diff --git a/pkgs/applications/graphics/digikam/default.nix b/pkgs/applications/graphics/digikam/default.nix
index ab75938760b3..8a95d10203c4 100644
--- a/pkgs/applications/graphics/digikam/default.nix
+++ b/pkgs/applications/graphics/digikam/default.nix
@@ -54,7 +54,7 @@
 , breeze-icons
 , oxygen
 
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages ? {}
 }:
 
diff --git a/pkgs/applications/misc/blender/default.nix b/pkgs/applications/misc/blender/default.nix
index 81b7a54a754d..f6f5edc84ef8 100644
--- a/pkgs/applications/misc/blender/default.nix
+++ b/pkgs/applications/misc/blender/default.nix
@@ -5,7 +5,7 @@
 , openvdb, libXxf86vm, tbb, alembic
 , zlib, zstd, fftw, opensubdiv, freetype, jemalloc, ocl-icd, addOpenGLRunpath
 , jackaudioSupport ? false, libjack2
-, cudaSupport ? config.cudaSupport or false, cudaPackages ? {}
+, cudaSupport ? config.cudaSupport, cudaPackages ? { }
 , hipSupport ? false, hip # comes with a significantly larger closure size
 , colladaSupport ? true, opencollada
 , spaceNavSupport ? stdenv.isLinux, libspnav
diff --git a/pkgs/applications/science/math/caffe/default.nix b/pkgs/applications/science/math/caffe/default.nix
index 4cd2511786b3..5af927294d6c 100644
--- a/pkgs/applications/science/math/caffe/default.nix
+++ b/pkgs/applications/science/math/caffe/default.nix
@@ -13,7 +13,7 @@
 , Accelerate, CoreGraphics, CoreVideo
 , lmdbSupport ? true, lmdb
 , leveldbSupport ? true, leveldb, snappy
-, cudaSupport ? config.cudaSupport or false, cudaPackages ? {}
+, cudaSupport ? config.cudaSupport, cudaPackages ? { }
 , cudnnSupport ? cudaSupport
 , ncclSupport ? false
 , pythonSupport ? false, python ? null, numpy ? null
diff --git a/pkgs/applications/science/math/cntk/default.nix b/pkgs/applications/science/math/cntk/default.nix
index 248504501613..91d208a56ede 100644
--- a/pkgs/applications/science/math/cntk/default.nix
+++ b/pkgs/applications/science/math/cntk/default.nix
@@ -3,7 +3,7 @@
 , openblas, blas, lapack, opencv3, libzip, boost, protobuf, mpi
 , onebitSGDSupport ? false
 , config
-, cudaSupport ? config.cudaSupport or false, cudaPackages ? {}, addOpenGLRunpath, cudatoolkit, nvidia_x11
+, cudaSupport ? config.cudaSupport, cudaPackages ? { }, addOpenGLRunpath, cudatoolkit, nvidia_x11
 , cudnnSupport ? cudaSupport
 }:
 
diff --git a/pkgs/applications/science/math/mathematica/default.nix b/pkgs/applications/science/math/mathematica/default.nix
index c0f370d88457..289c9b7b6580 100644
--- a/pkgs/applications/science/math/mathematica/default.nix
+++ b/pkgs/applications/science/math/mathematica/default.nix
@@ -2,7 +2,7 @@
 , config
 , lib
 , cudaPackages
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , lang ? "en"
 , webdoc ? false
 , version ? null
diff --git a/pkgs/applications/science/math/mxnet/default.nix b/pkgs/applications/science/math/mxnet/default.nix
index 240a1759397f..1e7af371c509 100644
--- a/pkgs/applications/science/math/mxnet/default.nix
+++ b/pkgs/applications/science/math/mxnet/default.nix
@@ -1,6 +1,6 @@
 { config, stdenv, lib, fetchurl, fetchpatch, bash, cmake
 , opencv3, gtest, blas, gomp, llvmPackages, perl
-, cudaSupport ? config.cudaSupport or false, cudaPackages ? {}, nvidia_x11
+, cudaSupport ? config.cudaSupport, cudaPackages ? { }, nvidia_x11
 , cudnnSupport ? cudaSupport
 }:
 
