--- old/src/hotspot/share/classfile/stringTable.cpp	2018-05-29 11:09:03.649903825 +0200
+++ new/src/hotspot/share/classfile/stringTable.cpp	2018-05-29 11:09:03.237889878 +0200
@@ -434,19 +434,6 @@
   _par_state_string->oops_do(f);
 }
 
-void StringTable::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* f) {
-  assert(is_alive != NULL, "No closure");
-  StringTableIsAliveCounter stiac(is_alive);
-  weak_storage()->weak_oops_do(is_alive, f);
-  StringTable::the_table()->items_to_clean(stiac._count);
-  StringTable::the_table()->check_concurrent_work();
-}
-
-void StringTable::weak_oops_do(OopClosure* f) {
-  assert(f != NULL, "No closure");
-  weak_storage()->weak_oops_do(f);
-}
-
 struct StringTableDeleteCheck {
   long _count;
   long _item;