--- old/src/share/vm/gc/g1/g1RemSet.cpp 2015-11-12 10:48:52.910554348 +0100 +++ new/src/share/vm/gc/g1/g1RemSet.cpp 2015-11-12 10:48:52.774549139 +0100 @@ -307,7 +307,6 @@ } void G1RemSet::prepare_for_oops_into_collection_set_do() { - cleanupHRRS(); _g1->set_refine_cte_cl_concurrency(false); DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set(); dcqs.concatenate_logs();