[opensuse-kde] Ghost screen when setting multiple monitors

I'm on Leap 42.1, Plasma 5.5.1, KF 5.19.0, Qt 5.5.1. I commonly use multiple monitors. But when I open the settings (see attached file). Laptop Screen is notebook screen. OK. VGA2 is attached external monitor. OK. But what is supposed to be VGA-1-1? I have no third screen. KDE really things it is real screen, it can place windows there and so on. So I disabled it. But I have no idea where it came from. Any idea how to get out of it? -- Vojtěch Zeisek Komunita openSUSE GNU/Linuxu Community of the openSUSE GNU/Linux https://www.opensuse.org/ https://trapa.cz/