diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
deleted file mode 100644
index c5634984532..00000000000
--- a/pkgs/stdenv/darwin/default.nix
+++ /dev/null
@@ -1,149 +0,0 @@
-{ system      ? builtins.currentSystem
-, allPackages ? import ../../top-level/all-packages.nix
-, platform    ? null
-, config      ? {}
-}:
-
-rec {
-  allPackages = import ../../top-level/all-packages.nix;
-
-  bootstrapTools = derivation {
-    inherit system;
-
-    name    = "trivial-bootstrap-tools";
-    builder = "/bin/sh";
-    args    = [ ./trivial-bootstrap.sh ];
-
-    mkdir   = "/bin/mkdir";
-    ln      = "/bin/ln";
-  };
-
-  # The simplest stdenv possible to run fetchadc and get the Apple command-line tools
-  stage0 = rec {
-    fetchurl = import ../../build-support/fetchurl {
-      inherit stdenv;
-      curl = bootstrapTools;
-    };
-
-    stdenv = import ../generic {
-      inherit system config;
-      name         = "stdenv-darwin-boot-0";
-      shell        = "/bin/bash";
-      initialPath  = [ bootstrapTools ];
-      fetchurlBoot = fetchurl;
-      cc           = null;
-    };
-  };
-
-  buildTools = import ../../os-specific/darwin/command-line-tools {
-    inherit (stage0) stdenv fetchurl;
-    xar  = bootstrapTools;
-    gzip = bootstrapTools;
-    cpio = bootstrapTools;
-  };
-
-  preHook = ''
-    export NIX_IGNORE_LD_THROUGH_GCC=1
-    export NIX_DONT_SET_RPATH=1
-    export NIX_NO_SELF_RPATH=1
-    dontFixLibtool=1
-    stripAllFlags=" " # the Darwin "strip" command doesn't know "-s"
-    xargsFlags=" "
-    export MACOSX_DEPLOYMENT_TARGET=10.7
-    # Use the 10.9 SDK if we're running on 10.9, and 10.10 if we're
-    # running on 10.10. We need to use the 10.10 headers for functions
-    # like readlinkat() that are dynamically detected by configure
-    # scripts. Very impure, obviously.
-    export SDKROOT=$(/usr/bin/xcrun --sdk macosx"$(/usr/bin/sw_vers -productVersion | /usr/bin/cut -d. -f1,2)" --show-sdk-path 2> /dev/null || echo /)
-    export NIX_CFLAGS_COMPILE+=" --sysroot=/var/empty -idirafter $SDKROOT/usr/include -F$SDKROOT/System/Library/Frameworks -Wno-multichar -Wno-deprecated-declarations"
-    export NIX_LDFLAGS_AFTER+=" -L$SDKROOT/usr/lib"
-    export CMAKE_OSX_ARCHITECTURES=x86_64
-    # Workaround for https://openradar.appspot.com/22671534 on 10.11.
-    export gl_cv_func_getcwd_abort_bug=no
-  '';
-
-  # A stdenv that wraps the Apple command-line tools and our other trivial symlinked bootstrap tools
-  stage1 = rec {
-    nativePrefix = "${buildTools.tools}/Library/Developer/CommandLineTools/usr";
-
-    stdenv = import ../generic {
-      name = "stdenv-darwin-boot-1";
-
-      inherit system config;
-      inherit (stage0.stdenv) shell fetchurlBoot;
-
-      initialPath = stage0.stdenv.initialPath ++ [ nativePrefix ];
-
-      preHook = preHook + "\n" + ''
-        export NIX_LDFLAGS_AFTER+=" -L/usr/lib"
-        export NIX_ENFORCE_PURITY=
-        export NIX_CFLAGS_COMPILE+=" -isystem ${nativePrefix}/include/c++/v1 -stdlib=libc++"
-        export NIX_CFLAGS_LINK+=" -stdlib=libc++ -Wl,-rpath,${nativePrefix}/lib"
-      '';
-
-      cc = import ../../build-support/cc-wrapper {
-        nativeTools  = true;
-        nativePrefix = nativePrefix;
-        nativeLibc   = true;
-        stdenv       = stage0.stdenv;
-        shell        = "/bin/bash";
-        cc           = {
-          name    = "clang-9.9.9";
-          cc      = "/usr";
-          outPath = nativePrefix;
-        };
-        isClang      = true;
-      };
-    };
-    pkgs = allPackages {
-      inherit system platform;
-      bootStdenv = stdenv;
-    };
-  };
-
-  stage2 = rec {
-    stdenv = import ../generic {
-      name = "stdenv-darwin-boot-2";
-
-      inherit system config;
-      inherit (stage1.stdenv) shell fetchurlBoot preHook cc;
-
-      initialPath = [ stage1.pkgs.xz stage1.pkgs.gnused ] ++ stage1.stdenv.initialPath;
-    };
-    pkgs = allPackages {
-      inherit system platform;
-      bootStdenv = stdenv;
-    };
-  };
-
-  # Use stage1 to build a whole set of actual tools so we don't have to rely on the Apple prebuilt ones or
-  # the ugly symlinked bootstrap tools anymore.
