treewide: remove enableParallelBuilding = true if using cmake

110 files changed, 6 insertions, 216 deletions

diff --git a/pkgs/applications/audio/cantata/default.nix b/pkgs/applications/audio/cantata/default.nix
index 85806ca9a0d..bbdcbc21b78 100644
--- a/pkgs/applications/audio/cantata/default.nix
+++ b/pkgs/applications/audio/cantata/default.nix
@@ -75,8 +75,6 @@ in mkDerivation {
 
   nativeBuildInputs = [ cmake pkgconfig qttools ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = lib.flatten [
     (fstats withTaglib        [ "TAGLIB" "TAGLIB_EXTRAS" ])
     (fstats withReplaygain    [ "FFMPEG" "MPG123" "SPEEXDSP" ])
diff --git a/pkgs/applications/audio/clementine/default.nix b/pkgs/applications/audio/clementine/default.nix
index d9d1a11ce1d..042d5b4b13a 100644
--- a/pkgs/applications/audio/clementine/default.nix
+++ b/pkgs/applications/audio/clementine/default.nix
@@ -79,8 +79,6 @@ let
       "-DSPOTIFY_BLOB=OFF"
     ];
 
-    enableParallelBuilding = true;
-
     passthru.unfree = unfree;
 
     postInstall = ''
@@ -122,7 +120,7 @@ let
         ln -s "${free}/share/$dir" "$out/share/$dir"
       done
     '';
-    enableParallelBuilding = true;
+
     meta = with stdenv.lib; {
       homepage = "https://www.clementine-player.org";
       description = "Spotify integration for Clementine";
diff --git a/pkgs/applications/audio/csound/default.nix b/pkgs/applications/audio/csound/default.nix
index d91e550334b..e7d264675e2 100644
--- a/pkgs/applications/audio/csound/default.nix
+++ b/pkgs/applications/audio/csound/default.nix
@@ -19,8 +19,6 @@ stdenv.mkDerivation rec {
   # version and remove fluidsynth 1.x from nixpkgs again.
   version = "6.15.0";
 
-  enableParallelBuilding = true;
-
   hardeningDisable = [ "format" ];
 
   src = fetchFromGitHub {
diff --git a/pkgs/applications/audio/kid3/default.nix b/pkgs/applications/audio/kid3/default.nix
index f4f76d2030e..84894aeee5c 100644
--- a/pkgs/applications/audio/kid3/default.nix
+++ b/pkgs/applications/audio/kid3/default.nix
@@ -28,8 +28,6 @@ stdenv.mkDerivation rec {
     export DOCBOOKDIR="${docbook_xsl}/xml/xsl/docbook/"
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A simple and powerful audio tag editor";
     longDescription = ''
diff --git a/pkgs/applications/audio/lmms/default.nix b/pkgs/applications/audio/lmms/default.nix
index b01c4055e40..8513c1aae78 100644
--- a/pkgs/applications/audio/lmms/default.nix
+++ b/pkgs/applications/audio/lmms/default.nix
@@ -37,7 +37,6 @@ mkDerivation rec {
   ];
 
   cmakeFlags = [ "-DWANT_QT5=ON" ];
-  enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
     description = "DAW similar to FL Studio (music production software)";
diff --git a/pkgs/applications/audio/qmmp/default.nix b/pkgs/applications/audio/qmmp/default.nix
index e6f41711fdf..2863ae3a61c 100644
--- a/pkgs/applications/audio/qmmp/default.nix
+++ b/pkgs/applications/audio/qmmp/default.nix
@@ -51,8 +51,6 @@ mkDerivation rec {
       libsamplerate
     ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Qt-based audio player that looks like Winamp";
     homepage = "http://qmmp.ylsoftware.com/";
diff --git a/pkgs/applications/audio/radiotray-ng/default.nix b/pkgs/applications/audio/radiotray-ng/default.nix
index 014906594a7..8b61bc07a69 100644
--- a/pkgs/applications/audio/radiotray-ng/default.nix
+++ b/pkgs/applications/audio/radiotray-ng/default.nix
@@ -80,8 +80,6 @@ stdenv.mkDerivation rec {
     "-DBUILD_TESTS=${if doCheck then "ON" else "OFF"}"
   ];
 
-  enableParallelBuilding = true;
-
   checkInputs = [ gtest ];
   doCheck = !stdenv.isAarch64; # single failure that I can't explain
 
diff --git a/pkgs/applications/audio/rosegarden/default.nix b/pkgs/applications/audio/rosegarden/default.nix
index 8bda179df14..416f4906d6e 100644
--- a/pkgs/applications/audio/rosegarden/default.nix
+++ b/pkgs/applications/audio/rosegarden/default.nix
@@ -33,8 +33,6 @@ stdenv.mkDerivation (rec {
     alsaLib
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://www.rosegardenmusic.com/";
     description = "Music composition and editing environment";
diff --git a/pkgs/applications/audio/soundkonverter/default.nix b/pkgs/applications/audio/soundkonverter/default.nix
index 992dd728e76..e8704ff6191 100644
--- a/pkgs/applications/audio/soundkonverter/default.nix
+++ b/pkgs/applications/audio/soundkonverter/default.nix
@@ -62,7 +62,7 @@ mkDerivation rec {
       stripLen = 1;
     })
   ];
-  enableParallelBuilding = true;
+
   nativeBuildInputs = [ cmake extra-cmake-modules pkgconfig kdelibs4support makeWrapper ];
   propagatedBuildInputs = [ libkcddb kconfig kconfigwidgets ki18n kdelibs4support kio solid kwidgetsaddons kxmlgui qtbase phonon];
   buildInputs = [ taglib ] ++ runtimeDeps;
diff --git a/pkgs/applications/audio/traverso/default.nix b/pkgs/applications/audio/traverso/default.nix
index 63ba44bec35..94bce19b7e1 100644
--- a/pkgs/applications/audio/traverso/default.nix
+++ b/pkgs/applications/audio/traverso/default.nix
@@ -18,7 +18,6 @@ mkDerivation {
 
   cmakeFlags = [ "-DWANT_PORTAUDIO=1" "-DWANT_PULSEAUDIO=1" "-DWANT_MP3_ENCODE=1" "-DWANT_LV2=0" ];
 
-  enableParallelBuilding = true;
   hardeningDisable = [ "format" ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/applications/blockchains/bitcoin-abc.nix b/pkgs/applications/blockchains/bitcoin-abc.nix
index 81825d3d5b0..d2b69a32ab5 100644
--- a/pkgs/applications/blockchains/bitcoin-abc.nix
+++ b/pkgs/applications/blockchains/bitcoin-abc.nix
@@ -32,8 +32,6 @@ mkDerivation rec {
     find ./. -type f -iname "*.sh" -exec chmod +x {} \;
   '';
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "Peer-to-peer electronic cash system (Cash client)";
     longDescription= ''
diff --git a/pkgs/applications/blockchains/dero.nix b/pkgs/applications/blockchains/dero.nix
index 8aa693d2871..373170fe8ff 100644
--- a/pkgs/applications/blockchains/dero.nix
+++ b/pkgs/applications/blockchains/dero.nix
@@ -15,8 +15,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [ boost miniupnpc openssl lmdb unbound readline ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "Secure, private blockchain with smart contracts based on Monero";
     homepage = "https://dero.io/";
diff --git a/pkgs/applications/blockchains/masari.nix b/pkgs/applications/blockchains/masari.nix
index dfa005abb6e..25301a87aea 100644
--- a/pkgs/applications/blockchains/masari.nix
+++ b/pkgs/applications/blockchains/masari.nix
@@ -15,8 +15,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [ boost miniupnpc openssl lmdb unbound readline ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "scalability-focused, untraceable, secure, and fungible cryptocurrency using the RingCT protocol";
     homepage = "https://www.getmasari.org/";
diff --git a/pkgs/applications/blockchains/sumokoin.nix b/pkgs/applications/blockchains/sumokoin.nix
index beb294d2dfe..ee817b58195 100644
--- a/pkgs/applications/blockchains/sumokoin.nix
+++ b/pkgs/applications/blockchains/sumokoin.nix
@@ -23,8 +23,6 @@ stdenv.mkDerivation rec {
     "-DLMDB_INCLUDE=${lmdb}/include"
   ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "A fork of Monero and a truely fungible cryptocurrency";
     homepage = "https://www.sumokoin.org/";
diff --git a/pkgs/applications/editors/aseprite/default.nix b/pkgs/applications/editors/aseprite/default.nix
index 4ba8932fec2..b44dc7c6d4f 100644
--- a/pkgs/applications/editors/aseprite/default.nix
+++ b/pkgs/applications/editors/aseprite/default.nix
@@ -96,8 +96,6 @@ stdenv.mkDerivation rec {
     rm -rf "$out"/include "$out"/lib
   '';
 
