How to unshare a form template

What do I do if the template of the form that I want to unshare, it is not part of my forms anymore?

Unfortunately, you would have to contact the form owner to request the form templates to be unshared.

Guide:https://www.jotform.com/help/157-Sharing-a-Form-in-the-Form-Templates-Gallery#How-to-Unshare-or-Edit-a-Shared-Template