--- old/src/share/vm/gc/g1/concurrentMark.hpp	2015-09-09 16:12:51.259861848 +0200
+++ new/src/share/vm/gc/g1/concurrentMark.hpp	2015-09-09 16:12:51.147861851 +0200
@@ -28,7 +28,6 @@
 #include "classfile/javaClasses.hpp"
 #include "gc/g1/g1RegionToSpaceMapper.hpp"
 #include "gc/g1/heapRegionSet.hpp"
-#include "gc/shared/gcId.hpp"
 #include "gc/shared/taskqueue.hpp"
 
 class G1CollectedHeap;