-  enableParallelBuilding = true;
-
   passthru = { inherit skia; };
 
   meta = with lib; {
diff --git a/pkgs/applications/editors/neovim/default.nix b/pkgs/applications/editors/neovim/default.nix
index b546aae790a..b4ad25f60c2 100644
--- a/pkgs/applications/editors/neovim/default.nix
+++ b/pkgs/applications/editors/neovim/default.nix
@@ -48,7 +48,6 @@ in
     ];
 
     dontFixCmake = true;
-    enableParallelBuilding = true;
 
     buildInputs = [
       gperf
diff --git a/pkgs/applications/editors/neovim/qt.nix b/pkgs/applications/editors/neovim/qt.nix
index 323f08c23f8..5a75a9284f0 100644
--- a/pkgs/applications/editors/neovim/qt.nix
+++ b/pkgs/applications/editors/neovim/qt.nix
@@ -27,8 +27,6 @@ let
 
     nativeBuildInputs = [ cmake doxygen ];
 
-    enableParallelBuilding = true;
-
     preCheck = ''
       # The GUI tests require a running X server, disable them
       sed -i ../test/CMakeLists.txt \
diff --git a/pkgs/applications/editors/rstudio/default.nix b/pkgs/applications/editors/rstudio/default.nix
index 3fe845a067b..97e8378d94e 100644
--- a/pkgs/applications/editors/rstudio/default.nix
+++ b/pkgs/applications/editors/rstudio/default.nix
@@ -109,8 +109,6 @@ mkDerivation rec {
       popd
     '';
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [ "-DRSTUDIO_TARGET=Desktop" "-DQT_QMAKE_EXECUTABLE=$NIX_QT5_TMP/bin/qmake" ];
 
   desktopItem = makeDesktopItem {
diff --git a/pkgs/applications/editors/sigil/default.nix b/pkgs/applications/editors/sigil/default.nix
index 18437f5ff49..6bf1ca5ada3 100644
--- a/pkgs/applications/editors/sigil/default.nix
+++ b/pkgs/applications/editors/sigil/default.nix
@@ -36,8 +36,6 @@ mkDerivation rec {
        ''${qtWrapperArgs[@]}
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Free, open source, multi-platform ebook (ePub) editor";
     homepage = "https://github.com/Sigil-Ebook/Sigil/";
diff --git a/pkgs/applications/editors/texmacs/default.nix b/pkgs/applications/editors/texmacs/default.nix
index 9c37d00c9ee..f967f28f4df 100644
--- a/pkgs/applications/editors/texmacs/default.nix
+++ b/pkgs/applications/editors/texmacs/default.nix
@@ -31,8 +31,6 @@ mkDerivation {
     sha256 = "04585hdh98fvyhj4wsxf69xal2wvfa6lg76gad8pr6ww9abi5105";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [
     guile_1_8
diff --git a/pkgs/applications/graphics/antimony/default.nix b/pkgs/applications/graphics/antimony/default.nix
index 363f3b8c84d..95be29abba5 100644
--- a/pkgs/applications/graphics/antimony/default.nix
+++ b/pkgs/applications/graphics/antimony/default.nix
@@ -40,8 +40,6 @@ in
       "-DGITBRANCH=${gitBranch}"
     ];
 
-    enableParallelBuilding = true;
-
     meta = with stdenv.lib; {
       description = "A computer-aided design (CAD) tool from a parallel universe";
       homepage    = "https://github.com/mkeeter/antimony";
diff --git a/pkgs/applications/graphics/digikam/default.nix b/pkgs/applications/graphics/digikam/default.nix
index 1e4b397db23..8196d8008f7 100644
--- a/pkgs/applications/graphics/digikam/default.nix
+++ b/pkgs/applications/graphics/digikam/default.nix
@@ -109,8 +109,6 @@ mkDerivation rec {
     threadweaver
   ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DENABLE_MYSQLSUPPORT=1"
     "-DENABLE_INTERNALMYSQL=1"
diff --git a/pkgs/applications/graphics/hugin/default.nix b/pkgs/applications/graphics/hugin/default.nix
index 7314ff893b0..1a8a552aa4f 100644
--- a/pkgs/applications/graphics/hugin/default.nix
+++ b/pkgs/applications/graphics/hugin/default.nix
@@ -31,8 +31,6 @@ stdenv.mkDerivation rec {
   # disable installation of the python scripting interface
   cmakeFlags = [ "-DBUILD_HSI:BOOl=OFF" ];
 
-  enableParallelBuilding = true;
-
   NIX_CFLAGS_COMPILE = "-I${ilmbase.dev}/include/OpenEXR";
 
   postInstall = ''
diff --git a/pkgs/applications/graphics/kgraphviewer/default.nix b/pkgs/applications/graphics/kgraphviewer/default.nix
index 9b96b30c62b..eaef8c13b7c 100644
--- a/pkgs/applications/graphics/kgraphviewer/default.nix
+++ b/pkgs/applications/graphics/kgraphviewer/default.nix
@@ -27,8 +27,6 @@ mkDerivation rec {
     kconfig kinit kio kparts kwidgetsaddons
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A Graphviz dot graph viewer for KDE";
     license     = licenses.gpl2;
diff --git a/pkgs/applications/graphics/meshlab/default.nix b/pkgs/applications/graphics/meshlab/default.nix
index 50962d54eb2..67b64ee575c 100644
--- a/pkgs/applications/graphics/meshlab/default.nix
+++ b/pkgs/applications/graphics/meshlab/default.nix
@@ -84,8 +84,6 @@ mkDerivation rec {
   #     |
   hardeningDisable = [ "format" ];
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "A system for processing and editing 3D triangular meshes";
     homepage = "https://www.meshlab.net/";
diff --git a/pkgs/applications/graphics/nomacs/default.nix b/pkgs/applications/graphics/nomacs/default.nix
index d23c02dbbdf..d79a3566574 100644
--- a/pkgs/applications/graphics/nomacs/default.nix
+++ b/pkgs/applications/graphics/nomacs/default.nix
@@ -27,8 +27,6 @@ mkDerivation rec {
     sha256 = "1bq7bv4p7w67172y893lvpk90d6fgdpnylynbj2kn8m2hs6khya4";
   };
 
-  enableParallelBuilding = true;
-
   setSourceRoot = ''
     sourceRoot=$(echo */ImageLounge)
   '';
diff --git a/pkgs/applications/graphics/photivo/default.nix b/pkgs/applications/graphics/photivo/default.nix
index 09b5bd37839..3c89f3ffac0 100644
--- a/pkgs/applications/graphics/photivo/default.nix
+++ b/pkgs/applications/graphics/photivo/default.nix
@@ -32,8 +32,6 @@ stdenv.mkDerivation {
 
   buildInputs = [ qt4 fftw graphicsmagick_q16 lcms2 lensfun libjpeg exiv2 liblqr1 ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     platforms = platforms.linux;
     license = licenses.gpl3;
diff --git a/pkgs/applications/graphics/photoqt/default.nix b/pkgs/applications/graphics/photoqt/default.nix
index 71c63bc82aa..4f470b014af 100644
--- a/pkgs/applications/graphics/photoqt/default.nix
+++ b/pkgs/applications/graphics/photoqt/default.nix
@@ -37,8 +37,6 @@ mkDerivation rec {
     export MAGICK_LOCATION="${graphicsmagick}/include/GraphicsMagick"
   '';
 
