diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 04b288abc1c..ab4c6a2d9c9 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -105,6 +105,7 @@ BB_RENAMED_VARIABLES[ICECC_SYSTEM_PACKAGE_BL] = "ICECC_RECIPE_DISABLE"
 BB_RENAMED_VARIABLES[INHERIT_BLACKLIST] = "is a deprecated variable and no longer needed"
 BB_RENAMED_VARIABLES[TUNEABI_WHITELIST] = "is a deprecated variable and support has been removed"
 BB_RENAMED_VARIABLES[LICENSE_FLAGS_WHITELIST] = "LICENSE_FLAGS_ACCEPTED"
+BB_RENAMED_VARIABLES[TCLIBCAPPEND] = "is no longer used, modify TMPDIR directly if required"
 
 BB_RENAMED_VARIABLES[WHITELIST_GPL-3.0-only] = "INCOMPATIBLE_LICENSE_EXCEPTIONS"
 BB_RENAMED_VARIABLES[WHITELIST_GPL-3.0-or-later] = "INCOMPATIBLE_LICENSE_EXCEPTIONS"