treewide: remove enableParallelBuilding = true if using cmake

94 files changed, 1 insertions, 178 deletions

diff --git a/pkgs/development/libraries/alembic/default.nix b/pkgs/development/libraries/alembic/default.nix
index 126300aa19458..db22f463df003 100644
--- a/pkgs/development/libraries/alembic/default.nix
+++ b/pkgs/development/libraries/alembic/default.nix
@@ -17,8 +17,6 @@ stdenv.mkDerivation rec
   nativeBuildInputs = [ unzip cmake ];
   buildInputs = [ openexr hdf5-threadsafe ];
 
-  enableParallelBuilding = true;
-
   buildPhase = ''
     cmake -DUSE_HDF5=ON -DCMAKE_INSTALL_PREFIX=$out/ -DUSE_TESTS=OFF .
 
diff --git a/pkgs/development/libraries/arrayfire/default.nix b/pkgs/development/libraries/arrayfire/default.nix
index 9dd4b1b93a9d0..3e678c8544e0b 100644
--- a/pkgs/development/libraries/arrayfire/default.nix
+++ b/pkgs/development/libraries/arrayfire/default.nix
@@ -36,8 +36,6 @@ stdenv.mkDerivation rec {
     export CUDA_PATH="${cudatoolkit}"
   '';
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [
     cmake
     pkgconfig
diff --git a/pkgs/development/libraries/audio/mbelib/default.nix b/pkgs/development/libraries/audio/mbelib/default.nix
index 1fda3a919264f..993bbcd09c152 100644
--- a/pkgs/development/libraries/audio/mbelib/default.nix
+++ b/pkgs/development/libraries/audio/mbelib/default.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   doCheck = true;
   preCheck = ''
     export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD
diff --git a/pkgs/development/libraries/avro-c++/default.nix b/pkgs/development/libraries/avro-c++/default.nix
index c147b3f0b5e70..9ac609f1679cc 100644
--- a/pkgs/development/libraries/avro-c++/default.nix
+++ b/pkgs/development/libraries/avro-c++/default.nix
@@ -19,8 +19,6 @@ stdenv.mkDerivation {
     substituteInPlace test/buffertest.cc --replace "BOOST_MESSAGE" "BOOST_TEST_MESSAGE"
   '';
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "A C++ library which implements parts of the Avro Specification";
     homepage = "https://avro.apache.org/";
diff --git a/pkgs/development/libraries/avro-c/default.nix b/pkgs/development/libraries/avro-c/default.nix
index d96930f37f24b..99f8d7f8497ad 100644
--- a/pkgs/development/libraries/avro-c/default.nix
+++ b/pkgs/development/libraries/avro-c/default.nix
@@ -19,8 +19,6 @@ in stdenv.mkDerivation {
 
   buildInputs = [ jansson zlib ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A C library which implements parts of the Avro Specification";
     homepage = "https://avro.apache.org/";
diff --git a/pkgs/development/libraries/beignet/default.nix b/pkgs/development/libraries/beignet/default.nix
index 89ef702f4e509..5273ef0c5684e 100644
--- a/pkgs/development/libraries/beignet/default.nix
+++ b/pkgs/development/libraries/beignet/default.nix
@@ -30,8 +30,6 @@ stdenv.mkDerivation rec {
 
   patches = [ ./clang_llvm.patch ];
 
-  enableParallelBuilding = true;
-
   postPatch = ''
     substituteInPlace CMakeLists.txt --replace /etc/OpenCL/vendors "\''${CMAKE_INSTALL_PREFIX}/etc/OpenCL/vendors"
     patchShebangs src/git_sha1.sh
@@ -66,8 +64,6 @@ stdenv.mkDerivation rec {
       cd utests
     '';
 
-    enableParallelBuilding = true;
-
     nativeBuildInputs = [
       cmake
       python3
diff --git a/pkgs/development/libraries/boringssl/default.nix b/pkgs/development/libraries/boringssl/default.nix
index 20524cf179cf8..eb13321523dd0 100644
--- a/pkgs/development/libraries/boringssl/default.nix
+++ b/pkgs/development/libraries/boringssl/default.nix
@@ -12,7 +12,6 @@ stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [ cmake perl go ];
-  enableParallelBuilding = true;
 
   makeFlags = [ "GOCACHE=$(TMPDIR)/go-cache" ];
 
diff --git a/pkgs/development/libraries/bullet/default.nix b/pkgs/development/libraries/bullet/default.nix
index 1c9a10356a444..07222f469d110 100644
--- a/pkgs/development/libraries/bullet/default.nix
+++ b/pkgs/development/libraries/bullet/default.nix
@@ -38,8 +38,6 @@ stdenv.mkDerivation rec {
     "-DBUILD_UNIT_TESTS=OFF"
   ];
 
-  enableParallelBuilding = true;
-
   NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.cc.isClang
     "-Wno-error=argument-outside-range -Wno-error=c++11-narrowing";
 
diff --git a/pkgs/development/libraries/bullet/roboschool-fork.nix b/pkgs/development/libraries/bullet/roboschool-fork.nix
index abb9d3e2ce3d5..1387048070f35 100644
--- a/pkgs/development/libraries/bullet/roboschool-fork.nix
+++ b/pkgs/development/libraries/bullet/roboschool-fork.nix
@@ -42,8 +42,6 @@ stdenv.mkDerivation {
     "-DBUILD_UNIT_TESTS=OFF"
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A professional free 3D Game Multiphysics Library";
     longDescription = ''
diff --git a/pkgs/development/libraries/c-blosc/default.nix b/pkgs/development/libraries/c-blosc/default.nix
index 20b82df6169fd..7dfcce8e9d8c4 100644
--- a/pkgs/development/libraries/c-blosc/default.nix
+++ b/pkgs/development/libraries/c-blosc/default.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A blocking, shuffling and loss-less compression library";
     homepage = "https://www.blosc.org";
diff --git a/pkgs/development/libraries/cpp-hocon/default.nix b/pkgs/development/libraries/cpp-hocon/default.nix
index 47ec7a1a6eb4f..e084343a94cb4 100644
--- a/pkgs/development/libraries/cpp-hocon/default.nix
+++ b/pkgs/development/libraries/cpp-hocon/default.nix
@@ -17,8 +17,6 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ boost curl leatherman ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     inherit (src.meta) homepage;
     description = "A C++ port of the Typesafe Config library";
diff --git a/pkgs/development/libraries/criterion/default.nix b/pkgs/development/libraries/criterion/default.nix
index 3dc4b4624048f..bd42a9c866e56 100644
--- a/pkgs/development/libraries/criterion/default.nix
+++ b/pkgs/development/libraries/criterion/default.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [
diff --git a/pkgs/development/libraries/curlpp/default.nix b/pkgs/development/libraries/curlpp/default.nix
index 810bd3f15daba..46f1eb33f75a3 100644
--- a/pkgs/development/libraries/curlpp/default.nix
+++ b/pkgs/development/libraries/curlpp/default.nix
@@ -12,7 +12,6 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ curl ];
   nativeBuildInputs = [ cmake ];
-  enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
     homepage = "https://www.curlpp.org/";
diff --git a/pkgs/development/libraries/dlib/default.nix b/pkgs/development/libraries/dlib/default.nix
index 43ac2530cc131..c4d441df5a9ab 100644
--- a/pkgs/development/libraries/dlib/default.nix
+++ b/pkgs/development/libraries/dlib/default.nix
@@ -25,7 +25,6 @@ stdenv.mkDerivation rec {
     "-DUSE_DLIB_USE_CUDA=${if cudaSupport then "1" else "0"}"
     "-DUSE_AVX_INSTRUCTIONS=${if avxSupport then "yes" else "no"}" ];
 