-  enableParallelBuilding = true;
-
   meta = {
     homepage = "https://photoqt.org/";
     description = "Simple, yet powerful and good looking image viewer";
diff --git a/pkgs/applications/graphics/rawtherapee/default.nix b/pkgs/applications/graphics/rawtherapee/default.nix
index 4371bc5838e..14a46bbfcc8 100644
--- a/pkgs/applications/graphics/rawtherapee/default.nix
+++ b/pkgs/applications/graphics/rawtherapee/default.nix
@@ -32,8 +32,6 @@ stdenv.mkDerivation rec {
     echo "set(HG_VERSION $version)" > $sourceRoot/ReleaseInfo.cmake
   '';
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "RAW converter and digital photo processing software";
     homepage = "http://www.rawtherapee.com/";
diff --git a/pkgs/applications/graphics/renderdoc/default.nix b/pkgs/applications/graphics/renderdoc/default.nix
index c1255c016f4..c2edecb858f 100644
--- a/pkgs/applications/graphics/renderdoc/default.nix
+++ b/pkgs/applications/graphics/renderdoc/default.nix
@@ -61,8 +61,6 @@ mkDerivation rec {
     addOpenGLRunpath $out/lib/librenderdoc.so
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A single-frame graphics debugger";
     homepage = "https://renderdoc.org/";
diff --git a/pkgs/applications/graphics/scantailor/default.nix b/pkgs/applications/graphics/scantailor/default.nix
index c776aec3c42..5e05072f7b5 100644
--- a/pkgs/applications/graphics/scantailor/default.nix
+++ b/pkgs/applications/graphics/scantailor/default.nix
@@ -11,8 +11,6 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ qt4 libjpeg libtiff boost ];
 
-  enableParallelBuilding = true;
-
   meta = {
     homepage = "http://scantailor.org/";
     description = "Interactive post-processing tool for scanned pages";
diff --git a/pkgs/applications/graphics/solvespace/default.nix b/pkgs/applications/graphics/solvespace/default.nix
index bd084b4287d..18d8d546a77 100644
--- a/pkgs/applications/graphics/solvespace/default.nix
+++ b/pkgs/applications/graphics/solvespace/default.nix
@@ -20,7 +20,6 @@ stdenv.mkDerivation rec {
     json_c fontconfig gtkmm3 pangomm glew libGLU
     xorg.libpthreadstubs xorg.libXdmcp pcre
   ];
-  enableParallelBuilding = true;
 
   preConfigure = ''
     patch CMakeLists.txt <<EOF
diff --git a/pkgs/applications/misc/albert/default.nix b/pkgs/applications/misc/albert/default.nix
index 5c43d717913..9f4fc95df77 100644
--- a/pkgs/applications/misc/albert/default.nix
+++ b/pkgs/applications/misc/albert/default.nix
@@ -18,8 +18,6 @@ mkDerivation rec {
 
   buildInputs = [ qtbase qtdeclarative qtsvg qtx11extras muparser python3 qtcharts ];
 
-  enableParallelBuilding = true;
-
   # We don't have virtualbox sdk so disable plugin
   cmakeFlags = [ "-DBUILD_VIRTUALBOX=OFF" "-DCMAKE_INSTALL_LIBDIR=libs" ];
 
diff --git a/pkgs/applications/misc/blender/default.nix b/pkgs/applications/misc/blender/default.nix
index 9796aef9b7c..6174dceaef9 100644
--- a/pkgs/applications/misc/blender/default.nix
+++ b/pkgs/applications/misc/blender/default.nix
@@ -119,8 +119,6 @@ stdenv.mkDerivation rec {
   # libstdc++ in our RPATH. Sigh.
   NIX_LDFLAGS = optionalString cudaSupport "-rpath ${stdenv.cc.cc.lib}/lib";
 
-  enableParallelBuilding = true;
-
   blenderExecutable =
     placeholder "out" + (if stdenv.isDarwin then "/Blender.app/Contents/MacOS/Blender" else "/bin/blender");
   # --python-expr is used to workaround https://developer.blender.org/T74304
diff --git a/pkgs/applications/misc/elf-dissector/default.nix b/pkgs/applications/misc/elf-dissector/default.nix
index 36ceb49d5c4..6edbcc0cce2 100644
--- a/pkgs/applications/misc/elf-dissector/default.nix
+++ b/pkgs/applications/misc/elf-dissector/default.nix
@@ -15,8 +15,6 @@ mkDerivation rec {
 
   buildInputs = [ kitemmodels libiberty libelf libdwarf libopcodes ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     homepage = "https://invent.kde.org/sdk/elf-dissector";
     description = "Tools for inspecting, analyzing and optimizing ELF files";
diff --git a/pkgs/applications/misc/far2l/default.nix b/pkgs/applications/misc/far2l/default.nix
index de2ed0d1596..eb7314a870d 100644
--- a/pkgs/applications/misc/far2l/default.nix
+++ b/pkgs/applications/misc/far2l/default.nix
@@ -76,8 +76,6 @@ stdenv.mkDerivation rec {
 
   stripDebugList = [ "bin" "share" ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "An orthodox file manager";
     homepage = "https://github.com/elfmz/far2l";
diff --git a/pkgs/applications/misc/gammu/default.nix b/pkgs/applications/misc/gammu/default.nix
index ff3408eb8dd..6f1b824925f 100644
--- a/pkgs/applications/misc/gammu/default.nix
+++ b/pkgs/applications/misc/gammu/default.nix
@@ -25,8 +25,6 @@ stdenv.mkDerivation rec {
   ++ optionals dbiSupport [ libdbi libdbiDrivers ]
   ++ optionals postgresSupport [ postgresql ];
 
-  enableParallelBuilding = true;
-
   meta = {
     homepage = "https://wammu.eu/gammu/";
     description = "Command line utility and library to control mobile phones";
diff --git a/pkgs/applications/misc/lenmus/default.nix b/pkgs/applications/misc/lenmus/default.nix
index 2280f9a471e..2f513634259 100644
--- a/pkgs/applications/misc/lenmus/default.nix
+++ b/pkgs/applications/misc/lenmus/default.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation rec {
     sha256 = "1n639xr1qxx6rhqs0c6sjxp3bv8cwkmw1vfk1cji7514gj2a9v3p";
   };
 
-  enableParallelBuilding = true;
-
   patches = [
     (fetchpatch {
       url = "https://github.com/lenmus/lenmus/commit/421760d84694a0e6e72d0e9b1d4fd30a7e129c6f.patch";
diff --git a/pkgs/applications/misc/opentx/default.nix b/pkgs/applications/misc/opentx/default.nix
index 6bdcd0da1fc..770d12d2722 100644
--- a/pkgs/applications/misc/opentx/default.nix
+++ b/pkgs/applications/misc/opentx/default.nix
@@ -15,8 +15,6 @@ mkDerivation rec {
     sha256 = "1pp3k1802gl1rji98clv17wj0619dliq821mpi4446lk22q692yq";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake gcc-arm-embedded python3Packages.pillow ];
 
   buildInputs = [ qtbase qtmultimedia qttranslations SDL ];
diff --git a/pkgs/applications/misc/prusa-slicer/default.nix b/pkgs/applications/misc/prusa-slicer/default.nix
index 79ad84e99be..d715e08fbe0 100644
--- a/pkgs/applications/misc/prusa-slicer/default.nix
+++ b/pkgs/applications/misc/prusa-slicer/default.nix
@@ -7,8 +7,6 @@ stdenv.mkDerivation rec {
   pname = "prusa-slicer";
   version = "2.2.0";
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [
     cmake
     pkgconfig
diff --git a/pkgs/applications/misc/pwsafe/default.nix b/pkgs/applications/misc/pwsafe/default.nix
index 6a9de9e600f..0e0ddffaac0 100644
--- a/pkgs/applications/misc/pwsafe/default.nix
+++ b/pkgs/applications/misc/pwsafe/default.nix
@@ -29,7 +29,6 @@ stdenv.mkDerivation rec {
     "-DNO_GTEST=ON"
     "-DCMAKE_CXX_FLAGS=-I${yubikey-personalization}/include/ykpers-1"
   ];
-  enableParallelBuilding = true;
 
   postPatch = ''
     # Fix perl scripts used during the build.
diff --git a/pkgs/applications/misc/qlandkartegt/default.nix b/pkgs/applications/misc/qlandkartegt/default.nix
index 9ae65a962dd..cb30571e055 100644
--- a/pkgs/applications/misc/qlandkartegt/default.nix
+++ b/pkgs/applications/misc/qlandkartegt/default.nix
@@ -63,8 +63,6 @@ mkDerivation rec {
     "-DEXIF_INCLUDE_DIRS=${libexif}/include"
   ];
 
