--- a/src/hotspot/share/runtime/vm_operations.cpp	Tue Jun 05 21:38:38 2018 +0200
+++ b/src/hotspot/share/runtime/vm_operations.cpp	Tue Jun 05 19:58:20 2018 -0400
@@ -204,13 +204,6 @@
 }
 
 bool VM_PrintThreads::doit_prologue() {
-  // Make sure AbstractOwnableSynchronizer is loaded
-  JavaThread* jt = JavaThread::current();
-  java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(jt);
-  if (jt->has_pending_exception()) {
-    return false;
-  }
-
   // Get Heap_lock if concurrent locks will be dumped
   if (_print_concurrent_locks) {
     Heap_lock->lock();
@@ -248,19 +241,6 @@
   }
 }
 
-bool VM_FindDeadlocks::doit_prologue() {
-  if (_concurrent_locks) {
-    // Make sure AbstractOwnableSynchronizer is loaded
-    JavaThread* jt = JavaThread::current();
-    java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(jt);
-    if (jt->has_pending_exception()) {
-      return false;
-    }
-  }
-
-  return true;
-}
-
 void VM_FindDeadlocks::doit() {
   // Update the hazard ptr in the originating thread to the current
   // list of threads. This VM operation needs the current list of
@@ -316,13 +296,6 @@
 }
 
 bool VM_ThreadDump::doit_prologue() {
-  // Make sure AbstractOwnableSynchronizer is loaded
-  JavaThread* jt = JavaThread::current();
-  java_util_concurrent_locks_AbstractOwnableSynchronizer::initialize(jt);
-  if (jt->has_pending_exception()) {
-    return false;
-  }
-
   if (_with_locked_synchronizers) {
     // Acquire Heap_lock to dump concurrent locks
     Heap_lock->lock();