diff -r 34510f65fb58 -r c3066f7465fa src/hotspot/share/classfile/systemDictionary.hpp
--- a/src/hotspot/share/classfile/systemDictionary.hpp	Tue Nov 13 11:34:54 2018 +0100
+++ b/src/hotspot/share/classfile/systemDictionary.hpp	Tue Nov 13 11:45:16 2018 +0100
@@ -347,8 +347,7 @@
 
   // Unload (that is, break root links to) all unmarked classes and
   // loaders.  Returns "true" iff something was unloaded.
-  static bool do_unloading(GCTimer* gc_timer,
-                           bool do_cleaning = true);
+  static bool do_unloading(GCTimer* gc_timer);
 
   // Used by DumpSharedSpaces only to remove classes that failed verification
   static void remove_classes_in_error_state();