-  stage3 = with stage2; import ../generic {
-    name = "stdenv-darwin-boot-3";
-
-    inherit system config;
-    inherit (stdenv) fetchurlBoot;
-
-    initialPath = (import ../common-path.nix) { inherit pkgs; };
-
-    preHook = preHook + "\n" + ''
-      export NIX_ENFORCE_PURITY=1
-    '';
-
-    cc = import ../../build-support/cc-wrapper {
-      inherit stdenv;
-      nativeTools   = false;
-      nativeLibc    = true;
-      binutils      = pkgs.darwin.cctools;
-      cc            = pkgs.llvmPackages.clang-unwrapped;
-      coreutils     = pkgs.coreutils;
-      shell         = "${pkgs.bash}/bin/bash";
-      extraPackages = [ pkgs.libcxx ];
-      isClang       = true;
-    };
-
-    shell = "${pkgs.bash}/bin/bash";
-  };
-
-  stdenvDarwin = stage3;
-}
diff --git a/pkgs/stdenv/darwin/make-bootstrap-tools.nix b/pkgs/stdenv/darwin/make-bootstrap-tools.nix
deleted file mode 100644
index 636410fdd78..00000000000
--- a/pkgs/stdenv/darwin/make-bootstrap-tools.nix
+++ /dev/null
@@ -1,284 +0,0 @@
-{system ? builtins.currentSystem}:
-
-with import ../../top-level/all-packages.nix {inherit system;};
-
-rec {
-  # We want coreutils without ACL support.
-  coreutils_ = coreutils.override (orig: {
-    aclSupport = false;
-  });
-
-  build = stdenv.mkDerivation {
-    name = "build";
-
-    buildInputs = [nukeReferences cpio];
-
-    buildCommand = ''
-      mkdir -p $out/bin $out/lib
-
-      # Our (fake) loader
-      cp -d ${darwin.dyld}/lib/dyld $out/lib/
-
-      # C standard library stuff
-      cp -d ${darwin.Libsystem}/lib/*.o $out/lib/
-      cp -d ${darwin.Libsystem}/lib/*.dylib $out/lib/
-      cp -d ${darwin.Libsystem}/lib/system/*.dylib $out/lib/
-
-      # Resolv is actually a link to another package, so let's copy it properly
-      rm $out/lib/libresolv.9.dylib
-      cp -L ${darwin.Libsystem}/lib/libresolv.9.dylib $out/lib
-
-      cp -rL ${darwin.Libsystem}/include $out
-      chmod -R u+w $out/include
-      cp -rL ${icu}/include*             $out/include
-      cp -rL ${libiconv}/include/*       $out/include
-      cp -rL ${gnugrep.pcre}/include/*   $out/include
-      mv $out/include $out/include-Libsystem
-
-      # Copy coreutils, bash, etc.
