Deleting Groups One or all groups can be deleted at a time. Deleting a group cannot be undone. To delete a single group, do one of the following: In the Mix window, click the Group ID indicator on a track and choose Delete from the pop-up menu. β or β Right-click the Group name in the Group List and choose Delete from the pop-up menu. To delete all currently active groups Choose Delete Active Groups from the Group List menu. The βAllβ group cannot be deleted.