There will come a time when you no longer need a particular map and you wish to delete it.
Click on 'Maps' in the main menu bar.
Click on the checkbox in the top left corner of the map summary (in Thumbnail view).
Click on the checkbox on the row within the table (in Details view).
A new sub-menu will have appeared at the top left.
The delete button is on the sub-menu at the top left.
A confirmation box will appear. Click OK to delete the maps otherwise click cancel.
Your maps will disappear from your personal folder.