--- a/hotspot/src/share/vm/runtime/synchronizer.hpp	Thu Jul 07 15:40:36 2016 -0400
+++ b/hotspot/src/share/vm/runtime/synchronizer.hpp	Thu Jul 07 14:58:17 2016 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -144,8 +144,6 @@
   static void verify() PRODUCT_RETURN;
   static int  verify_objmon_isinpool(ObjectMonitor *addr) PRODUCT_RETURN0;
 
-  static void RegisterSpinCallback(int(*)(intptr_t, int), intptr_t);
-
  private:
   enum { _BLOCKSIZE = 128 };
   // global list of blocks of monitors