRECTORY.txt"
 SSTATE_SCAN_FILES ?= "*.la *-config *_config"
-SSTATE_SCAN_CMD ?= 'find ${SSTATE_BUILDDIR} \( -name "${@"\" -o -name \"".join(d.getVar("SSTATE_SCAN_FILES", True).split())}" \) -type f'
+SSTATE_SCAN_CMD ?= 'find ${SSTATE_BUILDDIR} \( -name "${@"\" -o -name \"".join(d.getVar("SSTATE_SCAN_FILES").split())}" \) -type f'
 BB_HASHFILENAME = "False ${SSTATE_PKGSPEC} ${SSTATE_SWSPEC}"
@@ -84,7 +84,7 @@ python () {
        d.setVar('SSTATE_PKGARCH', d.expand("${SDK_ARCH}_${SDK_OS}"))
    elif bb.data.inherits_class('cross-canadian', d):
        d.setVar('SSTATE_PKGARCH', d.expand("${SDK_ARCH}_${PACKAGE_ARCH}"))
-    elif bb.data.inherits_class('allarch', d) and d.getVar("PACKAGE_ARCH", True) == "all":
+    elif bb.data.inherits_class('allarch', d) and d.getVar("PACKAGE_ARCH") == "all":
        d.setVar('SSTATE_PKGARCH', "allarch")
    else:
        d.setVar('SSTATE_MANMACH', d.expand("${PACKAGE_ARCH}"))
@@ -100,7 +100,7 @@ python () {
        scan_cmd = "grep -Irl ${STAGING_DIR} ${SSTATE_BUILDDIR}"
        d.setVar('SSTATE_SCAN_CMD', scan_cmd)
-    unique_tasks = sorted(set((d.getVar('SSTATETASKS', True) or "").split()))
+    unique_tasks = sorted(set((d.getVar('SSTATETASKS') or "").split()))
    d.setVar('SSTATETASKS', " ".join(unique_tasks))
    for task in unique_tasks:
        d.prependVarFlag(task, 'prefuncs', "sstate_task_prefunc ")
@@ -118,7 +118,7 @@ def sstate_init(task, d):
 def sstate_state_fromvars(d, task = None):
    if task is None:
-        task = d.getVar('BB_CURRENTTASK', True)
+        task = d.getVar('BB_CURRENTTASK')
        if not task:
            bb.fatal("sstate code running without task context?!")
        task = task.replace("_setscene", "")
@@ -200,7 +200,7 @@ def sstate_install(ss, d):
                shareddirs.append(dstdir)
    # Check the file list for conflicts against files which already exist
-    whitelist = (d.getVar("SSTATE_DUPWHITELIST", True) or "").split()
+    whitelist = (d.getVar("SSTATE_DUPWHITELIST") or "").split()
    match = []
    for f in sharedfiles:
        if os.path.exists(f):
@@ -239,7 +239,7 @@ def sstate_install(ss, d):
          "things (e.g. bluez 4 and bluez 5 and the correct solution for that would " \
          "be to resolve the conflict. If in doubt, please ask on the mailing list, " \
          "sharing the error and filelist above." % \
-          (d.getVar('PN', True), "\n ".join(match)))
+          (d.getVar('PN'), "\n ".join(match)))
        bb.fatal("If the above message is too much, the simpler version is you're advised to wipe out tmp and rebuild (reusing sstate is fine). That will likely fix things in most (but not all) cases.")
    # Write out the manifest
@@ -260,7 +260,7 @@ def sstate_install(ss, d):
    i = d2.expand("${SSTATE_MANIFESTS}/index-${SSTATE_MANMACH}")
    l = bb.utils.lockfile(i + ".lock")
-    filedata = d.getVar("STAMP", True) + " " + d2.getVar("SSTATE_MANFILEPREFIX", True) + " " + d.getVar("WORKDIR", True) + "\n"
+    filedata = d.getVar("STAMP") + " " + d2.getVar("SSTATE_MANFILEPREFIX") + " " + d.getVar("WORKDIR") + "\n"
    manifests = []
    if os.path.exists(i):
        with open(i, "r") as f:
@@ -275,7 +275,7 @@ def sstate_install(ss, d):
        if os.path.exists(state[1]):
            oe.path.copyhardlinktree(state[1], state[2])
-    for postinst in (d.getVar('SSTATEPOSTINSTFUNCS', True) or '').split():
+    for postinst in (d.getVar('SSTATEPOSTINSTFUNCS') or '').split():
        # All hooks should run in the SSTATE_INSTDIR
        bb.build.exec_func(postinst, d, (sstateinst,))
@@ -298,8 +298,8 @@ def sstate_installpkg(ss, d):
        oe.path.remove(dir)
    sstateinst = d.expand("${WORKDIR}/sstate-install-%s/" % ss['task'])
-    sstatefetch = d.getVar('SSTATE_PKGNAME', True) + '_' + ss['task'] + ".tgz"
+    sstatefetch = d.getVar('SSTATE_PKGNAME') + '_' + ss['task'] + ".tgz"
-    sstatepkg = d.getVar('SSTATE_PKG', True) + '_' + ss['task'] + ".tgz"
+    sstatepkg = d.getVar('SSTATE_PKG') + '_' + ss['task'] + ".tgz"
    if not os.path.exists(sstatepkg):
        pstaging_fetch(sstatefetch, sstatepkg, d)
@@ -313,12 +313,12 @@ def sstate_installpkg(ss, d):
    d.setVar('SSTATE_INSTDIR', sstateinst)
    d.setVar('SSTATE_PKG', sstatepkg)
-    if bb.utils.to_boolean(d.getVar("SSTATE_VERIFY_SIG", True), False):
+    if bb.utils.to_boolean(d.getVar("SSTATE_VERIFY_SIG"), False):
        signer = get_signer(d, 'local')
        if not signer.verify(sstatepkg + '.sig'):
            bb.warn("Cannot verify signature on sstate package %s" % sstatepkg)
-    for f in (d.getVar('SSTATEPREINSTFUNCS', True) or '').split() + ['sstate_unpack_package'] + (d.getVar('SSTATEPOSTUNPACKFUNCS', True) or '').split():
+    for f in (d.getVar('SSTATEPREINSTFUNCS') or '').split() + ['sstate_unpack_package'] + (d.getVar('SSTATEPOSTUNPACKFUNCS') or '').split():
        # All hooks should run in the SSTATE_INSTDIR
        bb.build.exec_func(f, d, (sstateinst,))
@@ -328,7 +328,7 @@ def sstate_installpkg(ss, d):
    sstate_install(ss, d)
    for plain in ss['plaindirs']:
-        workdir = d.getVar('WORKDIR', True)
+        workdir = d.getVar('WORKDIR')
        src = sstateinst + "/" + plain.replace(workdir, '')
        dest = plain
        bb.utils.mkdirhier(src)
@@ -344,12 +344,12 @@ python sstate_hardcode_path_unpack () {
    # sstate_hardcode_path(d)
    import subprocess
-    sstateinst = d.getVar('SSTATE_INSTDIR', True)
+    sstateinst = d.getVar('SSTATE_INSTDIR')
    fixmefn =  sstateinst + "fixmepath"
    if os.path.isfile(fixmefn):
-        staging = d.getVar('STAGING_DIR', True)
+        staging = d.getVar('STAGING_DIR')
-        staging_target = d.getVar('STAGING_DIR_TARGET', True)
+        staging_target = d.getVar('STAGING_DIR_TARGET')
-        staging_host = d.getVar('STAGING_DIR_HOST', True)
+        staging_host = d.getVar('STAGING_DIR_HOST')
        if bb.data.inherits_class('native', d) or bb.data.inherits_class('nativesdk', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('cross-canadian', d):
            sstate_sed_cmd = "sed -i -e 's:FIXMESTAGINGDIR:%s:g'" % (staging)
@@ -358,9 +358,9 @@ python sstate_hardcode_path_unpack () {
        else:
            sstate_sed_cmd = "sed -i -e 's:FIXMESTAGINGDIRHOST:%s:g'" % (staging_host)
-        extra_staging_fixmes = d.getVar('EXTRA_STAGING_FIXMES', True) or ''
+        extra_staging_fixmes = d.getVar('EXTRA_STAGING_FIXMES') or ''
        for fixmevar in extra_staging_fixmes.split():
-            fixme_path = d.getVar(fixmevar, True)
+            fixme_path = d.getVar(fixmevar)
            sstate_sed_cmd += " -e 's:FIXME_%s:%s:g'" % (fixmevar, fixme_path)
        # Add sstateinst to each filename in fixmepath, use xargs to efficiently call sed
@@ -377,12 +377,12 @@ python sstate_hardcode_path_unpack () {
 def sstate_clean_cachefile(ss, d):
    import oe.path
-    sstatepkgfile = d.getVar('SSTATE_PATHSPEC', True) + "*_" + ss['task'] + ".tgz*"
+    sstatepkgfile = d.getVar('SSTATE_PATHSPEC') + "*_" + ss['task'] + ".tgz*"
    bb.note("Removing %s" % sstatepkgfile)
    oe.path.remove(sstatepkgfile)
 def sstate_clean_cachefiles(d):
-    for task in (d.getVar('SSTATETASKS', True) or "").split():
+    for task in (d.getVar('SSTATETASKS') or "").split():
        ld = d.createCopy()
        ss = sstate_state_fromvars(ld, task)
        sstate_clean_cachefile(ss, ld)
@@ -424,7 +424,7 @@ def sstate_clean(ss, d):
    import glob
    d2 = d.createCopy()
-    stamp_clean = d.getVar("STAMPCLEAN", True)
+    stamp_clean = d.getVar("STAMPCLEAN")
    extrainf = d.getVarFlag("do_" + ss['task'], 'stamp-extra-info', True)
    if extrainf:
        d2.setVar("SSTATE_MANMACH", extrainf)
@@ -467,7 +467,7 @@ def sstate_clean(ss, d):
            oe.path.remove(stfile)
    # Removes the users/groups created by the package
-    for cleanfunc in (d.getVar('SSTATECLEANFUNCS', True) or '').split():
+    for cleanfunc in (d.getVar('SSTATECLEANFUNCS') or '').split():
        bb.build.exec_func(cleanfunc, d)
 sstate_clean[vardepsexclude] = "SSTATE_MANFILEPREFIX"
@@ -475,13 +475,13 @@ sstate_clean[vardepsexclude] = "SSTATE_MANFILEPREFIX"
 CLEANFUNCS += "sstate_cleanall"
 python sstate_cleanall() {
-    bb.note("Removing shared state for package %s" % d.getVar('PN', True))
+    bb.note("Removing shared state for package %s" % d.getVar('PN'))
-    manifest_dir = d.getVar('SSTATE_MANIFESTS', True)
+    manifest_dir = d.getVar('SSTATE_MANIFESTS')
    if not os.path.exists(manifest_dir):
        return
-    tasks = d.getVar('SSTATETASKS', True).split()
+    tasks = d.getVar('SSTATETASKS').split()
    for name in tasks:
        ld = d.createCopy()
        shared_state = sstate_state_fromvars(ld, name)
@@ -497,10 +497,10 @@ python sstate_hardcode_path () {
    # Note: the logic in this function needs to match the reverse logic
    # in sstate_installpkg(ss, d)
-    staging = d.getVar('STAGING_DIR', True)
+    staging = d.getVar('STAGING_DIR')
-    staging_target = d.getVar('STAGING_DIR_TARGET', True)
+    staging_target = d.getVar('STAGING_DIR_TARGET')
-    staging_host = d.getVar('STAGING_DIR_HOST', True)
+    staging_host = d.getVar('STAGING_DIR_HOST')
-    sstate_builddir = d.getVar('SSTATE_BUILDDIR', True)
+    sstate_builddir = d.getVar('SSTATE_BUILDDIR')
    if bb.data.inherits_class('native', d) or bb.data.inherits_class('nativesdk', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('cross-canadian', d):
        sstate_grep_cmd = "grep -l -e '%s'" % (staging)
@@ -512,14 +512,14 @@ python sstate_hardcode_path () {
        sstate_grep_cmd = "grep -l -e '%s'" % (staging_host)
        sstate_sed_cmd = "sed -i -e 's:%s:FIXMESTAGINGDIRHOST:g'" % (staging_host)
-    extra_staging_fixmes = d.getVar('EXTRA_STAGING_FIXMES', True) or ''
+    extra_staging_fixmes = d.getVar('EXTRA_STAGING_FIXMES') or ''
    for fixmevar in extra_staging_fixmes.split():
-        fixme_path = d.getVar(fixmevar, True)
+        fixme_path = d.getVar(fixmevar)
        sstate_sed_cmd += " -e 's:%s:FIXME_%s:g'" % (fixme_path, fixmevar)
    fixmefn =  sstate_builddir + "fixmepath"
-    sstate_scan_cmd = d.getVar('SSTATE_SCAN_CMD', True)
+    sstate_scan_cmd = d.getVar('SSTATE_SCAN_CMD')
    sstate_filelist_cmd = "tee %s" % (fixmefn)
    # fixmepath file needs relative paths, drop sstate_builddir prefix
@@ -568,17 +568,17 @@ def sstate_package(ss, d):
        os.remove(path)
        os.symlink(base, path)
-    tmpdir = d.getVar('TMPDIR', True)
+    tmpdir = d.getVar('TMPDIR')
    sstatebuild = d.expand("${WORKDIR}/sstate-build-%s/" % ss['task'])
-    sstatepkg = d.getVar('SSTATE_PKG', True) + '_'+ ss['task'] + ".tgz"
+    sstatepkg = d.getVar('SSTATE_PKG') + '_'+ ss['task'] + ".tgz"
    bb.utils.remove(sstatebuild, recurse=True)
    bb.utils.mkdirhier(sstatebuild)
    bb.utils.mkdirhier(os.path.dirname(sstatepkg))
    for state in ss['dirs']:
        if not os.path.exists(state[1]):
            continue
-        if d.getVar('SSTATE_SKIP_CREATION', True) == '1':
+        if d.getVar('SSTATE_SKIP_CREATION') == '1':
            continue
        srcbase = state[0].rstrip("/").rsplit('/', 1)[0]
        for walkroot, dirs, files in os.walk(state[1]):
@@ -593,7 +593,7 @@ def sstate_package(ss, d):
        bb.debug(2, "Preparing tree %s for packaging at %s" % (state[1], sstatebuild + state[0]))
        oe.path.copyhardlinktree(state[1], sstatebuild + state[0])
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
    for plain in ss['plaindirs']:
        pdir = plain.replace(workdir, sstatebuild)
        bb.utils.mkdirhier(plain)
@@ -603,9 +603,9 @@ def sstate_package(ss, d):
    d.setVar('SSTATE_BUILDDIR', sstatebuild)
    d.setVar('SSTATE_PKG', sstatepkg)
-    for f in (d.getVar('SSTATECREATEFUNCS', True) or '').split() + \
+    for f in (d.getVar('SSTATECREATEFUNCS') or '').split() + \
             ['sstate_create_package', 'sstate_sign_package'] + \
-             (d.getVar('SSTATEPOSTCREATEFUNCS', True) or '').split():
+             (d.getVar('SSTATEPOSTCREATEFUNCS') or '').split():