-  enableParallelBuilding = true;
-
   postPatch = ''
     substituteInPlace ConfigureChecks.cmake \
       --replace \$\{PLUGIN_INSTALL_DIR\} "${garmindev}/lib/qlandkartegt"
diff --git a/pkgs/applications/misc/qlandkartegt/garmindev.nix b/pkgs/applications/misc/qlandkartegt/garmindev.nix
index 8705abd9259..22b6dfbf33d 100644
--- a/pkgs/applications/misc/qlandkartegt/garmindev.nix
+++ b/pkgs/applications/misc/qlandkartegt/garmindev.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libusb-compat-0_1 ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "http://www.qlandkarte.org/";
     description = "Garmin Device Drivers for QlandkarteGT";
diff --git a/pkgs/applications/misc/qolibri/default.nix b/pkgs/applications/misc/qolibri/default.nix
index 913d2bc3c6b..6cdd97e666f 100644
--- a/pkgs/applications/misc/qolibri/default.nix
+++ b/pkgs/applications/misc/qolibri/default.nix
@@ -17,8 +17,6 @@ mkDerivation {
     libeb lzo qtbase qtmultimedia qttools qtwebengine
   ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     homepage = "https://github.com/ludios/qolibri";
     description = "EPWING reader for viewing Japanese dictionaries";
diff --git a/pkgs/applications/misc/qsyncthingtray/default.nix b/pkgs/applications/misc/qsyncthingtray/default.nix
index 70d9f600fa0..cdb4f603821 100644
--- a/pkgs/applications/misc/qsyncthingtray/default.nix
+++ b/pkgs/applications/misc/qsyncthingtray/default.nix
@@ -53,8 +53,6 @@ mkDerivation rec {
     runHook postInstall
   '';
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     homepage = "https://github.com/sieren/QSyncthingTray/";
     description = "A Traybar Application for Syncthing written in C++";
diff --git a/pkgs/applications/misc/slade/default.nix b/pkgs/applications/misc/slade/default.nix
index e93baa997c8..f278cf7fd96 100644
--- a/pkgs/applications/misc/slade/default.nix
+++ b/pkgs/applications/misc/slade/default.nix
@@ -14,8 +14,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkgconfig zip ];
   buildInputs = [ wxGTK gtk2 sfml fluidsynth curl freeimage ftgl glew ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Doom editor";
     homepage = "http://slade.mancubus.net/";
diff --git a/pkgs/applications/misc/slade/git.nix b/pkgs/applications/misc/slade/git.nix
index 1eaf907b7ed..056ba196cf5 100644
--- a/pkgs/applications/misc/slade/git.nix
+++ b/pkgs/applications/misc/slade/git.nix
@@ -14,8 +14,6 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ cmake pkgconfig zip ];
   buildInputs = [ wxGTK gtk2 sfml fluidsynth curl freeimage ftgl glew ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Doom editor";
     homepage = "http://slade.mancubus.net/";
diff --git a/pkgs/applications/misc/subsurface/default.nix b/pkgs/applications/misc/subsurface/default.nix
index d8773240bac..509f5f55e6d 100644
--- a/pkgs/applications/misc/subsurface/default.nix
+++ b/pkgs/applications/misc/subsurface/default.nix
@@ -91,8 +91,6 @@ in stdenv.mkDerivation {
     "-DNO_PRINTING=OFF"
   ];
 
-  enableParallelBuilding = true;
-
   passthru = { inherit version libdc googlemaps; };
 
   meta = with stdenv.lib; {
diff --git a/pkgs/applications/misc/tasksh/default.nix b/pkgs/applications/misc/tasksh/default.nix
index 4c577049f44..b7564fd2402 100644
--- a/pkgs/applications/misc/tasksh/default.nix
+++ b/pkgs/applications/misc/tasksh/default.nix
@@ -4,8 +4,6 @@ stdenv.mkDerivation rec {
   pname = "tasksh";
   version = "1.2.0";
 
-  enableParallelBuilding = true;
-
   src = fetchurl {
     url = "https://taskwarrior.org/download/${pname}-${version}.tar.gz";
     sha256 = "1z8zw8lld62fjafjvy248dncjk0i4fwygw0ahzjdvyyppx4zjhkf";
diff --git a/pkgs/applications/misc/timewarrior/default.nix b/pkgs/applications/misc/timewarrior/default.nix
index 7b1d3c302b1..380f1d437f1 100644
--- a/pkgs/applications/misc/timewarrior/default.nix
+++ b/pkgs/applications/misc/timewarrior/default.nix
@@ -4,8 +4,6 @@ stdenv.mkDerivation rec {
   pname = "timewarrior";
   version = "1.4.2";
 
-  enableParallelBuilding = true;
-
   src = fetchFromGitHub {
     owner = "GothenburgBitFactory";
     repo = "timewarrior";
diff --git a/pkgs/applications/misc/xsuspender/default.nix b/pkgs/applications/misc/xsuspender/default.nix
index 02559691f4d..a5bd8a02ebf 100644
--- a/pkgs/applications/misc/xsuspender/default.nix
+++ b/pkgs/applications/misc/xsuspender/default.nix
@@ -19,8 +19,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkgconfig makeWrapper ];
   buildInputs = [ glib libwnck3 ];
 
-  enableParallelBuilding = true;
-
   postInstall = ''
     wrapProgram $out/bin/xsuspender \
       --prefix PATH : "${makeBinPath [ procps ]}"
diff --git a/pkgs/applications/networking/browsers/falkon/default.nix b/pkgs/applications/networking/browsers/falkon/default.nix
index 3c2aace79b2..49d67690bf1 100644
--- a/pkgs/applications/networking/browsers/falkon/default.nix
+++ b/pkgs/applications/networking/browsers/falkon/default.nix
@@ -47,8 +47,6 @@ mkDerivation rec {
     wrapQtAppsHook
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "QtWebEngine based cross-platform web browser";
     homepage    = "https://community.kde.org/Incubator/Projects/Falkon";
diff --git a/pkgs/applications/networking/ids/zeek/default.nix b/pkgs/applications/networking/ids/zeek/default.nix
index 336e3be074d..8fa3a86e5c0 100644
--- a/pkgs/applications/networking/ids/zeek/default.nix
+++ b/pkgs/applications/networking/ids/zeek/default.nix
@@ -35,8 +35,6 @@ stdenv.mkDerivation rec {
   #see issue https://github.com/zeek/zeek/issues/804 to modify hardlinking duplicate files.
   inherit preConfigure;
 
-  enableParallelBuilding = true;
-
   patches = stdenv.lib.optionals stdenv.cc.isClang [
     # Fix pybind c++17 build with Clang. See: https://github.com/pybind/pybind11/issues/1604
     (fetchpatch {
diff --git a/pkgs/applications/networking/instant-messengers/psi/default.nix b/pkgs/applications/networking/instant-messengers/psi/default.nix
index 08c3ab96210..62b6c8f8e59 100644
--- a/pkgs/applications/networking/instant-messengers/psi/default.nix
+++ b/pkgs/applications/networking/instant-messengers/psi/default.nix
@@ -21,7 +21,6 @@ mkDerivation rec {
     qtbase qtmultimedia qtx11extras qtwebengine
     libidn qca-qt5 libXScrnSaver hunspell
   ];
-  enableParallelBuilding = true;
 
   meta = with lib; {
     homepage = "https://psi-im.org";
diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index d4cc5293a9b..8ea4362e7e3 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
@@ -52,8 +52,6 @@ in mkDerivation rec {
     pcre xorg.libpthreadstubs xorg.libXdmcp util-linux libselinux libsepol epoxy at-spi2-core libXtst
   ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-Ddisable_autoupdate=ON"
     # We're allowed to used the API ID of the Snap package:
diff --git a/pkgs/applications/networking/irc/quassel/default.nix b/pkgs/applications/networking/irc/quassel/default.nix
index 7981644be9f..4afd488c68d 100644
--- a/pkgs/applications/networking/irc/quassel/default.nix
+++ b/pkgs/applications/networking/irc/quassel/default.nix
@@ -49,8 +49,6 @@ in (if !buildClient then stdenv.mkDerivation else mkDerivation) rec {
     ./0001-common-Disable-enum-type-stream-operators-for-Qt-5.1.patch
   ];
 