-      cp ${coreutils_}/bin/* $out/bin
-      (cd $out/bin && rm vdir dir sha*sum pinky factor pathchk runcon shuf who whoami shred users)
-
-      cp ${bash}/bin/bash $out/bin
-      cp ${findutils}/bin/find $out/bin
-      cp ${findutils}/bin/xargs $out/bin
-      cp -d ${diffutils}/bin/* $out/bin
-      cp -d ${gnused}/bin/* $out/bin
-      cp -d ${gnugrep}/bin/grep $out/bin
-      cp ${gawk}/bin/gawk $out/bin
-      cp -d ${gawk}/bin/awk $out/bin
-      cp ${gnutar}/bin/tar $out/bin
-      cp ${gzip}/bin/gzip $out/bin
-      cp ${bzip2}/bin/bzip2 $out/bin
-      cp -d ${gnumake}/bin/* $out/bin
-      cp -d ${patch}/bin/* $out/bin
-      cp -d ${xz}/bin/xz $out/bin
-
-      # This used to be in-nixpkgs, but now is in the bundle
-      # because I can't be bothered to make it partially static
-      cp ${curl}/bin/curl $out/bin
-      cp -d ${curl}/lib/libcurl*.dylib $out/lib
-      cp -d ${libssh2}/lib/libssh*.dylib $out/lib
-      cp -d ${openssl}/lib/*.dylib $out/lib
-
-      cp -d ${gnugrep.pcre}/lib/libpcre*.dylib $out/lib
-      cp -d ${libiconv}/lib/libiconv*.dylib $out/lib
-
-      # Copy what we need of clang
-      cp -d ${llvmPackages.clang}/bin/clang $out/bin
-      cp -d ${llvmPackages.clang}/bin/clang++ $out/bin
-      cp -d ${llvmPackages.clang}/bin/clang-3.5 $out/bin
-
-      cp -rL ${llvmPackages.clang}/lib/clang $out/lib
-
-      cp -d ${libcxx}/lib/libc++*.dylib $out/lib
-      cp -d ${libcxxabi}/lib/libc++abi*.dylib $out/lib
-
-      mkdir $out/include
-      cp -rd ${libcxx}/include/c++     $out/include
-
-      cp -d ${icu}/lib/libicu*.dylib $out/lib
-      cp -d ${zlib}/lib/libz.*       $out/lib
-      cp -d ${gmpxx}/lib/libgmp*.*   $out/lib
-      cp -d ${xz}/lib/liblzma*.*     $out/lib
-
-      # Copy binutils.
-      for i in as ld ar ranlib nm strip otool install_name_tool dsymutil; do
-        cp ${darwin.cctools}/bin/$i $out/bin
-      done
-
-      cp -rd ${pkgs.darwin.CF}/Library $out
-
-      chmod -R u+w $out
-
-      nuke-refs $out/bin/*
-
-      rpathify() {
-        local libs=$(${darwin.cctools}/bin/otool -L "$1" | tail -n +2 | grep -o "$NIX_STORE.*-\S*") || true
-        for lib in $libs; do
-          ${darwin.cctools}/bin/install_name_tool -change $lib "@rpath/$(basename $lib)" "$1"
-        done
-      }
-
-      fix_dyld() {
-        # This is clearly a hack. Once we have an install_name_tool-alike that can patch dyld, this will be nicer.
-        ${perl}/bin/perl -i -0777 -pe 's/\/nix\/store\/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-dyld-239\.4\/lib\/dyld/\/usr\/lib\/dyld\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00/sg' "$1"
-      }
-
-      # Strip executables even further
-      for i in $out/bin/*; do
-        if test -x $i -a ! -L $i; then
-          chmod +w $i
-
-          fix_dyld $i
-          strip $i || true
-        fi
-      done
-
-      for i in $out/bin/* $out/lib/*.dylib $out/lib/clang/3.5.0/lib/darwin/*.dylib $out/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation; do
-        if test -x $i -a ! -L $i; then
-          echo "Adding rpath to $i"
-          rpathify $i
-        fi
-      done
-
-      nuke-refs $out/lib/*
-      nuke-refs $out/lib/clang/3.5.0/lib/darwin/*
-      nuke-refs $out/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