-  enableParallelBuilding = true;
   nativeBuildInputs = [ cmake pkgconfig ];
   buildInputs = [ libpng libjpeg ] ++ lib.optional guiSupport libX11;
 
diff --git a/pkgs/development/libraries/doctest/default.nix b/pkgs/development/libraries/doctest/default.nix
index d647d5f388801..83f32b51a1db9 100644
--- a/pkgs/development/libraries/doctest/default.nix
+++ b/pkgs/development/libraries/doctest/default.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://github.com/onqtam/doctest";
     description = "The fastest feature-rich C++11/14/17/20 single-header testing framework";
diff --git a/pkgs/development/libraries/double-conversion/default.nix b/pkgs/development/libraries/double-conversion/default.nix
index ecd5ee67cf640..fd7a4e3f5f6f0 100644
--- a/pkgs/development/libraries/double-conversion/default.nix
+++ b/pkgs/development/libraries/double-conversion/default.nix
@@ -20,8 +20,6 @@ stdenv.mkDerivation rec {
     rm BUILD
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Binary-decimal and decimal-binary routines for IEEE doubles";
     homepage = "https://github.com/google/double-conversion";
diff --git a/pkgs/development/libraries/draco/default.nix b/pkgs/development/libraries/draco/default.nix
index 317742f07b3df..8479f3c2f8e1d 100644
--- a/pkgs/development/libraries/draco/default.nix
+++ b/pkgs/development/libraries/draco/default.nix
@@ -12,8 +12,6 @@ stdenv.mkDerivation rec {
     sha256 = "14ln4la52x38pf8syr7i5v4vd65ya4zij8zj5kgihah03cih0qcd";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake ];
 
   cmakeFlags = [
diff --git a/pkgs/development/libraries/drumstick/default.nix b/pkgs/development/libraries/drumstick/default.nix
index 5cef17f11196a..25ecbf03dc11a 100644
--- a/pkgs/development/libraries/drumstick/default.nix
+++ b/pkgs/development/libraries/drumstick/default.nix
@@ -23,8 +23,6 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" "man" ];
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [
     cmake docbook_xml_dtd_45 docbook_xml_dtd_45 docbook_xsl doxygen pkg-config wrapQtAppsHook
   ];
diff --git a/pkgs/development/libraries/eccodes/default.nix b/pkgs/development/libraries/eccodes/default.nix
index e3bed6186302b..867f0e59393cd 100644
--- a/pkgs/development/libraries/eccodes/default.nix
+++ b/pkgs/development/libraries/eccodes/default.nix
@@ -35,8 +35,6 @@ stdenv.mkDerivation rec {
                  "-DENABLE_ECCODES_OMP_THREADS=${if enableOpenMPThreads then "ON" else "OFF"}"
                ];
 
-  enableParallelBuilding = true;
-
   doCheck = true;
 
   # Only do tests that don't require downloading 120MB of testdata
diff --git a/pkgs/development/libraries/fcppt/default.nix b/pkgs/development/libraries/fcppt/default.nix
index 22d3bd889e115..d76772500fb2c 100644
--- a/pkgs/development/libraries/fcppt/default.nix
+++ b/pkgs/development/libraries/fcppt/default.nix
@@ -15,8 +15,6 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [ "-DCMAKE_SKIP_BUILD_RPATH=false" "-DENABLE_BOOST=true" "-DENABLE_EXAMPLES=true" "-DENABLE_CATCH=true" "-DENABLE_TEST=true" ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Freundlich's C++ toolkit";
     longDescription = ''
diff --git a/pkgs/development/libraries/flatbuffers/default.nix b/pkgs/development/libraries/flatbuffers/default.nix
index 424aeb8637d4f..6f19c15945ccc 100644
--- a/pkgs/development/libraries/flatbuffers/default.nix
+++ b/pkgs/development/libraries/flatbuffers/default.nix
@@ -16,7 +16,6 @@ stdenv.mkDerivation rec {
   '';
 
   nativeBuildInputs = [ cmake ];
-  enableParallelBuilding = true;
 
   cmakeFlags = [ "-DFLATBUFFERS_BUILD_TESTS=${if doCheck then "ON" else "OFF"}" ];
 
diff --git a/pkgs/development/libraries/freeglut/default.nix b/pkgs/development/libraries/freeglut/default.nix
index 6d4e560e93b44..bb61231d445b8 100644
--- a/pkgs/development/libraries/freeglut/default.nix
+++ b/pkgs/development/libraries/freeglut/default.nix
@@ -23,8 +23,6 @@ in stdenv.mkDerivation {
                  "-DFREEGLUT_BUILD_STATIC:BOOL=OFF"
                ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Create and manage windows containing OpenGL contexts";
     longDescription = ''
diff --git a/pkgs/development/libraries/freetds/default.nix b/pkgs/development/libraries/freetds/default.nix
index c1b9318130c11..1dc9633d1a733 100644
--- a/pkgs/development/libraries/freetds/default.nix
+++ b/pkgs/development/libraries/freetds/default.nix
@@ -21,8 +21,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Libraries to natively talk to Microsoft SQL Server and Sybase databases";
     homepage    = "https://www.freetds.org";
diff --git a/pkgs/development/libraries/gbenchmark/default.nix b/pkgs/development/libraries/gbenchmark/default.nix
index 0eff8eafacfca..ab6a379116d53 100644
--- a/pkgs/development/libraries/gbenchmark/default.nix
+++ b/pkgs/development/libraries/gbenchmark/default.nix
@@ -18,7 +18,6 @@ stdenv.mkDerivation rec {
     chmod -R u+w googletest
   '';
 
-  enableParallelBuilding = true;
   doCheck = true;
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/git2/default.nix b/pkgs/development/libraries/git2/default.nix
index 96b67c7ccca88..edbb3d82241ab 100644
--- a/pkgs/development/libraries/git2/default.nix
+++ b/pkgs/development/libraries/git2/default.nix
@@ -27,8 +27,6 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = stdenv.lib.optional (!stdenv.isLinux) libiconv;
 
