@totalrando You can remove unworking bluetooth devices pairings.
Open the terminal, type bluetoothctl, than type remove (mac address).
Than you can make a fresh new pairing of your devices in the usual way.

Thank you, I was looking for something like this. I had a few devices that had the "forget this device" greyed out, and they would auto-connect (without actually connecting) so I couldn't remove them to try and correctly add them, this way I got them cleared out. Thanks again!