        # All hooks should run in SSTATE_BUILDDIR.
        bb.build.exec_func(f, d, (sstatebuild,))
@@ -617,7 +617,7 @@ def pstaging_fetch(sstatefetch, sstatepkg, d):
    import bb.fetch2
    # Only try and fetch if the user has configured a mirror
-    mirrors = d.getVar('SSTATE_MIRRORS', True)
+    mirrors = d.getVar('SSTATE_MIRRORS')
    if not mirrors:
        return
@@ -635,14 +635,14 @@ def pstaging_fetch(sstatefetch, sstatepkg, d):
    # if BB_NO_NETWORK is set but we also have SSTATE_MIRROR_ALLOW_NETWORK,
    # we'll want to allow network access for the current set of fetches.
-    if localdata.getVar('BB_NO_NETWORK', True) == "1" and localdata.getVar('SSTATE_MIRROR_ALLOW_NETWORK', True) == "1":
+    if localdata.getVar('BB_NO_NETWORK') == "1" and localdata.getVar('SSTATE_MIRROR_ALLOW_NETWORK') == "1":
        localdata.delVar('BB_NO_NETWORK')
    # Try a fetch from the sstate mirror, if it fails just return and
    # we will build the package
    uris = ['file://{0};downloadfilename={0}'.format(sstatefetch),
            'file://{0}.siginfo;downloadfilename={0}.siginfo'.format(sstatefetch)]
-    if bb.utils.to_boolean(d.getVar("SSTATE_VERIFY_SIG", True), False):
+    if bb.utils.to_boolean(d.getVar("SSTATE_VERIFY_SIG"), False):
        uris += ['file://{0}.sig;downloadfilename={0}.sig'.format(sstatefetch)]
    for srcuri in uris:
@@ -671,7 +671,7 @@ python sstate_task_postfunc () {
    sstate_install(shared_state, d)
    for intercept in shared_state['interceptfuncs']:
-        bb.build.exec_func(intercept, d, (d.getVar("WORKDIR", True),))
+        bb.build.exec_func(intercept, d, (d.getVar("WORKDIR"),))
    omask = os.umask(0o002)
    if omask != 0o002:
       bb.note("Using umask 0o002 (not %0o) for sstate packaging" % omask)
@@ -709,13 +709,13 @@ sstate_create_package () {
 python sstate_sign_package () {
    from oe.gpg_sign import get_signer
-    if d.getVar('SSTATE_SIG_KEY', True):
+    if d.getVar('SSTATE_SIG_KEY'):
        signer = get_signer(d, 'local')
-        sstate_pkg = d.getVar('SSTATE_PKG', True)
+        sstate_pkg = d.getVar('SSTATE_PKG')
        if os.path.exists(sstate_pkg + '.sig'):
            os.unlink(sstate_pkg + '.sig')
        signer.detach_sign(sstate_pkg, d.getVar('SSTATE_SIG_KEY', False), None,
-                           d.getVar('SSTATE_SIG_PASSPHRASE', True), armor=False)
+                           d.getVar('SSTATE_SIG_PASSPHRASE'), armor=False)
 }
 #
@@ -746,7 +746,7 @@ def sstate_checkhashes(sq_fn, sq_task, sq_hash, sq_hashfn, d, siginfo=False):
        splithashfn = sq_hashfn[task].split(" ")
        spec = splithashfn[1]
        if splithashfn[0] == "True":
-            extrapath = d.getVar("NATIVELSBSTRING", True) + "/"
+            extrapath = d.getVar("NATIVELSBSTRING") + "/"
        else:
            extrapath = ""
@@ -785,7 +785,7 @@ def sstate_checkhashes(sq_fn, sq_task, sq_hash, sq_hashfn, d, siginfo=False):
            missed.append(task)
            bb.debug(2, "SState: Looked for but didn't find file %s" % sstatefile)
-    mirrors = d.getVar("SSTATE_MIRRORS", True)
+    mirrors = d.getVar("SSTATE_MIRRORS")
    if mirrors:
        # Copy the data object and override DL_DIR and SRC_URI
        localdata = bb.data.createCopy(d)
@@ -801,7 +801,7 @@ def sstate_checkhashes(sq_fn, sq_task, sq_hash, sq_hashfn, d, siginfo=False):
        # if BB_NO_NETWORK is set but we also have SSTATE_MIRROR_ALLOW_NETWORK,
        # we'll want to allow network access for the current set of fetches.
-        if localdata.getVar('BB_NO_NETWORK', True) == "1" and localdata.getVar('SSTATE_MIRROR_ALLOW_NETWORK', True) == "1":
+        if localdata.getVar('BB_NO_NETWORK') == "1" and localdata.getVar('SSTATE_MIRROR_ALLOW_NETWORK') == "1":
            localdata.delVar('BB_NO_NETWORK')
        whitelist = bb.runqueue.get_setscene_enforce_whitelist(d)
@@ -868,7 +868,7 @@ def sstate_checkhashes(sq_fn, sq_task, sq_hash, sq_hashfn, d, siginfo=False):
            if whitelist and missing:
                bb.fatal('Required artifacts were unavailable - exiting')
-    inheritlist = d.getVar("INHERIT", True)
+    inheritlist = d.getVar("INHERIT")
    if "toaster" in inheritlist:
        evdata = {'missed': [], 'found': []};
        for task in missed:
@@ -977,15 +977,15 @@ sstate_eventhandler[eventmask] = "bb.build.TaskSucceeded"
 python sstate_eventhandler() {
    d = e.data
    # When we write an sstate package we rewrite the SSTATE_PKG
-    spkg = d.getVar('SSTATE_PKG', True)
+    spkg = d.getVar('SSTATE_PKG')
    if not spkg.endswith(".tgz"):
-        taskname = d.getVar("BB_RUNTASK", True)[3:]
+        taskname = d.getVar("BB_RUNTASK")[3:]
-        spec = d.getVar('SSTATE_PKGSPEC', True)
+        spec = d.getVar('SSTATE_PKGSPEC')
-        swspec = d.getVar('SSTATE_SWSPEC', True)
+        swspec = d.getVar('SSTATE_SWSPEC')
        if taskname in ["fetch", "unpack", "patch", "populate_lic", "preconfigure"] and swspec:
            d.setVar("SSTATE_PKGSPEC", "${SSTATE_SWSPEC}")
            d.setVar("SSTATE_EXTRAPATH", "")
-        sstatepkg = d.getVar('SSTATE_PKG', True)
+        sstatepkg = d.getVar('SSTATE_PKG')
        bb.siggen.dump_this_task(sstatepkg + '_' + taskname + ".tgz" ".siginfo", d)
 }
@@ -1004,7 +1004,7 @@ python sstate_eventhandler2() {
    stamps = e.stamps.values()
    removeworkdir = (d.getVar("SSTATE_PRUNE_OBSOLETEWORKDIR", False) == "1")
    seen = []
-    for a in d.getVar("SSTATE_ARCHS", True).split():
+    for a in d.getVar("SSTATE_ARCHS").split():
        toremove = []
        i = d.expand("${SSTATE_MANIFESTS}/index-" + a)
        if not os.path.exists(i):
diff --git a/meta/classes/staging.bbclass b/meta/classes/staging.bbclass
index bfabd06f3f..72a7421ba6 100644
--- a/meta/classes/staging.bbclass
+++ b/meta/classes/staging.bbclass
@@ -69,8 +69,8 @@ sysroot_stage_all() {
 python sysroot_strip () {
    import stat, errno
-    dvar = d.getVar('SYSROOT_DESTDIR', True)
+    dvar = d.getVar('SYSROOT_DESTDIR')
-    pn = d.getVar('PN', True)
+    pn = d.getVar('PN')
    os.chdir(dvar)
@@ -103,9 +103,9 @@ python sysroot_strip () {
    elffiles = {}
    inodes = {}
-    libdir = os.path.abspath(dvar + os.sep + d.getVar("libdir", True))
+    libdir = os.path.abspath(dvar + os.sep + d.getVar("libdir"))
-    baselibdir = os.path.abspath(dvar + os.sep + d.getVar("base_libdir", True))
+    baselibdir = os.path.abspath(dvar + os.sep + d.getVar("base_libdir"))
-    if (d.getVar('INHIBIT_SYSROOT_STRIP', True) != '1'):
+    if (d.getVar('INHIBIT_SYSROOT_STRIP') != '1'):
        #
        # First lets figure out all of the files we may have to process
        #
@@ -136,7 +136,7 @@ python sysroot_strip () {
                    elf_file = isELF(file)
                    if elf_file & 1:
                        if elf_file & 2:
-                            if 'already-stripped' in (d.getVar('INSANE_SKIP_' + pn, True) or "").split():
+                            if 'already-stripped' in (d.getVar('INSANE_SKIP_' + pn) or "").split():
                                bb.note("Skipping file %s from %s for already-stripped QA test" % (file[len(dvar):], pn))
                            else:
                                bb.warn("File '%s' from %s was already stripped, this will prevent future debugging!" % (file[len(dvar):], pn))
@@ -154,7 +154,7 @@ python sysroot_strip () {
        #
        # Now strip them (in parallel)
        #
-        strip = d.getVar("STRIP", True)
+        strip = d.getVar("STRIP")
        sfiles = []
        for file in elffiles:
            elf_file = int(elffiles[file])
@@ -211,13 +211,13 @@ def sysroot_checkhashes(covered, tasknames, fnids, fns, d, invalidtasks = None):
 python do_populate_sysroot () {
    bb.build.exec_func("sysroot_stage_all", d)
    bb.build.exec_func("sysroot_strip", d)
-    for f in (d.getVar('SYSROOT_PREPROCESS_FUNCS', True) or '').split():
+    for f in (d.getVar('SYSROOT_PREPROCESS_FUNCS') or '').split():
        bb.build.exec_func(f, d)
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
-    multiprov = d.getVar("MULTI_PROVIDER_WHITELIST", True).split()
+    multiprov = d.getVar("MULTI_PROVIDER_WHITELIST").split()
    provdir = d.expand("${SYSROOT_DESTDIR}${base_prefix}/sysroot-providers/")
    bb.utils.mkdirhier(provdir)
-    for p in d.getVar("PROVIDES", True).split():
+    for p in d.getVar("PROVIDES").split():
        if p in multiprov:
            continue
        p = p.replace("/", "_")
diff --git a/meta/classes/syslinux.bbclass b/meta/classes/syslinux.bbclass
index 7778fd708f..d8859b35bd 100644
--- a/meta/classes/syslinux.bbclass
+++ b/meta/classes/syslinux.bbclass
@@ -84,12 +84,12 @@ python build_syslinux_cfg () {
    import copy
    import sys
-    workdir = d.getVar('WORKDIR', True)
+    workdir = d.getVar('WORKDIR')
    if not workdir:
        bb.error("WORKDIR not defined, unable to package")
        return
        
-    labels = d.getVar('LABELS', True)
+    labels = d.getVar('LABELS')
    if not labels:
        bb.debug(1, "LABELS not defined, nothing to do")
        return
@@ -98,7 +98,7 @@ python build_syslinux_cfg () {
        bb.debug(1, "No labels, nothing to do")
        return
-    cfile = d.getVar('SYSLINUX_CFG', True)
+    cfile = d.getVar('SYSLINUX_CFG')
    if not cfile:
        bb.fatal('Unable to read SYSLINUX_CFG')
@@ -109,39 +109,39 @@ python build_syslinux_cfg () {
    cfgfile.write('# Automatically created by OE\n')
-    opts = d.getVar('SYSLINUX_OPTS', True)
+    opts = d.getVar('SYSLINUX_OPTS')
    if opts:
        for opt in opts.split(';'):
            cfgfile.write('%s\n' % opt)
-    allowoptions = d.getVar('SYSLINUX_ALLOWOPTIONS', True)
