--- old/src/hotspot/share/gc/shared/parallelCleaning.cpp	2018-11-05 20:45:59.432194242 -0500
+++ new/src/hotspot/share/gc/shared/parallelCleaning.cpp	2018-11-05 20:45:57.856104340 -0500
@@ -89,8 +89,6 @@
   CodeCache::verify_icholder_relocations();
 }
 
-Monitor* CodeCacheUnloadingTask::_lock = new Monitor(Mutex::leaf, "Code Cache Unload lock", false, Monitor::_safepoint_check_never);
-
 void CodeCacheUnloadingTask::claim_nmethods(CompiledMethod** claimed_nmethods, int *num_claimed_nmethods) {
   CompiledMethod* first;
   CompiledMethodIterator last;