-  enableParallelBuilding = true;
-
   doCheck = false; # hangs. or very expensive?
 
   meta = {
diff --git a/pkgs/development/libraries/glfw/3.x.nix b/pkgs/development/libraries/glfw/3.x.nix
index fbc1cb818ca84..62c1c596d2c30 100644
--- a/pkgs/development/libraries/glfw/3.x.nix
+++ b/pkgs/development/libraries/glfw/3.x.nix
@@ -14,8 +14,6 @@ stdenv.mkDerivation rec {
     sha256 = "0b5lsxz1xkzip7fvbicjkxvg5ig8gbhx1zrlhandqc0rpk56bvyw";
   };
 
-  enableParallelBuilding = true;
-
   propagatedBuildInputs = [ libGL ];
 
   nativeBuildInputs = [ cmake ]
diff --git a/pkgs/development/libraries/hotpatch/default.nix b/pkgs/development/libraries/hotpatch/default.nix
index df3581cc8095a..f8211b89d77a9 100644
--- a/pkgs/development/libraries/hotpatch/default.nix
+++ b/pkgs/development/libraries/hotpatch/default.nix
@@ -10,7 +10,6 @@ stdenv.mkDerivation rec {
     sha256 = "169vdh55wsbn6fl58lpzqx64v6ifzh7krykav33x1d9hsk98qjqh";
   };
 
-  enableParallelBuilding = true;
   doCheck = true;
 
   nativeBuildInputs = [ cmake ];
diff --git a/pkgs/development/libraries/itk/4.x.nix b/pkgs/development/libraries/itk/4.x.nix
index 112b77650d299..7a7176c88c1e0 100644
--- a/pkgs/development/libraries/itk/4.x.nix
+++ b/pkgs/development/libraries/itk/4.x.nix
@@ -22,8 +22,6 @@ stdenv.mkDerivation rec {
     "-DModule_ITKReview=ON"
   ];
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake xz ];
   buildInputs = [ libX11 libuuid vtk_7 ] ++ stdenv.lib.optionals stdenv.isDarwin [ Cocoa ];
 
diff --git a/pkgs/development/libraries/itk/default.nix b/pkgs/development/libraries/itk/default.nix
index c0416b23dc22a..598ad52de0497 100644
--- a/pkgs/development/libraries/itk/default.nix
+++ b/pkgs/development/libraries/itk/default.nix
@@ -28,8 +28,6 @@ stdenv.mkDerivation rec {
     "-DModule_ITKReview=ON"
   ];
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake xz makeWrapper ];
   buildInputs = [ libX11 libuuid vtk_7 ] ++ stdenv.lib.optionals stdenv.isDarwin [ Cocoa ];
 
diff --git a/pkgs/development/libraries/kmsxx/default.nix b/pkgs/development/libraries/kmsxx/default.nix
index 5bd311af2d85b..f00d7e59b743b 100644
--- a/pkgs/development/libraries/kmsxx/default.nix
+++ b/pkgs/development/libraries/kmsxx/default.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation {
     sha256 = "0xz4m9bk0naawxwpx5cy1j3cm6c8c9m5y551csk88y88x1g0z0xh";
   };
 
-  enableParallelBuilding = true;
-
   cmakeFlags = stdenv.lib.optional (!withPython) "-DKMSXX_ENABLE_PYTHON=OFF";
 
   nativeBuildInputs = [ cmake pkgconfig ];
diff --git a/pkgs/development/libraries/kpmcore/default.nix b/pkgs/development/libraries/kpmcore/default.nix
index 1c00b6be2f201..d2677f69f9fc2 100644
--- a/pkgs/development/libraries/kpmcore/default.nix
+++ b/pkgs/development/libraries/kpmcore/default.nix
@@ -24,8 +24,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ extra-cmake-modules ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     maintainers = with lib.maintainers; [ peterhoeg ];
     # The build requires at least Qt 5.14:
diff --git a/pkgs/development/libraries/leatherman/default.nix b/pkgs/development/libraries/leatherman/default.nix
index a1de88ef1ca48..7f1c292c5f13e 100644
--- a/pkgs/development/libraries/leatherman/default.nix
+++ b/pkgs/development/libraries/leatherman/default.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ boost curl ruby ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://github.com/puppetlabs/leatherman/";
     description = "A collection of C++ and CMake utility libraries";
diff --git a/pkgs/development/libraries/libechonest/default.nix b/pkgs/development/libraries/libechonest/default.nix
index cde046bf1327d..957daf7dc4124 100644
--- a/pkgs/development/libraries/libechonest/default.nix
+++ b/pkgs/development/libraries/libechonest/default.nix
@@ -25,7 +25,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake doxygen ];
   buildInputs = [ qt4 qjson ];
 
-  enableParallelBuilding = true;
   doCheck = false; # requires network access
 
   meta = {
diff --git a/pkgs/development/libraries/libgaminggear/default.nix b/pkgs/development/libraries/libgaminggear/default.nix
index c0aa67238bff3..b3d58c446cffd 100644
--- a/pkgs/development/libraries/libgaminggear/default.nix
+++ b/pkgs/development/libraries/libgaminggear/default.nix
@@ -20,8 +20,6 @@ stdenv.mkDerivation rec {
     gtk2 libcanberra libnotify pcre sqlite xorg.libXdmcp xorg.libpthreadstubs
   ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DINSTALL_CMAKE_MODULESDIR=lib/cmake"
     "-DINSTALL_PKGCONFIGDIR=lib/pkgconfig"
diff --git a/pkgs/development/libraries/libjson-rpc-cpp/default.nix b/pkgs/development/libraries/libjson-rpc-cpp/default.nix
index eec93ef11a870..2b56590df5dc2 100644
--- a/pkgs/development/libraries/libjson-rpc-cpp/default.nix
+++ b/pkgs/development/libraries/libjson-rpc-cpp/default.nix
@@ -56,8 +56,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ jsoncpp argtable curl libmicrohttpd doxygen catch ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "C++ framework for json-rpc (json remote procedure call)";
     homepage = "https://github.com/cinemast/libjson-rpc-cpp";
diff --git a/pkgs/development/libraries/libktorrent/default.nix b/pkgs/development/libraries/libktorrent/default.nix
index 19c24ec375492..9aea99f6a4038 100644
--- a/pkgs/development/libraries/libktorrent/default.nix
+++ b/pkgs/development/libraries/libktorrent/default.nix
@@ -23,8 +23,6 @@ in stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [ gmp boost ];
 
