The message There's now an [X] button with which to close the message. It also goes away by itself when you log in. There have been many complaints about it and I'm pretty sure that as soon as someone submits If neither of these work for you, consider a patch to add an [X] button to close the message it will be happily accepted. No such patch has been submitted yet though.GreaseMonkey script like this: // ==UserScript== // @name Remove OSM welcome box // @include http://www.openstreetmap.org/* // ==/UserScript== var welcome = $("div.welcome"); if (welcome) welcome.remove ();

The message goes away when you log in. There have been many complaints about it and I'm pretty sure that as soon as someone submits a patch to add an [X] button to close the message it will be happily accepted. No such patch has been submitted yet though.