+    allowoptions = d.getVar('SYSLINUX_ALLOWOPTIONS')
    if allowoptions:
        cfgfile.write('ALLOWOPTIONS %s\n' % allowoptions)
    else:
        cfgfile.write('ALLOWOPTIONS 1\n')
-    syslinux_default_console = d.getVar('SYSLINUX_DEFAULT_CONSOLE', True)
+    syslinux_default_console = d.getVar('SYSLINUX_DEFAULT_CONSOLE')
-    syslinux_serial_tty = d.getVar('SYSLINUX_SERIAL_TTY', True)
+    syslinux_serial_tty = d.getVar('SYSLINUX_SERIAL_TTY')
-    syslinux_serial = d.getVar('SYSLINUX_SERIAL', True)
+    syslinux_serial = d.getVar('SYSLINUX_SERIAL')
    if syslinux_serial:
        cfgfile.write('SERIAL %s\n' % syslinux_serial)
-    menu = (d.getVar('AUTO_SYSLINUXMENU', True) == "1")
+    menu = (d.getVar('AUTO_SYSLINUXMENU') == "1")
    if menu and syslinux_serial:
        cfgfile.write('DEFAULT Graphics console %s\n' % (labels.split()[0]))
    else:
        cfgfile.write('DEFAULT %s\n' % (labels.split()[0]))
-    timeout = d.getVar('SYSLINUX_TIMEOUT', True)
+    timeout = d.getVar('SYSLINUX_TIMEOUT')
    if timeout:
        cfgfile.write('TIMEOUT %s\n' % timeout)
    else:
        cfgfile.write('TIMEOUT 50\n')
-    prompt = d.getVar('SYSLINUX_PROMPT', True)
+    prompt = d.getVar('SYSLINUX_PROMPT')
    if prompt:
        cfgfile.write('PROMPT %s\n' % prompt)
    else:
@@ -151,14 +151,14 @@ python build_syslinux_cfg () {
        cfgfile.write('ui vesamenu.c32\n')
        cfgfile.write('menu title Select kernel options and boot kernel\n')
        cfgfile.write('menu tabmsg Press [Tab] to edit, [Return] to select\n')
-        splash = d.getVar('SYSLINUX_SPLASH', True)
+        splash = d.getVar('SYSLINUX_SPLASH')
        if splash:
            cfgfile.write('menu background splash.lss\n')
    
    for label in labels.split():
        localdata = bb.data.createCopy(d)
-        overrides = localdata.getVar('OVERRIDES', True)
+        overrides = localdata.getVar('OVERRIDES')
        if not overrides:
            bb.fatal('OVERRIDES not defined')
@@ -170,19 +170,19 @@ python build_syslinux_cfg () {
            btypes = [ [ "Graphics console ", syslinux_default_console  ],
                [ "Serial console ", syslinux_serial_tty ] ]
-        root= d.getVar('SYSLINUX_ROOT', True)
+        root= d.getVar('SYSLINUX_ROOT')
        if not root:
            bb.fatal('SYSLINUX_ROOT not defined')
        for btype in btypes:
            cfgfile.write('LABEL %s%s\nKERNEL /vmlinuz\n' % (btype[0], label))
-            exargs = d.getVar('SYSLINUX_KERNEL_ARGS', True)
+            exargs = d.getVar('SYSLINUX_KERNEL_ARGS')
            if exargs:
                btype[1] += " " + exargs
-            append = localdata.getVar('APPEND', True)
+            append = localdata.getVar('APPEND')
-            initrd = localdata.getVar('INITRD', True)
+            initrd = localdata.getVar('INITRD')
            append = root + " " + append
            cfgfile.write('APPEND ')
diff --git a/meta/classes/systemd-boot.bbclass b/meta/classes/systemd-boot.bbclass
index 05244c7e50..60729a756c 100644
--- a/meta/classes/systemd-boot.bbclass
+++ b/meta/classes/systemd-boot.bbclass
@@ -63,8 +63,8 @@ efi_hddimg_populate() {
 }
 python build_efi_cfg() {
-    s = d.getVar("S", True)
+    s = d.getVar("S")
-    labels = d.getVar('LABELS', True)
+    labels = d.getVar('LABELS')
    if not labels:
        bb.debug(1, "LABELS not defined, nothing to do")
        return
@@ -73,7 +73,7 @@ python build_efi_cfg() {
        bb.debug(1, "No labels, nothing to do")
        return
-    cfile = d.getVar('SYSTEMD_BOOT_CFG', True)
+    cfile = d.getVar('SYSTEMD_BOOT_CFG')
    try:
         cfgfile = open(cfile, 'w')
    except OSError:
@@ -81,7 +81,7 @@ python build_efi_cfg() {
    cfgfile.write('# Automatically created by OE\n')
    cfgfile.write('default %s\n' % (labels.split()[0]))
-    timeout = d.getVar('SYSTEMD_BOOT_TIMEOUT', True)
+    timeout = d.getVar('SYSTEMD_BOOT_TIMEOUT')
    if timeout:
        cfgfile.write('timeout %s\n' % timeout)
    else:
@@ -91,7 +91,7 @@ python build_efi_cfg() {
    for label in labels.split():
        localdata = d.createCopy()
-        overrides = localdata.getVar('OVERRIDES', True)
+        overrides = localdata.getVar('OVERRIDES')
        if not overrides:
            bb.fatal('OVERRIDES not defined')
@@ -107,8 +107,8 @@ python build_efi_cfg() {
        entrycfg.write('title %s\n' % label)
        entrycfg.write('linux /vmlinuz\n')
-        append = localdata.getVar('APPEND', True)
+        append = localdata.getVar('APPEND')
-        initrd = localdata.getVar('INITRD', True)
+        initrd = localdata.getVar('INITRD')
        if initrd:
            entrycfg.write('initrd /initrd\n')
diff --git a/meta/classes/systemd.bbclass b/meta/classes/systemd.bbclass
index 99a08a09a4..34bfefad40 100644
--- a/meta/classes/systemd.bbclass
+++ b/meta/classes/systemd.bbclass
@@ -71,12 +71,12 @@ python systemd_populate_packages() {
    def get_package_var(d, var, pkg):
        val = (d.getVar('%s_%s' % (var, pkg), True) or "").strip()
        if val == "":
-            val = (d.getVar(var, True) or "").strip()
+            val = (d.getVar(var) or "").strip()
        return val
    # Check if systemd-packages already included in PACKAGES
    def systemd_check_package(pkg_systemd):
-        packages = d.getVar('PACKAGES', True)
+        packages = d.getVar('PACKAGES')
        if not pkg_systemd in packages.split():
            bb.error('%s does not appear in package list, please add it' % pkg_systemd)
@@ -90,23 +90,23 @@ python systemd_populate_packages() {
        localdata.prependVar("OVERRIDES", pkg + ":")
        bb.data.update_data(localdata)
-        postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+        postinst = d.getVar('pkg_postinst_%s' % pkg)
        if not postinst:
            postinst = '#!/bin/sh\n'
-        postinst += localdata.getVar('systemd_postinst', True)
+        postinst += localdata.getVar('systemd_postinst')
        d.setVar('pkg_postinst_%s' % pkg, postinst)
-        prerm = d.getVar('pkg_prerm_%s' % pkg, True)
+        prerm = d.getVar('pkg_prerm_%s' % pkg)
        if not prerm:
            prerm = '#!/bin/sh\n'
-        prerm += localdata.getVar('systemd_prerm', True)
+        prerm += localdata.getVar('systemd_prerm')
        d.setVar('pkg_prerm_%s' % pkg, prerm)
    # Add files to FILES_*-systemd if existent and not already done
    def systemd_append_file(pkg_systemd, file_append):
        appended = False
-        if os.path.exists(oe.path.join(d.getVar("D", True), file_append)):
+        if os.path.exists(oe.path.join(d.getVar("D"), file_append)):
            var_name = "FILES_" + pkg_systemd
            files = d.getVar(var_name, False) or ""
            if file_append not in files.split():
@@ -118,7 +118,7 @@ python systemd_populate_packages() {
    def systemd_add_files_and_parse(pkg_systemd, path, service, keys):
        # avoid infinite recursion
        if systemd_append_file(pkg_systemd, oe.path.join(path, service)):
-            fullpath = oe.path.join(d.getVar("D", True), path, service)
+            fullpath = oe.path.join(d.getVar("D"), path, service)
            if service.find('.service') != -1:
                # for *.service add *@.service
                service_base = service.replace('.service', '')
@@ -141,9 +141,9 @@ python systemd_populate_packages() {
    # Check service-files and call systemd_add_files_and_parse for each entry
    def systemd_check_services():
-        searchpaths = [oe.path.join(d.getVar("sysconfdir", True), "systemd", "system"),]
+        searchpaths = [oe.path.join(d.getVar("sysconfdir"), "systemd", "system"),]
-        searchpaths.append(d.getVar("systemd_system_unitdir", True))
+        searchpaths.append(d.getVar("systemd_system_unitdir"))
-        systemd_packages = d.getVar('SYSTEMD_PACKAGES', True)
+        systemd_packages = d.getVar('SYSTEMD_PACKAGES')
        keys = 'Also'
        # scan for all in SYSTEMD_SERVICE[]
@@ -158,11 +158,11 @@ python systemd_populate_packages() {
                    base = re.sub('@[^.]+.', '@.', service)
                for path in searchpaths:
-                    if os.path.exists(oe.path.join(d.getVar("D", True), path, service)):
+                    if os.path.exists(oe.path.join(d.getVar("D"), path, service)):
                        path_found = path
                        break
                    elif base is not None:
-                        if os.path.exists(oe.path.join(d.getVar("D", True), path, base)):
+                        if os.path.exists(oe.path.join(d.getVar("D"), path, base)):
                            path_found = path
                            break
@@ -172,10 +172,10 @@ python systemd_populate_packages() {
                    bb.fatal("SYSTEMD_SERVICE_%s value %s does not exist" % (pkg_systemd, service))
    # Run all modifications once when creating package
-    if os.path.exists(d.getVar("D", True)):
+    if os.path.exists(d.getVar("D")):
-        for pkg in d.getVar('SYSTEMD_PACKAGES', True).split():
+        for pkg in d.getVar('SYSTEMD_PACKAGES').split():
            systemd_check_package(pkg)
-            if d.getVar('SYSTEMD_SERVICE_' + pkg, True):
+            if d.getVar('SYSTEMD_SERVICE_' + pkg):
                systemd_generate_package_scripts(pkg)
        systemd_check_services()
 }
@@ -185,7 +185,7 @@ PACKAGESPLITFUNCS_prepend = "systemd_populate_packages "
 python rm_systemd_unitdir (){
    import shutil
    if not bb.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d):
-        systemd_unitdir = oe.path.join(d.getVar("D", True), d.getVar('systemd_unitdir', True))
+        systemd_unitdir = oe.path.join(d.getVar("D"), d.getVar('systemd_unitdir'))
