All Files Deleting Panels T-SBFND-005-008 If there are panels you no longer need, you can simply delete them. Note that it is impossible to have an empty project as there is a minimum of one panel. How to delete panels In the Thumbnails view, select one or more panels to delete. Do one of the following: In the Storyboard toolbar, click the Delete Selected Panels button. Select Edit > Delete Panel. Press Delete. The selected panels are deleted from your storyboard.