diff --git a/pkgs/applications/science/misc/colmap/default.nix b/pkgs/applications/science/misc/colmap/default.nix
index b32aa86f9f2f..a029f5440b25 100644
--- a/pkgs/applications/science/misc/colmap/default.nix
+++ b/pkgs/applications/science/misc/colmap/default.nix
@@ -1,7 +1,7 @@
 { mkDerivation, lib, fetchFromGitHub, cmake, boost179, ceres-solver, eigen,
   freeimage, glog, libGLU, glew, qtbase,
   config,
-  cudaSupport ? config.cudaSupport or false, cudaPackages }:
+  cudaSupport ? config.cudaSupport, cudaPackages }:
 
 assert cudaSupport -> cudaPackages != { };
 
diff --git a/pkgs/applications/science/molecular-dynamics/gromacs/default.nix b/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
index fe7a0030175b..c1e4aa350295 100644
--- a/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
+++ b/pkgs/applications/science/molecular-dynamics/gromacs/default.nix
@@ -2,7 +2,7 @@
 , singlePrec ? true
 , config
 , enableMpi ? false
-, enableCuda ? config.cudaSupport or false
+, enableCuda ? config.cudaSupport
 , cpuAcceleration ? null
 }:
 
diff --git a/pkgs/development/libraries/arrayfire/default.nix b/pkgs/development/libraries/arrayfire/default.nix
index edc3c3bad57b..2c1caf0bbb2b 100644
--- a/pkgs/development/libraries/arrayfire/default.nix
+++ b/pkgs/development/libraries/arrayfire/default.nix
@@ -20,7 +20,7 @@
 , doxygen
 , buildDocs ? false
 , config
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudatoolkit
 , darwin
 }:
diff --git a/pkgs/development/libraries/elpa/default.nix b/pkgs/development/libraries/elpa/default.nix
index 73ebf218ee38..ec108adc61eb 100644
--- a/pkgs/development/libraries/elpa/default.nix
+++ b/pkgs/development/libraries/elpa/default.nix
@@ -8,7 +8,7 @@
 # Enable NIVIA GPU support
 # Note, that this needs to be built on a system with a GPU
 # present for the tests to succeed.
-, enableCuda ? config.cudaSupport or false
+, enableCuda ? config.cudaSupport
 # type of GPU architecture
 , nvidiaArch ? "sm_60"
 , cudatoolkit
diff --git a/pkgs/development/libraries/frei0r/default.nix b/pkgs/development/libraries/frei0r/default.nix
index dbf5b9c2373e..0215b82a828c 100644
--- a/pkgs/development/libraries/frei0r/default.nix
+++ b/pkgs/development/libraries/frei0r/default.nix
@@ -7,7 +7,7 @@
 , opencv
 , pcre
 , pkg-config
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages
 }:
 
diff --git a/pkgs/development/libraries/hwloc/default.nix b/pkgs/development/libraries/hwloc/default.nix
index 8159f31bbbb5..b0c632b69c03 100644
--- a/pkgs/development/libraries/hwloc/default.nix
+++ b/pkgs/development/libraries/hwloc/default.nix
@@ -3,7 +3,7 @@
 , libX11
 , cairo
 , config
-, enableCuda ? config.cudaSupport or false
+, enableCuda ? config.cudaSupport
 , cudaPackages
 }:
 