-  enableParallelBuilding = true;
-
   passthru = {
     inherit mainVersion;
   };
diff --git a/pkgs/development/libraries/libnabo/default.nix b/pkgs/development/libraries/libnabo/default.nix
index e9b47e6d40625..91843163176b4 100644
--- a/pkgs/development/libraries/libnabo/default.nix
+++ b/pkgs/development/libraries/libnabo/default.nix
@@ -14,8 +14,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ eigen boost ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DEIGEN_INCLUDE_DIR=${eigen}/include/eigen3"
   ];
diff --git a/pkgs/development/libraries/libnats-c/default.nix b/pkgs/development/libraries/libnats-c/default.nix
index 3916ff35f696e..12f1038f8e1cd 100644
--- a/pkgs/development/libraries/libnats-c/default.nix
+++ b/pkgs/development/libraries/libnats-c/default.nix
@@ -18,7 +18,6 @@ stdenv.mkDerivation rec {
   buildInputs = [ libsodium openssl protobuf protobufc ];
 
   separateDebugInfo = true;
-  enableParallelBuilding = true;
   outputs = [ "out" "dev" ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/libpointmatcher/default.nix b/pkgs/development/libraries/libpointmatcher/default.nix
index 20b2988417cc9..3a90f28e7578f 100644
--- a/pkgs/development/libraries/libpointmatcher/default.nix
+++ b/pkgs/development/libraries/libpointmatcher/default.nix
@@ -14,8 +14,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake ];
   buildInputs = [ eigen boost libnabo ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DEIGEN_INCLUDE_DIR=${eigen}/include/eigen3"
   ];
diff --git a/pkgs/development/libraries/libressl/default.nix b/pkgs/development/libraries/libressl/default.nix
index 1f6313d8caab1..fdd762fef0722 100644
--- a/pkgs/development/libraries/libressl/default.nix
+++ b/pkgs/development/libraries/libressl/default.nix
@@ -40,8 +40,6 @@ let
       substituteInPlace ./tls/tls_config.c --replace '"/etc/ssl/cert.pem"' '"${cacert}/etc/ssl/certs/ca-bundle.crt"'
     '';
 
-    enableParallelBuilding = true;
-
     outputs = [ "bin" "dev" "out" "man" "nc" ];
 
     postFixup = ''
diff --git a/pkgs/development/libraries/librime/default.nix b/pkgs/development/libraries/librime/default.nix
index a9a17eca786a6..4de2f1f8d3f6a 100644
--- a/pkgs/development/libraries/librime/default.nix
+++ b/pkgs/development/libraries/librime/default.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ boost glog leveldb marisa opencc libyamlcpp gmock ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage    = "https://rime.im/";
     description = "Rime Input Method Engine, the core library";
diff --git a/pkgs/development/libraries/libtins/default.nix b/pkgs/development/libraries/libtins/default.nix
index bde1cbf44e1f6..d70921e3354dd 100644
--- a/pkgs/development/libraries/libtins/default.nix
+++ b/pkgs/development/libraries/libtins/default.nix
@@ -29,7 +29,6 @@ stdenv.mkDerivation rec {
     "--with-boost=${boost.dev}"
   ];
 
-  enableParallelBuilding = true;
   doCheck = true;
   preCheck = ''
     export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD${placeholder "out"}/lib
diff --git a/pkgs/development/libraries/libtoxcore/default.nix b/pkgs/development/libraries/libtoxcore/default.nix
index 6d170c798d0a4..42c35e68edd90 100644
--- a/pkgs/development/libraries/libtoxcore/default.nix
+++ b/pkgs/development/libraries/libtoxcore/default.nix
@@ -28,8 +28,6 @@ let
 
     nativeBuildInputs = [ cmake pkgconfig ];
 
-    enableParallelBuilding = true;
-
     doCheck = false; # hangs, tries to access the net?
     checkInputs = [ check ];
 
diff --git a/pkgs/development/libraries/libunarr/default.nix b/pkgs/development/libraries/libunarr/default.nix
index 3bc5f1370918d..6515a51f137dc 100644
--- a/pkgs/development/libraries/libunarr/default.nix
+++ b/pkgs/development/libraries/libunarr/default.nix
@@ -11,8 +11,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://github.com/selmf/unarr";
     description = "A lightweight decompression library with support for rar, tar and zip archives";
diff --git a/pkgs/development/libraries/libwhereami/default.nix b/pkgs/development/libraries/libwhereami/default.nix
index 59e349b4e6a17..7dac33152856c 100644
--- a/pkgs/development/libraries/libwhereami/default.nix
+++ b/pkgs/development/libraries/libwhereami/default.nix
@@ -17,8 +17,6 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ boost curl leatherman ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     inherit (src.meta) homepage;
     description = "Library to report hypervisor information from inside a VM";
diff --git a/pkgs/development/libraries/medfile/default.nix b/pkgs/development/libraries/medfile/default.nix
index 246bdb1480c02..4821b9865b201 100644
--- a/pkgs/development/libraries/medfile/default.nix
+++ b/pkgs/development/libraries/medfile/default.nix
@@ -9,8 +9,6 @@ stdenv.mkDerivation rec {
     sha256 = "1khzclkrd1yn9mz3g14ndgpsbj8j50v8dsjarcj6kkn9zgbbazc4";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake ];
   buildInputs = [ hdf5 ];
 
diff --git a/pkgs/development/libraries/metal/default.nix b/pkgs/development/libraries/metal/default.nix
index 7e047c28d0a69..090fd46640e69 100644
--- a/pkgs/development/libraries/metal/default.nix
+++ b/pkgs/development/libraries/metal/default.nix
@@ -12,8 +12,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Single-header C++11 library designed to make you love template metaprogramming";
     homepage = "https://github.com/brunocodutra/metal";
diff --git a/pkgs/development/libraries/mimalloc/default.nix b/pkgs/development/libraries/mimalloc/default.nix
index 7382ed57c6400..fcc44062b5175 100644
--- a/pkgs/development/libraries/mimalloc/default.nix
+++ b/pkgs/development/libraries/mimalloc/default.nix
@@ -17,7 +17,6 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ cmake ninja ];
-  enableParallelBuilding = true;
   cmakeFlags = stdenv.lib.optional secureBuild [ "-DMI_SECURE=ON" ];
 
   postInstall = let
diff --git a/pkgs/development/libraries/mlt/qt-5.nix b/pkgs/development/libraries/mlt/qt-5.nix
index 7bcbff78767f5..f8ec278ea78bb 100644
--- a/pkgs/development/libraries/mlt/qt-5.nix
+++ b/pkgs/development/libraries/mlt/qt-5.nix
@@ -75,8 +75,6 @@ mkDerivation rec {
 
   CXXFLAGS = "-std=c++11";
 
