--- a/hotspot/src/share/vm/runtime/arguments.cpp	Fri Jan 04 11:10:17 2013 +0100
+++ b/hotspot/src/share/vm/runtime/arguments.cpp	Fri Jan 04 21:33:22 2013 +0100
@@ -1790,6 +1790,10 @@
     warning("Using the ParNew young collector with the Serial old collector is deprecated "
         "and will likely be removed in a future release");
   }
+
+  if (CMSIncrementalMode) {
+    warning("Using incremental CMS is deprecated and will likely be removed in a future release");
+  }
 }
 
 // Check stack pages settings