diff --git a/pkgs/development/compilers/smlnj/default.nix b/pkgs/development/compilers/smlnj/default.nix
index 7f8580f058b6..75daad36f762 100644
--- a/pkgs/development/compilers/smlnj/default.nix
+++ b/pkgs/development/compilers/smlnj/default.nix
@@ -38,7 +38,7 @@ in stdenv.mkDerivation {
   '' + stdenv.lib.optionalString stdenv.isDarwin (with darwin; ''
     sed -i '/^[[:space:]]*\*x86-darwin\*)$/,/^[[:space:]]*\*) ;;/ c\
 \  \*x86-darwin\*)\
-\    INCLFILE=${osx_sdk}/Developer/SDKs/${osx_sdk.name}/usr/include/unistd.h\
+\    INCLFILE=${apple_sdk.sdk}/include/unistd.h\
 \    ;;\
 \  \*) ;;
 ' base/runtime/config/gen-posix-names.sh
diff --git a/pkgs/os-specific/darwin/command-line-tools/default.nix b/pkgs/os-specific/darwin/command-line-tools/default.nix
deleted file mode 100644
index 2d1eb7b6b3ca..000000000000
--- a/pkgs/os-specific/darwin/command-line-tools/default.nix
+++ /dev/null
@@ -1,45 +0,0 @@
-{ stdenv, fetchurl, xar, gzip, cpio }:
-
-let
-  pkg = { name, sha256 }: stdenv.mkDerivation {
-    inherit name;
-
-    src = fetchurl {
-      # Magic url found in:
-      # https://swscan.apple.com/content/catalogs/others/index-10.9-1.sucatalog
-      url = "http://swcdn.apple.com/content/downloads/27/02/031-06182/xxog8vxu8i6af781ivf4uhy6yt1lslex34/${name}.pkg";
-      inherit sha256;
-    };
-
-    buildInputs = [ xar gzip cpio ];
-
-    phases = [ "unpackPhase" "installPhase" ];
-
-    unpackPhase = ''
-      xar -x -f $src
-    '';
-
-    installPhase = ''
-      start="$(pwd)"
-      mkdir -p $out
-      cd $out
-      cat $start/Payload | gzip -d | cpio -idm
-    '';
-
-    meta = with stdenv.lib; {
-      description = "Apple developer tools ${name}";
-      maintainers = with maintainers; [ copumpkin ];
-      platforms   = platforms.darwin;
-    };
-  };
-in rec {
-  tools = pkg {
-    name   = "CLTools_Executables_OSX109";
-    sha256 = "1cjdnnjny6h0dc1cc994pgrkmsa5cvk7pi5dpkxyslyicwf260fx";
-  };
-
-  sdk = pkg {
-    name   = "DevSDK_OSX109";
-    sha256 = "16b7aplha5573yl1d44nl2yxzp0w2hafihbyh7930wrcvba69iy4";
-  };
-}
diff --git a/pkgs/os-specific/darwin/osx-sdk/default.nix b/pkgs/os-specific/darwin/osx-sdk/default.nix
deleted file mode 100644
index 235eadfd2556..000000000000
--- a/pkgs/os-specific/darwin/osx-sdk/default.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{ stdenv }:
-
-let
-  version = "10.9";
-in stdenv.mkDerivation rec {
-  name = "MacOSX10.9.sdk";
-
-  src = "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk";
-
-  unpackPhase = "true";
-  dontBuild = true;
-
-  installPhase = ''
-    mkdir -p $out/Developer/SDKs/
-    echo "Source is: $src"
-    cp -r $src $out/Developer/SDKs/
-  '';
-
-  meta = with stdenv.lib; {
-    description = "The Mac OS ${version} SDK";
-    maintainers = with maintainers; [ copumpkin ];
-    platforms   = platforms.darwin;
-    license     = licenses.unfree;
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index dd127ea6a476..e07efc74838f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11236,7 +11236,6 @@ with pkgs;
   crda = callPackage ../os-specific/linux/crda { };
 
   darwin = let
-    cmdline = callPackage ../os-specific/darwin/command-line-tools {};
     apple-source-releases = callPackage ../os-specific/darwin/apple-source-releases { };
   in apple-source-releases // rec {
     cctools_cross = callPackage (forcedNativePackages.callPackage ../os-specific/darwin/cctools/port.nix {}).cross {
@@ -11269,7 +11268,6 @@ with pkgs;
 
     xcode = callPackage ../os-specific/darwin/xcode {};
 
-    osx_sdk = callPackage ../os-specific/darwin/osx-sdk {};
     osx_private_sdk = callPackage ../os-specific/darwin/osx-private-sdk {};
 
     security_tool = (newScope (darwin.apple_sdk.frameworks // darwin)) ../os-specific/darwin/security-tool {
@@ -11278,9 +11276,6 @@ with pkgs;
 
     binutils = callPackage ../os-specific/darwin/binutils { inherit cctools; };
 
-    cmdline_sdk   = cmdline.sdk;
-    cmdline_tools = cmdline.tools;
-
     apple_sdk = callPackage ../os-specific/darwin/apple-sdk {};
 
     libobjc = apple-source-releases.objc4;