-  enableParallelBuilding = true;
-
   qtWrapperArgs = [
     "--prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1"
     "--prefix LADSPA_PATH : ${ladspaPlugins}/lib/ladspa"
diff --git a/pkgs/development/libraries/msgpack/generic.nix b/pkgs/development/libraries/msgpack/generic.nix
index 4cb743a38f8fb..d7d79de8b2b62 100644
--- a/pkgs/development/libraries/msgpack/generic.nix
+++ b/pkgs/development/libraries/msgpack/generic.nix
@@ -11,12 +11,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
-  cmakeFlags = []
-    ++ stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform)
-                           "-DMSGPACK_BUILD_EXAMPLES=OFF"
-    ;
+  cmakeFlags = stdenv.lib.optional (stdenv.hostPlatform != stdenv.buildPlatform) "-DMSGPACK_BUILD_EXAMPLES=OFF";
 
   meta = with stdenv.lib; {
     description = "MessagePack implementation for C and C++";
diff --git a/pkgs/development/libraries/ngt/default.nix b/pkgs/development/libraries/ngt/default.nix
index 977bdf9afe37a..beedfe521dff7 100644
--- a/pkgs/development/libraries/ngt/default.nix
+++ b/pkgs/development/libraries/ngt/default.nix
@@ -15,8 +15,6 @@ stdenv.mkDerivation rec {
   NIX_ENFORCE_NO_NATIVE=! enableAVX;
   __AVX2__ = if enableAVX then 1 else 0;
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://github.com/yahoojapan/NGT";
     description = "Nearest Neighbor Search with Neighborhood Graph and Tree for High-dimensional Data";
diff --git a/pkgs/development/libraries/nlohmann_json/default.nix b/pkgs/development/libraries/nlohmann_json/default.nix
index 84b86b47157d4..34c0f6294af50 100644
--- a/pkgs/development/libraries/nlohmann_json/default.nix
+++ b/pkgs/development/libraries/nlohmann_json/default.nix
@@ -14,8 +14,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   cmakeFlags = [
     "-DBuildTests=${if doCheck then "ON" else "OFF"}"
     "-DJSON_MultipleHeaders=ON"
diff --git a/pkgs/development/libraries/nuspell/default.nix b/pkgs/development/libraries/nuspell/default.nix
index b0a9227b8c939..bc6ceff837899 100644
--- a/pkgs/development/libraries/nuspell/default.nix
+++ b/pkgs/development/libraries/nuspell/default.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "lib" "dev" "man" ];
 
-  enableParallelBuilding = true;
-
   postPatch = ''
     rm -rf external/Catch2
     ln -sf ${catch2.src} external/Catch2
diff --git a/pkgs/development/libraries/nvidia-texture-tools/default.nix b/pkgs/development/libraries/nvidia-texture-tools/default.nix
index a2bdbc798eb09..577f56e8c2752 100644
--- a/pkgs/development/libraries/nvidia-texture-tools/default.nix
+++ b/pkgs/development/libraries/nvidia-texture-tools/default.nix
@@ -37,8 +37,6 @@ stdenv.mkDerivation rec {
     moveToOutput lib "$lib"
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "A set of cuda-enabled texture tools and compressors";
     homepage = "https://github.com/castano/nvidia-texture-tools";
diff --git a/pkgs/development/libraries/ogrepaged/default.nix b/pkgs/development/libraries/ogrepaged/default.nix
index e4dc186f389cf..9a8c092406cc1 100644
--- a/pkgs/development/libraries/ogrepaged/default.nix
+++ b/pkgs/development/libraries/ogrepaged/default.nix
@@ -31,8 +31,6 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [ "-DPAGEDGEOMETRY_BUILD_SAMPLES=OFF" ];
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "Paged Geometry for Ogre3D";
     homepage = "https://github.com/RigsOfRods/ogre-paged";
diff --git a/pkgs/development/libraries/opae/default.nix b/pkgs/development/libraries/opae/default.nix
index 683f2c43bdc88..e9d501f792812 100644
--- a/pkgs/development/libraries/opae/default.nix
+++ b/pkgs/development/libraries/opae/default.nix
@@ -37,7 +37,6 @@ stdenv.mkDerivation rec {
   '';
 
   cmakeFlags = [ "-DBUILD_ASE=1" ];
-  enableParallelBuilding = true;
 
   meta = with stdenv.lib; {
     description = "Open Programmable Acceleration Engine SDK";
diff --git a/pkgs/development/libraries/openbr/default.nix b/pkgs/development/libraries/openbr/default.nix
index 1516e675d7394..3e2d0f6b6e8bc 100644
--- a/pkgs/development/libraries/openbr/default.nix
+++ b/pkgs/development/libraries/openbr/default.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "Open Source Biometric Recognition";
     homepage = "http://openbiometrics.org/";
diff --git a/pkgs/development/libraries/opencollada/default.nix b/pkgs/development/libraries/opencollada/default.nix
index 4c88f164b3794..a9c26d00e3ac9 100644
--- a/pkgs/development/libraries/opencollada/default.nix
+++ b/pkgs/development/libraries/opencollada/default.nix
@@ -18,8 +18,6 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [ libxml2 pcre ];
 
-  enableParallelBuilding = true;
-
   patchPhase = ''
     patch -p1 < ${./pcre.patch}
   '' + lib.optionalString stdenv.isDarwin ''
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index 2ad2d016c9fd1..a861591f85f4f 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -245,8 +245,6 @@ stdenv.mkDerivation {
     "-DEIGEN_INCLUDE_PATH=${eigen}/include/eigen3"
   ];
 
-  enableParallelBuilding = true;
-
   postBuild = lib.optionalString enableDocs ''
     make doxygen
   '';
diff --git a/pkgs/development/libraries/opencv/4.x.nix b/pkgs/development/libraries/opencv/4.x.nix
index c6547f118d066..0d225127dd80b 100644
--- a/pkgs/development/libraries/opencv/4.x.nix
+++ b/pkgs/development/libraries/opencv/4.x.nix
@@ -253,8 +253,6 @@ stdenv.mkDerivation {
     "-DOPENCV_SKIP_PYTHON_LOADER=ON"
   ];
 
-  enableParallelBuilding = true;
-
   postBuild = lib.optionalString enableDocs ''
     make doxygen
   '';
diff --git a/pkgs/development/libraries/opencv/default.nix b/pkgs/development/libraries/opencv/default.nix
index 56414cfa39790..055377b09f568 100644
--- a/pkgs/development/libraries/opencv/default.nix
+++ b/pkgs/development/libraries/opencv/default.nix
@@ -69,8 +69,6 @@ stdenv.mkDerivation rec {
     (opencvFlag "GSTREAMER" enableGStreamer)
   ];
 
-  enableParallelBuilding = true;
-
   hardeningDisable = [ "bindnow" "relro" ];
 
