List of files mentioning Qt4:

• nixos/modules/i18n/input-method/uim.nix
• nixos/modules/programs/ccache.nix
• nixos/modules/programs/environment.nix
• pkgs/applications/altcoins/bitcoin-unlimited.nix
• pkgs/applications/altcoins/bitcoin-xt.nix
• pkgs/applications/altcoins/btc1.nix
• pkgs/applications/altcoins/dogecoin.nix
• pkgs/applications/altcoins/freicoin.nix
• pkgs/applications/altcoins/litecoin.nix
• pkgs/applications/altcoins/memorycoin.nix
• pkgs/applications/altcoins/namecoin.nix
• pkgs/applications/altcoins/primecoin.nix
• pkgs/applications/altcoins/zcash/default.nix
• pkgs/applications/audio/cantata/default.nix
• pkgs/applications/audio/clementine/default.nix clementine: 1.3.1 -> 1.4.0rc1, switch to Qt 5, fix build #89821
• pkgs/applications/audio/faust/faust2alqt.nix
• pkgs/applications/audio/faust/faust2jaqt.nix
• pkgs/applications/audio/faust/faust2lv2.nix
• pkgs/applications/audio/google-musicmanager/default.nix
• pkgs/applications/audio/hydrogen/default.nix
• pkgs/applications/audio/hydrogen/0.nix
• pkgs/applications/audio/jackmix/default.nix
• pkgs/applications/audio/kid3/default.nix
• pkgs/applications/audio/mixxx/default.nix
• pkgs/applications/audio/pianobooster/default.nix
• pkgs/applications/audio/picard/default.nix
• pkgs/applications/audio/projectm/default.nix projectm: adopt, Qt{4->5}, {2->3}1.3, patch rpath, clean-up closure #82427 clementine: 1.3.1 -> 1.4.0rc1, switch to Qt 5, fix build #89821
• pkgs/applications/audio/puddletag/default.nix puddletag: 1.2.0 -> 2.0.1 #96645
• pkgs/applications/audio/qmidiroute/default.nix
• pkgs/applications/audio/qtractor/default.nix
• pkgs/applications/audio/qtscrobbler/default.nix
• pkgs/applications/audio/soundscape-renderer/default.nix
• pkgs/applications/audio/tomahawk/default.nix
• pkgs/applications/audio/vmpk/default.nix
• pkgs/applications/display-managers/lightdm/default.nix
• pkgs/applications/editors/texmacs/default.nix
• pkgs/applications/editors/texmaker/default.nix
• pkgs/applications/editors/texstudio/default.nix
• pkgs/applications/editors/vim/qvim.nix qvim: drop it #96768
• pkgs/applications/gis/qgis/default.nix
• pkgs/applications/graphics/djview/default.nix
• pkgs/applications/graphics/fontmatrix/default.nix
• pkgs/applications/graphics/freecad/default.nix
• pkgs/applications/graphics/ipe/default.nix
• pkgs/applications/graphics/leocad/default.nix
• pkgs/applications/graphics/openscad/default.nix
• pkgs/applications/graphics/photivo/default.nix
• pkgs/applications/graphics/qscreenshot/default.nix
• pkgs/applications/graphics/qtpfsgui/default.nix
• pkgs/applications/graphics/scantailor/default.nix
• pkgs/applications/graphics/screencloud/default.nix
• pkgs/applications/graphics/smartdeblur/default.nix
• pkgs/applications/misc/bibletime/default.nix
• pkgs/applications/misc/bitcoinarmory/default.nix
• pkgs/applications/misc/confclerk/default.nix
• pkgs/applications/misc/diffpdf/default.nix
• pkgs/applications/misc/diffpdf/fix_path_poppler_qt4.patch
• pkgs/applications/misc/doomseeker/default.nix
• pkgs/applications/misc/electrum-dash/default.nix
• pkgs/applications/misc/electrum-ltc/default.nix
• pkgs/applications/misc/evopedia/default.nix
• pkgs/applications/misc/fbreader/default.nix
• pkgs/applications/misc/gnuradio/default.nix
• pkgs/applications/misc/googleearth/default.nix
• pkgs/applications/misc/keepassx/2.0.nix
• pkgs/applications/misc/keepassx/default.nix
• pkgs/applications/misc/librecad/default.nix
• pkgs/applications/misc/multimon-ng/default.nix
• pkgs/applications/misc/navipowm/default.nix
• pkgs/applications/misc/navit/default.nix
• pkgs/applications/misc/open-pdf-presenter/default.nix
• pkgs/applications/misc/qlcplus/default.nix
• pkgs/applications/misc/qmetro/default.nix
• pkgs/applications/misc/qpdfview/default.nix
• pkgs/applications/misc/rescuetime/default.nix
