diff --git a/src/hotspot/share/oops/instanceMirrorKlass.hpp b/src/hotspot/share/oops/instanceMirrorKlass.hpp
index ccfb7f6dfac..e197b94b7e8 100644
--- a/src/hotspot/share/oops/instanceMirrorKlass.hpp
+++ b/src/hotspot/share/oops/instanceMirrorKlass.hpp
@@ -93,7 +93,6 @@ class InstanceMirrorKlass: public InstanceKlass {
   //
 #if INCLUDE_PARALLELGC
   // Parallel Compact
-  void oop_pc_follow_contents(oop obj, ParCompactionManager* cm);
   void oop_pc_update_pointers(oop obj, ParCompactionManager* cm);
 #endif