--- old/src/share/vm/runtime/os.hpp	Wed May 21 09:47:59 2014
+++ new/src/share/vm/runtime/os.hpp	Wed May 21 09:47:59 2014
@@ -453,8 +453,6 @@
     // yield that can be used in lieu of blocking.
   } ;
   static YieldResult NakedYield () ;
-  static void yield_all(); // Yields to all other threads including lower priority
-                           // (for the default scheduling policy)
   static OSReturn set_priority(Thread* thread, ThreadPriority priority);
   static OSReturn get_priority(const Thread* const thread, ThreadPriority& priority);