I hate to be the bearer of bad news, but this feature request has been declined.
Allow admins to hide the default tabs. We have no use for them. We manage files and notes in a different way.
555 votesgbr476 commented
This is a must to be able to manage the user interface and user experience. User interface needs to be customizable so the users are not overloaded with having to remember which tab to use and not use.