3 years ago I prepared returns in 2 states - now I no longer need those states - how do I uninstall them?
You can try to clear them:
https://ttlc.intuit.com/replies/3450510
If that does not work you will have to contact someone. However, having those states won't effect anything if you don't need them anymore.
https://ttlc.intuit.com/replies/3301774