diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index d7ef19dbee..00878962d0 100644
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -881,7 +881,7 @@ module ActiveRecord #:nodoc:
       #
       # Post.unscoped.published 
       # Post.published 
-      def unscoped
+      def unscoped #:nodoc:
         block_given? ? relation.scoping { yield } : relation
       end