1 files changed, 4 insertions, 0 deletions
diff --git a/lib/set.rb b/lib/set.rb
index ff0c0e6e9e..d1e2a2e445 100755
--- a/lib/set.rb
+++ b/lib/set.rb
@@ -604,6 +604,10 @@ class SortedSet < Set
           end
         }
       end
+      module_eval {
+        # a hack to shut up warning
+        remove_method :old_init
+      }
 
       @@setup = true
     end