Websites mysteriously appearing in my WPMU hub.


I have websites mysteriously being listed in my WPMU hub ( I actually have only 2 sites with WPMU in them: and, but if you access my hub you'll see more listed: I presume that what's happening is this: the guys I've hired for development make a local installation of the site for testing and since that's just a clone of the original, it ends up being listed in my WPMU hub; is that possible?