twisted-web2 - http://aur.archlinux.org/packages.php?ID=25291 Duplicate of "twisted-web2" package in Community. merkaartor-complete - http://aur.archlinux.org/packages.php?ID=25595 Duplicate of "merkaartor" package in AUR (with broken source link). mplayer-mt-git-oss - http://aur.archlinux.org/packages.php?ID=27055 Duplicate of "mplayer-mt-oss-git" (see comment). libsipphoneapi-oss - http://aur.archlinux.org/packages.php?ID=6186 It seems that it's not needed now. stepmania-cvs-extras - http://aur.archlinux.org/packages.php?ID=4567 Broken links, replaced by "stepmania-extras" package. mp-qt4 - http://aur.archlinux.org/packages.php?ID=29243 mp-gtk - http://aur.archlinux.org/packages.php?ID=29242 Copies of "mp-5" and "mp-5-gtk" packages (see comments). mozilla-firefox-thai - http://aur.archlinux.org/packages.php?ID=6334 xulrunner-thai - http://aur.archlinux.org/packages.php?ID=6904 thunderbird-nightly-it - http://aur.archlinux.org/packages.php?ID=9962 These packages are for old versions of Firefox and Thunderbird. perl-date-korean - http://aur.archlinux.org/packages.php?ID=23040 lua-docs - http://aur.archlinux.org/packages.php?ID=26840&detail=1 libtheora-thusnelda-svn - http://aur.archlinux.org/packages.php?ID=28831 pcfinancial-workaround - http://aur.archlinux.org/packages.php?ID=24634 Maintainers wrote that these packages may be deleted (see comments). kmess_blue_ei - http://aur.archlinux.org/packages.php?ID=2017 kmess_cartoon_ei - http://aur.archlinux.org/packages.php?ID=2018 kmess_crystal_ei - http://aur.archlinux.org/packages.php?ID=2019 kmess_violet_ei - http://aur.archlinux.org/packages.php?ID=2020 kmess_yellow_ei - http://aur.archlinux.org/packages.php?ID=2021 kmess_crystal_ic - http://aur.archlinux.org/packages.php?ID=2022 These packages are very old: broken source links, wrong paths in build section. It's simplier to create a new package with themes, than update these.