--- a/src/hotspot/share/gc/z/zRelocate.cpp	Wed Feb 20 13:43:01 2019 +0100
+++ b/src/hotspot/share/gc/z/zRelocate.cpp	Wed Feb 20 13:43:02 2019 +0100
@@ -40,8 +40,6 @@
 class ZRelocateRootsIteratorClosure : public ZRootsIteratorClosure {
 public:
   virtual void do_thread(Thread* thread) {
-    ZRootsIteratorClosure::do_thread(thread);
-
     // Update thread local address bad mask
     ZThreadLocalData::set_address_bad_mask(thread, ZAddressBadMask);