diff -r e64e3cd120b7 -r 50c0d24d3971 src/hotspot/share/classfile/javaClasses.hpp
--- a/src/hotspot/share/classfile/javaClasses.hpp	Tue May 08 17:58:14 2018 -0700
+++ b/src/hotspot/share/classfile/javaClasses.hpp	Tue May 08 20:59:58 2018 -0400
@@ -946,20 +946,6 @@
   static void serialize(SerializeClosure* f) NOT_CDS_RETURN;
 };
 
-// Interface to java.lang.ref.ReferenceQueue objects
-
-class java_lang_ref_ReferenceQueue: public AllStatic {
-public:
-  static int static_NULL_queue_offset;
-  static int static_ENQUEUED_queue_offset;
-
-  // Accessors
-  static oop NULL_queue();
-  static oop ENQUEUED_queue();
-
-  static void compute_offsets();
-};
-
 // Interface to java.lang.invoke.MethodHandle objects
 
 class MethodHandleEntry;