--- old/src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp	2020-02-28 10:45:00.603997283 +0100
+++ new/src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp	2020-02-28 10:45:00.307997463 +0100
@@ -404,7 +404,6 @@
   task_queues()->reserve(nworkers);
 
   {
-    ShenandoahTerminationTracker term(ShenandoahPhaseTimings::conc_termination);
     TaskTerminator terminator(nworkers, task_queues());
     ShenandoahConcurrentMarkingTask task(this, &terminator);
     workers->run_task(&task);
@@ -435,10 +434,6 @@
     ShenandoahIsAliveSelector is_alive;
     ReferenceProcessorIsAliveMutator fix_isalive(_heap->ref_processor(), is_alive.is_alive_closure());
 
-    ShenandoahTerminationTracker termination_tracker(full_gc ?
-                                                     ShenandoahPhaseTimings::full_gc_mark_termination :
-                                                     ShenandoahPhaseTimings::termination);
-
     StrongRootsScope scope(nworkers);
     TaskTerminator terminator(nworkers, task_queues());
     ShenandoahFinalMarkingTask task(this, &terminator, ShenandoahStringDedup::is_enabled());
@@ -636,11 +631,6 @@
           ShenandoahPhaseTimings::full_gc_weakrefs_process :
           ShenandoahPhaseTimings::weakrefs_process;
 
-  ShenandoahPhaseTimings::Phase phase_process_termination =
-          full_gc ?
-          ShenandoahPhaseTimings::full_gc_weakrefs_termination :
-          ShenandoahPhaseTimings::weakrefs_termination;
-
   shenandoah_assert_rp_isalive_not_installed();
   ShenandoahIsAliveSelector is_alive;
   ReferenceProcessorIsAliveMutator fix_isalive(rp, is_alive.is_alive_closure());
@@ -667,7 +657,6 @@
 
   {
     ShenandoahGCPhase phase(phase_process);
-    ShenandoahTerminationTracker phase_term(phase_process_termination);
 
     if (_heap->has_forwarded_objects()) {
       ShenandoahCMKeepAliveUpdateClosure keep_alive(get_queue(serial_worker_id));
@@ -942,7 +931,6 @@
       // No work encountered in current stride, try to terminate.
       // Need to leave the STS here otherwise it might block safepoints.
       ShenandoahSuspendibleThreadSetLeaver stsl(CANCELLABLE && ShenandoahSuspendibleWorkers);
-      ShenandoahTerminationTimingsTracker term_tracker(worker_id);
       ShenandoahTerminatorTerminator tt(heap);
       if (terminator->offer_termination(&tt)) return;
     }