Drum notation problems

I’m having some problems with the drum notation. Ideally I love to be able to write drum notation all in one voice but for the moment I can’t figure out how to make this 2nd fermata go away.

Hi @aural_sandpaper , your Setup is not clear to me, from the screenshot. Can you share a cut-down Dorico file?

Did you try with this property setting for the fermata? (Max. fermatas per staff):

And (for the single voice thing) this Notation option (if you use a drum set kit) (Use single voice):