MarsSeed [1] filed a deletion request for mate-settings-daemon-gtk2 [2]: Broken, discontinued Gtk2 version from 2017. Fails to build from source. Not useful to keep. Extra repo carries the latest, working version of mate-settings-daemon. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/mate-settings-daemon-gtk2/