diff -r 49f627781c2a -r 88916200bdd7 src/hotspot/share/oops/oop.hpp
--- a/src/hotspot/share/oops/oop.hpp	Fri Oct 12 12:13:06 2018 +0200
+++ b/src/hotspot/share/oops/oop.hpp	Fri Oct 12 12:14:01 2018 +0200
@@ -285,13 +285,6 @@
   // mark-sweep support
   void follow_body(int begin, int end);
 
-  // Garbage Collection support
-
-#if INCLUDE_PARALLELGC
-  // Parallel Compact
-  inline void pc_update_contents(ParCompactionManager* cm);
-#endif
-
   template <typename OopClosureType>
   inline void oop_iterate(OopClosureType* cl);