- delete << super_relation.to_xml_node
- delete << used_relation.to_xml_node
- delete << used_way.to_xml_node
- delete << used_node.to_xml_node
+ delete << xml_node_for_relation(super_relation)
+ delete << xml_node_for_relation(used_relation)
+ delete << xml_node_for_way(used_way)
+ delete << xml_node_for_node(used_node)