261 files changed, 2306 insertions, 2306 deletions

diff --git a/meta/classes/allarch.bbclass b/meta/classes/allarch.bbclass
index ddc2a85..9dce498 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 3543ca9..5295977 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)
-    assume_provided = (d.getVar("ASSUME_PROVIDED", True) or "").split()
+    pn = d.getVar('PN')
+    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_workdir = d.getVar('ARCHIVER_WORKDIR', True)
+    ar_outdir = d.getVar('ARCHIVER_OUTDIR')
+    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)
-        builddir = d.getVar('B', True)
+        srcdir = d.getVar('S')
+        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_workdir = d.getVar('ARCHIVER_WORKDIR', True)
-    pn = d.getVar('PN', True)
+    ar_outdir = d.getVar('ARCHIVER_OUTDIR')
+    ar_workdir = d.getVar('ARCHIVER_WORKDIR')
+    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)
-    outdir = os.path.join(d.getVar('WORKDIR', True), \
-            '%s-recipe' % d.getVar('PF', True))
+    bbfile = d.getVar('FILE')
+    outdir = os.path.join(d.getVar('WORKDIR'), \
+            '%s-recipe' % d.getVar('PF'))
     bb.utils.mkdirhier(outdir)
     shutil.copy(bbfile, outdir)
 
-    pn = d.getVar('PN', True)
-    bbappend_files = d.getVar('BBINCLUDED', True).split()
+    pn = d.getVar('PN')
+    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), \
-        '%s-showdata.dump' % d.getVar('PF', True))
+    dumpfile = os.path.join(d.getVar('ARCHIVER_OUTDIR'), \
+        '%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 c43ea9a..c43531b 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)
-    aclocaldir = d.getVar("ACLOCALDIR", True)
+    pn = d.getVar("PN")
+    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 19673e6..2765ebf 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 ''
-    tmpdir = d.getVar("TMPDIR", True)
-    s = d.getVar("S", True)
-    b = d.getVar("B", True)
-    workdir = d.getVar("WORKDIR", True)
+    lic_files = d.getVar("LIC_FILES_CHKSUM") or ''
+    tmpdir = d.getVar("TMPDIR")
+    s = d.getVar("S")
+    b = d.getVar("B")
+    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("TUNE_PKGARCH", True) == "armv7a-vfp-neon":
+    if d.getVar("PKGARCHCOMPAT_ARMV7A"):
+        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()
-            multiwhitelist = (d.getVar("MULTI_PROVIDER_WHITELIST", True) or "").split()
+            provs = (d.getVar("PROVIDES") 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())
-    tos.append(d.getVar("TARGET_OS", True))
-    tvs.append(d.getVar("TARGET_VENDOR", True))
+    archs.append(d.getVar("PACKAGE_ARCHS").split())
+    tos.append(d.getVar("TARGET_OS"))
+    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())
-        tos.append(localdata.getVar("TARGET_OS", True))
-        tvs.append(localdata.getVar("TARGET_VENDOR", True))
+        archs.append(localdata.getVar("PACKAGE_ARCHS").split())
+        tos.append(localdata.getVar("TARGET_OS"))
+        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()
-        pn = d.getVar("PN", True)
+        pkgconfig = (d.getVar('PACKAGECONFIG') or "").split()
+        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)
-    license = d.getVar('LICENSE', True)
+    pn = d.getVar('PN')
+    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():
-            pkg_license = d.getVar('LICENSE_' + pkg, True)
+        for pkg in d.getVar('PACKAGES').split():
+            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)
-    pkg_arch = d.getVar('PACKAGE_ARCH', True)
+    mach_arch = d.getVar('MACHINE_ARCH')
+    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(':')
-        machine = d.getVar('MACHINE', True)
+        fpaths = (d.getVar('FILESPATH') or '').split(':')
+        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 8591308..5372294 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 a0141a8..c6f4223 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 3fc8956..6d9a821 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)
-        user    = data.getVar("BUGZILLA_USER", True)
-        passw   = data.getVar("BUGZILLA_PASS", True)
-        product = data.getVar("BUGZILLA_PRODUCT", True)
-        compon  = data.getVar("BUGZILLA_COMPONENT", True)