diff --git a/pkgs/development/libraries/librealsense/default.nix b/pkgs/development/libraries/librealsense/default.nix
index cfe7fb89bd56..aec9cfaaf91a 100644
--- a/pkgs/development/libraries/librealsense/default.nix
+++ b/pkgs/development/libraries/librealsense/default.nix
@@ -13,7 +13,7 @@
 , glfw
 , libGLU
 , curl
-, cudaSupport ? config.cudaSupport or false, cudaPackages ? {}
+, cudaSupport ? config.cudaSupport, cudaPackages ? { }
 , enablePython ? false, pythonPackages ? null
 , enableGUI ? false,
 }:
diff --git a/pkgs/development/libraries/lightgbm/default.nix b/pkgs/development/libraries/lightgbm/default.nix
index 7ac716b326dd..25cb21a314ce 100644
--- a/pkgs/development/libraries/lightgbm/default.nix
+++ b/pkgs/development/libraries/lightgbm/default.nix
@@ -1,5 +1,5 @@
 { config, stdenv, lib, fetchFromGitHub, cmake, gtest, doCheck ? true
-, cudaSupport ? config.cudaSupport or false, openclSupport ? false, mpiSupport ? false, javaWrapper ? false, hdfsSupport ? false
+, cudaSupport ? config.cudaSupport, openclSupport ? false, mpiSupport ? false, javaWrapper ? false, hdfsSupport ? false
 , rLibrary ? false, cudaPackages, opencl-headers, ocl-icd, boost, llvmPackages, openmpi, openjdk, swig, hadoop, R, rPackages }:
 
 assert doCheck -> mpiSupport != true;
diff --git a/pkgs/development/libraries/mlt/default.nix b/pkgs/development/libraries/mlt/default.nix
index 1cd14cbcb565..19b03a24a45a 100644
--- a/pkgs/development/libraries/mlt/default.nix
+++ b/pkgs/development/libraries/mlt/default.nix
@@ -21,7 +21,7 @@
 , sox
 , vid-stab
 , darwin
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages ? { }
 , enableJackrack ? stdenv.isLinux
 , ladspa-sdk
diff --git a/pkgs/development/libraries/nvidia-thrust/default.nix b/pkgs/development/libraries/nvidia-thrust/default.nix
index 679b2c61c45a..f68b57f193b7 100644
--- a/pkgs/development/libraries/nvidia-thrust/default.nix
+++ b/pkgs/development/libraries/nvidia-thrust/default.nix
@@ -8,7 +8,7 @@
 , symlinkJoin
 , tbb
 , hostSystem ? "CPP"
-, deviceSystem ? if config.cudaSupport or false then "CUDA" else "OMP"
+, deviceSystem ? if config.cudaSupport then "CUDA" else "OMP"
 }:
 
 # Policy for device_vector<T>
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index 40614f489b51..0188e5e1ae96 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -14,7 +14,7 @@
 , enableOpenblas  ? true, openblas, blas, lapack
 , enableContrib   ? true
 
-, enableCuda      ? (config.cudaSupport or false) &&
+, enableCuda      ? config.cudaSupport &&
                     stdenv.hostPlatform.isx86_64
 , cudaPackages ? { }
 , enableUnfree    ? false
diff --git a/pkgs/development/libraries/opencv/4.x.nix b/pkgs/development/libraries/opencv/4.x.nix
index 3f120e2558f3..c82f0a0065b6 100644
--- a/pkgs/development/libraries/opencv/4.x.nix
+++ b/pkgs/development/libraries/opencv/4.x.nix
@@ -37,7 +37,7 @@
 , blas
 , enableContrib ? true
 
-, enableCuda ? (config.cudaSupport or false) && stdenv.hostPlatform.isx86_64
+, enableCuda ? config.cudaSupport && stdenv.hostPlatform.isx86_64
 , enableCublas ? enableCuda
 , enableCudnn ? false # NOTE: CUDNN has a large impact on closure size so we disable it by default
 , enableCufft ? enableCuda
diff --git a/pkgs/development/libraries/openmpi/default.nix b/pkgs/development/libraries/openmpi/default.nix
index 1d2b0e759aa7..937669fc5855 100644
--- a/pkgs/development/libraries/openmpi/default.nix
+++ b/pkgs/development/libraries/openmpi/default.nix
@@ -3,7 +3,7 @@
 , libpsm2, libfabric, pmix, ucx
 , config
 # Enable CUDA support
-, cudaSupport ? config.cudaSupport or false, cudatoolkit
+, cudaSupport ? config.cudaSupport, cudatoolkit
 
