--- old/src/share/vm/gc_implementation/g1/heapRegionSet.hpp	2014-02-11 11:34:03.945495785 +0100
+++ new/src/share/vm/gc_implementation/g1/heapRegionSet.hpp	2014-02-11 11:34:03.817495783 +0100
@@ -84,7 +84,6 @@
 private:
   bool _is_humongous;
   bool _is_empty;
-  bool _is_linked;
   HRSMtSafeChecker* _mt_safety_checker;
 
 protected:
@@ -109,8 +108,6 @@
   // not. Only used during verification.
   bool regions_empty() { return _is_empty; }
 
-  bool regions_linked() { return _is_linked; }
-
   bool check_mt_safety() {
     if (_mt_safety_checker != NULL) {
       _mt_safety_checker->check();
@@ -120,7 +117,7 @@
 
   virtual void fill_in_ext_msg_extra(hrs_ext_msg* msg) { }
 
-  HeapRegionSetBase(const char* name, bool humongous, bool empty, bool linked, HRSMtSafeChecker* mt_safety_checker);
+  HeapRegionSetBase(const char* name, bool humongous, bool empty, HRSMtSafeChecker* mt_safety_checker);
 
 public:
   const char* name() { return _name; }
@@ -192,7 +189,7 @@
 class HeapRegionSet : public HeapRegionSetBase {
 public:
   HeapRegionSet(const char* name, bool humongous, HRSMtSafeChecker* mt_safety_checker):
-    HeapRegionSetBase(name, humongous, false /* empty */, false /* linked */, mt_safety_checker) { }
+    HeapRegionSetBase(name, humongous, false /* empty */, mt_safety_checker) { }
 
   void bulk_remove(const HeapRegionSetCount& removed) {
     _count.decrement(removed.length(), removed.capacity());
@@ -224,7 +221,7 @@
 
 public:
   FreeRegionList(const char* name, HRSMtSafeChecker* mt_safety_checker):
-    HeapRegionSetBase(name, false /* humongous */, true /* empty */, true /* linked */, mt_safety_checker) {
+    HeapRegionSetBase(name, false /* humongous */, true /* empty */, mt_safety_checker) {
     clear();
   }