Alad [1] filed a deletion request for archlinux-nix [2]: nix is now in [community]. Queries to the maintainer regarding any remaining use of this AUR version, versus the drawbacks of using it in conjunction with the repository package, have been left unanswered since January: https://github.com/asppsa/archlinux-nix/issues/19 [1] https://aur.archlinux.org/account/Alad/ [2] https://aur.archlinux.org/pkgbase/archlinux-nix/