 # Enable the Sun Grid Engine bindings
 , enableSGE ? false
diff --git a/pkgs/development/libraries/opensubdiv/default.nix b/pkgs/development/libraries/opensubdiv/default.nix
index 9511f4f56f7e..4cd398e6394a 100644
--- a/pkgs/development/libraries/opensubdiv/default.nix
+++ b/pkgs/development/libraries/opensubdiv/default.nix
@@ -1,6 +1,6 @@
 { config, lib, stdenv, fetchFromGitHub, cmake, pkg-config, xorg, libGLU
 , libGL, glew, ocl-icd, python3
-, cudaSupport ? config.cudaSupport or false, cudatoolkit
+, cudaSupport ? config.cudaSupport, cudatoolkit
   # For visibility mostly. The whole approach to cuda architectures and capabilities
   # will be reworked soon.
 , cudaArch ? "compute_37"
diff --git a/pkgs/development/libraries/science/chemistry/openmm/default.nix b/pkgs/development/libraries/science/chemistry/openmm/default.nix
index 8b25554c4ab1..a7c388339de0 100644
--- a/pkgs/development/libraries/science/chemistry/openmm/default.nix
+++ b/pkgs/development/libraries/science/chemistry/openmm/default.nix
@@ -12,7 +12,7 @@
 , opencl-headers
 , ocl-icd
 , config
-, enableCuda ? config.cudaSupport or false
+, enableCuda ? config.cudaSupport
 , cudaPackages
 , addOpenGLRunpath
 }:
diff --git a/pkgs/development/libraries/science/math/faiss/default.nix b/pkgs/development/libraries/science/math/faiss/default.nix
index d67f31375e7d..21e6cbf858cd 100644
--- a/pkgs/development/libraries/science/math/faiss/default.nix
+++ b/pkgs/development/libraries/science/math/faiss/default.nix
@@ -5,7 +5,7 @@
 , stdenv
 , cmake
 , cudaPackages ? { }
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , nvidia-thrust
 , useThrustSourceBuild ? true
 , pythonSupport ? true
diff --git a/pkgs/development/libraries/science/math/suitesparse/4.4.nix b/pkgs/development/libraries/science/math/suitesparse/4.4.nix
index 0466027e03f3..cbc24b154656 100644
--- a/pkgs/development/libraries/science/math/suitesparse/4.4.nix
+++ b/pkgs/development/libraries/science/math/suitesparse/4.4.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchurl, gfortran, blas, lapack
 , config
-, enableCuda ? config.cudaSupport or false, cudatoolkit
+, enableCuda ? config.cudaSupport, cudatoolkit
 }:
 
 let
diff --git a/pkgs/development/libraries/science/math/suitesparse/default.nix b/pkgs/development/libraries/science/math/suitesparse/default.nix
index 42413e66c714..67dfef186e7d 100644
--- a/pkgs/development/libraries/science/math/suitesparse/default.nix
+++ b/pkgs/development/libraries/science/math/suitesparse/default.nix
@@ -7,7 +7,7 @@
 , gmp
 , mpfr
 , config
-, enableCuda ? config.cudaSupport or false
+, enableCuda ? config.cudaSupport
 , cudatoolkit
 }:
 
