--- a/src/hotspot/share/oops/arrayKlass.hpp	Sat Jan 05 10:48:54 2019 +0800
+++ b/src/hotspot/share/oops/arrayKlass.hpp	Sat Jan 05 20:08:24 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -99,7 +99,6 @@
 
   GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots,
                                                   Array<InstanceKlass*>* transitive_interfaces);
-  bool compute_is_subtype_of(Klass* k);
 
   // Sizing
   static int static_size(int header_size);