   # Fix pkgconfig file that gets broken with multiple outputs
diff --git a/pkgs/development/libraries/opensubdiv/default.nix b/pkgs/development/libraries/opensubdiv/default.nix
index 080db7fad14be..9228424797e2c 100644
--- a/pkgs/development/libraries/opensubdiv/default.nix
+++ b/pkgs/development/libraries/opensubdiv/default.nix
@@ -41,8 +41,6 @@ stdenv.mkDerivation rec {
       "-DCUDA_HOST_COMPILER=${cudatoolkit.cc}/bin/cc"
     ];
 
-  enableParallelBuilding = true;
-
   postInstall = "rm $out/lib/*.a";
 
   meta = {
diff --git a/pkgs/development/libraries/openxr-loader/default.nix b/pkgs/development/libraries/openxr-loader/default.nix
index f0c4c47db03be..415846dd2fab5 100644
--- a/pkgs/development/libraries/openxr-loader/default.nix
+++ b/pkgs/development/libraries/openxr-loader/default.nix
@@ -13,7 +13,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake python3 ];
   buildInputs = [ libX11 libXxf86vm libXrandr vulkan-headers libGL ];
-  enableParallelBuilding = true;
 
   cmakeFlags = [ "-DBUILD_TESTS=OFF" ];
 
diff --git a/pkgs/development/libraries/pangolin/default.nix b/pkgs/development/libraries/pangolin/default.nix
index 2b0e15468b12b..5fbd9595766a0 100644
--- a/pkgs/development/libraries/pangolin/default.nix
+++ b/pkgs/development/libraries/pangolin/default.nix
@@ -30,8 +30,6 @@ stdenv.mkDerivation {
   ]
   ++ lib.optionals stdenv.isDarwin [ Carbon Cocoa ];
 
-  enableParallelBuilding = true;
-
   # The tests use cmake's findPackage to find the installed version of
   # pangolin, which isn't what we want (or available).
   doCheck = false;
diff --git a/pkgs/development/libraries/partio/default.nix b/pkgs/development/libraries/partio/default.nix
index ba042562320be..2f7574d363720 100644
--- a/pkgs/development/libraries/partio/default.nix
+++ b/pkgs/development/libraries/partio/default.nix
@@ -16,8 +16,6 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ unzip cmake doxygen ];
   buildInputs = [ freeglut libGLU libGL zlib swig python xorg.libXi xorg.libXmu ];
 
-  enableParallelBuilding = true;
-
   buildPhase = ''
     make partio
 
diff --git a/pkgs/development/libraries/pcl/default.nix b/pkgs/development/libraries/pcl/default.nix
index 753f5ae391104..06f5499b901bc 100644
--- a/pkgs/development/libraries/pcl/default.nix
+++ b/pkgs/development/libraries/pcl/default.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
     sha256 = "1cli2rxqsk6nxp36p5mgvvahjz8hm4fb68yi8cf9nw4ygbcvcwb1";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ pkgconfig cmake ];
   buildInputs = [ qhull flann boost eigen libusb1 libpcap
                   libpng vtk qtbase libXt ]
diff --git a/pkgs/development/libraries/physfs/default.nix b/pkgs/development/libraries/physfs/default.nix
index 160f2f64cf40b..93c0702e3eff1 100644
--- a/pkgs/development/libraries/physfs/default.nix
+++ b/pkgs/development/libraries/physfs/default.nix
@@ -17,8 +17,6 @@ let
     buildInputs = [ zlib ]
       ++ stdenv.lib.optionals stdenv.isDarwin [ darwin.apple_sdk.frameworks.Foundation ];
 
-    enableParallelBuilding = true;
-
     patchPhase = ''
       sed s,-Werror,, -i CMakeLists.txt
     '';
diff --git a/pkgs/development/libraries/physics/geant4/default.nix b/pkgs/development/libraries/physics/geant4/default.nix
index 7caae2c52d335..0b48b291555fd 100644
--- a/pkgs/development/libraries/physics/geant4/default.nix
+++ b/pkgs/development/libraries/physics/geant4/default.nix
@@ -87,7 +87,6 @@ stdenv.mkDerivation rec {
     "-DINVENTOR_LIBRARY_RELEASE=${coin3d}/lib/libCoin.so"
   ];
 
-  enableParallelBuilding = true;
   nativeBuildInputs =  [ cmake ];
 
   buildInputs = [ libGLU xlibsWrapper libXmu ]
diff --git a/pkgs/development/libraries/poco/default.nix b/pkgs/development/libraries/poco/default.nix
index b2a4fb1b0c323..c0f74630757ac 100644
--- a/pkgs/development/libraries/poco/default.nix
+++ b/pkgs/development/libraries/poco/default.nix
@@ -21,8 +21,6 @@ stdenv.mkDerivation rec {
     "-DPOCO_UNBUNDLED=ON"
   ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     homepage = "https://pocoproject.org/";
     description = "Cross-platform C++ libraries with a network/internet focus";
diff --git a/pkgs/development/libraries/precice/default.nix b/pkgs/development/libraries/precice/default.nix
index e8ae15ed31f46..e9e67737d3282 100644
--- a/pkgs/development/libraries/precice/default.nix
+++ b/pkgs/development/libraries/precice/default.nix
@@ -22,7 +22,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake gcc ];
   buildInputs = [ boost eigen libxml2 openmpi python3 python3.pkgs.numpy ];
-  enableParallelBuilding = true;
 
   meta = {
     description = "preCICE stands for Precise Code Interaction Coupling Environment";
diff --git a/pkgs/development/libraries/qca2/default.nix b/pkgs/development/libraries/qca2/default.nix
index bb89d6926815a..6520d4a64a355 100644
--- a/pkgs/development/libraries/qca2/default.nix
+++ b/pkgs/development/libraries/qca2/default.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
   buildInputs = [ openssl qt ]
     ++ stdenv.lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security;
 
-  enableParallelBuilding = true;
-
   # tells CMake to use this CA bundle file if it is accessible
   preConfigure = ''
     export QC_CERTSTORE_PATH=/etc/ssl/certs/ca-certificates.crt
diff --git a/pkgs/development/libraries/qt-5/modules/qtbase.nix b/pkgs/development/libraries/qt-5/modules/qtbase.nix
index cc6e45e3ebde5..5d6f91a79113f 100644
--- a/pkgs/development/libraries/qt-5/modules/qtbase.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtbase.nix
@@ -356,8 +356,6 @@ stdenv.mkDerivation {
         ]
     );
 
