diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index 696b176d37..f72bbd0e05 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -4487,6 +4487,25 @@
             </glossdef>
         </glossentry>
 
+        <glossentry id='var-FORCE_RO_REMOVE'><glossterm>FORCE_RO_REMOVE</glossterm>
+            <info>
+                FORCE_RO_REMOVE[doc] = "Forces the removal of the packages listed in ROOTFS_RO_UNNEEDED during the generation of the root filesystem."
+            </info>
+            <glossdef>
+                <para role="glossdeffirst">
+<!--                <para role="glossdeffirst"><imagedata fileref="figures/define-generic.png" /> -->
+                    Forces the removal of the packages listed in
+                    <link linkend='var-ROOTFS_RO_UNNEEDED'><filename>ROOTFS_RO_UNNEEDED</filename></link>
+                    during the generation of the root filesystem.
+                </para>
+
+                <para>
+                    Set the variable to "1" to force the removal of these
+                    packages.
+                </para>
+            </glossdef>
+        </glossentry>
+
         <glossentry id='var-FULL_OPTIMIZATION'><glossterm>FULL_OPTIMIZATION</glossterm>
             <info>
                 FULL_OPTIMIZATION[doc]= "The options to pass in TARGET_CFLAGS and CFLAGS when compiling an optimized system. This variable defaults to '-fexpensive-optimizations -fomit-frame-pointer -frename-registers -O2'."