        if os.path.exists(systemd_unitdir):
            shutil.rmtree(systemd_unitdir)
        systemd_libdir = os.path.dirname(systemd_unitdir)
@@ -196,12 +196,12 @@ do_install[postfuncs] += "rm_systemd_unitdir "
 python rm_sysvinit_initddir (){
    import shutil
-    sysv_initddir = oe.path.join(d.getVar("D", True), (d.getVar('INIT_D_DIR', True) or "/etc/init.d"))
+    sysv_initddir = oe.path.join(d.getVar("D"), (d.getVar('INIT_D_DIR') or "/etc/init.d"))
    if bb.utils.contains('DISTRO_FEATURES', 'systemd', True, False, d) and \
        not bb.utils.contains('DISTRO_FEATURES', 'sysvinit', True, False, d) and \
        os.path.exists(sysv_initddir):
-        systemd_system_unitdir = oe.path.join(d.getVar("D", True), d.getVar('systemd_system_unitdir', True))
+        systemd_system_unitdir = oe.path.join(d.getVar("D"), d.getVar('systemd_system_unitdir'))
        # If systemd_system_unitdir contains anything, delete sysv_initddir
        if (os.path.exists(systemd_system_unitdir) and os.listdir(systemd_system_unitdir)):
diff --git a/meta/classes/terminal.bbclass b/meta/classes/terminal.bbclass
index cd8d124507..5db013f4dc 100644
--- a/meta/classes/terminal.bbclass
+++ b/meta/classes/terminal.bbclass
@@ -19,9 +19,9 @@ def emit_terminal_func(command, envdata, d):
    envdata.setVar(cmd_func, 'exec ' + command)
    envdata.setVarFlag(cmd_func, 'func', '1')
-    runfmt = d.getVar('BB_RUNFMT', True) or "run.{func}.{pid}"
+    runfmt = d.getVar('BB_RUNFMT') or "run.{func}.{pid}"
    runfile = runfmt.format(func=cmd_func, task=cmd_func, taskfunc=cmd_func, pid=os.getpid())
-    runfile = os.path.join(d.getVar('T', True), runfile)
+    runfile = os.path.join(d.getVar('T'), runfile)
    bb.utils.mkdirhier(os.path.dirname(runfile))
    with open(runfile, 'w') as script:
@@ -44,7 +44,7 @@ def oe_terminal(command, title, d):
        envdata.setVarFlag(v, 'export', '1')
    for export in oe.data.typed_value('OE_TERMINAL_EXPORTS', d):
-        value = d.getVar(export, True)
+        value = d.getVar(export)
        if value is not None:
            os.environ[export] = str(value)
            envdata.setVar(export, str(value))
@@ -60,7 +60,7 @@ def oe_terminal(command, title, d):
    for key in origbbenv:
        if key in envdata:
            continue
-        value = origbbenv.getVar(key, True)
+        value = origbbenv.getVar(key)
        if value is not None:
            os.environ[key] = str(value)
            envdata.setVar(key, str(value))
diff --git a/meta/classes/testexport.bbclass b/meta/classes/testexport.bbclass
index 5147020820..3f7b2de71d 100644
--- a/meta/classes/testexport.bbclass
+++ b/meta/classes/testexport.bbclass
@@ -49,19 +49,19 @@ def exportTests(d,tc):
    import re
    import oe.path
-    exportpath = d.getVar("TEST_EXPORT_DIR", True)
+    exportpath = d.getVar("TEST_EXPORT_DIR")
    savedata = {}
    savedata["d"] = {}
    savedata["target"] = {}
-    savedata["target"]["ip"] = tc.target.ip or d.getVar("TEST_TARGET_IP", True)
+    savedata["target"]["ip"] = tc.target.ip or d.getVar("TEST_TARGET_IP")
-    savedata["target"]["server_ip"] = tc.target.server_ip or d.getVar("TEST_SERVER_IP", True)
+    savedata["target"]["server_ip"] = tc.target.server_ip or d.getVar("TEST_SERVER_IP")
    keys = [ key for key in d.keys() if not key.startswith("_") and not key.startswith("BB") \
            and not key.startswith("B_pn") and not key.startswith("do_") and not d.getVarFlag(key, "func", True)]
    for key in keys:
        try:
-            savedata["d"][key] = d.getVar(key, True)
+            savedata["d"][key] = d.getVar(key)
        except bb.data_smart.ExpansionError:
            # we don't care about those anyway
            pass
@@ -71,7 +71,7 @@ def exportTests(d,tc):
            json.dump(savedata, f, skipkeys=True, indent=4, sort_keys=True)
    # Replace absolute path with relative in the file
-    exclude_path = os.path.join(d.getVar("COREBASE", True),'meta','lib','oeqa')
+    exclude_path = os.path.join(d.getVar("COREBASE"),'meta','lib','oeqa')
    f1 = open(json_file,'r').read()
    f2 = open(json_file,'w')
    m = f1.replace(exclude_path,'oeqa')
@@ -90,7 +90,7 @@ def exportTests(d,tc):
    bb.utils.mkdirhier(os.path.join(exportpath, "oeqa/runtime/files"))
    bb.utils.mkdirhier(os.path.join(exportpath, "oeqa/utils"))
    # copy test modules, this should cover tests in other layers too
-    bbpath = d.getVar("BBPATH", True).split(':')
+    bbpath = d.getVar("BBPATH").split(':')
    for t in tc.testslist:
        isfolder = False
        if re.search("\w+\.\w+\.test_\S+", t):
@@ -111,7 +111,7 @@ def exportTests(d,tc):
            if os.path.isfile(json_file):
                shutil.copy2(json_file, os.path.join(exportpath, "oeqa/runtime"))
    # Get meta layer
-    for layer in d.getVar("BBLAYERS", True).split():
+    for layer in d.getVar("BBLAYERS").split():
        if os.path.basename(layer) == "meta":
            meta_layer = layer
            break
@@ -130,28 +130,28 @@ def exportTests(d,tc):
            shutil.copy2(os.path.join(root, f), os.path.join(exportpath, "oeqa/runtime/files"))
    # Create tar file for common parts of testexport
-    create_tarball(d, "testexport.tar.gz", d.getVar("TEST_EXPORT_DIR", True))
+    create_tarball(d, "testexport.tar.gz", d.getVar("TEST_EXPORT_DIR"))
    # Copy packages needed for runtime testing
-    test_pkg_dir = d.getVar("TEST_NEEDED_PACKAGES_DIR", True)
+    test_pkg_dir = d.getVar("TEST_NEEDED_PACKAGES_DIR")
    if os.listdir(test_pkg_dir):
-        export_pkg_dir = os.path.join(d.getVar("TEST_EXPORT_DIR", True), "packages")
+        export_pkg_dir = os.path.join(d.getVar("TEST_EXPORT_DIR"), "packages")
        oe.path.copytree(test_pkg_dir, export_pkg_dir)
        # Create tar file for packages needed by the DUT
-        create_tarball(d, "testexport_packages_%s.tar.gz" % d.getVar("MACHINE", True), export_pkg_dir)
+        create_tarball(d, "testexport_packages_%s.tar.gz" % d.getVar("MACHINE"), export_pkg_dir)
    # Copy SDK
-    if d.getVar("TEST_EXPORT_SDK_ENABLED", True) == "1":
+    if d.getVar("TEST_EXPORT_SDK_ENABLED") == "1":
-        sdk_deploy = d.getVar("SDK_DEPLOY", True)
+        sdk_deploy = d.getVar("SDK_DEPLOY")
-        tarball_name = "%s.sh" % d.getVar("TEST_EXPORT_SDK_NAME", True)
+        tarball_name = "%s.sh" % d.getVar("TEST_EXPORT_SDK_NAME")
        tarball_path = os.path.join(sdk_deploy, tarball_name)
-        export_sdk_dir = os.path.join(d.getVar("TEST_EXPORT_DIR", True),
+        export_sdk_dir = os.path.join(d.getVar("TEST_EXPORT_DIR"),
-                                      d.getVar("TEST_EXPORT_SDK_DIR", True))
+                                      d.getVar("TEST_EXPORT_SDK_DIR"))
        bb.utils.mkdirhier(export_sdk_dir)
        shutil.copy2(tarball_path, export_sdk_dir)
        # Create tar file for the sdk
-        create_tarball(d, "testexport_sdk_%s.tar.gz" % d.getVar("SDK_ARCH", True), export_sdk_dir)
+        create_tarball(d, "testexport_sdk_%s.tar.gz" % d.getVar("SDK_ARCH"), export_sdk_dir)
    bb.plain("Exported tests to: %s" % exportpath)
@@ -161,8 +161,8 @@ def testexport_main(d):
    from oeqa.utils.dump import get_host_dumper
    test_create_extract_dirs(d)
-    export_dir = d.getVar("TEST_EXPORT_DIR", True)
+    export_dir = d.getVar("TEST_EXPORT_DIR")
-    bb.utils.mkdirhier(d.getVar("TEST_LOG_DIR", True))
+    bb.utils.mkdirhier(d.getVar("TEST_LOG_DIR"))
    bb.utils.remove(export_dir, recurse=True)
    bb.utils.mkdirhier(export_dir)
@@ -188,7 +188,7 @@ def create_tarball(d, tar_name, src_dir):
    import tarfile
-    tar_path = os.path.join(d.getVar("TEST_EXPORT_DIR", True), tar_name)
+    tar_path = os.path.join(d.getVar("TEST_EXPORT_DIR"), tar_name)
    current_dir = os.getcwd()
    src_dir = src_dir.rstrip('/')
    dir_name = os.path.dirname(src_dir)
diff --git a/meta/classes/testimage.bbclass b/meta/classes/testimage.bbclass
index 6b6781d860..770ec801c2 100644
--- a/meta/classes/testimage.bbclass
+++ b/meta/classes/testimage.bbclass
@@ -130,8 +130,8 @@ def testimage_main(d):
    from oeqa.targetcontrol import get_target_controller
    from oeqa.utils.dump import get_host_dumper
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
-    bb.utils.mkdirhier(d.getVar("TEST_LOG_DIR", True))
+    bb.utils.mkdirhier(d.getVar("TEST_LOG_DIR"))
    test_create_extract_dirs(d)
    # we need the host dumper in test context
@@ -176,10 +176,10 @@ def testimage_main(d):
        target.stop()
 def test_create_extract_dirs(d):
-    install_path = d.getVar("TEST_INSTALL_TMP_DIR", True)
+    install_path = d.getVar("TEST_INSTALL_TMP_DIR")
-    package_path = d.getVar("TEST_PACKAGED_DIR", True)
+    package_path = d.getVar("TEST_PACKAGED_DIR")
-    extracted_path = d.getVar("TEST_EXTRACTED_DIR", True)
+    extracted_path = d.getVar("TEST_EXTRACTED_DIR")
-    bb.utils.mkdirhier(d.getVar("TEST_LOG_DIR", True))
+    bb.utils.mkdirhier(d.getVar("TEST_LOG_DIR"))
    bb.utils.remove(package_path, recurse=True)
    bb.utils.mkdirhier(install_path)
    bb.utils.mkdirhier(package_path)
diff --git a/meta/classes/testsdk.bbclass b/meta/classes/testsdk.bbclass
index 06b4c5034f..063b9080a5 100644
--- a/meta/classes/testsdk.bbclass
+++ b/meta/classes/testsdk.bbclass
@@ -54,8 +54,8 @@ def testsdk_main(d):
    import subprocess
    from oeqa.oetest import SDKTestContext
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
-    bb.utils.mkdirhier(d.getVar("TEST_LOG_DIR", True))
+    bb.utils.mkdirhier(d.getVar("TEST_LOG_DIR"))
    tcname = d.expand("${SDK_DEPLOY}/${TOOLCHAIN_OUTPUTNAME}.sh")
    if not os.path.exists(tcname):
@@ -100,12 +100,12 @@ def testsdkext_main(d):
