Index: trunk/data/validator/deprecated.mapcss
===================================================================
--- trunk/data/validator/deprecated.mapcss	(revision 7968)
+++ trunk/data/validator/deprecated.mapcss	(revision 7969)
@@ -366,5 +366,6 @@
 
 /* see #10837 */
-*[building][levels] {
+*[building][levels],
+*[building:part=yes][levels] {
   throwWarning: tr("{0} is deprecated", "{1.key}");
   suggestAlternative: "building:levels";