Edit map (delete a part of the map)

Morning!

I would like to know if its posible to delete a little part of a created map.

I tried but i couldnt so i created a entire new map, but, again, i want to delete a little part of this new map. I dont want to create a new map. I just wonder how can i do. Thanks!

Regards,

Martín.

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My experience is that You can delete only the whole map.
BUT
You can mark part[s] of map as 'no-go-area' (or how ever it has called)
to prevent normal mowing.

Hello, it is not possible to delete a little part of the map.

You can set the extra areas as No-go Zone.