How do I hide archives?

Hi How do I hide archives and search? I would expect it to be disabling the widgets, but if I place them in inactive nothings changes (and I can place as many copies there as I'd like - is that right, are there not supposed to be only one copy of each widget?). I also figured it might be because I'd disabled the part of the screen where the archives and search widgets are supposed to be located (I did that with the mainmenu), but that doesn't seem to be the case either. I'm lost Best regards Poul