diff --git a/tools/build/depend-cleanup.sh b/tools/build/depend-cleanup.sh
--- a/tools/build/depend-cleanup.sh
+++ b/tools/build/depend-cleanup.sh
@@ -116,3 +116,6 @@
 	echo "Removing old zic directory"
 	rm -rf "$OBJTOP"/usr.sbin/zic/zic
 fi
+
+# 20230208  29c5f8bf9a01    move from mkmakefile.c to mkmakefile.cc
+clean_dep   usr.sbin/config  mkmakefile c