Mute/Delete possible on JJ?

Is there a way to delete muted tracks in a sequence on JJ? On the 2kxl you can copy a pattern mute out some tracks, open window and delete the muted tracks to create a variation, it seems akai left this out on the 2500 OS but if JJ can do this then I will get it. So can it? If not then what is the best way to do drops, breakdowns etc without having to delete each track manually?

Cheers

Phat Phace