-        version = data.getVar("BUGZILLA_VERSION", True)
+        xmlrpc  = data.getVar("BUGZILLA_XMLRPC")
+        user    = data.getVar("BUGZILLA_USER")
+        passw   = data.getVar("BUGZILLA_PASS")
+        product = data.getVar("BUGZILLA_PRODUCT")
+        compon  = data.getVar("BUGZILLA_COMPONENT")
+        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),
-                                                           "pv"      : data.getVar("PV", True),
+        bugname = "%(package)s-%(pv)s-autobuild" % { "package" : data.getVar("PN"),
+                                                           "pv"      : data.getVar("PV"),
                                                            }
-        log_file = glob.glob("%s/log.%s.*" % (event.data.getVar('T', True), 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 ) )
+        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"), 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 d82e9bb..73cd886 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)
-    oldpkghistdir = d.getVar('BUILDHISTORY_OLD_DIR_PACKAGE', True)
+    pkghistdir = d.getVar('BUILDHISTORY_DIR_PACKAGE')
+    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)
-    pe = d.getVar('PE', True) or "0"
-    pv = d.getVar('PV', True)
-    pr = d.getVar('PR', True)
+    pn = d.getVar('PN')
+    pe = d.getVar('PE') or "0"
+    pv = d.getVar('PV')
+    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():
-        reset = e.data.getVar("BUILDHISTORY_RESET", True)
-        olddir = e.data.getVar("BUILDHISTORY_OLD_DIR", True)
+    if e.data.getVar('BUILDHISTORY_FEATURES').strip():
+        reset = e.data.getVar("BUILDHISTORY_RESET")
+        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 b86abcc..f9b241b 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 c6b77e6..8703cb2 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)
-    bsdir = os.path.join(d.getVar('BUILDSTATS_BASE', True), bn)
+    bn = d.getVar('BUILDNAME')
+    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)
-    bsdir = os.path.join(d.getVar('BUILDSTATS_BASE', True), bn)
-    taskdir = os.path.join(bsdir, d.getVar('PF', True))
+    bn = d.getVar('BUILDNAME')
+    bsdir = os.path.join(d.getVar('BUILDSTATS_BASE'), bn)
+    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 2e9837c..93fcaca 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 f183b4a..ad3c397 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 fad0baa..9e74599 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=${@os.path.relpath(d.getVar('bindir', True), d.getVar('prefix', True))} \
-          -DCMAKE_INSTALL_SBINDIR:PATH=${@os.path.relpath(d.getVar('sbindir', True), d.getVar('prefix', True))} \
-          -DCMAKE_INSTALL_LIBEXECDIR:PATH=${@os.path.relpath(d.getVar('libexecdir', True), d.getVar('prefix', True))} \
+          -DCMAKE_INSTALL_BINDIR:PATH=${@os.path.relpath(d.getVar('bindir'), d.getVar('prefix'))} \
+          -DCMAKE_INSTALL_SBINDIR:PATH=${@os.path.relpath(d.getVar('sbindir'), d.getVar('prefix'))} \
+          -DCMAKE_INSTALL_LIBEXECDIR:PATH=${@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=${@os.path.relpath(d.getVar('libdir', True), d.getVar('prefix', True))} \
-          -DCMAKE_INSTALL_INCLUDEDIR:PATH=${@os.path.relpath(d.getVar('includedir', True), d.getVar('prefix', True))} \
-          -DCMAKE_INSTALL_DATAROOTDIR:PATH=${@os.path.relpath(d.getVar('datadir', True), d.getVar('prefix', True))} \
+          -DCMAKE_INSTALL_LIBDIR:PATH=${@os.path.relpath(d.getVar('libdir'), d.getVar('prefix'))} \
+          -DCMAKE_INSTALL_INCLUDEDIR:PATH=${@os.path.relpath(d.getVar('includedir'), d.getVar('prefix'))} \
+          -DCMAKE_INSTALL_DATAROOTDIR:PATH=${@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 5834806..187d407 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 8073c17..069db19 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_list = (d.getVar('DOC_COMPRESS_LIST', True) or '').split()
+    compress_mode = d.getVar('DOC_COMPRESS')
+    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)
-    infodir = d.getVar("infodir", True)
-    compress_mode = d.getVar('DOC_COMPRESS', True)
-    for pkg in (d.getVar('PACKAGES', True) or "").split():
-        old_names = (d.getVar('ALTERNATIVE_%s' % pkg, True) or "").split()
