--- old/src/hotspot/share/oops/klass.inline.hpp	2018-03-21 16:41:13.939887835 +0100
+++ new/src/hotspot/share/oops/klass.inline.hpp	2018-03-21 16:41:13.743887842 +0100
@@ -71,13 +71,4 @@
   return is_null(v) ? (Klass*)NULL : decode_klass_not_null(v);
 }
 
-template <typename T>
-bool Klass::is_instanceof_or_null(T element) {
-  if (oopDesc::is_null(element)) {
-    return true;
-  }
-  oop obj = oopDesc::decode_heap_oop_not_null(element);
-  return obj->klass()->is_subtype_of(this);
-}
-
 #endif // SHARE_VM_OOPS_KLASS_INLINE_HPP