MarsSeed [1] filed a deletion request for gtk-sharp-2-git [2]: Upstream maintenance ceased since March 2021. [a] No need to keep this VCS package. Repo carries the last stable gtk-sharp-2 release. [a]: https://github.com/mono/gtk-sharp/tree/gtk-sharp-2-12-branch [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/gtk-sharp-2-git/