diff --git a/pkgs/development/libraries/ucc/default.nix b/pkgs/development/libraries/ucc/default.nix
index 1c1804e9004c..e26e6e603f8e 100644
--- a/pkgs/development/libraries/ucc/default.nix
+++ b/pkgs/development/libraries/ucc/default.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, fetchFromGitHub, libtool, automake, autoconf, ucx
 , config
-, enableCuda ? config.cudaSupport or false
+, enableCuda ? config.cudaSupport
 , cudatoolkit
 , enableAvx ? stdenv.hostPlatform.avxSupport
 , enableSse41 ? stdenv.hostPlatform.sse4_1Support
diff --git a/pkgs/development/libraries/ucx/default.nix b/pkgs/development/libraries/ucx/default.nix
index cc9cea442d31..4ded9c2860aa 100644
--- a/pkgs/development/libraries/ucx/default.nix
+++ b/pkgs/development/libraries/ucx/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, fetchFromGitHub, autoreconfHook, doxygen, numactl
 , rdma-core, libbfd, libiberty, perl, zlib, symlinkJoin, pkg-config
 , config
-, enableCuda ? config.cudaSupport or false
+, enableCuda ? config.cudaSupport
 , cudatoolkit
 , enableRocm ? false
 , rocm-core, rocm-runtime, rocm-device-libs, hip
diff --git a/pkgs/development/libraries/xgboost/default.nix b/pkgs/development/libraries/xgboost/default.nix
index 0a404f616b92..31d064c2af6d 100644
--- a/pkgs/development/libraries/xgboost/default.nix
+++ b/pkgs/development/libraries/xgboost/default.nix
@@ -5,7 +5,7 @@
 , cmake
 , gtest
 , doCheck ? true
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , ncclSupport ? false
 , rLibrary ? false
 , cudaPackages
diff --git a/pkgs/development/python-modules/chainer/default.nix b/pkgs/development/python-modules/chainer/default.nix
index c6793137ba24..1f5be76e2d21 100644
--- a/pkgs/development/python-modules/chainer/default.nix
+++ b/pkgs/development/python-modules/chainer/default.nix
@@ -1,7 +1,7 @@
 { lib
 , buildPythonPackage
 , config
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cupy
 , fetchFromGitHub
 , filelock
diff --git a/pkgs/development/python-modules/jaxlib/bin.nix b/pkgs/development/python-modules/jaxlib/bin.nix
index c7e84e4c11a2..b3d3138ab443 100644
--- a/pkgs/development/python-modules/jaxlib/bin.nix
+++ b/pkgs/development/python-modules/jaxlib/bin.nix
@@ -27,7 +27,7 @@
 , scipy
 , stdenv
   # Options:
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages ? {}
 }:
 
diff --git a/pkgs/development/python-modules/jaxlib/default.nix b/pkgs/development/python-modules/jaxlib/default.nix
index 1e5b7bb6f785..bf93bf1a5a26 100644
--- a/pkgs/development/python-modules/jaxlib/default.nix
+++ b/pkgs/development/python-modules/jaxlib/default.nix
@@ -42,7 +42,7 @@
 
 , config
   # CUDA flags:
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages ? {}
 
   # MKL:
diff --git a/pkgs/development/python-modules/libgpuarray/default.nix b/pkgs/development/python-modules/libgpuarray/default.nix
index 6e5bb05913a2..699bbabdfc76 100644
--- a/pkgs/development/python-modules/libgpuarray/default.nix
+++ b/pkgs/development/python-modules/libgpuarray/default.nix
@@ -10,7 +10,7 @@
 , nose
 , mako
 , config
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages ? { }
 , openclSupport ? true, ocl-icd, clblas
 }:
diff --git a/pkgs/development/python-modules/numba/default.nix b/pkgs/development/python-modules/numba/default.nix
index 9b34d4e55ed1..d503307ce67a 100644
--- a/pkgs/development/python-modules/numba/default.nix
+++ b/pkgs/development/python-modules/numba/default.nix
@@ -21,7 +21,7 @@
 , cudaPackages ? {}
 
