You can delete a location if you go to “Settings” followed by “Smartplan Settings” and “Locations”:

Then you can click "Hide" on the location you wish to delete and then click on “Delete location and content”:

If you only click "Hide" on the location, the location will just be hidden on the account, and it will still be there so you can find it again.

A hidden location will not appear under Rotas.

OBS: You can only delete and hide a location, if there is no active rotas in it. If you click "Hide" on a location with active rotas in it, Smartplan will tell you this:

You can also hide a location, when you are on the "Rotas"-page. You hide the location by clicking "Hide location", which is found on the right side of the screen: