diff -r d3a33953b936 -r e64383344f14 src/hotspot/share/gc/g1/g1SATBMarkQueueSet.cpp
--- a/src/hotspot/share/gc/g1/g1SATBMarkQueueSet.cpp	Wed Jun 26 09:06:32 2019 -0400
+++ b/src/hotspot/share/gc/g1/g1SATBMarkQueueSet.cpp	Wed Jun 26 13:18:38 2019 -0400
@@ -35,12 +35,10 @@
 G1SATBMarkQueueSet::G1SATBMarkQueueSet() : _g1h(NULL) {}
 
 void G1SATBMarkQueueSet::initialize(G1CollectedHeap* g1h,
-                                    Monitor* cbl_mon,
                                     BufferNode::Allocator* allocator,
                                     size_t process_completed_buffers_threshold,
                                     uint buffer_enqueue_threshold_percentage) {
-  SATBMarkQueueSet::initialize(cbl_mon,
-                               allocator,
+  SATBMarkQueueSet::initialize(allocator,
                                process_completed_buffers_threshold,
                                buffer_enqueue_threshold_percentage);
   _g1h = g1h;