--- a/src/hotspot/share/gc/g1/g1RemSet.hpp	Tue Mar 06 13:08:59 2018 +0100
+++ b/src/hotspot/share/gc/g1/g1RemSet.hpp	Tue Mar 06 08:36:44 2018 +0100
@@ -45,7 +45,6 @@
 class G1RemSetScanState;
 class G1ParScanThreadState;
 class G1Policy;
-class G1SATBCardTableModRefBS;
 class G1ScanObjsDuringScanRSClosure;
 class G1ScanObjsDuringUpdateRSClosure;
 class HeapRegionClaimer;