--- old/src/hotspot/share/runtime/objectMonitor.hpp	2018-09-17 23:28:41.119747399 -0700
+++ new/src/hotspot/share/runtime/objectMonitor.hpp	2018-09-17 23:28:40.859747408 -0700
@@ -195,7 +195,6 @@
   static PerfCounter * _sync_Deflations;
   static PerfLongVariable * _sync_MonExtant;
 
-  static int Knob_VerifyMatch;
   static int Knob_SpinLimit;
 
   void* operator new (size_t size) throw();