--- a/src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp	Mon Apr 15 18:22:10 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.cpp	Mon Apr 15 12:54:12 2019 -0400
@@ -242,10 +242,7 @@
   _evacuation_tasks(new SubTasksDone(SHENANDOAH_EVAC_NumElements)),
   _srs(n_workers),
   _phase(phase),
-  _coderoots_cset_iterator(ShenandoahCodeRoots::cset_iterator()),
-  _par_state_string(StringTable::weak_storage())
-
-{
+  _coderoots_cset_iterator(ShenandoahCodeRoots::cset_iterator()) {
   heap->phase_timings()->record_workers_start(_phase);
   if (ShenandoahStringDedup::is_enabled()) {
     StringDedup::gc_prologue(false);

--- a/src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.hpp	Mon Apr 15 18:22:10 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahRootProcessor.hpp	Mon Apr 15 12:54:12 2019 -0400
@@ -119,7 +119,6 @@
   StrongRootsScope _srs;
   ShenandoahPhaseTimings::Phase _phase;
   ShenandoahCsetCodeRootsIterator _coderoots_cset_iterator;
-  OopStorage::ParState<false, false> _par_state_string;
 
   enum Shenandoah_evacuate_roots_tasks {
     SHENANDOAH_EVAC_Universe_oops_do,