--- a/hotspot/src/share/vm/memory/referenceType.hpp	Tue Sep 15 15:49:33 2015 +0200
+++ b/hotspot/src/share/vm/memory/referenceType.hpp	Wed Sep 16 16:25:02 2015 +0200
@@ -32,15 +32,11 @@
 enum ReferenceType {
   REF_NONE,      // Regular class
   REF_OTHER,     // Subclass of java/lang/ref/Reference, but not subclass of one of the classes below
-  ///////////////// Only the types below have their own discovered lists
   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
-  REF_CLEANER,   // Subclass of sun/misc/Cleaner
-  ///////////////// Only the types in the above range have their own discovered lists
-  REF_JNI,        // JNI weak refs
-  REF_LISTS_COUNT = REF_CLEANER - REF_OTHER  // Number of discovered lists
+  REF_CLEANER    // Subclass of sun/misc/Cleaner
 };
 
 #endif // SHARE_VM_MEMORY_REFERENCETYPE_HPP