diff --git a/documentation/poky.ent b/documentation/poky.ent
index 19bccbddee..5df8c86c26 100644
--- a/documentation/poky.ent
+++ b/documentation/poky.ent
@@ -64,7 +64,6 @@
 <!ENTITY YOCTO_DOCS_SDK_URL "&YOCTO_DOCS_URL;/&YOCTO_DOC_VERSION;/sdk-manual/sdk-manual.html">
 <!ENTITY YOCTO_DOCS_OVERVIEW_URL "&YOCTO_DOCS_URL;/&YOCTO_DOC_VERSION;/overview-manual/overview-manual.html">
 <!ENTITY YOCTO_DOCS_GS_URL "&YOCTO_DOCS_URL;/&YOCTO_DOC_VERSION;/getting-started/getting-started.html">
-<!ENTITY YOCTO_DOCS_CM_URL "&YOCTO_DOCS_URL;/&YOCTO_DOC_VERSION;/concepts-manual/concepts-manual.html">
 <!ENTITY YOCTO_DOCS_BRIEF_URL "&YOCTO_DOCS_URL;/&YOCTO_DOC_VERSION;/brief-yoctoprojectqs/brief-yoctoprojectqs.html">
 <!ENTITY YOCTO_ADTPATH_DIR "/opt/poky/&DISTRO;">
 <!ENTITY YOCTO_POKY_TARBALL "&YOCTO_POKY;.tar.bz2">