+    mandir = d.getVar("mandir")
+    infodir = d.getVar("infodir")
+    compress_mode = d.getVar('DOC_COMPRESS')
+    for pkg in (d.getVar('PACKAGES') 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', True) or \
+                d.getVar('ALTERNATIVE_TARGET_%s' % pkg) 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 907c183..eabf12c 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)
-    dl_dir = d.getVar('DL_DIR', True)
-    src_uri = d.getVar('SRC_URI', True).split()
+    sources_dir = d.getVar('COPYLEFT_SOURCES_DIR')
+    dl_dir = d.getVar('DL_DIR')
+    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 46be7f7..426956f 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 21921b3..64db113 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("STAGING_BINDIR_TOOLCHAIN", d.getVar("STAGING_BINDIR_TOOLCHAIN", True))
+        d.setVar(n, d.getVar(n))
+    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 7315c38..eaf2beb 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 75b8fa9..aad0573 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)
-        link_name = d.getVar("IMAGE_LINK_NAME", True)
-        manifest_name = d.getVar("CVE_CHECK_MANIFEST", True)
-        cve_tmp_file = d.getVar("CVE_CHECK_TMP_FILE", True)
+        deploy_dir = d.getVar("DEPLOY_DIR_IMAGE")
+        link_name = d.getVar("IMAGE_LINK_NAME")
+        manifest_name = d.getVar("CVE_CHECK_MANIFEST")
+        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_whitelist = ast.literal_eval(d.getVar("CVE_CHECK_CVE_WHITELIST", True))
+    cve_db_dir = d.getVar("CVE_CHECK_DB_DIR")
+    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 VERSION: %s\n" % d.getVar("PV", True)
+        write_string += "PACKAGE NAME: %s\n" % d.getVar("PN")
+        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":
-        cve_dir = d.getVar("CVE_CHECK_DIR", True)
+    if d.getVar("CVE_CHECK_COPY_FILES") == "1":
+        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":
-        with open(d.getVar("CVE_CHECK_TMP_FILE", True), "a") as f:
+    if d.getVar("CVE_CHECK_CREATE_MANIFEST") == "1":
+        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 be7cacc..8124558 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)
-    packages = d.getVar('PACKAGES', True)
-    bin_re = re.compile(".*/s?" + os.path.basename(d.getVar("bindir", True)) + "$")
-    lib_re = re.compile(".*/" + os.path.basename(d.getVar("libdir", True)) + "$")
+    pkgdest = d.getVar('PKGDEST')
+    packages = d.getVar('PACKAGES')
+    bin_re = re.compile(".*/s?" + os.path.basename(d.getVar("bindir")) + "$")
+    lib_re = re.compile(".*/" + os.path.basename(d.getVar("libdir")) + "$")
     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 be71aff..864ace4 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 7e91dbc..e74d3c0 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 fbb7402..5b3a3e0 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)
-        pcurver = localdata.getVar('PV', True)
-        pdesc = localdata.getVar('DESCRIPTION', True)
+        pname = localdata.getVar('PN')
+        pcurver = localdata.getVar('PV')
+        pdesc = localdata.getVar('DESCRIPTION')
         if pdesc is not None:
                 pdesc = pdesc.replace(',','')
                 pdesc = pdesc.replace('\n','')
 
-        pgrp = localdata.getVar('SECTION', True)
-        plicense = localdata.getVar('LICENSE', True).replace(',','_')
+        pgrp = localdata.getVar('SECTION')
+        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)
-        rlrd = localdata.getVar('RECIPE_UPSTREAM_DATE', True)
+        maintainer = localdata.getVar('RECIPE_MAINTAINER')
+        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)
-        pcurver = localdata.getVar('PV', True)
-        pdesc = localdata.getVar('DESCRIPTION', True)
+        pname = localdata.getVar('PN')
+        pcurver = localdata.getVar('PV')
+        pdesc = localdata.getVar('DESCRIPTION')
         if pdesc is not None:
                 pdesc = pdesc.replace(',','')
                 pdesc = pdesc.replace('\n','')
 
-        pgrp = localdata.getVar('SECTION', True)
-        plicense = localdata.getVar('LICENSE', True).replace(',','_')
+        pgrp = localdata.getVar('SECTION')
