Lone_Wolf [1] filed a deletion request for openmw-mt-git [2]: This temporary pacakge is no longer needed. https://aur.archlinux.org/packages/openmw-git maintainer changed dependency to bullet-multithreaded as asked and openmw-git now builds again. [1] https://aur.archlinux.org/account/Lone_Wolf/ [2] https://aur.archlinux.org/pkgbase/openmw-mt-git/