 # CUDA flags:
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 }:
 
 let
diff --git a/pkgs/development/python-modules/tensorflow/bin.nix b/pkgs/development/python-modules/tensorflow/bin.nix
index c9047614b3cd..eb40824c8caa 100644
--- a/pkgs/development/python-modules/tensorflow/bin.nix
+++ b/pkgs/development/python-modules/tensorflow/bin.nix
@@ -22,7 +22,7 @@
 , tensorflow-estimator-bin
 , tensorboard
 , config
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages ? {}
 , zlib
 , python
diff --git a/pkgs/development/python-modules/tensorflow/default.nix b/pkgs/development/python-modules/tensorflow/default.nix
index fabe1fe7cd2a..d95678f7fc6b 100644
--- a/pkgs/development/python-modules/tensorflow/default.nix
+++ b/pkgs/development/python-modules/tensorflow/default.nix
@@ -18,7 +18,7 @@
 # it would also make the default tensorflow package unfree. See
 # https://groups.google.com/a/tensorflow.org/forum/#!topic/developers/iRCt5m4qUz0
 , config
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages ? { }
 , cudaCapabilities ? cudaPackages.cudaFlags.cudaCapabilities
 , mklSupport ? false, mkl
diff --git a/pkgs/development/python-modules/theano/default.nix b/pkgs/development/python-modules/theano/default.nix
index 3a1af4a3517b..428bf4310d6b 100644
--- a/pkgs/development/python-modules/theano/default.nix
+++ b/pkgs/development/python-modules/theano/default.nix
@@ -12,7 +12,7 @@
 , six
 , libgpuarray
 , config
-, cudaSupport ? config.cudaSupport or false, cudaPackages ? {}
+, cudaSupport ? config.cudaSupport, cudaPackages ? { }
 , cudnnSupport ? cudaSupport
 }:
 
