diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 48783e7021..5f5852ab18 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -9521,44 +9521,6 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
                 </para>
             </glossdef>
         </glossentry>
-
-        <glossentry id='var-NOHDD'><glossterm>NOHDD</glossterm>
-            <info>
-                NOHDD[doc] = "Causes the OpenEmbedded build system to skip building the .hddimg image."
-            </info>
-            <glossdef>
-                <para role="glossdeffirst">
-<!--                <para role="glossdeffirst"><imagedata fileref="figures/define-generic.png" /> -->
-                    Causes the OpenEmbedded build system to skip building the
-                    <filename>.hddimg</filename> image.
-                    The <filename>NOHDD</filename> variable is used with the
-                    <link linkend='ref-classes-image-live'><filename>image-live</filename></link>
-                    class.
-                    Set the variable to "1" to prevent the
-                    <filename>.hddimg</filename> image from being built.
-                </para>
-            </glossdef>
-        </glossentry>
-
-        <glossentry id='var-NOISO'><glossterm>NOISO</glossterm>
-            <info>
-                NOISO[doc] = "Causes the OpenEmbedded build system to skip building the ISO image."
-            </info>
-            <glossdef>
-                <para role="glossdeffirst">
-<!--                <para role="glossdeffirst"><imagedata fileref="figures/define-generic.png" /> -->
-                    Causes the OpenEmbedded build system to skip building the
-                    ISO image.
-                    The <filename>NOISO</filename> variable is used with the
-                    <link linkend='ref-classes-image-live'><filename>image-live</filename></link>
-                    class.
-                    Set the variable to "1" to prevent the ISO image from
-                    being built.
-                    To enable building an ISO image, set the variable to "0".
-                </para>
-            </glossdef>
-        </glossentry>
-
     </glossdiv>
 
     <glossdiv id='var-glossary-o'><title>O</title>