-  enableParallelBuilding = true;
-
   # Prevent ``undefined reference to `qt_version_tag''' in SSL check
   NIX_CFLAGS_COMPILE = "-DQT_NO_VERSION_TAGGING=1";
 
diff --git a/pkgs/applications/networking/owncloud-client/default.nix b/pkgs/applications/networking/owncloud-client/default.nix
index d990dfb39d2..ed8826729cc 100644
--- a/pkgs/applications/networking/owncloud-client/default.nix
+++ b/pkgs/applications/networking/owncloud-client/default.nix
@@ -21,8 +21,6 @@ mkDerivation rec {
     "-DNO_SHIBBOLETH=1"
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Synchronise your ownCloud with your computer using this desktop client";
     homepage = "https://owncloud.org";
diff --git a/pkgs/applications/networking/p2p/eiskaltdcpp/default.nix b/pkgs/applications/networking/p2p/eiskaltdcpp/default.nix
index 9355bfa5b8d..7bb0866e12f 100644
--- a/pkgs/applications/networking/p2p/eiskaltdcpp/default.nix
+++ b/pkgs/applications/networking/p2p/eiskaltdcpp/default.nix
@@ -54,8 +54,6 @@ stdenv.mkDerivation rec {
     "-DWITH_LUASCRIPTS=ON"
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A cross-platform program that uses the Direct Connect and ADC protocols";
     homepage = "https://github.com/eiskaltdcpp/eiskaltdcpp";
diff --git a/pkgs/applications/networking/p2p/ktorrent/default.nix b/pkgs/applications/networking/p2p/ktorrent/default.nix
index 19be24bd1b1..94a4642b2de 100644
--- a/pkgs/applications/networking/p2p/ktorrent/default.nix
+++ b/pkgs/applications/networking/p2p/ktorrent/default.nix
@@ -22,8 +22,6 @@ mkDerivation rec {
     libktorrent taglib libgcrypt kplotting
   ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "KDE integrated BtTorrent client";
     homepage    = "https://www.kde.org/applications/internet/ktorrent/";
diff --git a/pkgs/applications/networking/p2p/qbittorrent/default.nix b/pkgs/applications/networking/p2p/qbittorrent/default.nix
index 2e69ad23e14..d83cc6ad184 100644
--- a/pkgs/applications/networking/p2p/qbittorrent/default.nix
+++ b/pkgs/applications/networking/p2p/qbittorrent/default.nix
@@ -44,8 +44,6 @@ mkDerivation rec {
     else "qbittorrent-nox"
   } --prefix PATH : ${makeBinPath [ python3 ]}";
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "Featureful free software BitTorrent client";
     homepage    = "https://www.qbittorrent.org/";
diff --git a/pkgs/applications/networking/sniffers/wireshark/default.nix b/pkgs/applications/networking/sniffers/wireshark/default.nix
index 66292e20c52..d57e8272813 100644
--- a/pkgs/applications/networking/sniffers/wireshark/default.nix
+++ b/pkgs/applications/networking/sniffers/wireshark/default.nix
@@ -93,8 +93,6 @@ in stdenv.mkDerivation {
     cp ../wiretap/*.h $dev/include/wiretap
   '');
 
-  enableParallelBuilding = true;
-
   dontFixCmake = true;
 
   shellHook = ''
diff --git a/pkgs/applications/office/gnucash/default.nix b/pkgs/applications/office/gnucash/default.nix
index 29a96aac5c4..898ee032fc4 100644
--- a/pkgs/applications/office/gnucash/default.nix
+++ b/pkgs/applications/office/gnucash/default.nix
@@ -82,8 +82,6 @@ stdenv.mkDerivation rec {
   '';
   doCheck = false;
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "Personal and small-business financial-accounting application";
 
diff --git a/pkgs/applications/office/kmymoney/default.nix b/pkgs/applications/office/kmymoney/default.nix
index e15615f78a3..093d20906a4 100644
--- a/pkgs/applications/office/kmymoney/default.nix
+++ b/pkgs/applications/office/kmymoney/default.nix
@@ -25,8 +25,6 @@ stdenv.mkDerivation rec {
   # Hidden dependency that wasn't included in CMakeLists.txt:
   NIX_CFLAGS_COMPILE = "-I${kitemmodels.dev}/include/KF5";
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [
     doxygen extra-cmake-modules graphviz kdoctools python2
     python3Packages.wrapPython wrapQtAppsHook
diff --git a/pkgs/applications/office/ledger/default.nix b/pkgs/applications/office/ledger/default.nix
index 543545de263..7f543c9bbcc 100644
--- a/pkgs/applications/office/ledger/default.nix
+++ b/pkgs/applications/office/ledger/default.nix
@@ -21,8 +21,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake texinfo ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DCMAKE_INSTALL_LIBDIR=lib"
     "-DBUILD_DOCS:BOOL=ON"
diff --git a/pkgs/applications/office/scribus/default.nix b/pkgs/applications/office/scribus/default.nix
index 779a5cb0fea..4cc20775390 100644
--- a/pkgs/applications/office/scribus/default.nix
+++ b/pkgs/applications/office/scribus/default.nix
@@ -18,8 +18,6 @@ in stdenv.mkDerivation rec {
     sha256 = "0bq433myw6h1siqlsakxv6ghb002rp3mfz5k12bg68s0k6skn992";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ pkgconfig cmake ];
   buildInputs = with xorg;
     [ freetype lcms libtiff libxml2 libart_lgpl qt4
diff --git a/pkgs/applications/office/scribus/unstable.nix b/pkgs/applications/office/scribus/unstable.nix
index c2c300b8748..bb855feebab 100644
--- a/pkgs/applications/office/scribus/unstable.nix
+++ b/pkgs/applications/office/scribus/unstable.nix
@@ -43,8 +43,6 @@ mkDerivation rec {
     sha256 = "sha256-1CV2lVOc+kDerYq9rwTFHjTU10vK1aLJNNCObp1Dt6s=";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [
     cmake
     pkgconfig
diff --git a/pkgs/applications/radio/dsd/default.nix b/pkgs/applications/radio/dsd/default.nix
index a369486278b..1aa04dc43d7 100644
--- a/pkgs/applications/radio/dsd/default.nix
+++ b/pkgs/applications/radio/dsd/default.nix
@@ -21,8 +21,6 @@ stdenv.mkDerivation rec {
     mbelib libsndfile itpp
   ] ++ stdenv.lib.optionals portaudioSupport [ portaudio ];
 
-  enableParallelBuilding = true;
-
   doCheck = true;
   preCheck = ''
     export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD
diff --git a/pkgs/applications/radio/gnss-sdr/default.nix b/pkgs/applications/radio/gnss-sdr/default.nix
index d7e2d44c75c..782640c95df 100644
--- a/pkgs/applications/radio/gnss-sdr/default.nix
+++ b/pkgs/applications/radio/gnss-sdr/default.nix
@@ -8,7 +8,7 @@
 , gflags
 , gnuradio
 , orc
-, pkgconfig
+, pkg-config
 , pythonPackages
 , uhd
 , log4cpp
@@ -29,17 +29,16 @@ stdenv.mkDerivation rec {
     sha256 = "0a3k47fl5dizzhbqbrbmckl636lznyjby2d2nz6fz21637hvrnby";
   };
 
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [
     armadillo
     boost.dev
-    cmake
     glog
     gmock
     openssl.dev
     gflags
     gnuradio
     orc
-    pkgconfig
     pythonPackages.Mako
     pythonPackages.six
 