-  enableParallelBuilding = true;
-
   postInstall =
     # Move selected outputs.
     ''
diff --git a/pkgs/development/libraries/range-v3/default.nix b/pkgs/development/libraries/range-v3/default.nix
index 3799ccbb59c61..47c56aaa1e8e1 100644
--- a/pkgs/development/libraries/range-v3/default.nix
+++ b/pkgs/development/libraries/range-v3/default.nix
@@ -24,8 +24,6 @@ stdenv.mkDerivation rec {
   doCheck = !stdenv.isAarch64;
   checkTarget = "test";
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Experimental range library for C++11/14/17";
     homepage = "https://github.com/ericniebler/range-v3";
diff --git a/pkgs/development/libraries/science/biology/mirtk/default.nix b/pkgs/development/libraries/science/biology/mirtk/default.nix
index 4291e11ed33f1..d010e84f712b5 100644
--- a/pkgs/development/libraries/science/biology/mirtk/default.nix
+++ b/pkgs/development/libraries/science/biology/mirtk/default.nix
@@ -31,8 +31,6 @@ stdenv.mkDerivation rec {
     install -Dm644 -t "$out/share/bash-completion/completions/mirtk" share/completion/bash/mirtk
   '';
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake gtest ];
   buildInputs = [ boost eigen python vtk zlib tbb ];
 
diff --git a/pkgs/development/libraries/science/electronics/qcsxcad/default.nix b/pkgs/development/libraries/science/electronics/qcsxcad/default.nix
index 7e73354363eaf..a20f6973384ad 100644
--- a/pkgs/development/libraries/science/electronics/qcsxcad/default.nix
+++ b/pkgs/development/libraries/science/electronics/qcsxcad/default.nix
@@ -37,8 +37,6 @@ mkDerivation {
     qtbase
   ];
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "Qt library for CSXCAD";
     homepage = "https://github.com/thliebig/QCSXCAD";
diff --git a/pkgs/development/libraries/science/math/caffe2/default.nix b/pkgs/development/libraries/science/math/caffe2/default.nix
index 7755efb306585..6b37abf9c6968 100644
--- a/pkgs/development/libraries/science/math/caffe2/default.nix
+++ b/pkgs/development/libraries/science/math/caffe2/default.nix
@@ -126,7 +126,6 @@ stdenv.mkDerivation rec {
   '';
 
   doCheck = false;
-  enableParallelBuilding = true;
 
   meta = {
     homepage = "https://caffe2.ai/";
diff --git a/pkgs/development/libraries/science/math/itpp/default.nix b/pkgs/development/libraries/science/math/itpp/default.nix
index c74a7408e98e0..90e0a84e1e266 100644
--- a/pkgs/development/libraries/science/math/itpp/default.nix
+++ b/pkgs/development/libraries/science/math/itpp/default.nix
@@ -35,8 +35,6 @@ stdenv.mkDerivation rec {
     "-DGTEST_DIR:PATH=${gtest.src}/googletest"
   ];
 
-  enableParallelBuilding = true;
-
   doCheck = true;
 
   checkPhase = ''
diff --git a/pkgs/development/libraries/science/math/liblapack/default.nix b/pkgs/development/libraries/science/math/liblapack/default.nix
index 045cccbd2ebfa..c44e995bfbbc0 100644
--- a/pkgs/development/libraries/science/math/liblapack/default.nix
+++ b/pkgs/development/libraries/science/math/liblapack/default.nix
@@ -33,8 +33,6 @@ stdenv.mkDerivation {
 
   doCheck = true;
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     inherit version;
     description = "Linear Algebra PACKage";
diff --git a/pkgs/development/libraries/science/math/or-tools/default.nix b/pkgs/development/libraries/science/math/or-tools/default.nix
index 926f7ba4789cb..0dc77c10c5e76 100644
--- a/pkgs/development/libraries/science/math/or-tools/default.nix
+++ b/pkgs/development/libraries/science/math/or-tools/default.nix
@@ -53,8 +53,6 @@ stdenv.mkDerivation rec {
     python.pkgs.protobuf python.pkgs.six
   ];
 
-  enableParallelBuilding = true;
-
   outputs = [ "out" "python" ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/science/math/scalapack/default.nix b/pkgs/development/libraries/science/math/scalapack/default.nix
index 1cf9c2ed8d53d..b4d339f62269e 100644
--- a/pkgs/development/libraries/science/math/scalapack/default.nix
+++ b/pkgs/development/libraries/science/math/scalapack/default.nix
@@ -18,8 +18,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake openssh ];
   buildInputs = [ mpi gfortran blas lapack ];
 
-  enableParallelBuilding = true;
-
   doCheck = true;
 
   preConfigure = ''
diff --git a/pkgs/development/libraries/simgear/default.nix b/pkgs/development/libraries/simgear/default.nix
index e6fb1d7caf75c..da25305fc4210 100644
--- a/pkgs/development/libraries/simgear/default.nix
+++ b/pkgs/development/libraries/simgear/default.nix
@@ -21,8 +21,6 @@ stdenv.mkDerivation rec {
                   libICE libSM libXt libXmu libGLU libGL boost zlib libjpeg freealut
                   openscenegraph openal expat apr curl ];
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Simulation construction toolkit";
     homepage = "https://gitorious.org/fg/simgear";
diff --git a/pkgs/development/libraries/telepathy/qt/default.nix b/pkgs/development/libraries/telepathy/qt/default.nix
index 2addb86246dde..ff8ff83fb9ae8 100644
--- a/pkgs/development/libraries/telepathy/qt/default.nix
+++ b/pkgs/development/libraries/telepathy/qt/default.nix
@@ -20,7 +20,6 @@ in stdenv.mkDerivation rec {
   # On 0.9.7, they do not even build with QT4
   cmakeFlags = stdenv.lib.optional (!doCheck) "-DENABLE_TESTS=OFF";
 
-  enableParallelBuilding = true;
   doCheck = false; # giving up for now
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/tiledb/default.nix b/pkgs/development/libraries/tiledb/default.nix
index eb65d07b28378..560a991c44afd 100644
--- a/pkgs/development/libraries/tiledb/default.nix
+++ b/pkgs/development/libraries/tiledb/default.nix
@@ -47,8 +47,6 @@ stdenv.mkDerivation rec {
     gtest
   ];
 
