What’s the name of the option that flushes all unused instruments and samples in a song? I can’t find it anywhere, but I’m not looking for it the right way because I don’t know what the option is called.
Wow. I would never have found that.
It’d be cool if this was an option in one of the pulldown menus at the top.
And thanks 
Go to Edit > Delete Unused Instruments
You mean like that?