diff --git a/pkgs/development/python-modules/torch/default.nix b/pkgs/development/python-modules/torch/default.nix
index 98116052649a..912628bf9497 100644
--- a/pkgs/development/python-modules/torch/default.nix
+++ b/pkgs/development/python-modules/torch/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, buildPythonPackage, python,
-  config, cudaSupport ? config.cudaSupport or false, cudaPackages, magma,
+  config, cudaSupport ? config.cudaSupport, cudaPackages, magma,
   useSystemNccl ? true,
   MPISupport ? false, mpi,
   buildDocs ? false,
diff --git a/pkgs/games/katago/default.nix b/pkgs/games/katago/default.nix
index 3d0b5a141c3c..0ca0deb518ff 100644
--- a/pkgs/games/katago/default.nix
+++ b/pkgs/games/katago/default.nix
@@ -15,7 +15,7 @@
 , openssl
 , writeShellScriptBin
 , enableAVX2 ? stdenv.hostPlatform.avx2Support
-, backend ? if (config.cudaSupport or false) then "cuda" else "opencl"
+, backend ? if config.cudaSupport then "cuda" else "opencl"
 , enableBigBoards ? false
 , enableContrib ? false
 , enableTcmalloc ? true
diff --git a/pkgs/servers/sunshine/default.nix b/pkgs/servers/sunshine/default.nix
index e5a619de395f..bf3f4fa30058 100644
--- a/pkgs/servers/sunshine/default.nix
+++ b/pkgs/servers/sunshine/default.nix
@@ -31,7 +31,7 @@
 , vulkan-loader
 , libappindicator
 , config
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , cudaPackages ? {}
 }:
 let
diff --git a/pkgs/tools/compression/zfp/default.nix b/pkgs/tools/compression/zfp/default.nix
index 487cd02eb59c..d63140b14760 100644
--- a/pkgs/tools/compression/zfp/default.nix
+++ b/pkgs/tools/compression/zfp/default.nix
@@ -1,7 +1,7 @@
 { cmake, cudatoolkit, fetchFromGitHub, gfortran, lib, llvmPackages, python3Packages, stdenv
 , config
 , enableCfp ? true
-, enableCuda ? config.cudaSupport or false
+, enableCuda ? config.cudaSupport
 , enableFortran ? builtins.elem stdenv.targetPlatform.system gfortran.meta.platforms
 , enableOpenMP ? true
 , enablePython ? true
diff --git a/pkgs/tools/graphics/waifu2x-converter-cpp/default.nix b/pkgs/tools/graphics/waifu2x-converter-cpp/default.nix
index b0d9249197a8..56fe4e122e53 100644
--- a/pkgs/tools/graphics/waifu2x-converter-cpp/default.nix
+++ b/pkgs/tools/graphics/waifu2x-converter-cpp/default.nix
@@ -1,6 +1,6 @@
 { cmake, fetchFromGitHub, makeWrapper, opencv3, lib, stdenv, ocl-icd, opencl-headers, OpenCL
 , config
-, cudaSupport ? config.cudaSupport or false, cudatoolkit ? null
+, cudaSupport ? config.cudaSupport, cudatoolkit ? null
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/tools/security/hashcat/default.nix b/pkgs/tools/security/hashcat/default.nix
index dc7676ca764d..0fec2a9ec992 100644
--- a/pkgs/tools/security/hashcat/default.nix
+++ b/pkgs/tools/security/hashcat/default.nix
@@ -2,7 +2,7 @@
 , addOpenGLRunpath
 , config
 , cudaPackages ? {}
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , fetchurl
 , makeWrapper
 , opencl-headers
diff --git a/pkgs/tools/security/truecrack/default.nix b/pkgs/tools/security/truecrack/default.nix
index aaf1b2580de6..c58ce4ae57b1 100644
--- a/pkgs/tools/security/truecrack/default.nix
+++ b/pkgs/tools/security/truecrack/default.nix
@@ -1,6 +1,6 @@
 { lib, gccStdenv, fetchFromGitLab, cudatoolkit
 , config
-, cudaSupport ? config.cudaSupport or false
+, cudaSupport ? config.cudaSupport
 , pkg-config }:
 
 gccStdenv.mkDerivation rec {
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 03fcb205dbff..ae86dc0a28b5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4162,7 +4162,7 @@ with pkgs;
   libtensorflow = python3.pkgs.tensorflow.libtensorflow;
 
   libtorch-bin = callPackage ../development/libraries/science/math/libtorch/bin.nix {
-    cudaSupport = config.cudaSupport or false;
+    inherit (config) cudaSupport;
   };
 
   tensorflow-lite = callPackage ../development/libraries/science/math/tensorflow-lite { };
@@ -10825,7 +10825,7 @@ with pkgs;
 
   nvidia-thrust-intel = callPackage ../development/libraries/nvidia-thrust {
     hostSystem = "TBB";
-    deviceSystem = if config.cudaSupport or false then "CUDA" else "TBB";
+    deviceSystem = if config.cudaSupport then "CUDA" else "TBB";
   };
 
   nvidia-thrust-cuda = callPackage ../development/libraries/nvidia-thrust {
@@ -15070,7 +15070,7 @@ with pkgs;
 
   colm = callPackage ../development/compilers/colm { };
 
-  colmap = libsForQt5.callPackage ../applications/science/misc/colmap { cudaSupport = config.cudaSupport or false; };
+  colmap = libsForQt5.callPackage ../applications/science/misc/colmap { inherit (config) cudaSupport; };
   colmapWithCuda = colmap.override { cudaSupport = true; };
 
   chickenPackages_4 = callPackage ../development/compilers/chicken/4 { };
@@ -39195,7 +39195,7 @@ with pkgs;
   ### SCIENCE / MATH
 
