Lone_Wolf [1] filed a deletion request for bullet-multithreaded [2]: The functionality provided by this package is now present in https://archlinux.org/packages/extra/x86_64/bullet-dp/ . The main user of bullet-multithreaded, openmw-git has switched successfully to bullet-dp. Please delete the pkgbase. [1] https://aur.archlinux.org/account/Lone_Wolf/ [2] https://aur.archlinux.org/pkgbase/bullet-multithreaded/