--- old/src/share/vm/ci/ciObjectFactory.hpp	2017-04-25 16:44:12.271175985 +0200
+++ new/src/share/vm/ci/ciObjectFactory.hpp	2017-04-25 16:44:12.159175988 +0200
@@ -73,8 +73,6 @@
   ciObject* create_new_object(oop o);
   ciMetadata* create_new_metadata(Metadata* o);
 
-  void ensure_metadata_alive(ciMetadata* m);
-
   static bool is_equal(NonPermObject* p, oop key) {
     return p->object()->get_oop() == key;
   }