If you have multiple login Profiles to different Libraries, you can delete any login Profile that is no longer needed. You should avoid deleting a login Profile that is currently in use or those that you may still want to use to connect to different servers. You should also ensure that you do not have documents checked out from a server before you delete a profile that connects to that sever. Deleting a login Profile discards any changes that the author made to checked out documents.
To delete a login Profile: