Formation usage

Is there a way to remove or zero out a formation so it isn't used? The main thing for me is to not use 3-4. Want to use 4-3 only as base defense. Is there a way to make that happen?
https://www.draftdaysports.com/board/
https://www.draftdaysports.com/board/viewtopic.php?f=353&t=35436
Brooks_Piggott wrote:You'd have to set up custom playbooks that didn't include 3-4 defense plays in them. Otherwise the coaches tend to mix and match across formations... just weighted towards their preferences.