-
-      mkdir $out/.pack
-      mv $out/* $out/.pack
-      mv $out/.pack $out/pack
-
-      mkdir $out/on-server
-      (cd $out/pack && (find | cpio -o -H newc)) | bzip2 > $out/on-server/bootstrap-tools.cpio.bz2
-
-      mkdir $out/in-nixpkgs
-      cp ${stdenv.shell} $out/in-nixpkgs/sh
-      cp ${cpio}/bin/cpio $out/in-nixpkgs
-      cp ${coreutils_}/bin/mkdir $out/in-nixpkgs
-      cp ${bzip2}/bin/bzip2 $out/in-nixpkgs
-
-      chmod u+w $out/in-nixpkgs/*
-      strip $out/in-nixpkgs/*
-      nuke-refs $out/in-nixpkgs/*
-
-      for i in $out/in-nixpkgs/*; do
-        fix_dyld $i
-      done
-    '';
-
-    allowedReferences = [];
-  };
-
-  host = stdenv.mkDerivation {
-    name = "host";
-
-    buildCommand = ''
-      mkdir -p $out/nix-support
-
-      for i in "${build}/on-server/"*; do
-        echo "file binary-dist $i" >> $out/nix-support/hydra-build-products
-      done
-
-      echo "darwin-bootstrap-tools-$(date +%Y.%m.%d)" >> $out/nix-support/hydra-release-name
-    '';
-
-    allowedReferences = [ build ];
-  };
-
-  unpack = stdenv.mkDerivation {
-    name = "unpack";
-
-    # This is by necessity a near-duplicate of unpack-bootstrap-tools.sh. If we refer to it directly,
-    # we can't make any changes to it due to our testing stdenv depending on it. Think of this as the
-    # unpack-bootstrap-tools.sh for the next round of bootstrap tools.
-    # TODO: think through alternate designs, such as hosting this script as an output of the process.
-    buildCommand = ''
-      # Unpack the bootstrap tools tarball.
-      echo Unpacking the bootstrap tools...
-      $mkdir $out
-      $bzip2 -d < $tarball | (cd $out && $cpio -i)
-
-      # Set the ELF interpreter / RPATH in the bootstrap binaries.
-      echo Patching the tools...
-
-      export PATH=$out/bin
-
-      for i in $out/bin/*; do
-        if ! test -L $i; then
-          echo patching $i
-          install_name_tool -add_rpath $out/lib $i || true
-        fi
-      done
-
-      for i in $out/lib/*.dylib $out/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation; do
-        if ! test -L $i; then
-          echo patching $i
-
-          id=$(otool -D "$i" | tail -n 1)
-          install_name_tool -id "$(dirname $i)/$(basename $id)" $i
-
-          libs=$(otool -L "$i" | tail -n +2 | grep -v Libsystem | cat)
-          if [ -n "$libs" ]; then
-            install_name_tool -add_rpath $out/lib $i
-          fi
-        fi
-      done
-
-      ln -s bash $out/bin/sh
-      ln -s bzip2 $out/bin/bunzip2
-
-      cat >$out/bin/dsymutil << EOF
-      #!$out/bin/sh
-      EOF
-    '';
-
-    tarball = "${build}/on-server/bootstrap-tools.cpio.bz2";
-
-    mkdir = "${build}/in-nixpkgs/mkdir";
-    bzip2 = "${build}/in-nixpkgs/bzip2";
-    cpio  = "${build}/in-nixpkgs/cpio";
-
-    allowedReferences = [ "out" ];
-  };
-
-  test = stdenv.mkDerivation {
-    name = "test";
-
-    realBuilder = "${unpack}/bin/bash";
-
-    buildCommand = ''
-      export PATH=${unpack}/bin
-      ls -l
-      mkdir $out
-      mkdir $out/bin
-      sed --version
-      find --version
-      diff --version
-      patch --version
-      make --version
-      awk --version
-      grep --version
-      clang --version
-      xz --version
-
