diff --git a/pkgs/development/compilers/cudatoolkit/5.5.nix b/pkgs/development/compilers/cudatoolkit/5.5.nix
deleted file mode 100644
index c3eb1b6efcf..00000000000
--- a/pkgs/development/compilers/cudatoolkit/5.5.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{ callPackage, ... } @ args:
-
-callPackage ./generic.nix (args // rec {
-  version = "5.5.22";
-  sha256 = "b997e1dbe95704e0e806e0cedc5fd370a385351fef565c7bae0917baf3a29aa4";
-})
diff --git a/pkgs/development/compilers/cudatoolkit/6.0.nix b/pkgs/development/compilers/cudatoolkit/6.0.nix
deleted file mode 100644
index 200311703a0..00000000000
--- a/pkgs/development/compilers/cudatoolkit/6.0.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{ callPackage, ... } @ args:
-
-callPackage ./generic.nix (args // rec {
-  version = "6.0.37";
-  sha256 = "991e436c7a6c94ec67cf44204d136adfef87baa3ded270544fa211179779bc40";
-})
diff --git a/pkgs/development/compilers/cudatoolkit/6.5.nix b/pkgs/development/compilers/cudatoolkit/6.5.nix
deleted file mode 100644
index 3d9a3a50349..00000000000
--- a/pkgs/development/compilers/cudatoolkit/6.5.nix
+++ /dev/null
@@ -1,6 +0,0 @@
-{ callPackage, ... } @ args:
-
-callPackage ./generic.nix (args // rec {
-  version = "6.5.19";
-  sha256 = "1x9zdmk8z784d3d35vr2ak1l4h5v4jfjhpxfi9fl9dvjkcavqyaj";
-})
diff --git a/pkgs/development/compilers/cudatoolkit/7.0.nix b/pkgs/development/compilers/cudatoolkit/7.0.nix
deleted file mode 100644
index 152dd6e9274..00000000000
--- a/pkgs/development/compilers/cudatoolkit/7.0.nix
+++ /dev/null
@@ -1,7 +0,0 @@
-{ callPackage, ... } @ args:
-
-callPackage ./generic.nix (args // rec {
-  version = "7.0.28";
-  sha256 = "1km5hpiimx11jcazg0h3mjzk220klwahs2vfqhjavpds5ff2wafi";
-  url = "http://developer.download.nvidia.com/compute/cuda/7_0/Prod/local_installers/cuda_7.0.28_linux.run";
-})
diff --git a/pkgs/development/compilers/cudatoolkit/default.nix b/pkgs/development/compilers/cudatoolkit/default.nix
new file mode 100644
index 00000000000..a0b34592bf0
--- /dev/null
+++ b/pkgs/development/compilers/cudatoolkit/default.nix
@@ -0,0 +1,103 @@
+{ lib, stdenv, fetchurl, patchelf, perl, ncurses, expat, python26, python27, zlib
+, xorg, gtk2, glib, fontconfig, freetype, unixODBC, alsaLib, glibc
+}:
+
+let
+
+  common =
+    { version, url, sha256
+    , python ? python27
+    }:
+
+    stdenv.mkDerivation rec {
+      name = "cudatoolkit-${version}";
+
+      dontPatchELF = true;
+      dontStrip = true;
+
+      src =
+        if stdenv.system == "x86_64-linux" then
+          fetchurl {
+            inherit url sha256;
+          }
+        else throw "cudatoolkit does not support platform ${stdenv.system}";
+
+      outputs = [ "out" "sdk" ];
+
+      buildInputs = [ perl ];
+
+      runtimeDependencies = [
+        ncurses expat python zlib glibc
+        xorg.libX11 xorg.libXext xorg.libXrender xorg.libXt xorg.libXtst xorg.libXi xorg.libXext
+        gtk2 glib fontconfig freetype unixODBC alsaLib
+      ];
+
+      rpath = "${stdenv.lib.makeLibraryPath runtimeDependencies}:${stdenv.cc.cc}/lib64";
+
+      unpackPhase = ''
+        sh $src --keep --noexec
+        cd pkg/run_files
+        sh cuda-linux64-rel-${version}-*.run --keep --noexec
+        sh cuda-samples-linux-${version}-*.run --keep --noexec
+        cd pkg
+      '';
+
+      buildPhase = ''
+        find . -type f -executable -exec patchelf \
+          --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
+          '{}' \; || true
+        find . -type f -exec patchelf \
+          --set-rpath $rpath:$out/jre/lib/amd64/jli:$out/lib:$out/lib64:$out/nvvm/lib:$out/nvvm/lib64:$(cat $NIX_CC/nix-support/orig-cc)/lib \
+          --force-rpath \
+          '{}' \; || true
+      '';
+
+      installPhase = ''
+        mkdir $out $sdk
+        perl ./install-linux.pl --prefix="$out"
+        rm $out/tools/CUDA_Occupancy_Calculator.xls
+        perl ./install-sdk-linux.pl --prefix="$sdk" --cudaprefix="$out"
+
+        # let's remove the 32-bit libraries, they confuse the lib64->lib mover
+        rm -rf $out/lib
+
+        # Fixup path to samples (needed for cuda 6.5 or else nsight will not find them)
+        if [ -d "$out"/cuda-samples ]; then
+            mv "$out"/cuda-samples "$out"/samples
+        fi
+      '';
+
+      meta = {
+        license = lib.licenses.unfree;
+      };
+    };
+
+in {
+
+  cudatoolkit5 = common {
