--- old/src/share/vm/utilities/globalDefinitions.hpp	2013-06-05 10:57:43.000000000 +0200
+++ new/src/share/vm/utilities/globalDefinitions.hpp	2013-06-05 10:57:43.000000000 +0200
@@ -763,18 +763,6 @@
 TosState as_TosState(BasicType type);
 
 
-// ReferenceType is used to distinguish between java/lang/ref/Reference subclasses
-
-enum ReferenceType {
- REF_NONE,      // Regular class
- REF_OTHER,     // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below
- REF_SOFT,      // Subclass of java/lang/ref/SoftReference
- REF_WEAK,      // Subclass of java/lang/ref/WeakReference
- REF_FINAL,     // Subclass of java/lang/ref/FinalReference
- REF_PHANTOM    // Subclass of java/lang/ref/PhantomReference
-};
-
-
 // JavaThreadState keeps track of which part of the code a thread is executing in. This
 // information is needed by the safepoint code.
 //