--- a/src/hotspot/share/gc/z/zCollectedHeap.hpp	Wed Nov 20 10:37:46 2019 +0100
+++ b/src/hotspot/share/gc/z/zCollectedHeap.hpp	Wed Nov 20 10:37:46 2019 +0100
@@ -98,7 +98,6 @@
   virtual GrowableArray<MemoryPool*> memory_pools();
 
   virtual void object_iterate(ObjectClosure* cl);
-  virtual void safe_object_iterate(ObjectClosure* cl);
 
   virtual void register_nmethod(nmethod* nm);
   virtual void unregister_nmethod(nmethod* nm);