--- a/src/hotspot/share/oops/oopsHierarchy.hpp	Wed Jan 31 17:43:46 2018 -0800
+++ b/src/hotspot/share/oops/oopsHierarchy.hpp	Thu Feb 01 13:30:53 2018 -0500
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, 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
@@ -106,12 +106,6 @@
   bool operator!=(const volatile oop o) const  { return obj() != o.obj(); }
   bool operator!=(void *p) const      { return obj() != p; }
 
-  bool operator<(oop o) const         { return obj() < o.obj(); }
-  bool operator>(oop o) const         { return obj() > o.obj(); }
-  bool operator<=(oop o) const        { return obj() <= o.obj(); }
-  bool operator>=(oop o) const        { return obj() >= o.obj(); }
-  bool operator!() const              { return !obj(); }
-
   // Assignment
   oop& operator=(const oop& o)                            { _o = o.obj(); return *this; }
   volatile oop& operator=(const oop& o) volatile          { _o = o.obj(); return *this; }