diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml
index 2330d5e895..bd70ca7910 100644
--- a/documentation/ref-manual/migration.xml
+++ b/documentation/ref-manual/migration.xml
@@ -3383,8 +3383,7 @@
             <filename>tmp/deploy/</filename> is now enabled by default due
             to a new staging method used for those files.
             As a result of this change, the
-            <link linkend='var-RM_OLD_IMAGE'><filename>RM_OLD_IMAGE</filename></link>
-            variable is now redundant.
+            <filename>RM_OLD_IMAGE</filename> variable is now redundant.
         </para>
     </section>
 
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index f509da4d7d..ae1068a90c 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -10673,35 +10673,6 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
             </glossdef>
         </glossentry>
 
-        <glossentry id='var-RM_OLD_IMAGE'><glossterm>RM_OLD_IMAGE</glossterm>
-            <info>
-                RM_OLD_IMAGE[doc] = "Reclaims disk space by removing previously built versions of the same image from the images directory pointed to by the DEPLOY_DIR variable."
-            </info>
-            <glossdef>
-                <para role="glossdeffirst">
-<!--                <para role="glossdeffirst"><imagedata fileref="figures/define-generic.png" /> -->
-                    Reclaims disk space by removing previously built
-                    versions of the same image from the
-                    <filename>images</filename> directory pointed to by the
-                    <link linkend='var-DEPLOY_DIR'><filename>DEPLOY_DIR</filename></link>
-                    variable.
-                </para>
-
-                <para>
-                    Set this variable to "1" in your
-                    <filename>local.conf</filename> file to remove these
-                    images.
-                    <note>
-                        Removal of old images and other files in
-                        <filename>tmp/deploy/</filename> is enabled by default
-                        due to the staging method used for those files.
-                        Consequently, the <filename>RM_OLD_IMAGE</filename>
-                        variable is redundant.
-                    </note>
-                </para>
-            </glossdef>
-        </glossentry>
-
         <glossentry id='var-RM_WORK_EXCLUDE'><glossterm>RM_WORK_EXCLUDE</glossterm>
             <info>
                 RM_WORK_EXCLUDE[doc] = "With rm_work enabled, this variable specifies a list of packages whose work directories should not be removed."