How to hide specific sub-genres?

when I add a album, Roon will automatically add artists and album producers, resulting in many genres or sub-genres that do not contain albums,there are only artists under these genres, it makes my interface look messy, and hard to find the album what I really want. I have tried Roon settings, but doesn’t work. so how can I hide or delete these useless genres or sub-genres, it drives me crazy!

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