+        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)
-        rlrd = localdata.getVar('RECIPE_UPSTREAM_DATE', True)
+        maintainer = localdata.getVar('RECIPE_MAINTAINER')
+        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)
-        pgrp = localdata.getVar('SECTION', True)
-        pversion = localdata.getVar('PV', True)
-        plicense = localdata.getVar('LICENSE', True)
-        psection = localdata.getVar('SECTION', True)
-        phome = localdata.getVar('HOMEPAGE', True)
-        prelease = localdata.getVar('PR', True)
-        pdepends = localdata.getVar('DEPENDS', True)
-        pbugtracker = localdata.getVar('BUGTRACKER', True)
-        ppe = localdata.getVar('PE', True)
-        psrcuri = localdata.getVar('SRC_URI', True)
-        maintainer = localdata.getVar('RECIPE_MAINTAINER', True)
+        pdesc = localdata.getVar('DESCRIPTION')
+        pgrp = localdata.getVar('SECTION')
+        pversion = localdata.getVar('PV')
+        plicense = localdata.getVar('LICENSE')
+        psection = localdata.getVar('SECTION')
+        phome = localdata.getVar('HOMEPAGE')
+        prelease = localdata.getVar('PR')
+        pdepends = localdata.getVar('DEPENDS')
+        pbugtracker = localdata.getVar('BUGTRACKER')
+        ppe = localdata.getVar('PE')
+        psrcuri = localdata.getVar('SRC_URI')
+        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)
-    license_types = d.getVar('LICENSE', True)
+    generic_directory = d.getVar('COMMON_LICENSE_DIR')
+    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 aa18e8b..9f398d7 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 82ab6a3..7dbf07a 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 31908c3..5ba6c34 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)
-    if bpn == d.getVar('PN', True):
-        classextend = (d.getVar('BBCLASSEXTEND', True) or '').split()
+    bpn = d.getVar('BPN')
+    if bpn == d.getVar('PN'):
+        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 852810e..402fc7d 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 8ebdfc4..d047a79 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()
-    deps = d.getVar("FONT_EXTRA_RDEPENDS", True)
+    font_pkgs = d.getVar('FONT_PACKAGES').split()
+    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 bd2613c..313c5a3 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 d7afa72..d07bead 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()
-    pkgdest =  d.getVar('PKGDEST', True)
+    packages = d.getVar('PACKAGES').split()
+    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 03b89b2..0be1424 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 91461b1..39b7bef 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 17417ba..3dc9146 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)
-            initrd = localdata.getVar('INITRD', True)
+            append = localdata.getVar('APPEND')
+            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 dec5abc..e6d1c8a 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 0f1052b..c5d8d7c 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()
-    pkgdest =  d.getVar('PKGDEST', True)
+    packages = d.getVar('PACKAGES').split()
+    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 ebbc9de..baea959 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 a837894..8a351cf 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 da1edf7..3b79de5 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 "")
-        listvars = (d.getVar("IMAGE_BUILDINFO_LVARS", True) or "")
+        vars = (d.getVar("IMAGE_BUILDINFO_VARS") 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 4a634dc..a3d1b4e 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)
-    initrd_i = d.getVar('INITRD_IMAGE_LIVE', True)
+    image_b = d.getVar('IMAGE_BASENAME')
+    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 2f35d6b..35c9244 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 e63f6a3..28bff9e 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()
-    inst_pkgs = d.getVar("PACKAGE_INSTALL", True).split()
-    inst_attempt_pkgs = d.getVar("PACKAGE_INSTALL_ATTEMPTONLY", True).split()
+    excl_pkgs = d.getVar("PACKAGE_EXCLUDE").split()
+    inst_pkgs = d.getVar("PACKAGE_INSTALL").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: