MarsSeed [1] filed a deletion request for compizconfig-backend- kconfig4 [2]: Broken, unused Qt4/KDE4 package from 2015. Upstream and source URL leads to nonexistent server (connection timeout). There's also no KDE4 desktop environment available on Arch/AUR. And KDE4's AUR/kdelibs has been unbuildable for almost a year. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/compizconfig-backend-kconfig4/