   caffe = callPackage ../applications/science/math/caffe ({
-    cudaSupport = config.cudaSupport or false;
+    inherit (config) cudaSupport;
     cudaPackages = cudaPackages_10_1;
     opencv3 = opencv3WithoutCuda; # Used only for image loading.
     blas = openblas;
@@ -39210,7 +39210,7 @@ with pkgs;
     stdenv = gcc7Stdenv;
     inherit (linuxPackages) nvidia_x11;
     opencv3 = opencv3WithoutCuda; # Used only for image loading.
-    cudaSupport = config.cudaSupport or false;
+    inherit (config) cudaSupport;
   };
 
   dap = callPackage ../applications/science/math/dap { };
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 52c5deef152c..4af19c093655 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1816,7 +1816,7 @@ self: super: with self; {
   chai = callPackage ../development/python-modules/chai { };
 
   chainer = callPackage ../development/python-modules/chainer {
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
   };
 
   chainmap = callPackage ../development/python-modules/chainmap { };
@@ -5256,13 +5256,13 @@ self: super: with self; {
   jax-jumpy = callPackage ../development/python-modules/jax-jumpy { };
 
   jaxlib-bin = callPackage ../development/python-modules/jaxlib/bin.nix {
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
   };
 
   jaxlib-build = callPackage ../development/python-modules/jaxlib rec {
     inherit (pkgs.darwin) cctools;
     # Some platforms don't have `cudaSupport` defined, hence the need for 'or false'.
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
     IOKit = pkgs.darwin.apple_sdk_11_0.IOKit;
     protobuf = pkgs.protobuf3_20; # jaxlib-build 0.3.15 won't build with protobuf 3.21
   };
@@ -5803,7 +5803,7 @@ self: super: with self; {
 
   libgpuarray = callPackage ../development/python-modules/libgpuarray {
     clblas = pkgs.clblas.override { inherit (self) boost; };
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
   };
 
   libiio = (toPythonModule (pkgs.libiio.override { inherit python; })).python;
@@ -7105,7 +7105,7 @@ self: super: with self; {
   num2words = callPackage ../development/python-modules/num2words { };
 
   numba = callPackage ../development/python-modules/numba {
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
   };
 
   numbaWithCuda = self.numba.override {
@@ -7273,7 +7273,7 @@ self: super: with self; {
   openai-triton-bin = callPackage ../development/python-modules/openai-triton/bin.nix { };
 
   openai-whisper = callPackage ../development/python-modules/openai-whisper {
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
   };
 
   openant = callPackage ../development/python-modules/openant { };
@@ -12304,12 +12304,12 @@ self: super: with self; {
   tensorboardx = callPackage ../development/python-modules/tensorboardx { };
 
   tensorflow-bin = callPackage ../development/python-modules/tensorflow/bin.nix {
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
   };
 
   tensorflow-build = callPackage ../development/python-modules/tensorflow {
     inherit (pkgs.darwin) cctools;
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
     inherit (self.tensorflow-bin) cudaPackages;
     inherit (pkgs.darwin.apple_sdk.frameworks) Foundation Security;
     flatbuffers-core = pkgs.flatbuffers;
@@ -12428,7 +12428,7 @@ self: super: with self; {
   theano-pymc = callPackage ../development/python-modules/theano-pymc { };
 
   theano = callPackage ../development/python-modules/theano rec {
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
     cudnnSupport = cudaSupport;
   };
 
@@ -12595,9 +12595,9 @@ self: super: with self; {
   toposort = callPackage ../development/python-modules/toposort { };
 
   torch = callPackage ../development/python-modules/torch {
-    cudaSupport = pkgs.config.cudaSupport or false;
+    inherit (pkgs.config) cudaSupport;
     magma =
-      if pkgs.config.cudaSupport or false
+      if pkgs.config.cudaSupport
       then pkgs.magma-cuda-static
       else pkgs.magma;
     inherit (pkgs.darwin.apple_sdk.frameworks) Accelerate CoreServices;