--- a/src/hotspot/share/gc/g1/g1GCPhaseTimes.cpp	Thu Oct 24 15:53:20 2019 +0800
+++ b/src/hotspot/share/gc/g1/g1GCPhaseTimes.cpp	Thu Oct 24 11:08:16 2019 +0200
@@ -62,7 +62,6 @@
   _gc_par_phases[JVMTIRoots] = new WorkerDataArray<double>(max_gc_threads, "JVMTI Roots (ms):");
   AOT_ONLY(_gc_par_phases[AOTCodeRoots] = new WorkerDataArray<double>(max_gc_threads, "AOT Root Scan (ms):");)
   _gc_par_phases[CMRefRoots] = new WorkerDataArray<double>(max_gc_threads, "CM RefProcessor Roots (ms):");
-  _gc_par_phases[WaitForStrongRoots] = new WorkerDataArray<double>(max_gc_threads, "Wait For Strong Roots (ms):");
 
   _gc_par_phases[MergeER] = new WorkerDataArray<double>(max_gc_threads, "Eager Reclaim (ms):");
 
@@ -566,7 +565,6 @@
       "JVMTIRoots",
       AOT_ONLY("AOTCodeRoots" COMMA)
       "CMRefRoots",
-      "WaitForStrongRoots",
       "MergeER",
       "MergeRS",
       "OptMergeRS",