Gramajo, go to 'Notifications' at the top of to page and click it, then click on 'inbox'. It will bring up the list of PM's in your inbox. Go down to the bottom of the list. To the extreme right of each message there is a square box. Click on it and there will be a tick in the box Go up the list of PMs and tick each one you want to delete. When you have finished the list go back to the bottom of the list, there is a blue box that says 'selected messages' click on that box and some options appear. The second one is 'delete', click on that, then on 'proceed' and you messages will disappear. Hope this helps.