+    version = "5.5.22";
+    url = http://developer.download.nvidia.com/compute/cuda/5_5/rel/installers/cuda_5.5.22_linux_64.run;
+    sha256 = "b997e1dbe95704e0e806e0cedc5fd370a385351fef565c7bae0917baf3a29aa4";
+    python = python26;
+  };
+
+  cudatoolkit6 = common {
+    version = "6.0.37";
+    url = http://developer.download.nvidia.com/compute/cuda/6_0/rel/installers/cuda_6.0.37_linux_64.run;
+    sha256 = "991e436c7a6c94ec67cf44204d136adfef87baa3ded270544fa211179779bc40";
+  };
+
+  cudatoolkit65 = common {
+    version = "6.5.19";
+    url = http://developer.download.nvidia.com/compute/cuda/6_5/rel/installers/cuda_6.5.19_linux_64.run;
+    sha256 = "1x9zdmk8z784d3d35vr2ak1l4h5v4jfjhpxfi9fl9dvjkcavqyaj";
+  };
+
+  cudatoolkit7 = common {
+    version = "7.0.28";
+    url = http://developer.download.nvidia.com/compute/cuda/7_0/Prod/local_installers/cuda_7.0.28_linux.run;
+    sha256 = "1km5hpiimx11jcazg0h3mjzk220klwahs2vfqhjavpds5ff2wafi";
+  };
+
+}
+
diff --git a/pkgs/development/compilers/cudatoolkit/generic.nix b/pkgs/development/compilers/cudatoolkit/generic.nix
deleted file mode 100644
index a02c917ab24..00000000000
--- a/pkgs/development/compilers/cudatoolkit/generic.nix
+++ /dev/null
@@ -1,75 +0,0 @@
-{ lib, stdenv, fetchurl, patchelf, perl, ncurses, expat, python, zlib
-, xorg, gtk2, glib, fontconfig, freetype, unixODBC, alsaLib, glibc
-# generic inputs
-, version, sha256, url ? null, ...
-} :
-
-let
-  # eg, 5.5.22 => 5_5
-  mkShort = let str  = stdenv.lib.strings;
-                take = stdenv.lib.lists.take;
-            in v: str.concatStringsSep "_" (take 2 (str.splitString "." v));
-  shortVer = mkShort version;
-in stdenv.mkDerivation rec {
-  name = "cudatoolkit-${version}";
-
-  dontPatchELF = true;
-  dontStrip = true;
-
-  src =
-    if stdenv.system == "x86_64-linux" then
-      fetchurl {
-        url = if url != null then url else "http://developer.download.nvidia.com/compute/cuda/${shortVer}/rel/installers/cuda_${version}_linux_64.run";
-        sha256 = sha256;
-      }
-    else throw "cudatoolkit does not support platform ${stdenv.system}";
-
-  outputs = [ "out" "sdk" ];
-
-  buildInputs = [ perl ];
-
-  runtimeDependencies = [
-    ncurses expat python zlib glibc
-    xorg.libX11 xorg.libXext xorg.libXrender xorg.libXt xorg.libXtst xorg.libXi xorg.libXext
-    gtk2 glib fontconfig freetype unixODBC alsaLib
-  ];
-
-  rpath = "${stdenv.lib.makeLibraryPath runtimeDependencies}:${stdenv.cc.cc}/lib64";
-
-  unpackPhase = ''
-    sh $src --keep --noexec
-    cd pkg/run_files
-    sh cuda-linux64-rel-${version}-*.run --keep --noexec
-    sh cuda-samples-linux-${version}-*.run --keep --noexec
-    cd pkg
-  '';
-
-  buildPhase = ''
-    find . -type f -executable -exec patchelf \
-      --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-      '{}' \; || true
-    find . -type f -exec patchelf \
-      --set-rpath $rpath:$out/jre/lib/amd64/jli:$out/lib:$out/lib64:$out/nvvm/lib:$out/nvvm/lib64:$(cat $NIX_CC/nix-support/orig-cc)/lib \
-      --force-rpath \
-      '{}' \; || true
-  '';
-
-  installPhase = ''
-    mkdir $out $sdk
-    perl ./install-linux.pl --prefix="$out"
-    rm $out/tools/CUDA_Occupancy_Calculator.xls
-    perl ./install-sdk-linux.pl --prefix="$sdk" --cudaprefix="$out"
-
-    # let's remove the 32-bit libraries, they confuse the lib64->lib mover
-    rm -rf $out/lib
-
-    # Fixup path to samples (needed for cuda 6.5 or else nsight will not find them)
-    if [ -d "$out"/cuda-samples ]; then
-        mv "$out"/cuda-samples "$out"/samples
-    fi
-  '';
-
-  meta = {
-    license = lib.licenses.unfree;
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ee3d6d7d8a3..9efdc15aaba 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1266,17 +1266,11 @@ let
 
   cron = callPackage ../tools/system/cron { };
 
-  cudatoolkit5 = callPackage ../development/compilers/cudatoolkit/5.5.nix {
-    python = python26;
-  };
-
-  cudatoolkit6 = callPackage ../development/compilers/cudatoolkit/6.0.nix {
-    python = python26;
-  };
-
-  cudatoolkit65 = callPackage ../development/compilers/cudatoolkit/6.5.nix { };
-
-  cudatoolkit7 = callPackage ../development/compilers/cudatoolkit/7.0.nix { };
+  inherit (callPackages ../development/compilers/cudatoolkit { })
+    cudatoolkit5
+    cudatoolkit6
+    cudatoolkit65
+    cudatoolkit7;
 
   cudatoolkit = cudatoolkit7;