Stop Auto Creating Audio Tracks

I have seen lots of people asking the same question but never a successful answer. I have a whole bunch of Multicam sequences that my AE has created all with 26 channels of audio. I want to keep those tracks in the multicam sequences in case I need to access them later on BUT I am only interested in the first two for now. When I try to edit them into my sequence (which I have set to 8 tracks of audio) Premiere automatically adds the other tracks into my sequence. I can manually go and delete thos track again but it's a huge PITA. Why isn't there a way to stop Premiere from creating those tracks? Like alt clicking the little + symbol to turn it into a - or a LOCK symbol so it doesn't happen.

Am I missing some obvious trick here? I know I can cull extra tracks in the Muticam setup but it's a lot of extra work when I have over 200 multicam sequences.