    # extensible sdk can be contaminated if native programs are
    # in PATH, i.e. use perl-native instead of eSDK one.
-    paths_to_avoid = [d.getVar('STAGING_DIR', True),
+    paths_to_avoid = [d.getVar('STAGING_DIR'),
-                      d.getVar('BASE_WORKDIR', True)]
+                      d.getVar('BASE_WORKDIR')]
    os.environ['PATH'] = avoid_paths_in_environ(paths_to_avoid)
-    pn = d.getVar("PN", True)
+    pn = d.getVar("PN")
-    bb.utils.mkdirhier(d.getVar("TEST_LOG_SDKEXT_DIR", True))
+    bb.utils.mkdirhier(d.getVar("TEST_LOG_SDKEXT_DIR"))
    tcname = d.expand("${SDK_DEPLOY}/${TOOLCHAINEXT_OUTPUTNAME}.sh")
    if not os.path.exists(tcname):
diff --git a/meta/classes/tinderclient.bbclass b/meta/classes/tinderclient.bbclass
index 917b74d887..706a392d7f 100644
--- a/meta/classes/tinderclient.bbclass
+++ b/meta/classes/tinderclient.bbclass
@@ -55,22 +55,22 @@ def tinder_format_http_post(d,status,log):
    # the variables we will need to send on this form post
    variables =  {
-        "tree"         : d.getVar('TINDER_TREE', True),
+        "tree"         : d.getVar('TINDER_TREE'),
-        "machine_name" : d.getVar('TINDER_MACHINE', True),
+        "machine_name" : d.getVar('TINDER_MACHINE'),
        "os"           : os.uname()[0],
        "os_version"   : os.uname()[2],
        "compiler"     : "gcc",
-        "clobber"      : d.getVar('TINDER_CLOBBER', True) or "0",
+        "clobber"      : d.getVar('TINDER_CLOBBER') or "0",
-        "srcdate"      : d.getVar('SRCDATE', True),
+        "srcdate"      : d.getVar('SRCDATE'),
-        "PN"           : d.getVar('PN', True),
+        "PN"           : d.getVar('PN'),
-        "PV"           : d.getVar('PV', True),
+        "PV"           : d.getVar('PV'),
-        "PR"           : d.getVar('PR', True),
+        "PR"           : d.getVar('PR'),
-        "FILE"         : d.getVar('FILE', True) or "N/A",
+        "FILE"         : d.getVar('FILE') or "N/A",
-        "TARGETARCH"   : d.getVar('TARGET_ARCH', True),
+        "TARGETARCH"   : d.getVar('TARGET_ARCH'),
-        "TARGETFPU"    : d.getVar('TARGET_FPU', True) or "Unknown",
+        "TARGETFPU"    : d.getVar('TARGET_FPU') or "Unknown",
-        "TARGETOS"     : d.getVar('TARGET_OS', True) or "Unknown",
+        "TARGETOS"     : d.getVar('TARGET_OS') or "Unknown",
-        "MACHINE"      : d.getVar('MACHINE', True) or "Unknown",
+        "MACHINE"      : d.getVar('MACHINE') or "Unknown",
-        "DISTRO"       : d.getVar('DISTRO', True) or "Unknown",
+        "DISTRO"       : d.getVar('DISTRO') or "Unknown",
        "zecke-rocks"  : "sure",
    }
@@ -127,7 +127,7 @@ def tinder_build_start(d):
    # now we will need to save the machine number
    # we will override any previous numbers
-    f = open(d.getVar('TMPDIR', True)+"/tinder-machine.id", 'w')
+    f = open(d.getVar('TMPDIR')+"/tinder-machine.id", 'w')
    f.write(report)
@@ -137,8 +137,8 @@ def tinder_send_http(d, status, _log):
    """
    # get the body and type
-    server = d.getVar('TINDER_HOST', True)
+    server = d.getVar('TINDER_HOST')
-    url    = d.getVar('TINDER_URL', True)
+    url    = d.getVar('TINDER_URL')
    selector = url + "/xml/build_status.pl"
@@ -278,7 +278,7 @@ def tinder_do_tinder_report(event):
        try:
            # truncate the tinder log file
-            f = open(event.data.getVar('TINDER_LOG', True), 'w')
+            f = open(event.data.getVar('TINDER_LOG'), 'w')
            f.write("")
            f.close()
        except:
@@ -287,7 +287,7 @@ def tinder_do_tinder_report(event):
        try:
            # write a status to the file. This is needed for the -k option
            # of BitBake
-            g = open(event.data.getVar('TMPDIR', True)+"/tinder-status", 'w')
+            g = open(event.data.getVar('TMPDIR')+"/tinder-status", 'w')
            g.write("")
            g.close()
        except IOError:
@@ -296,10 +296,10 @@ def tinder_do_tinder_report(event):
    # Append the Task-Log (compile,configure...) to the log file
    # we will send to the server
    if name == "TaskSucceeded" or name == "TaskFailed":
-        log_file = glob.glob("%s/log.%s.*" % (event.data.getVar('T', True), event.task))
+        log_file = glob.glob("%s/log.%s.*" % (event.data.getVar('T'), event.task))
        if len(log_file) != 0:
-            to_file  = event.data.getVar('TINDER_LOG', True)
+            to_file  = event.data.getVar('TINDER_LOG')
            log     += "".join(open(log_file[0], 'r').readlines())
    # set the right 'HEADER'/Summary for the TinderBox
@@ -310,16 +310,16 @@ def tinder_do_tinder_report(event):
    elif name == "TaskFailed":
        log += "<--- TINDERBOX Task %s failed (FAILURE)\n" % event.task
    elif name == "PkgStarted":
-        log += "---> TINDERBOX Package %s started\n" % event.data.getVar('PF', True)
+        log += "---> TINDERBOX Package %s started\n" % event.data.getVar('PF')
    elif name == "PkgSucceeded":
-        log += "<--- TINDERBOX Package %s done (SUCCESS)\n" % event.data.getVar('PF', True)
+        log += "<--- TINDERBOX Package %s done (SUCCESS)\n" % event.data.getVar('PF')
    elif name == "PkgFailed":
-        if not event.data.getVar('TINDER_AUTOBUILD', True) == "0":
+        if not event.data.getVar('TINDER_AUTOBUILD') == "0":
            build.exec_task('do_clean', event.data)
-        log += "<--- TINDERBOX Package %s failed (FAILURE)\n" % event.data.getVar('PF', True)
+        log += "<--- TINDERBOX Package %s failed (FAILURE)\n" % event.data.getVar('PF')
        status = 200
        # remember the failure for the -k case
-        h = open(event.data.getVar('TMPDIR', True)+"/tinder-status", 'w')
+        h = open(event.data.getVar('TMPDIR')+"/tinder-status", 'w')
        h.write("200")
    elif name == "BuildCompleted":
        log += "Build Completed\n"
@@ -342,7 +342,7 @@ def tinder_do_tinder_report(event):
        log += "Error:Was Runtime: %d\n" % event.isRuntime()
        status = 200
        # remember the failure for the -k case
-        h = open(event.data.getVar('TMPDIR', True)+"/tinder-status", 'w')
+        h = open(event.data.getVar('TMPDIR')+"/tinder-status", 'w')
        h.write("200")
    # now post the log
@@ -360,7 +360,7 @@ python tinderclient_eventhandler() {
    if e.data is None or bb.event.getName(e) == "MsgNote":
        return
-    do_tinder_report = e.data.getVar('TINDER_REPORT', True)
+    do_tinder_report = e.data.getVar('TINDER_REPORT')
    if do_tinder_report and do_tinder_report == "1":
        tinder_do_tinder_report(e)
diff --git a/meta/classes/toaster.bbclass b/meta/classes/toaster.bbclass
index 4bddf34e9c..4ea20567a3 100644
--- a/meta/classes/toaster.bbclass
+++ b/meta/classes/toaster.bbclass
@@ -80,7 +80,7 @@ python toaster_layerinfo_dumpdata() {
        return layer_info
-    bblayers = e.data.getVar("BBLAYERS", True)
+    bblayers = e.data.getVar("BBLAYERS")
    llayerinfo = {}
@@ -119,10 +119,10 @@ python toaster_package_dumpdata() {
    """
    # No need to try and dumpdata if the recipe isn't generating packages
-    if not d.getVar('PACKAGES', True):
+    if not d.getVar('PACKAGES'):
        return
-    pkgdatadir = d.getVar('PKGDESTWORK', True)
+    pkgdatadir = d.getVar('PKGDESTWORK')
    lpkgdata = {}
    datadir = os.path.join(pkgdatadir, 'runtime')
@@ -142,7 +142,7 @@ python toaster_artifact_dumpdata() {
    """
    event_data = {
-      "TOOLCHAIN_OUTPUTNAME": d.getVar("TOOLCHAIN_OUTPUTNAME", True)
+      "TOOLCHAIN_OUTPUTNAME": d.getVar("TOOLCHAIN_OUTPUTNAME")
    }
    bb.event.fire(bb.event.MetadataEvent("SDKArtifactInfo", event_data), d)
@@ -157,9 +157,9 @@ python toaster_collect_task_stats() {
    import bb.utils
    import os
-    toaster_statlist_file = os.path.join(e.data.getVar('BUILDSTATS_BASE', True), "toasterstatlist")
+    toaster_statlist_file = os.path.join(e.data.getVar('BUILDSTATS_BASE'), "toasterstatlist")
-    if not e.data.getVar('BUILDSTATS_BASE', True):
+    if not e.data.getVar('BUILDSTATS_BASE'):
        return  # if we don't have buildstats, we cannot collect stats
    def stat_to_float(value):
@@ -246,7 +246,7 @@ python toaster_buildhistory_dump() {
    import re
    BUILDHISTORY_DIR = e.data.expand("${TOPDIR}/buildhistory")
    BUILDHISTORY_DIR_IMAGE_BASE = e.data.expand("%s/images/${MACHINE_ARCH}/${TCLIBC}/"% BUILDHISTORY_DIR)
-    pkgdata_dir = e.data.getVar("PKGDATA_DIR", True)
+    pkgdata_dir = e.data.getVar("PKGDATA_DIR")
    # scan the build targets for this build
diff --git a/meta/classes/toolchain-scripts.bbclass b/meta/classes/toolchain-scripts.bbclass
index 0e11f2d7a0..44b4e24255 100644
--- a/meta/classes/toolchain-scripts.bbclass
+++ b/meta/classes/toolchain-scripts.bbclass
@@ -139,9 +139,9 @@ toolchain_create_sdk_siteconfig[vardepsexclude] = "TOOLCHAIN_CONFIGSITE_SYSROOTC
 python __anonymous () {
    import oe.classextend
    deps = ""
-    for dep in (d.getVar('TOOLCHAIN_NEED_CONFIGSITE_CACHE', True) or "").split():
+    for dep in (d.getVar('TOOLCHAIN_NEED_CONFIGSITE_CACHE') or "").split():
        deps += " %s:do_populate_sysroot" % dep
-        for variant in (d.getVar('MULTILIB_VARIANTS', True) or "").split():
+        for variant in (d.getVar('MULTILIB_VARIANTS') or "").split():
            clsextend = oe.classextend.ClassExtender(variant, d)
            newdep = clsextend.extend_name(dep)
            deps += " %s:do_populate_sysroot" % newdep
diff --git a/meta/classes/uboot-config.bbclass b/meta/classes/uboot-config.bbclass
index 3f760f2fbe..10013b7d49 100644
--- a/meta/classes/uboot-config.bbclass
+++ b/meta/classes/uboot-config.bbclass
@@ -14,19 +14,19 @@
 UBOOT_BINARY ?= "u-boot.${UBOOT_SUFFIX}"
 python () {
-    ubootmachine = d.getVar("UBOOT_MACHINE", True)
+    ubootmachine = d.getVar("UBOOT_MACHINE")
    ubootconfigflags = d.getVarFlags('UBOOT_CONFIG')
-    ubootbinary = d.getVar('UBOOT_BINARY', True)
+    ubootbinary = d.getVar('UBOOT_BINARY')
-    ubootbinaries = d.getVar('UBOOT_BINARIES', True)
+    ubootbinaries = d.getVar('UBOOT_BINARIES')
    # The "doc" varflag is special, we don't want to see it here
    ubootconfigflags.pop('doc', None)
    if not ubootmachine and not ubootconfigflags:
-        PN = d.getVar("PN", True)
+        PN = d.getVar("PN")
-        FILE = os.path.basename(d.getVar("FILE", True))
+        FILE = os.path.basename(d.getVar("FILE"))
        bb.debug(1, "To build %s, see %s for instructions on \
                 setting up your machine config" % (PN, FILE))
-        raise bb.parse.SkipPackage("Either UBOOT_MACHINE or UBOOT_CONFIG must be set in the %s machine configuration." % d.getVar("MACHINE", True))
+        raise bb.parse.SkipPackage("Either UBOOT_MACHINE or UBOOT_CONFIG must be set in the %s machine configuration." % d.getVar("MACHINE"))
    if ubootmachine and ubootconfigflags:
        raise bb.parse.SkipPackage("You cannot use UBOOT_MACHINE and UBOOT_CONFIG at the same time.")
@@ -37,7 +37,7 @@ python () {
    if not ubootconfigflags:
        return
-    ubootconfig = (d.getVar('UBOOT_CONFIG', True) or "").split()
+    ubootconfig = (d.getVar('UBOOT_CONFIG') or "").split()
    if len(ubootconfig) > 0:
        for config in ubootconfig:
            for f, v in ubootconfigflags.items():
diff --git a/meta/classes/uboot-extlinux-config.bbclass b/meta/classes/uboot-extlinux-config.bbclass
index df91386c00..ec5fffb7bb 100644
--- a/meta/classes/uboot-extlinux-config.bbclass
+++ b/meta/classes/uboot-extlinux-config.bbclass
@@ -58,20 +58,20 @@ UBOOT_EXTLINUX_MENU_DESCRIPTION_linux ??= "${DISTRO_NAME}"
 UBOOT_EXTLINUX_CONFIG = "${B}/extlinux.conf"
 python create_extlinux_config() {
-    if d.getVar("UBOOT_EXTLINUX", True) != "1":
+    if d.getVar("UBOOT_EXTLINUX") != "1":
      return
-    if not d.getVar('WORKDIR', True):
+    if not d.getVar('WORKDIR'):
        bb.error("WORKDIR not defined, unable to package")
-    labels = d.getVar('UBOOT_EXTLINUX_LABELS', True)
+    labels = d.getVar('UBOOT_EXTLINUX_LABELS')
    if not labels:
        bb.fatal("UBOOT_EXTLINUX_LABELS not defined, nothing to do")
    if not labels.strip():
        bb.fatal("No labels, nothing to do")
-    cfile = d.getVar('UBOOT_EXTLINUX_CONFIG', True)
+    cfile = d.getVar('UBOOT_EXTLINUX_CONFIG')
    if not cfile:
        bb.fatal('Unable to read UBOOT_EXTLINUX_CONFIG')
@@ -85,34 +85,34 @@ python create_extlinux_config() {
            for label in labels.split():
                localdata = bb.data.createCopy(d)
-                overrides = localdata.getVar('OVERRIDES', True)
+                overrides = localdata.getVar('OVERRIDES')
                if not overrides:
                    bb.fatal('OVERRIDES not defined')
                localdata.setVar('OVERRIDES', label + ':' + overrides)
                bb.data.update_data(localdata)
-                extlinux_console = localdata.getVar('UBOOT_EXTLINUX_CONSOLE', True)
+                extlinux_console = localdata.getVar('UBOOT_EXTLINUX_CONSOLE')
-                menu_description = localdata.getVar('UBOOT_EXTLINUX_MENU_DESCRIPTION', True)
+                menu_description = localdata.getVar('UBOOT_EXTLINUX_MENU_DESCRIPTION')
                if not menu_description:
                    menu_description = label
-                root = localdata.getVar('UBOOT_EXTLINUX_ROOT', True)
+                root = localdata.getVar('UBOOT_EXTLINUX_ROOT')
                if not root:
                    bb.fatal('UBOOT_EXTLINUX_ROOT not defined')
-                kernel_image = localdata.getVar('UBOOT_EXTLINUX_KERNEL_IMAGE', True)
+                kernel_image = localdata.getVar('UBOOT_EXTLINUX_KERNEL_IMAGE')
-                fdtdir = localdata.getVar('UBOOT_EXTLINUX_FDTDIR', True)
+                fdtdir = localdata.getVar('UBOOT_EXTLINUX_FDTDIR')
                if fdtdir:
                    cfgfile.write('LABEL %s\n\tKERNEL %s\n\tFDTDIR %s\n' %
                                 (menu_description, kernel_image, fdtdir))
                else:
                    cfgfile.write('LABEL %s\n\tKERNEL %s\n' % (menu_description, kernel_image))
-                kernel_args = localdata.getVar('UBOOT_EXTLINUX_KERNEL_ARGS', True)
+                kernel_args = localdata.getVar('UBOOT_EXTLINUX_KERNEL_ARGS')
-                initrd = localdata.getVar('UBOOT_EXTLINUX_INITRD', True)
+                initrd = localdata.getVar('UBOOT_EXTLINUX_INITRD')
                if initrd:
                    cfgfile.write('\tINITRD %s\n'% initrd)
diff --git a/meta/classes/uboot-sign.bbclass b/meta/classes/uboot-sign.bbclass
index cef26b19be..65a8c49935 100644
--- a/meta/classes/uboot-sign.bbclass
+++ b/meta/classes/uboot-sign.bbclass
@@ -80,9 +80,9 @@ do_concat_dtb () {
 }
 python () {
-        uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot', True) or 'u-boot'
+        uboot_pn = d.getVar('PREFERRED_PROVIDER_u-boot') or 'u-boot'
-        if d.getVar('UBOOT_SIGN_ENABLE', True) == '1' and d.getVar('PN', True) == uboot_pn:
+        if d.getVar('UBOOT_SIGN_ENABLE') == '1' and d.getVar('PN') == uboot_pn:
-                kernel_pn = d.getVar('PREFERRED_PROVIDER_virtual/kernel', True)
+                kernel_pn = d.getVar('PREFERRED_PROVIDER_virtual/kernel')
                # u-boot.dtb and u-boot-nodtb.bin are deployed _before_ do_deploy
                # Thus, do_deploy_setscene will also populate them in DEPLOY_IMAGE_DIR
diff --git a/meta/classes/uninative.bbclass b/meta/classes/uninative.bbclass
index 11cbf9be80..177af73247 100644
--- a/meta/classes/uninative.bbclass
+++ b/meta/classes/uninative.bbclass
@@ -19,11 +19,11 @@ python uninative_event_fetchloader() {
    loader isn't already present.
