--- a/src/hotspot/share/gc/g1/g1CollectedHeap.hpp	Tue Feb 05 15:12:13 2019 -0500
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.hpp	Tue Feb 05 16:46:49 2019 -0500
@@ -1369,7 +1369,6 @@
 
   // WhiteBox testing support.
   virtual bool supports_concurrent_phase_control() const;
-  virtual const char* const* concurrent_phases() const;
   virtual bool request_concurrent_phase(const char* phase);
 
   virtual WorkGang* get_safepoint_workers() { return _workers; }