1 files changed, 2 insertions, 6 deletions

diff --git a/documentation/ref-manual/ref-structure.xml b/documentation/ref-manual/ref-structure.xml
index 14419d3a84..1098006c73 100644
--- a/documentation/ref-manual/ref-structure.xml
+++ b/documentation/ref-manual/ref-structure.xml
@@ -467,12 +467,8 @@
             <filename><link linkend='var-MACHINE'>MACHINE</link></filename>
             for which you want to build, which package types you wish to use
             (<link linkend='var-PACKAGE_CLASSES'><filename>PACKAGE_CLASSES</filename></link>),
-            the location from which you want to access downloaded files
-            (<filename><link linkend='var-DL_DIR'>DL_DIR</link></filename>),
-            and how you want your host machine to use resources
-            (<link linkend='var-BB_NUMBER_THREADS'><filename>BB_NUMBER_THREADS</filename></link>
-            and
-            <link linkend='var-PARALLEL_MAKE'><filename>PARALLEL_MAKE</filename></link>).
+            and the location from which you want to access downloaded files
+            (<filename><link linkend='var-DL_DIR'>DL_DIR</link></filename>).
         </para>
 
         <para>