As proposed by @velvetfoot , the 'Rebuild Netwok' button (available on C-8 models only!) will most probably purge these non-existent device IDs from the map.
BTW, the Tuya Zigbee Curtain Switches are (should be) already supported in the community Zemismart Zigbee Blind driver. If you have not tossed it too far away, you can try again .. : )