    """
-    chksum = d.getVarFlag("UNINATIVE_CHECKSUM", d.getVar("BUILD_ARCH", True), True)
+    chksum = d.getVarFlag("UNINATIVE_CHECKSUM", d.getVar("BUILD_ARCH"), True)
    if not chksum:
-        bb.fatal("Uninative selected but not configured correctly, please set UNINATIVE_CHECKSUM[%s]" % d.getVar("BUILD_ARCH", True))
+        bb.fatal("Uninative selected but not configured correctly, please set UNINATIVE_CHECKSUM[%s]" % d.getVar("BUILD_ARCH"))
-    loader = d.getVar("UNINATIVE_LOADER", True)
+    loader = d.getVar("UNINATIVE_LOADER")
    loaderchksum = loader + ".chksum"
    if os.path.exists(loader) and os.path.exists(loaderchksum):
        with open(loaderchksum, "r") as f:
@@ -36,13 +36,13 @@ python uninative_event_fetchloader() {
        # Save and restore cwd as Fetch.download() does a chdir()
        olddir = os.getcwd()
-        tarball = d.getVar("UNINATIVE_TARBALL", True)
+        tarball = d.getVar("UNINATIVE_TARBALL")
-        tarballdir = os.path.join(d.getVar("UNINATIVE_DLDIR", True), chksum)
+        tarballdir = os.path.join(d.getVar("UNINATIVE_DLDIR"), chksum)
        tarballpath = os.path.join(tarballdir, tarball)
        if not os.path.exists(tarballpath):
            bb.utils.mkdirhier(tarballdir)
-            if d.getVar("UNINATIVE_URL", True) == "unset":
+            if d.getVar("UNINATIVE_URL") == "unset":
                bb.fatal("Uninative selected but not configured, please set UNINATIVE_URL")
            localdata = bb.data.createCopy(d)
@@ -85,7 +85,7 @@ python uninative_event_enable() {
 }
 def enable_uninative(d):
-    loader = d.getVar("UNINATIVE_LOADER", True)
+    loader = d.getVar("UNINATIVE_LOADER")
    if os.path.exists(loader):
        bb.debug(2, "Enabling uninative")
        d.setVar("NATIVELSBSTRING", "universal%s" % oe.utils.host_gcc_version(d))
@@ -100,7 +100,7 @@ python uninative_changeinterp () {
    if not (bb.data.inherits_class('native', d) or bb.data.inherits_class('crosssdk', d) or bb.data.inherits_class('cross', d)):
        return
-    sstateinst = d.getVar('SSTATE_INSTDIR', True)
+    sstateinst = d.getVar('SSTATE_INSTDIR')
    for walkroot, dirs, files in os.walk(sstateinst):
        for file in files:
            if file.endswith(".so") or ".so." in file:
@@ -121,7 +121,7 @@ python uninative_changeinterp () {
            try:
                subprocess.check_output(("patchelf-uninative", "--set-interpreter",
-                                         d.getVar("UNINATIVE_LOADER", True), f),
+                                         d.getVar("UNINATIVE_LOADER"), f),
                                        stderr=subprocess.STDOUT)
            except subprocess.CalledProcessError as e:
                bb.fatal("'%s' failed with exit code %d and the following output:\n%s" %
diff --git a/meta/classes/update-alternatives.bbclass b/meta/classes/update-alternatives.bbclass
index 1fdd681315..65da9dadbe 100644
--- a/meta/classes/update-alternatives.bbclass
+++ b/meta/classes/update-alternatives.bbclass
@@ -66,8 +66,8 @@ ALTERNATIVE_PRIORITY = "10"
 UPDALTVARS  = "ALTERNATIVE ALTERNATIVE_LINK_NAME ALTERNATIVE_TARGET ALTERNATIVE_PRIORITY"
 def gen_updatealternativesvardeps(d):
-    pkgs = (d.getVar("PACKAGES", True) or "").split()
+    pkgs = (d.getVar("PACKAGES") or "").split()
-    vars = (d.getVar("UPDALTVARS", True) or "").split()
+    vars = (d.getVar("UPDALTVARS") or "").split()
    # First compute them for non_pkg versions
    for v in vars:
@@ -84,7 +84,7 @@ def gen_updatealternativesvardeps(d):
                d.appendVar('%s_VARDEPS_%s' % (v,p), ' %s:%s' % (flag, d.getVarFlag('%s_%s' % (v,p), flag, False)))
 def ua_extend_depends(d):
-    if not 'virtual/update-alternatives' in d.getVar('PROVIDES', True):
+    if not 'virtual/update-alternatives' in d.getVar('PROVIDES'):
        d.appendVar('DEPENDS', ' virtual/${MLPREFIX}update-alternatives')
 python __anonymous() {
@@ -103,8 +103,8 @@ python __anonymous() {
 def gen_updatealternativesvars(d):
    ret = []
-    pkgs = (d.getVar("PACKAGES", True) or "").split()
+    pkgs = (d.getVar("PACKAGES") or "").split()
-    vars = (d.getVar("UPDALTVARS", True) or "").split()
+    vars = (d.getVar("UPDALTVARS") or "").split()
    for v in vars:
        ret.append(v + "_VARDEPS")
@@ -123,23 +123,23 @@ populate_packages[vardeps] += "${UPDALTVARS} ${@gen_updatealternativesvars(d)}"
 # place.
 python perform_packagecopy_append () {
    # Check for deprecated usage...
-    pn = d.getVar('BPN', True)
+    pn = d.getVar('BPN')
-    if d.getVar('ALTERNATIVE_LINKS', True) != None:
+    if d.getVar('ALTERNATIVE_LINKS') != None:
        bb.fatal('%s: Use of ALTERNATIVE_LINKS/ALTERNATIVE_PATH/ALTERNATIVE_NAME is no longer supported, please convert to the updated syntax, see update-alternatives.bbclass for more info.' % pn)
    # Do actual update alternatives processing
-    pkgdest = d.getVar('PKGD', True)
+    pkgdest = d.getVar('PKGD')
-    for pkg in (d.getVar('PACKAGES', True) or "").split():
+    for pkg in (d.getVar('PACKAGES') or "").split():
        # If the src == dest, we know we need to rename the dest by appending ${BPN}
        link_rename = {}
-        for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg, True) or "").split():
+        for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg) or "").split():
            alt_link     = d.getVarFlag('ALTERNATIVE_LINK_NAME', alt_name, True)
            if not alt_link:
-                alt_link = "%s/%s" % (d.getVar('bindir', True), alt_name)
+                alt_link = "%s/%s" % (d.getVar('bindir'), alt_name)
                d.setVarFlag('ALTERNATIVE_LINK_NAME', alt_name, alt_link)
            alt_target   = d.getVarFlag('ALTERNATIVE_TARGET_%s' % pkg, alt_name, True) or d.getVarFlag('ALTERNATIVE_TARGET', alt_name, True)
-            alt_target   = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg, True) or d.getVar('ALTERNATIVE_TARGET', True) or alt_link
+            alt_target   = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg) or d.getVar('ALTERNATIVE_TARGET') or alt_link
            # Sometimes alt_target is specified as relative to the link name.
            alt_target   = os.path.join(os.path.dirname(alt_link), alt_target)
@@ -189,23 +189,23 @@ python perform_packagecopy_append () {
 PACKAGESPLITFUNCS_prepend = "populate_packages_updatealternatives "
 python populate_packages_updatealternatives () {
-    pn = d.getVar('BPN', True)
+    pn = d.getVar('BPN')
    # Do actual update alternatives processing
-    pkgdest = d.getVar('PKGD', True)
+    pkgdest = d.getVar('PKGD')
-    for pkg in (d.getVar('PACKAGES', True) or "").split():
+    for pkg in (d.getVar('PACKAGES') or "").split():
        # Create post install/removal scripts
        alt_setup_links = ""
        alt_remove_links = ""
-        for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg, True) or "").split():
+        for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg) or "").split():
            alt_link     = d.getVarFlag('ALTERNATIVE_LINK_NAME', alt_name, True)
            alt_target   = d.getVarFlag('ALTERNATIVE_TARGET_%s' % pkg, alt_name, True) or d.getVarFlag('ALTERNATIVE_TARGET', alt_name, True)
-            alt_target   = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg, True) or d.getVar('ALTERNATIVE_TARGET', True) or alt_link
+            alt_target   = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg) or d.getVar('ALTERNATIVE_TARGET') or alt_link
            # Sometimes alt_target is specified as relative to the link name.
            alt_target   = os.path.join(os.path.dirname(alt_link), alt_target)
            alt_priority = d.getVarFlag('ALTERNATIVE_PRIORITY_%s' % pkg,  alt_name, True) or d.getVarFlag('ALTERNATIVE_PRIORITY',  alt_name, True)
-            alt_priority = alt_priority or d.getVar('ALTERNATIVE_PRIORITY_%s' % pkg, True) or d.getVar('ALTERNATIVE_PRIORITY', True)
+            alt_priority = alt_priority or d.getVar('ALTERNATIVE_PRIORITY_%s' % pkg) or d.getVar('ALTERNATIVE_PRIORITY')