@@ -53,8 +52,6 @@ stdenv.mkDerivation rec {
     protobuf
   ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DGFlags_ROOT_DIR=${gflags}/lib"
     "-DGLOG_INCLUDE_DIR=${glog}/include"
diff --git a/pkgs/applications/radio/gnuradio/ais.nix b/pkgs/applications/radio/gnuradio/ais.nix
index 69b55c77121..82187230ee3 100644
--- a/pkgs/applications/radio/gnuradio/ais.nix
+++ b/pkgs/applications/radio/gnuradio/ais.nix
@@ -27,8 +27,6 @@ stdenv.mkDerivation {
     done
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Gnuradio block for ais";
     homepage = "https://github.com/bistromath/gr-ais";
diff --git a/pkgs/applications/radio/gnuradio/gsm.nix b/pkgs/applications/radio/gnuradio/gsm.nix
index 541817c18f9..b41e7cdb682 100644
--- a/pkgs/applications/radio/gnuradio/gsm.nix
+++ b/pkgs/applications/radio/gnuradio/gsm.nix
@@ -27,8 +27,6 @@ stdenv.mkDerivation {
     done
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Gnuradio block for gsm";
     homepage = "https://github.com/ptrkrysik/gr-gsm";
diff --git a/pkgs/applications/radio/gnuradio/limesdr.nix b/pkgs/applications/radio/gnuradio/limesdr.nix
index b2f99164bec..f7ec95f8e71 100644
--- a/pkgs/applications/radio/gnuradio/limesdr.nix
+++ b/pkgs/applications/radio/gnuradio/limesdr.nix
@@ -28,8 +28,6 @@ in stdenv.mkDerivation {
   ] ++ stdenv.lib.optionals pythonSupport [ python ];
 
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Gnuradio source and sink blocks for LimeSDR";
     homepage = "https://wiki.myriadrf.org/Gr-limesdr_Plugin_for_GNURadio";
diff --git a/pkgs/applications/radio/gnuradio/nacl.nix b/pkgs/applications/radio/gnuradio/nacl.nix
index 41c28833a3b..7ddac3c2272 100644
--- a/pkgs/applications/radio/gnuradio/nacl.nix
+++ b/pkgs/applications/radio/gnuradio/nacl.nix
@@ -27,8 +27,6 @@ stdenv.mkDerivation {
     done
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Gnuradio block for encryption";
     homepage = "https://github.com/stwunsch/gr-nacl";
diff --git a/pkgs/applications/radio/gnuradio/osmosdr.nix b/pkgs/applications/radio/gnuradio/osmosdr.nix
index 7d91b23e7f0..50889c66d6b 100644
--- a/pkgs/applications/radio/gnuradio/osmosdr.nix
+++ b/pkgs/applications/radio/gnuradio/osmosdr.nix
@@ -35,8 +35,6 @@ stdenv.mkDerivation rec {
     done
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Gnuradio block for OsmoSDR and rtl-sdr";
     homepage = "https://sdr.osmocom.org/trac/wiki/GrOsmoSDR";
diff --git a/pkgs/applications/radio/gnuradio/rds.nix b/pkgs/applications/radio/gnuradio/rds.nix
index 9d73176b929..f28ec8ded2d 100644
--- a/pkgs/applications/radio/gnuradio/rds.nix
+++ b/pkgs/applications/radio/gnuradio/rds.nix
@@ -26,8 +26,6 @@ stdenv.mkDerivation rec {
     done
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Gnuradio block for radio data system";
     homepage = "https://github.com/bastibl/gr-rds";
diff --git a/pkgs/applications/radio/gqrx/default.nix b/pkgs/applications/radio/gqrx/default.nix
index e06d04ca53f..31e6bc37540 100644
--- a/pkgs/applications/radio/gqrx/default.nix
+++ b/pkgs/applications/radio/gqrx/default.nix
@@ -23,8 +23,6 @@ mkDerivation rec {
     qtbase qtsvg gnuradio boost gr-osmosdr rtl-sdr hackrf
   ] ++ stdenv.lib.optionals pulseaudioSupport [ libpulseaudio ];
 
-  enableParallelBuilding = true;
-
   postInstall = ''
     install -vD $src/gqrx.desktop -t "$out/share/applications/"
     install -vD $src/resources/icons/gqrx.svg -t "$out/share/pixmaps/"
diff --git a/pkgs/applications/radio/svxlink/default.nix b/pkgs/applications/radio/svxlink/default.nix
index e06fcb5d3e6..185e08f4062 100644
--- a/pkgs/applications/radio/svxlink/default.nix
+++ b/pkgs/applications/radio/svxlink/default.nix
@@ -29,7 +29,6 @@ in stdenv.mkDerivation rec {
     "-DRTLSDR_INCLUDE_DIRS=${rtl-sdr}/include"
     "../src"
   ];
-  enableParallelBuilding = true;
   dontWrapQtApps = true;
 
   nativeBuildInputs = [ cmake pkgconfig doxygen groff wrapQtAppsHook ];
diff --git a/pkgs/applications/radio/uhd/default.nix b/pkgs/applications/radio/uhd/default.nix
index e7ddb5787fa..d9276f6f1f1 100644
--- a/pkgs/applications/radio/uhd/default.nix
+++ b/pkgs/applications/radio/uhd/default.nix
@@ -54,8 +54,6 @@ stdenv.mkDerivation rec {
     sha256 = "1fir1a13ac07mqhm4sr34cixiqj2difxq0870qv1wr7a7cbfw6vp";
   };
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DENABLE_LIBUHD=ON"
     "-DENABLE_USB=ON"
diff --git a/pkgs/applications/radio/welle-io/default.nix b/pkgs/applications/radio/welle-io/default.nix
index 77969c5ca3f..87c04dd3b98 100644
--- a/pkgs/applications/radio/welle-io/default.nix
+++ b/pkgs/applications/radio/welle-io/default.nix
@@ -39,8 +39,6 @@ in mkDerivation {
     "-DRTLSDR=true" "-DSOAPYSDR=true"
   ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "A DAB/DAB+ Software Radio";
     homepage = "https://www.welle.io/";
diff --git a/pkgs/applications/science/biology/EZminc/default.nix b/pkgs/applications/science/biology/EZminc/default.nix
index a9661ee2db7..f9d3e4d4e12 100644
--- a/pkgs/applications/science/biology/EZminc/default.nix
+++ b/pkgs/applications/science/biology/EZminc/default.nix
@@ -19,8 +19,6 @@ stdenv.mkDerivation rec {
                  "-DEZMINC_BUILD_MRFSEG=TRUE"
                  "-DEZMINC_BUILD_DD=TRUE" ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://github.com/BIC-MNI/${pname}";
     description = "Collection of Perl and shell scripts for processing MINC files";
diff --git a/pkgs/applications/science/biology/ants/default.nix b/pkgs/applications/science/biology/ants/default.nix
index ece218eea37..caf759ce7e3 100644
--- a/pkgs/applications/science/biology/ants/default.nix
+++ b/pkgs/applications/science/biology/ants/default.nix
@@ -24,8 +24,6 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [ "-DANTS_SUPERBUILD=FALSE" "-DUSE_VTK=TRUE" ];
 
-  enableParallelBuilding = true;
-
   postInstall = ''
     for file in $out/bin/*; do
       wrapProgram $file --set ANTSPATH "$out/bin"
diff --git a/pkgs/applications/science/biology/dcm2niix/default.nix b/pkgs/applications/science/biology/dcm2niix/default.nix
index cfd1206f231..a59e5d2be2d 100644
--- a/pkgs/applications/science/biology/dcm2niix/default.nix
+++ b/pkgs/applications/science/biology/dcm2niix/default.nix
@@ -16,7 +16,6 @@ stdenv.mkDerivation rec {
     sha256 = "1cncfwhyhmg18n970lkn6yvp0i74ajznsl8dqz00asqfzmg681n1";
   };
 
