6.18 Removing Elements From The Timeline/Workbench
Highlight the element(s) you want to remove using your mouse and/or keyboard. When you have made your selection, press the backspace key on your keyboard to remove the selected element(s).
If you select an element which is already loaded on the timeline, it will be removed from the timeline. All selected elements not loaded on the timeline will be removed from the workbench. Press the backspace key two times to delete an element which is already loaded on the timeline. It will then be removed from the timeline and the workbench.