Old reference re-appearing in bibliography

Please make a backup of the document then try the steps from our website:

https://support.clarivate.com/Endnote/s/article/EndNote-Updating-a-Word-document-to-match-changes-from-your-EndNote-library?language=en_US

If you continue to have issues with the document please contact Technical Support.

1-800-336-4474 option 4 then 1

or
https://endnote.com/contact/