-  enableParallelBuilding = true;
   nativeBuildInputs = [ cmake git ];
   buildInputs = [ libyamlcpp ];
 
diff --git a/pkgs/applications/science/biology/megahit/default.nix b/pkgs/applications/science/biology/megahit/default.nix
index 35ef280ed67..3168ecb1cf8 100644
--- a/pkgs/applications/science/biology/megahit/default.nix
+++ b/pkgs/applications/science/biology/megahit/default.nix
@@ -14,8 +14,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ zlib ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "An ultra-fast single-node solution for large and complex metagenomics assembly via succinct de Bruijn graph";
     license     = licenses.gpl3;
diff --git a/pkgs/applications/science/biology/messer-slim/default.nix b/pkgs/applications/science/biology/messer-slim/default.nix
index 201e38cfc53..876cc8ebaa7 100644
--- a/pkgs/applications/science/biology/messer-slim/default.nix
+++ b/pkgs/applications/science/biology/messer-slim/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, cmake, gcc, gcc-unwrapped }:
 
 stdenv.mkDerivation rec {
-  version = "3.2.1"; 
+  version = "3.2.1";
   pname = "messer-slim";
 
   src = fetchurl {
@@ -9,11 +9,9 @@ stdenv.mkDerivation rec {
     sha256 = "1j3ssjvxpsc21mmzj59kwimglz8pdazi5w6wplmx11x744k77wa1";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake gcc gcc-unwrapped ];
 
-  cmakeFlags = [ "-DCMAKE_AR=${gcc-unwrapped}/bin/gcc-ar" 
+  cmakeFlags = [ "-DCMAKE_AR=${gcc-unwrapped}/bin/gcc-ar"
                  "-DCMAKE_RANLIB=${gcc-unwrapped}/bin/gcc-ranlib" ];
 
   meta = {
@@ -24,4 +22,3 @@ stdenv.mkDerivation rec {
      platforms = stdenv.lib.platforms.all;
   };
 }
-
diff --git a/pkgs/applications/science/biology/minc-tools/default.nix b/pkgs/applications/science/biology/minc-tools/default.nix
index c594897f4b6..897c1994a50 100644
--- a/pkgs/applications/science/biology/minc-tools/default.nix
+++ b/pkgs/applications/science/biology/minc-tools/default.nix
@@ -26,8 +26,6 @@ stdenv.mkDerivation rec {
     done
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://github.com/BIC-MNI/minc-tools";
     description = "Command-line utilities for working with MINC files";
diff --git a/pkgs/applications/science/biology/niftyreg/default.nix b/pkgs/applications/science/biology/niftyreg/default.nix
index fd7dc4f1fbb..4e965d70fe3 100644
--- a/pkgs/applications/science/biology/niftyreg/default.nix
+++ b/pkgs/applications/science/biology/niftyreg/default.nix
@@ -13,7 +13,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ zlib ];
-  enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
     homepage = "http://cmictig.cs.ucl.ac.uk/wiki/index.php/NiftyReg";
diff --git a/pkgs/applications/science/biology/niftyseg/default.nix b/pkgs/applications/science/biology/niftyseg/default.nix
index 38194697223..98cca7815ea 100644
--- a/pkgs/applications/science/biology/niftyseg/default.nix
+++ b/pkgs/applications/science/biology/niftyseg/default.nix
@@ -10,7 +10,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ eigen zlib ];
-  enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
     homepage = "http://cmictig.cs.ucl.ac.uk/research/software/software-nifty/niftyseg";
diff --git a/pkgs/applications/science/biology/obitools/obitools3.nix b/pkgs/applications/science/biology/obitools/obitools3.nix
index 076e459c8f0..7ecee60c4b1 100644
--- a/pkgs/applications/science/biology/obitools/obitools3.nix
+++ b/pkgs/applications/science/biology/obitools/obitools3.nix
@@ -26,8 +26,6 @@ pythonPackages.buildPythonApplication rec {
 
   doCheck = true;
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib ; {
     description = "Management of analyses and data in DNA metabarcoding";
     homepage = "https://git.metabarcoding.org/obitools/obitools3";
diff --git a/pkgs/applications/science/chemistry/d-seams/default.nix b/pkgs/applications/science/chemistry/d-seams/default.nix
index 1c639563757..72962455ac9 100644
--- a/pkgs/applications/science/chemistry/d-seams/default.nix
+++ b/pkgs/applications/science/chemistry/d-seams/default.nix
@@ -12,7 +12,6 @@ clangStdenv.mkDerivation rec {
     sha256 = "03zhhl9vhi3rhc3qz1g3zb89jksgpdlrk15fcr8xcz8pkj6r5b1i";
   };
 
-  enableParallelBuilding = true;
   nativeBuildInputs = [ cmake lua luaPackages.luafilesystem ];
   buildInputs = [ fmt rang libyamlcpp eigen catch2 boost gsl liblapack blas ];
 
diff --git a/pkgs/applications/science/chemistry/openmolcas/default.nix b/pkgs/applications/science/chemistry/openmolcas/default.nix
index 317a83371ad..334a85d3a5f 100644
--- a/pkgs/applications/science/chemistry/openmolcas/default.nix
+++ b/pkgs/applications/science/chemistry/openmolcas/default.nix
@@ -38,8 +38,6 @@ in stdenv.mkDerivation {
     openssh
   ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DOPENMP=ON"
     "-DGA=ON"
diff --git a/pkgs/applications/science/electronics/appcsxcad/default.nix b/pkgs/applications/science/electronics/appcsxcad/default.nix
index c2d7cefec9b..7aafa70f7fa 100644
--- a/pkgs/applications/science/electronics/appcsxcad/default.nix
+++ b/pkgs/applications/science/electronics/appcsxcad/default.nix
@@ -45,8 +45,6 @@ mkDerivation {
     rm $out/bin/AppCSXCAD.sh
   '';
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "Minimal Application using the QCSXCAD library";
     homepage = "https://github.com/thliebig/AppCSXCAD";
diff --git a/pkgs/applications/science/electronics/caneda/default.nix b/pkgs/applications/science/electronics/caneda/default.nix
index c90ceac6788..5cf9ab1ae6f 100644
--- a/pkgs/applications/science/electronics/caneda/default.nix
+++ b/pkgs/applications/science/electronics/caneda/default.nix
@@ -14,8 +14,6 @@ mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ qtbase qttools qtsvg qwt ];
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "Open source EDA software focused on easy of use and portability";
     homepage = "http://caneda.org";
diff --git a/pkgs/applications/science/electronics/csxcad/default.nix b/pkgs/applications/science/electronics/csxcad/default.nix
index adc6a60be85..f1ea9376003 100644
--- a/pkgs/applications/science/electronics/csxcad/default.nix
+++ b/pkgs/applications/science/electronics/csxcad/default.nix
@@ -37,8 +37,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A C++ library to describe geometrical objects";
     homepage = "https://github.com/thliebig/CSXCAD";
diff --git a/pkgs/applications/science/electronics/dsview/default.nix b/pkgs/applications/science/electronics/dsview/default.nix
index e61017ea330..8c5e9e41aac 100644
--- a/pkgs/applications/science/electronics/dsview/default.nix
+++ b/pkgs/applications/science/electronics/dsview/default.nix
@@ -34,8 +34,6 @@ mkDerivation rec {
     python3
   ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "A GUI program for supporting various instruments from DreamSourceLab, including logic analyzer, oscilloscope, etc";
     homepage = "https://www.dreamsourcelab.com/";
diff --git a/pkgs/applications/science/electronics/openems/default.nix b/pkgs/applications/science/electronics/openems/default.nix
index f7c8dd7467a..e1063f8e26c 100644
--- a/pkgs/applications/science/electronics/openems/default.nix
+++ b/pkgs/applications/science/electronics/openems/default.nix
@@ -63,8 +63,6 @@ stdenv.mkDerivation {
       -o $out/share/openEMS/matlab/h5readatt_octave.oct
   '';
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "Open Source Electromagnetic Field Solver";
     homepage = "http://openems.de/index.php/Main_Page.html";
diff --git a/pkgs/applications/science/logic/abc/default.nix b/pkgs/applications/science/logic/abc/default.nix
index 426c5a9df32..0e60122a598 100644
--- a/pkgs/applications/science/logic/abc/default.nix
+++ b/pkgs/applications/science/logic/abc/default.nix
@@ -16,7 +16,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ readline ];
 
-  enableParallelBuilding = true;
   installPhase = "mkdir -p $out/bin && mv abc $out/bin";
 
   # needed by yosys
diff --git a/pkgs/applications/science/logic/cvc4/default.nix b/pkgs/applications/science/logic/cvc4/default.nix
index 54a2f022551..1a92247c54d 100644
--- a/pkgs/applications/science/logic/cvc4/default.nix
+++ b/pkgs/applications/science/logic/cvc4/default.nix
@@ -35,9 +35,6 @@ stdenv.mkDerivation rec {
     "-DCMAKE_BUILD_TYPE=Production"
   ];
 
