--- a/hotspot/src/share/vm/gc_implementation/g1/concurrentMarkThread.hpp	Fri Apr 11 11:00:12 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/concurrentMarkThread.hpp	Fri Apr 11 12:29:24 2014 +0200
@@ -89,9 +89,6 @@
   // that started() is set and set in_progress().
   bool during_cycle()      { return started() || in_progress(); }
 
-  // Yield for GC
-  void            yield();
-
   // shutdown
   void stop();
 };