--- old/src/hotspot/share/gc/g1/g1ConcurrentRefineThread.cpp	2019-11-13 17:04:42.410355836 -0800
+++ new/src/hotspot/share/gc/g1/g1ConcurrentRefineThread.cpp	2019-11-13 17:04:42.002358370 -0800
@@ -111,7 +111,6 @@
 
     {
       SuspendibleThreadSetJoiner sts_join;
-      ResourceMark rm;
 
       while (!should_terminate()) {
         if (sts_join.should_yield()) {