MarsSeed [1] filed a deletion request for bind-development [2]: Abandoned and outdated. I think it's enough to keep the maintained Arch/extra/bind [a] and AUR/bind-git. [b] [a]: https://archlinux.org/packages/?q=bind [b]: https://aur.archlinux.org/packages/bind-git [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/bind-development/