Index: /trunk/data/validator/deprecated.mapcss
===================================================================
--- /trunk/data/validator/deprecated.mapcss	(revision 15199)
+++ /trunk/data/validator/deprecated.mapcss	(revision 15200)
@@ -1468,2 +1468,8 @@
   group: tr("deprecated tagging");
 }
+
+*[contact:google_plus] {
+  throwWarning: tr("{0} is deprecated", "{0.key}");
+  fixRemove: "contact:google_plus";
+  group: tr("deprecated tagging");
+}