            # This shouldn't trigger, as it should have been resolved earlier!
            if alt_link == alt_target:
@@ -224,32 +224,32 @@ python populate_packages_updatealternatives () {
        if alt_setup_links:
            # RDEPENDS setup
-            provider = d.getVar('VIRTUAL-RUNTIME_update-alternatives', True)
+            provider = d.getVar('VIRTUAL-RUNTIME_update-alternatives')
            if provider:
                #bb.note('adding runtime requirement for update-alternatives for %s' % pkg)
                d.appendVar('RDEPENDS_%s' % pkg, ' ' + d.getVar('MLPREFIX', False) + provider)
            bb.note('adding update-alternatives calls to postinst/prerm for %s' % pkg)
            bb.note('%s' % alt_setup_links)
-            postinst = d.getVar('pkg_postinst_%s' % pkg, True) or '#!/bin/sh\n'
+            postinst = d.getVar('pkg_postinst_%s' % pkg) or '#!/bin/sh\n'
            postinst += alt_setup_links
            d.setVar('pkg_postinst_%s' % pkg, postinst)
            bb.note('%s' % alt_remove_links)
-            prerm = d.getVar('pkg_prerm_%s' % pkg, True) or '#!/bin/sh\n'
+            prerm = d.getVar('pkg_prerm_%s' % pkg) or '#!/bin/sh\n'
            prerm += alt_remove_links
            d.setVar('pkg_prerm_%s' % pkg, prerm)
 }
 python package_do_filedeps_append () {
-    pn = d.getVar('BPN', True)
+    pn = d.getVar('BPN')
-    pkgdest = d.getVar('PKGDEST', True)
+    pkgdest = d.getVar('PKGDEST')
    for pkg in packages.split():
-        for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg, True) or "").split():
+        for alt_name in (d.getVar('ALTERNATIVE_%s' % pkg) or "").split():
            alt_link     = d.getVarFlag('ALTERNATIVE_LINK_NAME', alt_name, True)
            alt_target   = d.getVarFlag('ALTERNATIVE_TARGET_%s' % pkg, alt_name, True) or d.getVarFlag('ALTERNATIVE_TARGET', alt_name, True)
-            alt_target   = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg, True) or d.getVar('ALTERNATIVE_TARGET', True) or alt_link
+            alt_target   = alt_target or d.getVar('ALTERNATIVE_TARGET_%s' % pkg) or d.getVar('ALTERNATIVE_TARGET') or alt_link
            if alt_link == alt_target:
                bb.warn('%s: alt_link == alt_target: %s == %s' % (pn, alt_link, alt_target))
@@ -261,7 +261,7 @@ python package_do_filedeps_append () {
            # Add file provide
            trans_target = oe.package.file_translate(alt_target)
            d.appendVar('FILERPROVIDES_%s_%s' % (trans_target, pkg), " " + alt_link)
-            if not trans_target in (d.getVar('FILERPROVIDESFLIST_%s' % pkg, True) or ""):
+            if not trans_target in (d.getVar('FILERPROVIDESFLIST_%s' % pkg) or ""):
                d.appendVar('FILERPROVIDESFLIST_%s' % pkg, " " + trans_target)
 }
diff --git a/meta/classes/update-rc.d.bbclass b/meta/classes/update-rc.d.bbclass
index 2c3ef9edd1..2746c360fe 100644
--- a/meta/classes/update-rc.d.bbclass
+++ b/meta/classes/update-rc.d.bbclass
@@ -89,52 +89,52 @@ python populate_packages_updatercd () {
            return
        statement = "grep -q -w '/etc/init.d/functions' %s" % path
        if subprocess.call(statement, shell=True) == 0:
-            mlprefix = d.getVar('MLPREFIX', True) or ""
+            mlprefix = d.getVar('MLPREFIX') or ""
            d.appendVar('RDEPENDS_' + pkg, ' %sinitscripts-functions' % (mlprefix))
    def update_rcd_package(pkg):
        bb.debug(1, 'adding update-rc.d calls to preinst/postinst/prerm/postrm for %s' % pkg)
        localdata = bb.data.createCopy(d)
-        overrides = localdata.getVar("OVERRIDES", True)
+        overrides = localdata.getVar("OVERRIDES")
        localdata.setVar("OVERRIDES", "%s:%s" % (pkg, overrides))
        bb.data.update_data(localdata)
        update_rcd_auto_depend(pkg)
-        preinst = d.getVar('pkg_preinst_%s' % pkg, True)
+        preinst = d.getVar('pkg_preinst_%s' % pkg)
        if not preinst:
            preinst = '#!/bin/sh\n'
-        preinst += localdata.getVar('updatercd_preinst', True)
+        preinst += localdata.getVar('updatercd_preinst')
        d.setVar('pkg_preinst_%s' % pkg, preinst)
-        postinst = d.getVar('pkg_postinst_%s' % pkg, True)
+        postinst = d.getVar('pkg_postinst_%s' % pkg)
        if not postinst:
            postinst = '#!/bin/sh\n'
-        postinst += localdata.getVar('updatercd_postinst', True)
+        postinst += localdata.getVar('updatercd_postinst')
        d.setVar('pkg_postinst_%s' % pkg, postinst)
-        prerm = d.getVar('pkg_prerm_%s' % pkg, True)
+        prerm = d.getVar('pkg_prerm_%s' % pkg)
        if not prerm:
            prerm = '#!/bin/sh\n'
-        prerm += localdata.getVar('updatercd_prerm', True)
+        prerm += localdata.getVar('updatercd_prerm')
        d.setVar('pkg_prerm_%s' % pkg, prerm)
-        postrm = d.getVar('pkg_postrm_%s' % pkg, True)
+        postrm = d.getVar('pkg_postrm_%s' % pkg)
        if not postrm:
                postrm = '#!/bin/sh\n'
-        postrm += localdata.getVar('updatercd_postrm', True)
+        postrm += localdata.getVar('updatercd_postrm')
        d.setVar('pkg_postrm_%s' % pkg, postrm)
        d.appendVar('RRECOMMENDS_' + pkg, " ${MLPREFIX}${UPDATERCD}")
    # Check that this class isn't being inhibited (generally, by
    # systemd.bbclass) before doing any work.
-    if not d.getVar("INHIBIT_UPDATERCD_BBCLASS", True):
+    if not d.getVar("INHIBIT_UPDATERCD_BBCLASS"):
-        pkgs = d.getVar('INITSCRIPT_PACKAGES', True)
+        pkgs = d.getVar('INITSCRIPT_PACKAGES')
        if pkgs == None:
-            pkgs = d.getVar('UPDATERCPN', True)
+            pkgs = d.getVar('UPDATERCPN')
-            packages = (d.getVar('PACKAGES', True) or "").split()
+            packages = (d.getVar('PACKAGES') or "").split()
            if not pkgs in packages and packages != []:
                pkgs = packages[0]
        for pkg in pkgs.split():
diff --git a/meta/classes/useradd-staticids.bbclass b/meta/classes/useradd-staticids.bbclass
index 4162774e9c..94bcbaa3d7 100644
--- a/meta/classes/useradd-staticids.bbclass
+++ b/meta/classes/useradd-staticids.bbclass
@@ -8,11 +8,11 @@ def update_useradd_static_config(d):
    class myArgumentParser( argparse.ArgumentParser ):
        def _print_message(self, message, file=None):
-            bb.warn("%s - %s: %s" % (d.getVar('PN', True), pkg, message))
+            bb.warn("%s - %s: %s" % (d.getVar('PN'), pkg, message))
        # This should never be called...
        def exit(self, status=0, message=None):
-            message = message or ("%s - %s: useradd.bbclass: Argument parsing exited" % (d.getVar('PN', True), pkg))
+            message = message or ("%s - %s: useradd.bbclass: Argument parsing exited" % (d.getVar('PN'), pkg))
            error(message)
        def error(self, message):
@@ -52,10 +52,10 @@ def update_useradd_static_config(d):
    def handle_missing_id(id, type, pkg):
        # For backwards compatibility we accept "1" in addition to "error"
-        if d.getVar('USERADD_ERROR_DYNAMIC', True) == 'error' or d.getVar('USERADD_ERROR_DYNAMIC', True) == '1':
+        if d.getVar('USERADD_ERROR_DYNAMIC') == 'error' or d.getVar('USERADD_ERROR_DYNAMIC') == '1':
-            raise NotImplementedError("%s - %s: %sname %s does not have a static ID defined. Skipping it." % (d.getVar('PN', True), pkg, type, id))
+            raise NotImplementedError("%s - %s: %sname %s does not have a static ID defined. Skipping it." % (d.getVar('PN'), pkg, type, id))
-        elif d.getVar('USERADD_ERROR_DYNAMIC', True) == 'warn':
+        elif d.getVar('USERADD_ERROR_DYNAMIC') == 'warn':
-            bb.warn("%s - %s: %sname %s does not have a static ID defined." % (d.getVar('PN', True), pkg, type, id))
+            bb.warn("%s - %s: %sname %s does not have a static ID defined." % (d.getVar('PN'), pkg, type, id))
    # We parse and rewrite the useradd components
    def rewrite_useradd(params):
@@ -89,8 +89,8 @@ def update_useradd_static_config(d):
        # paths are resolved via BBPATH
        def get_passwd_list(d):
            str = ""
-            bbpath = d.getVar('BBPATH', True)
+            bbpath = d.getVar('BBPATH')
-            passwd_tables = d.getVar('USERADD_UID_TABLES', True)
+            passwd_tables = d.getVar('USERADD_UID_TABLES')
            if not passwd_tables:
                passwd_tables = 'files/passwd'
            for conf_file in passwd_tables.split():
@@ -106,7 +106,7 @@ def update_useradd_static_config(d):
            try:
                uaargs = parser.parse_args(re.split('''[ \t]+(?=(?:[^'"]|'[^']*'|"[^"]*")*$)''', param))
            except:
-                bb.fatal("%s: Unable to parse arguments for USERADD_PARAM_%s: '%s'" % (d.getVar('PN', True), pkg, param))
+                bb.fatal("%s: Unable to parse arguments for USERADD_PARAM_%s: '%s'" % (d.getVar('PN'), pkg, param))
            # Read all passwd files specified in USERADD_UID_TABLES or files/passwd
            # Use the standard passwd layout:
@@ -130,7 +130,7 @@ def update_useradd_static_config(d):
            field = users[uaargs.LOGIN]
            if uaargs.uid and field[2] and (uaargs.uid != field[2]):
-                bb.warn("%s: Changing username %s's uid from (%s) to (%s), verify configuration files!" % (d.getVar('PN', True), uaargs.LOGIN, uaargs.uid, field[2]))
+                bb.warn("%s: Changing username %s's uid from (%s) to (%s), verify configuration files!" % (d.getVar('PN'), uaargs.LOGIN, uaargs.uid, field[2]))
            uaargs.uid = field[2] or uaargs.uid
            # Determine the possible groupname
@@ -158,12 +158,12 @@ def update_useradd_static_config(d):
                    # We want to add a group, but we don't know it's name... so we can't add the group...
                    # We have to assume the group has previously been added or we'll fail on the adduser...
                    # Note: specifying the actual gid is very rare in OE, usually the group name is specified.
-                    bb.warn("%s: Changing gid for login %s to %s, verify configuration files!" % (d.getVar('PN', True), uaargs.LOGIN, uaargs.groupid))
+                    bb.warn("%s: Changing gid for login %s to %s, verify configuration files!" % (d.getVar('PN'), uaargs.LOGIN, uaargs.groupid))
                uaargs.gid = uaargs.groupid
                uaargs.user_group = None
                if newgroup:
-                    groupadd = d.getVar("GROUPADD_PARAM_%s" % pkg, True)
+                    groupadd = d.getVar("GROUPADD_PARAM_%s" % pkg)
                    if groupadd:
                        d.setVar("GROUPADD_PARAM_%s" % pkg, "%s; %s" % (groupadd, newgroup))
                    else:
@@ -223,8 +223,8 @@ def update_useradd_static_config(d):
        # paths are resolved via BBPATH
        def get_group_list(d):
            str = ""
-            bbpath = d.getVar('BBPATH', True)
+            bbpath = d.getVar('BBPATH')
-            group_tables = d.getVar('USERADD_GID_TABLES', True)
+            group_tables = d.getVar('USERADD_GID_TABLES')
            if not group_tables:
                group_tables = 'files/group'
            for conf_file in group_tables.split():
@@ -241,7 +241,7 @@ def update_useradd_static_config(d):
                # If we're processing multiple lines, we could have left over values here...
                gaargs = parser.parse_args(re.split('''[ \t]+(?=(?:[^'"]|'[^']*'|"[^"]*")*$)''', param))
            except:
-                bb.fatal("%s: Unable to parse arguments for GROUPADD_PARAM_%s: '%s'" % (d.getVar('PN', True), pkg, param))
+                bb.fatal("%s: Unable to parse arguments for GROUPADD_PARAM_%s: '%s'" % (d.getVar('PN'), pkg, param))
            # Read all group files specified in USERADD_GID_TABLES or files/group
            # Use the standard group layout:
@@ -264,7 +264,7 @@ def update_useradd_static_config(d):
            if field[2]:
                if gaargs.gid and (gaargs.gid != field[2]):
-                    bb.warn("%s: Changing groupname %s's gid from (%s) to (%s), verify configuration files!" % (d.getVar('PN', True), gaargs.GROUP, gaargs.gid, field[2]))
+                    bb.warn("%s: Changing groupname %s's gid from (%s) to (%s), verify configuration files!" % (d.getVar('PN'), gaargs.GROUP, gaargs.gid, field[2]))
                gaargs.gid = field[2]
            if not gaargs.gid or not gaargs.gid.isdigit():
@@ -288,32 +288,32 @@ def update_useradd_static_config(d):