-
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A high-performance theorem prover and SMT solver";
     homepage    = "http://cvc4.cs.stanford.edu/web/";
diff --git a/pkgs/applications/science/logic/fast-downward/default.nix b/pkgs/applications/science/logic/fast-downward/default.nix
index a4654209537..cc14fd7706a 100644
--- a/pkgs/applications/science/logic/fast-downward/default.nix
+++ b/pkgs/applications/science/logic/fast-downward/default.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation {
   cmakeFlags =
     lib.optional osi.withCplex [ "-DDOWNWARD_CPLEX_ROOT=${cplex}/cplex" ];
 
-  enableParallelBuilding = true;
-
   configurePhase = ''
     python build.py release
   '';
diff --git a/pkgs/applications/science/logic/lean/default.nix b/pkgs/applications/science/logic/lean/default.nix
index 88e1b4fbc0e..0ed3a544c77 100644
--- a/pkgs/applications/science/logic/lean/default.nix
+++ b/pkgs/applications/science/logic/lean/default.nix
@@ -13,7 +13,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
   buildInputs = [ gmp ];
-  enableParallelBuilding = true;
 
   cmakeDir = "../src";
 
diff --git a/pkgs/applications/science/logic/stp/default.nix b/pkgs/applications/science/logic/stp/default.nix
index dd00eda1b57..fcffc239b48 100644
--- a/pkgs/applications/science/logic/stp/default.nix
+++ b/pkgs/applications/science/logic/stp/default.nix
@@ -24,9 +24,6 @@ stdenv.mkDerivation rec {
     )
   '';
 
-  # seems to build fine now, may revert if concurrency does become an issue
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Simple Theorem Prover";
     maintainers = with maintainers; [ ];
diff --git a/pkgs/applications/science/machine-learning/shogun/default.nix b/pkgs/applications/science/machine-learning/shogun/default.nix
index f5ead883799..f448e66d94b 100644
--- a/pkgs/applications/science/machine-learning/shogun/default.nix
+++ b/pkgs/applications/science/machine-learning/shogun/default.nix
@@ -88,8 +88,6 @@ stdenv.mkDerivation rec {
     (flag "OpenCV" opencvSupport)
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A toolbox which offers a wide range of efficient and unified machine learning methods";
     homepage = "http://shogun-toolbox.org/";
diff --git a/pkgs/applications/science/math/caffe/default.nix b/pkgs/applications/science/math/caffe/default.nix
index 4a6a2dc6c7e..c99adea9a64 100644
--- a/pkgs/applications/science/math/caffe/default.nix
+++ b/pkgs/applications/science/math/caffe/default.nix
@@ -46,8 +46,6 @@ stdenv.mkDerivation rec {
     sha256 = "104jp3cm823i3cdph7hgsnj6l77ygbwsy35mdmzhmsi4jxprd9j3";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake doxygen ];
 
   cmakeFlags =
diff --git a/pkgs/applications/science/math/cntk/default.nix b/pkgs/applications/science/math/cntk/default.nix
index 401454a6b69..a348210179e 100644
--- a/pkgs/applications/science/math/cntk/default.nix
+++ b/pkgs/applications/science/math/cntk/default.nix
@@ -90,8 +90,6 @@ in stdenv.mkDerivation rec {
     done
   '';
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     # Newer cub is included with cudatoolkit now and it breaks the build.
     # https://github.com/Microsoft/CNTK/issues/3191
diff --git a/pkgs/applications/science/math/mxnet/default.nix b/pkgs/applications/science/math/mxnet/default.nix
index 3d74421669e..68df53aee39 100644
--- a/pkgs/applications/science/math/mxnet/default.nix
+++ b/pkgs/applications/science/math/mxnet/default.nix
@@ -43,8 +43,6 @@ stdenv.mkDerivation rec {
     rm "$out"/lib/*.a
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler";
     homepage = "https://mxnet.incubator.apache.org/";
diff --git a/pkgs/applications/science/misc/openmodelica/default.nix b/pkgs/applications/science/misc/openmodelica/default.nix
index 268ae53401f..589b1370023 100644
--- a/pkgs/applications/science/misc/openmodelica/default.nix
+++ b/pkgs/applications/science/misc/openmodelica/default.nix
@@ -22,8 +22,6 @@ stdenv.mkDerivation {
 
   hardeningDisable = [ "format" ];
 
-  enableParallelBuilding = true;
-
   patchPhase = ''
     cp -fv ${fakegit}/bin/checkout-git.sh libraries/checkout-git.sh
     cp -fv ${fakegit}/bin/checkout-svn.sh libraries/checkout-svn.sh
diff --git a/pkgs/applications/science/misc/openmvs/default.nix b/pkgs/applications/science/misc/openmvs/default.nix
index efdd86f0ab2..f8533677b7a 100644
--- a/pkgs/applications/science/misc/openmvs/default.nix
+++ b/pkgs/applications/science/misc/openmvs/default.nix
@@ -50,8 +50,6 @@ stdenv.mkDerivation {
 
   dontUseCmakeBuildDir = true;
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A library for computer-vision scientists and especially targeted to the Multi-View Stereo reconstruction community";
     homepage = "http://cdcseacave.github.io/openMVS/";
diff --git a/pkgs/applications/science/misc/root/5.nix b/pkgs/applications/science/misc/root/5.nix
index a800a1938c8..c42f80da352 100644
--- a/pkgs/applications/science/misc/root/5.nix
+++ b/pkgs/applications/science/misc/root/5.nix
@@ -77,8 +77,6 @@ stdenv.mkDerivation rec {
   ]
   ++ stdenv.lib.optional stdenv.isDarwin "-DOPENGL_INCLUDE_DIR=${OpenGL}/Library/Frameworks";
 
-  enableParallelBuilding = true;
-
   setupHook = ./setup-hook.sh;
 
   meta = with stdenv.lib; {
diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index 03b20697310..2e9fcdb35a2 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -80,8 +80,6 @@ stdenv.mkDerivation rec {
     "-Druntime_cxxmodules=OFF"
   ];
 
-  enableParallelBuilding = true;
-
   postInstall = ''
     for prog in rootbrowse rootcp rooteventselector rootls rootmkdir rootmv rootprint rootrm rootslimtree; do
       wrapProgram "$out/bin/$prog" \
diff --git a/pkgs/applications/science/misc/simgrid/default.nix b/pkgs/applications/science/misc/simgrid/default.nix
index 11d73095834..7cc702f2d53 100644
--- a/pkgs/applications/science/misc/simgrid/default.nix
+++ b/pkgs/applications/science/misc/simgrid/default.nix
@@ -92,8 +92,6 @@ stdenv.mkDerivation rec {
     EOW
   '';
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "Framework for the simulation of distributed applications";
     longDescription = ''
diff --git a/pkgs/applications/science/physics/elmerfem/default.nix b/pkgs/applications/science/physics/elmerfem/default.nix
index a76fe3a7277..7e10ecaba36 100644
--- a/pkgs/applications/science/physics/elmerfem/default.nix
+++ b/pkgs/applications/science/physics/elmerfem/default.nix
@@ -36,8 +36,6 @@ stdenv.mkDerivation rec {
     ./fix-cmake.patch
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://elmerfem.org/";
     description = "A finite element software for multiphysical problems";
diff --git a/pkgs/applications/video/kodi/default.nix b/pkgs/applications/video/kodi/default.nix
index a60250ee0ff..b295e892248 100644
--- a/pkgs/applications/video/kodi/default.nix
+++ b/pkgs/applications/video/kodi/default.nix
@@ -83,7 +83,6 @@ let
         repo  = name;
         inherit rev sha256;
       };
-      enableParallelBuilding = true;
     } // attrs');
 
   ffmpeg = kodiDependency rec {
@@ -242,8 +241,6 @@ in stdenv.mkDerivation {
       "-DGBM_RENDER_SYSTEM=gles"
     ];
 
-    enableParallelBuilding = true;
-
     # 14 tests fail but the biggest issue is that every test takes 30 seconds -
     # I'm guessing there is a thing waiting to time out
     doCheck = false;