Remove rooms from map

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My robot vacuum created rooms on the map by looking through the window.
How can I remove the rooms from the map?
Inside the red line is my house

I had the same when I had the door open. The only way is to restore the map. So I keep a backup at the ready. Since the update it seems to keep thinking the carpet area is a low hight area and so it also gets lost and now thinks the room is much bigger. It shows it somewhere completely different to where it is and again I have to keep restoring the map.

Hello, removing rooms from the map is not supported at this time.
You can have the robot perform a global cleaning task to update the map or restore the backup map. Please remember to cover mirrors and highly reflective surfaces so that the map will be more accurate.

Partition the rooms and hide them from the map