    # the files listed in USERADD_UID/GID_TABLES. We need to tell bitbake
    # about that explicitly to trigger re-parsing and thus re-execution of
    # this code when the files change.
-    bbpath = d.getVar('BBPATH', True)
+    bbpath = d.getVar('BBPATH')
    for varname, default in (('USERADD_UID_TABLES', 'files/passwd'),
                             ('USERADD_GID_TABLES', 'files/group')):
-        tables = d.getVar(varname, True)
+        tables = d.getVar(varname)
        if not tables:
            tables = default
        for conf_file in tables.split():
            bb.parse.mark_dependency(d, bb.utils.which(bbpath, conf_file))
    # Load and process the users and groups, rewriting the adduser/addgroup params
-    useradd_packages = d.getVar('USERADD_PACKAGES', True)
+    useradd_packages = d.getVar('USERADD_PACKAGES')
    for pkg in useradd_packages.split():
        # Groupmems doesn't have anything we might want to change, so simply validating
        # is a bit of a waste -- only process useradd/groupadd
-        useradd_param = d.getVar('USERADD_PARAM_%s' % pkg, True)
+        useradd_param = d.getVar('USERADD_PARAM_%s' % pkg)
        if useradd_param:
            #bb.warn("Before: 'USERADD_PARAM_%s' - '%s'" % (pkg, useradd_param))
            d.setVar('USERADD_PARAM_%s' % pkg, rewrite_useradd(useradd_param))
-            #bb.warn("After:  'USERADD_PARAM_%s' - '%s'" % (pkg, d.getVar('USERADD_PARAM_%s' % pkg, True)))
+            #bb.warn("After:  'USERADD_PARAM_%s' - '%s'" % (pkg, d.getVar('USERADD_PARAM_%s' % pkg)))
-        groupadd_param = d.getVar('GROUPADD_PARAM_%s' % pkg, True)
+        groupadd_param = d.getVar('GROUPADD_PARAM_%s' % pkg)
        if groupadd_param:
            #bb.warn("Before: 'GROUPADD_PARAM_%s' - '%s'" % (pkg, groupadd_param))
            d.setVar('GROUPADD_PARAM_%s' % pkg, rewrite_groupadd(groupadd_param))
-            #bb.warn("After:  'GROUPADD_PARAM_%s' - '%s'" % (pkg, d.getVar('GROUPADD_PARAM_%s' % pkg, True)))
+            #bb.warn("After:  'GROUPADD_PARAM_%s' - '%s'" % (pkg, d.getVar('GROUPADD_PARAM_%s' % pkg)))
@@ -323,6 +323,6 @@ python __anonymous() {
        try:
            update_useradd_static_config(d)
        except NotImplementedError as f:
-            bb.debug(1, "Skipping recipe %s: %s" % (d.getVar('PN', True), f))
+            bb.debug(1, "Skipping recipe %s: %s" % (d.getVar('PN'), f))
            raise bb.parse.SkipPackage(f)
 }
diff --git a/meta/classes/useradd.bbclass b/meta/classes/useradd.bbclass
index 3cff08e00d..fd59969986 100644
--- a/meta/classes/useradd.bbclass
+++ b/meta/classes/useradd.bbclass
@@ -168,13 +168,13 @@ USERADDSETSCENEDEPS = ""
 # Recipe parse-time sanity checks
 def update_useradd_after_parse(d):
-    useradd_packages = d.getVar('USERADD_PACKAGES', True)
+    useradd_packages = d.getVar('USERADD_PACKAGES')
    if not useradd_packages:
        bb.fatal("%s inherits useradd but doesn't set USERADD_PACKAGES" % d.getVar('FILE', False))
    for pkg in useradd_packages.split():
-        if not d.getVar('USERADD_PARAM_%s' % pkg, True) and not d.getVar('GROUPADD_PARAM_%s' % pkg, True) and not d.getVar('GROUPMEMS_PARAM_%s' % pkg, True):
+        if not d.getVar('USERADD_PARAM_%s' % pkg) and not d.getVar('GROUPADD_PARAM_%s' % pkg) and not d.getVar('GROUPMEMS_PARAM_%s' % pkg):
            bb.fatal("%s inherits useradd but doesn't set USERADD_PARAM, GROUPADD_PARAM or GROUPMEMS_PARAM for package %s" % (d.getVar('FILE', False), pkg))
 python __anonymous() {
@@ -191,9 +191,9 @@ def get_all_cmd_params(d, cmd_type):
    param_type = cmd_type.upper() + "_PARAM_%s"
    params = []
-    useradd_packages = d.getVar('USERADD_PACKAGES', True) or ""
+    useradd_packages = d.getVar('USERADD_PACKAGES') or ""
    for pkg in useradd_packages.split():
-        param = d.getVar(param_type % pkg, True)
+        param = d.getVar(param_type % pkg)
        if param:
            params.append(param.rstrip(" ;"))
@@ -209,20 +209,20 @@ fakeroot python populate_packages_prepend () {
        required to execute on the target. Not doing so may cause
        useradd preinst to be invoked twice, causing unwanted warnings.
        """
-        preinst = d.getVar('pkg_preinst_%s' % pkg, True) or d.getVar('pkg_preinst', True)
+        preinst = d.getVar('pkg_preinst_%s' % pkg) or d.getVar('pkg_preinst')
        if not preinst:
            preinst = '#!/bin/sh\n'
        preinst += 'bbnote () {\n\techo "NOTE: $*"\n}\n'
        preinst += 'bbwarn () {\n\techo "WARNING: $*"\n}\n'
        preinst += 'bbfatal () {\n\techo "ERROR: $*"\n\texit 1\n}\n'
-        preinst += 'perform_groupadd () {\n%s}\n' % d.getVar('perform_groupadd', True)
+        preinst += 'perform_groupadd () {\n%s}\n' % d.getVar('perform_groupadd')
-        preinst += 'perform_useradd () {\n%s}\n' % d.getVar('perform_useradd', True)
+        preinst += 'perform_useradd () {\n%s}\n' % d.getVar('perform_useradd')
-        preinst += 'perform_groupmems () {\n%s}\n' % d.getVar('perform_groupmems', True)
+        preinst += 'perform_groupmems () {\n%s}\n' % d.getVar('perform_groupmems')
-        preinst += d.getVar('useradd_preinst', True)
+        preinst += d.getVar('useradd_preinst')
        d.setVar('pkg_preinst_%s' % pkg, preinst)
        # RDEPENDS setup
-        rdepends = d.getVar("RDEPENDS_%s" % pkg, True) or ""
+        rdepends = d.getVar("RDEPENDS_%s" % pkg) or ""
        rdepends += ' ' + d.getVar('MLPREFIX', False) + 'base-passwd'
        rdepends += ' ' + d.getVar('MLPREFIX', False) + 'shadow'
        # base-files is where the default /etc/skel is packaged
@@ -233,7 +233,7 @@ fakeroot python populate_packages_prepend () {
    # to packages specified by USERADD_PACKAGES
    if not bb.data.inherits_class('nativesdk', d) \
        and not bb.data.inherits_class('native', d):
-        useradd_packages = d.getVar('USERADD_PACKAGES', True) or ""
+        useradd_packages = d.getVar('USERADD_PACKAGES') or ""
        for pkg in useradd_packages.split():
            update_useradd_package(pkg)
 }
diff --git a/meta/classes/utility-tasks.bbclass b/meta/classes/utility-tasks.bbclass
index 7ba56e28ae..68e8217135 100644
--- a/meta/classes/utility-tasks.bbclass
+++ b/meta/classes/utility-tasks.bbclass
@@ -32,14 +32,14 @@ python do_clean() {
    bb.note("Removing " + dir)
    oe.path.remove(dir)
-    for f in (d.getVar('CLEANFUNCS', True) or '').split():
+    for f in (d.getVar('CLEANFUNCS') or '').split():
        bb.build.exec_func(f, d)
 }
 addtask checkuri
 do_checkuri[nostamp] = "1"
 python do_checkuri() {
-    src_uri = (d.getVar('SRC_URI', True) or "").split()
+    src_uri = (d.getVar('SRC_URI') or "").split()
    if len(src_uri) == 0:
        return
diff --git a/meta/classes/utils.bbclass b/meta/classes/utils.bbclass
index dbb5e4cbbc..640daed4a8 100644
--- a/meta/classes/utils.bbclass
+++ b/meta/classes/utils.bbclass
@@ -41,9 +41,9 @@ def oe_filter_out(f, str, d):
 def machine_paths(d):
    """List any existing machine specific filespath directories"""
-    machine = d.getVar("MACHINE", True)
+    machine = d.getVar("MACHINE")
-    filespathpkg = d.getVar("FILESPATHPKG", True).split(":")
+    filespathpkg = d.getVar("FILESPATHPKG").split(":")
-    for basepath in d.getVar("FILESPATHBASE", True).split(":"):
+    for basepath in d.getVar("FILESPATHBASE").split(":"):
        for pkgpath in filespathpkg:
            machinepath = os.path.join(basepath, pkgpath, machine)
            if os.path.isdir(machinepath):
@@ -52,7 +52,7 @@ def machine_paths(d):
 def is_machine_specific(d):
    """Determine whether the current recipe is machine specific"""
    machinepaths = set(machine_paths(d))
-    srcuri = d.getVar("SRC_URI", True).split()
+    srcuri = d.getVar("SRC_URI").split()
    for url in srcuri:
        fetcher = bb.fetch2.Fetch([srcuri], d)
        if url.startswith("file://"):
@@ -315,14 +315,14 @@ def explode_deps(s):
 def base_set_filespath(path, d):
    filespath = []
-    extrapaths = (d.getVar("FILESEXTRAPATHS", True) or "")
+    extrapaths = (d.getVar("FILESEXTRAPATHS") or "")
    # Remove default flag which was used for checking
    extrapaths = extrapaths.replace("__default:", "")
    # Don't prepend empty strings to the path list
    if extrapaths != "":
        path = extrapaths.split(":") + path
    # The ":" ensures we have an 'empty' override
-    overrides = (":" + (d.getVar("FILESOVERRIDES", True) or "")).split(":")
+    overrides = (":" + (d.getVar("FILESOVERRIDES") or "")).split(":")
    overrides.reverse()
    for o in overrides:
        for p in path:
@@ -333,7 +333,7 @@ def base_set_filespath(path, d):
 def extend_variants(d, var, extend, delim=':'):
    """Return a string of all bb class extend variants for the given extend"""
    variants = []
-    whole = d.getVar(var, True) or ""
+    whole = d.getVar(var) or ""
    for ext in whole.split():
        eext = ext.split(delim)
        if len(eext) > 1 and eext[0] == extend:
@@ -341,7 +341,7 @@ def extend_variants(d, var, extend, delim=':'):
    return " ".join(variants)
 def multilib_pkg_extend(d, pkg):
-    variants = (d.getVar("MULTILIB_VARIANTS", True) or "").split()
+    variants = (d.getVar("MULTILIB_VARIANTS") or "").split()
    if not variants:
        return pkg
    pkgs = pkg
@@ -352,21 +352,21 @@ def multilib_pkg_extend(d, pkg):
 def all_multilib_tune_values(d, var, unique = True, need_split = True, delim = ' '):
    """Return a string of all ${var} in all multilib tune configuration"""
    values = []
-    value = d.getVar(var, True) or ""
+    value = d.getVar(var) or ""
    if value != "":
        if need_split:
            for item in value.split(delim):
                values.append(item)
        else:
            values.append(value)
-    variants = d.getVar("MULTILIB_VARIANTS", True) or ""
+    variants = d.getVar("MULTILIB_VARIANTS") or ""
    for item in variants.split():
        localdata = bb.data.createCopy(d)
        overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + item
        localdata.setVar("OVERRIDES", overrides)
        localdata.setVar("MLPREFIX", item + "-")
        bb.data.update_data(localdata)
-        value = localdata.getVar(var, True) or ""
+        value = localdata.getVar(var) or ""
        if value != "":
            if need_split:
                for item in value.split(delim):
@@ -402,21 +402,21 @@ def all_multilib_tune_list(vars, d):
            newoverrides.append(o)
    localdata.setVar("OVERRIDES", ":".join(newoverrides))
    localdata.setVar("MLPREFIX", "")
-    origdefault = localdata.getVar("DEFAULTTUNE_MULTILIB_ORIGINAL", True)
+    origdefault = localdata.getVar("DEFAULTTUNE_MULTILIB_ORIGINAL")
    if origdefault:
        localdata.setVar("DEFAULTTUNE", origdefault)
    bb.data.update_data(localdata)
    values['ml'] = ['']
    for v in vars:
-        values[v].append(localdata.getVar(v, True))
+        values[v].append(localdata.getVar(v))
-    variants = d.getVar("MULTILIB_VARIANTS", True) or ""
+    variants = d.getVar("MULTILIB_VARIANTS") or ""
    for item in variants.split():
        localdata = bb.data.createCopy(d)
        overrides = localdata.getVar("OVERRIDES", False) + ":virtclass-multilib-" + item
        localdata.setVar("OVERRIDES", overrides)
        localdata.setVar("MLPREFIX", item + "-")
        bb.data.update_data(localdata)
-        values[v].append(localdata.getVar(v, True))
+        values[v].append(localdata.getVar(v))
        values['ml'].append(item)
    return values
diff --git a/meta/classes/waf.bbclass b/meta/classes/waf.bbclass
index 5e55833ca4..95f524012a 100644
--- a/meta/classes/waf.bbclass
+++ b/meta/classes/waf.bbclass
@@ -2,7 +2,7 @@
 DISABLE_STATIC = ""
 def get_waf_parallel_make(d):
-    pm = d.getVar('PARALLEL_MAKE', True)
+    pm = d.getVar('PARALLEL_MAKE')
    if pm:
        # look for '-j' and throw other options (e.g. '-l') away
        # because they might have different meaning in bjam
author	Joshua Lock <joshua.g.lock@intel.com>	2016-12-14 21:13:04 +0000
committer	Richard Purdie <richard.purdie@linuxfoundation.org>	2016-12-16 10:23:23 +0000
commit	c4e2c59088765d1f1de7ec57cde91980f887c2ff (patch)
tree	a2fda8ac5916fb59a711e9220c2177008cca9347 /meta/classes
parent	d5e67725ac11e3296cad104470931ffa16824b90 (diff)
download	poky-c4e2c59088765d1f1de7ec57cde91980f887c2ff.tar.gz