Hit F5 - When viewing any photo in Facebook lightbox, just hit F5 to refresh and it will go away. Remove &theater - At the address bar, remove the &theater from the URL and hit Enter. Facebook Lightbox Killer (Mozilla Firefox ) - This is an addon for Mozilla Firefox. It will remove Facebook lightbox automatically when you viewing somebody's photos. Facebook Lightbox Killer (Google Chrome ) - Same like Facebook Lightbox Killer for Mozilla Firefox. This is an extension for Google Chrome that will kill the lightbox when viewing pictures on Facebook.