Share Email Facebook Twitter LinkedIn To Discard all Changes 2013-04-10 Product Documentation Intermediate View Original On either the Edit Reference ribbon contextual tab or the Refedit toolbar, click the Discard Changes to Reference button. Related Tasks To Save Back Changes Related References Commands for Editing External References Related Concepts About Editing a Referenced Drawing in a Separate Window About Editing Selected Objects in Referenced Drawings and Blocks About Saving Back Edited References