• pkgs/applications/misc/sqliteman/default.nix
• pkgs/applications/misc/tpmmanager/default.nix
• pkgs/applications/misc/vym/default.nix
• pkgs/applications/misc/xautoclick/default.nix
• pkgs/applications/misc/xkblayout-state/default.nix
• pkgs/applications/misc/yate/default.nix
• pkgs/applications/misc/yubioath-desktop/default.nix
• pkgs/applications/networking/browsers/arora/default.nix
• pkgs/applications/networking/ike/default.nix
• pkgs/applications/networking/instant-messengers/blink/default.nix
• pkgs/applications/networking/instant-messengers/psi/default.nix
• pkgs/applications/networking/instant-messengers/pybitmessage/default.nix
• pkgs/applications/networking/instant-messengers/skype-call-recorder/default.nix
• pkgs/applications/networking/instant-messengers/vacuum/default.nix
• pkgs/applications/networking/mumble/default.nix
• pkgs/applications/networking/ostinato/default.nix
• pkgs/applications/networking/p2p/eiskaltdcpp/default.nix
• pkgs/applications/networking/remote/teamviewer/default.nix
• pkgs/applications/networking/remote/x2goclient/default.nix
• pkgs/applications/networking/sync/backintime/qt4.nix - backintime-qt4: unbreak #102417
• pkgs/applications/office/libreoffice/default.nix - libreoffice-qt: init at 6.4.3.2 #89395
• pkgs/applications/office/libreoffice/still.nix
• pkgs/applications/office/qnotero/default.nix
• pkgs/applications/office/scribus/default.nix
• pkgs/applications/office/tagainijisho/default.nix
• pkgs/applications/science/chemistry/avogadro/default.nix
• pkgs/applications/science/electronics/qfsm/default.nix
• pkgs/applications/science/electronics/qucs/default.nix
• pkgs/applications/science/medicine/aliza/default.nix
• pkgs/applications/science/misc/gplates/default.nix
• pkgs/applications/science/misc/openmodelica/default.nix
• pkgs/applications/science/misc/tulip/default.nix
• pkgs/applications/science/misc/vite/default.nix
• pkgs/applications/science/robotics/gazebo/default.nix
• pkgs/applications/search/recoll/default.nix
• pkgs/applications/version-management/git-and-tools/git-cola/default.nix
• pkgs/applications/version-management/git-and-tools/svn2git-kde/default.nix
• pkgs/applications/version-management/guitone/default.nix
• pkgs/applications/version-management/tortoisehg/default.nix
• pkgs/applications/video/avidemux/default.nix
• pkgs/applications/video/avidemux/wrapper.nix
• pkgs/applications/video/avxsynth/default.nix
• pkgs/applications/video/clipgrab/default.nix
• pkgs/applications/video/linuxstopmotion/default.nix
• pkgs/applications/video/makemkv/default.nix
• pkgs/applications/video/minitube/default.nix
• pkgs/applications/video/mythtv/default.nix
• pkgs/applications/video/natron/default.nix
• pkgs/applications/video/qgifer/default.nix
• pkgs/applications/video/recordmydesktop/qt.nix
• pkgs/applications/video/simplescreenrecorder/default.nix
• pkgs/applications/video/vlc/default.nix
• pkgs/development/compilers/eql/default.nix
• pkgs/development/libraries/aqbanking/gwenhywfar.nix
• pkgs/development/libraries/attica/default.nix
• pkgs/development/libraries/audio/suil/default.nix
• pkgs/development/libraries/avahi/default.nix
• pkgs/development/libraries/dssi/default.nix
• pkgs/development/libraries/grantlee/default.nix
• pkgs/development/libraries/gstreamer/legacy/qt-gstreamer/default.nix
• pkgs/development/libraries/gstreamer/qt-gstreamer/default.nix
• pkgs/development/libraries/libbluedevil/default.nix
• pkgs/development/libraries/libdbusmenu-qt/default.nix
• pkgs/development/libraries/libechonest/default.nix
• pkgs/development/libraries/libjreen/default.nix
• pkgs/development/libraries/liblastfm/default.nix
• pkgs/development/libraries/libqglviewer/default.nix
• pkgs/development/libraries/ntrack/default.nix
• pkgs/development/libraries/opencascade/default.nix
