--- a/src/hotspot/share/runtime/mutex.hpp	Mon May 21 22:59:29 2018 +0200
+++ b/src/hotspot/share/runtime/mutex.hpp	Mon May 21 17:17:24 2018 -0400
@@ -130,7 +130,6 @@
   volatile intptr_t _WaitLock [1] ;      // Protects _WaitSet
   ParkEvent * volatile  _WaitSet ;       // LL of ParkEvents
   volatile bool     _snuck;              // Used for sneaky locking (evil).
-  int NotifyCount ;                      // diagnostic assist
   char _name[MONITOR_NAME_LEN];          // Name of mutex
 
   // Debugging fields for naming, deadlock detection, etc. (some only used in debug mode)