Alad [1] filed a deletion request for haskell-aur [2]: Package has dependencies that are unsatisfiable from both AUR and Arch repositories, requiring an unoffical repository. Maintainer is aware of this since 3 years. [1] [1] https://bbs.archlinux.org/viewtopic.php?pid=1661920#p1661920 [1] https://aur.archlinux.org/account/Alad/ [2] https://aur.archlinux.org/pkgbase/haskell-aur/