• pkgs/development/libraries/openscenegraph/default.nix
• pkgs/development/libraries/phonon/backends/gstreamer.nix
• pkgs/development/libraries/phonon/backends/vlc.nix
• pkgs/development/libraries/phonon/default.nix
• pkgs/development/libraries/physics/geant4/default.nix
• pkgs/development/libraries/polkit-qt-1/qt-4.nix
• pkgs/development/libraries/poppler/default.nix
• pkgs/development/libraries/prison/default.nix
• pkgs/development/libraries/qimageblitz/default.nix
• pkgs/development/libraries/qjson/default.nix
• pkgs/development/libraries/qscintilla/default.nix
• pkgs/development/libraries/qt-4.x/4.8/default.nix
• pkgs/development/libraries/qt-4.x/4.8/qmake-hook.sh
• pkgs/development/libraries/qt-5/modules/qtbase.nix
• pkgs/development/libraries/qtkeychain/default.nix
• pkgs/development/libraries/qt-mobility/default.nix
• pkgs/development/libraries/qtscriptgenerator/default.nix
• pkgs/development/libraries/qwt/6_qt4.nix
• pkgs/development/libraries/qwt/default.nix
• pkgs/development/libraries/qxt/default.nix
• pkgs/development/libraries/soprano/default.nix
• pkgs/development/libraries/soqt/default.nix
• pkgs/development/libraries/strigi/default.nix
• pkgs/development/libraries/torch/default.nix
• pkgs/development/libraries/wt/default.nix
• pkgs/development/python-modules/matplotlib/default.nix
• pkgs/development/python-modules/pykde4/default.nix
• pkgs/development/python-modules/pykde4/kdelibs.nix
• pkgs/development/python-modules/pyqt/4.x.nix
• pkgs/development/python-modules/pyside/apiextractor.nix
• pkgs/development/python-modules/pyside/default.nix
• pkgs/development/python-modules/pyside/generatorrunner.nix
• pkgs/development/python-modules/pyside/shiboken.nix
• pkgs/development/python-modules/pyside/tools.nix
• pkgs/development/r-modules/default.nix
• pkgs/development/ruby-modules/gem-config/default.nix
• pkgs/development/tools/analysis/snowman/default.nix
• pkgs/development/tools/analysis/valkyrie/default.nix
• pkgs/development/tools/build-managers/cmake/2.8.nix
• pkgs/development/tools/build-managers/cmake/default.nix
• pkgs/development/tools/documentation/doxygen/default.nix
• pkgs/development/tools/misc/automoc4/default.nix
• pkgs/development/tools/misc/gede/default.nix
• pkgs/development/tools/misc/xxdiff/default.nix
• pkgs/development/tools/profiling/oprofile/default.nix
• pkgs/games/anki/default.nix
• pkgs/games/anki/fix-paths.patch
• pkgs/games/gambatte/default.nix
• pkgs/games/hedgewars/default.nix
• pkgs/games/holdingnuts/default.nix
• pkgs/games/mnemosyne/default.nix
• pkgs/games/openmw/default.nix
• pkgs/games/pokerth/default.nix
• pkgs/games/sdlmame/default.nix
• pkgs/misc/drivers/hplip/3.16.11.nix
• pkgs/misc/frescobaldi/default.nix
• pkgs/misc/gnash/default.nix
• pkgs/os-specific/linux/ffado/default.nix
• pkgs/os-specific/linux/i7z/default.nix
• pkgs/os-specific/linux/wpa_supplicant/gui.nix
• pkgs/os-specific/windows/jom/default.nix
• pkgs/tools/audio/acoustid-fingerprinter/default.nix
• pkgs/tools/cd-dvd/unetbootin/default.nix
• pkgs/tools/graphics/nifskope/default.nix
• pkgs/tools/graphics/pfstools/default.nix
• pkgs/tools/graphics/wkhtmltopdf/default.nix
• pkgs/tools/graphics/zbar/default.nix
• pkgs/tools/inputmethods/fcitx-engines/fcitx-libpinyin/default.nix
• pkgs/tools/inputmethods/fcitx/unwrapped.nix
• pkgs/tools/inputmethods/ibus/ibus-qt.nix
• pkgs/tools/inputmethods/touchegg/default.nix
• pkgs/tools/inputmethods/uim/default.nix
• pkgs/tools/misc/qjoypad/default.nix
• pkgs/tools/misc/yubikey-personalization-gui/default.nix
• pkgs/tools/security/meo/default.nix
• pkgs/tools/security/omapd/default.nix
• pkgs/tools/text/qshowdiff/default.nix
• pkgs/top-level/all-packages.nix
• pkgs/top-level/python-packages.nix

git grep qt4 | cut -d: -f1 | sort | uniq | awk '{ print "* [ ] " $0; }'

Moved from #33239.

/cc @adisbladis @orivej @peterhoeg