How to remove Libraries Shared to all

Seafile CE 6.2.5 at the moment. A user in Seafile has previously shared a library to all. I would like to get this Share removed while retaining the library but I can’t seem to find how to do so at the moment. Any tips?

Also, the following parameters in have recently been set (most likely after the library was shared to all):


Is that the correct way to prevent someone else from creating a share to all?

I think I figured it out. I need to login as a Seafile Admin, go to Shared with all and click the garbage can. The pop up indicated it would unshare rather than delete the library.