diff --git a/lib/mongoid/traversable.rb b/lib/mongoid/traversable.rb
index <HASH>..<HASH> 100644
--- a/lib/mongoid/traversable.rb
+++ b/lib/mongoid/traversable.rb
@@ -153,7 +153,6 @@ module Mongoid
     def _root
       object = self
       while (object._parent) do object = object._parent; end
-      #object.with(@persistence_options) || self
       object
     end
Not necessary to set persistence_options on _root, as its options are used later as overrides