You might have to update state manual as described in the last section here: https://www.home-assistant.io/docs/z-wave/adding/
- Go to the States menu under Developer tools in the Home Assistant frontend
- Click on the name of the zwave. entity you want to remove
- At the top, edit the JSON attributes to replace false with true for “is_failed”: false, so that it reads “is_failed”: true,
- Click Set State
- Go to the Z-Wave control panel in the Home Assistant frontend
- Click the Remove Failed Node button in the Z-Wave Network Management card
- The device will now be removed, but that won’t show until you restart Home Assistant