1 files changed, 5 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/support/class_inheritable_attributes.rb b/activerecord/lib/active_record/support/class_inheritable_attributes.rb
index ee69646da0..201932cf2d 100644
--- a/activerecord/lib/active_record/support/class_inheritable_attributes.rb
+++ b/activerecord/lib/active_record/support/class_inheritable_attributes.rb
@@ -28,10 +28,13 @@ module ClassInheritableAttributes # :nodoc:
       inheritable_attributes[key]
     end
     
+    def reset_inheritable_attributes
+      inheritable_attributes.clear
+    end
+    
     private 
       def inherited(child)
         @@classes[child] = inheritable_attributes.dup
-      end
-      
+      end 
   end
 end