-  enableParallelBuilding = true;
-
   buildInputs = [
     catch2
     zlib
diff --git a/pkgs/development/libraries/vc/0.7.nix b/pkgs/development/libraries/vc/0.7.nix
index 46a3a3e52f0f6..119254107e9c0 100644
--- a/pkgs/development/libraries/vc/0.7.nix
+++ b/pkgs/development/libraries/vc/0.7.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   postPatch = ''
     sed -i '/OptimizeForArchitecture()/d' cmake/VcMacros.cmake
     sed -i '/AutodetectHostArchitecture()/d' print_target_architecture.cmake
diff --git a/pkgs/development/libraries/vc/default.nix b/pkgs/development/libraries/vc/default.nix
index 49d3f9af7193e..d3673e783cd17 100644
--- a/pkgs/development/libraries/vc/default.nix
+++ b/pkgs/development/libraries/vc/default.nix
@@ -13,8 +13,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
-  enableParallelBuilding = true;
-
   postPatch = ''
     sed -i '/OptimizeForArchitecture()/d' cmake/VcMacros.cmake
     sed -i '/AutodetectHostArchitecture()/d' print_target_architecture.cmake
diff --git a/pkgs/development/libraries/vigra/default.nix b/pkgs/development/libraries/vigra/default.nix
index 16b4b3c3755ba..7bff0981e7688 100644
--- a/pkgs/development/libraries/vigra/default.nix
+++ b/pkgs/development/libraries/vigra/default.nix
@@ -31,8 +31,6 @@ in stdenv.mkDerivation rec {
             ++ stdenv.lib.optionals (stdenv.hostPlatform.system == "x86_64-linux")
                   [ "-DCMAKE_CXX_FLAGS=-fPIC" "-DCMAKE_C_FLAGS=-fPIC" ];
 
-  enableParallelBuilding = true;
-
   # fails with "./test_watersheds3d: error while loading shared libraries: libvigraimpex.so.11: cannot open shared object file: No such file or directory"
   doCheck = false;
 
diff --git a/pkgs/development/libraries/vmmlib/default.nix b/pkgs/development/libraries/vmmlib/default.nix
index f191a97643786..6d1dc7d4786dd 100644
--- a/pkgs/development/libraries/vmmlib/default.nix
+++ b/pkgs/development/libraries/vmmlib/default.nix
@@ -21,8 +21,6 @@ stdenv.mkDerivation rec {
   buildInputs = [ boost lapack ]
     ++ stdenv.lib.optionals stdenv.isDarwin [ Accelerate CoreGraphics CoreVideo ];
 
-  enableParallelBuilding = true;
-
   doCheck = !stdenv.isDarwin;
 
   checkTarget = "test";
diff --git a/pkgs/development/libraries/vtk/generic.nix b/pkgs/development/libraries/vtk/generic.nix
index 7bfd8d9fcfff3..e91d60e00eb80 100644
--- a/pkgs/development/libraries/vtk/generic.nix
+++ b/pkgs/development/libraries/vtk/generic.nix
@@ -84,8 +84,6 @@ in stdenv.mkDerivation rec {
     sed -i 's/fprintf(output, shift)/fprintf(output, "%s", shift)/g' ./ThirdParty/libxml2/vtklibxml2/xpath.c
   '';
 
-  enableParallelBuilding = true;
-
   meta = with lib; {
     description = "Open source libraries for 3D computer graphics, image processing and visualization";
     homepage = "https://www.vtk.org/";
diff --git a/pkgs/development/libraries/vulkan-loader/default.nix b/pkgs/development/libraries/vulkan-loader/default.nix
index 8f974307cda57..861dd78585377 100644
--- a/pkgs/development/libraries/vulkan-loader/default.nix
+++ b/pkgs/development/libraries/vulkan-loader/default.nix
@@ -14,7 +14,6 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig cmake ];
   buildInputs = [ python3 xlibsWrapper libxcb libXrandr libXext wayland ];
-  enableParallelBuilding = true;
 
   preConfigure = ''
     substituteInPlace loader/vulkan.pc.in \
diff --git a/pkgs/development/libraries/vxl/default.nix b/pkgs/development/libraries/vxl/default.nix
index 4adab259a4295..b6543b2e6cf9f 100644
--- a/pkgs/development/libraries/vxl/default.nix
+++ b/pkgs/development/libraries/vxl/default.nix
@@ -24,8 +24,6 @@ stdenv.mkDerivation {
     "-DCMAKE_C_FLAGS=-fPIC"
   ];
 
-  enableParallelBuilding = true;
-
   meta = {
     description = "C++ Libraries for Computer Vision Research and Implementation";
     homepage = "http://vxl.sourceforge.net/";
diff --git a/pkgs/development/libraries/wt/default.nix b/pkgs/development/libraries/wt/default.nix
index 60b2021f17af7..de98a11d68e56 100644
--- a/pkgs/development/libraries/wt/default.nix
+++ b/pkgs/development/libraries/wt/default.nix
@@ -17,8 +17,6 @@ let
         inherit sha256;
       };
 
-      enableParallelBuilding = true;
-
       nativeBuildInputs = [ cmake pkg-config ];
       buildInputs = [
         boost doxygen qt48Full libharu
diff --git a/pkgs/development/libraries/x265/default.nix b/pkgs/development/libraries/x265/default.nix
index 3ad200cfc6379..8c5cf32545c38 100644
--- a/pkgs/development/libraries/x265/default.nix
+++ b/pkgs/development/libraries/x265/default.nix
@@ -37,7 +37,6 @@ let
   buildLib = has12Bit: stdenv.mkDerivation rec {
     name = "libx265-${if has12Bit then "12" else "10"}-${version}";
     inherit src;
-    enableParallelBuilding = true;
 
     postPatch = ''
       sed -i 's/unknown/${version}/g' source/cmake/version.cmake
@@ -68,8 +67,6 @@ stdenv.mkDerivation rec {
   pname = "x265";
   inherit version src;
 
-  enableParallelBuilding = true;
-
   postPatch = ''
     sed -i 's/unknown/${version}/g' source/cmake/version.cmake
     sed -i 's/0.0/${version}/g' source/cmake/version.cmake
diff --git a/pkgs/development/libraries/xgboost/default.nix b/pkgs/development/libraries/xgboost/default.nix
index d9d660062a25c..b9a2820a92858 100644
--- a/pkgs/development/libraries/xgboost/default.nix
+++ b/pkgs/development/libraries/xgboost/default.nix
@@ -17,8 +17,6 @@ stdenv.mkDerivation rec {
     sha256 = "1zs15k9crkiq7bnr4gqq53mkn3w8z9dq4nwlavmfcr5xr5gw2pw4";
   };
 
-  enableParallelBuilding = true;
-
   nativeBuildInputs = [ cmake ] ++ lib.optional stdenv.isDarwin llvmPackages.openmp;
 
   buildInputs = lib.optional cudaSupport cudatoolkit
diff --git a/pkgs/development/libraries/zeromq/4.x.nix b/pkgs/development/libraries/zeromq/4.x.nix
index d5819ff7ee9af..7be5a74c3a48a 100644
--- a/pkgs/development/libraries/zeromq/4.x.nix
+++ b/pkgs/development/libraries/zeromq/4.x.nix
@@ -15,8 +15,6 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake asciidoc pkg-config ];
   buildInputs = [ libsodium ];
 
-  enableParallelBuilding = true;
-
   doCheck = false; # fails all the tests (ctest)
 
   cmakeFlags = stdenv.lib.optional enableDrafts "-DENABLE_DRAFTS=ON";