diff --git a/lib/oga/xml/node_set.rb b/lib/oga/xml/node_set.rb
index db8779d..40e1465 100644
--- a/lib/oga/xml/node_set.rb
+++ b/lib/oga/xml/node_set.rb
@@ -26,8 +26,6 @@ module Oga
       end
 
       def push(node)
-        node.node_set = self
-
         @nodes << node
       end