-      # The grep will return a nonzero exit code if there is no match, and we want to assert that we have
-      # an SSL-capable curl
-      curl --version | grep SSL
-
-      ${build}/in-nixpkgs/sh -c 'echo Hello World'
-
-      export flags="-idirafter ${unpack}/include-Libsystem --sysroot=${unpack} -L${unpack}/lib"
-
-      export CPP="clang -E $flags"
-      export CC="clang $flags -Wl,-rpath,${unpack}/lib -Wl,-v"
-      export CXX="clang++ $flags --stdlib=libc++ -lc++abi -isystem${unpack}/include/c++/v1 -Wl,-rpath,${unpack}/lib -Wl,-v"
-
-      echo '#include <stdio.h>' >> foo.c
-      echo '#include <float.h>' >> foo.c
-      echo '#include <limits.h>' >> foo.c
-      echo 'int main() { printf("Hello World\n"); return 0; }' >> foo.c
-      $CC -o $out/bin/foo foo.c
-      $out/bin/foo
-
-      echo '#include <CoreFoundation/CoreFoundation.h>' >> bar.c
-      echo 'int main() { CFShow(CFSTR("Hullo")); return 0; }' >> bar.c
-      $CC -F${unpack}/Library/Frameworks -framework CoreFoundation -o $out/bin/bar bar.c
-      $out/bin/bar
-
-      echo '#include <iostream>' >> bar.cc
-      echo 'int main() { std::cout << "Hello World\n"; }' >> bar.cc
-      $CXX -v -o $out/bin/bar bar.cc
-      $out/bin/bar
-
-      tar xvf ${hello.src}
-      cd hello-*
-      ./configure --prefix=$out
-      make
-      make install
-
-      $out/bin/hello
-    '';
-  };
-}
diff --git a/pkgs/stdenv/darwin/trivial-bootstrap.sh b/pkgs/stdenv/darwin/trivial-bootstrap.sh
deleted file mode 100644
index 487f1488658..00000000000
--- a/pkgs/stdenv/darwin/trivial-bootstrap.sh
+++ /dev/null
@@ -1,67 +0,0 @@
-
-# Building bootstrap tools
-echo Building the trivial bootstrap environment...
-$mkdir -p $out/bin
-
-$ln -s $ln $out/bin/ln
-
-PATH=$out/bin/
-
-cd $out/bin
-
-ln -s $mkdir
-ln -s /bin/sh
-ln -s /bin/cp
-ln -s /bin/dd
-ln -s /bin/mv
-ln -s /bin/rm
-ln -s /bin/ls
-ln -s /bin/ps
-ln -s /bin/cat
-ln -s /bin/bash
-ln -s /bin/echo
-ln -s /bin/expr
-ln -s /bin/test
-ln -s /bin/date
-ln -s /bin/chmod
-ln -s /bin/rmdir
-ln -s /bin/sleep
-ln -s /bin/hostname
-
-ln -s /usr/bin/id
-ln -s /usr/bin/od
-ln -s /usr/bin/tr
-ln -s /usr/bin/wc
-ln -s /usr/bin/cut
-ln -s /usr/bin/cmp
-ln -s /usr/bin/sed
-ln -s /usr/bin/tar
-ln -s /usr/bin/xar
-ln -s /usr/bin/awk
-ln -s /usr/bin/env
-ln -s /usr/bin/tee
-ln -s /usr/bin/comm
-ln -s /usr/bin/cpio
-ln -s /usr/bin/curl
-ln -s /usr/bin/find
-ln -s /usr/bin/grep
-ln -s /usr/bin/gzip
-ln -s /usr/bin/head
-ln -s /usr/bin/tail
-ln -s /usr/bin/sort
-ln -s /usr/bin/uniq
-ln -s /usr/bin/less
-ln -s /usr/bin/true
-ln -s /usr/bin/diff
-ln -s /usr/bin/egrep
-ln -s /usr/bin/fgrep
-ln -s /usr/bin/patch
-ln -s /usr/bin/uname
-ln -s /usr/bin/touch
-ln -s /usr/bin/split
-ln -s /usr/bin/xargs
-ln -s /usr/bin/which
-ln -s /usr/bin/install
-ln -s /usr/bin/basename
-ln -s /usr/bin/dirname
-ln -s /usr/bin/readlink
diff --git a/pkgs/stdenv/darwin/unpack-bootstrap-tools.sh b/pkgs/stdenv/darwin/unpack-bootstrap-tools.sh
deleted file mode 100644
index 8033c7004d9..00000000000
--- a/pkgs/stdenv/darwin/unpack-bootstrap-tools.sh
+++ /dev/null
@@ -1,54 +0,0 @@
-set -e
-
-# Unpack the bootstrap tools tarball.
-echo Unpacking the bootstrap tools...
-$mkdir $out
-$bzip2 -d < $tarball | (cd $out && $cpio -i)
-
-# Set the ELF interpreter / RPATH in the bootstrap binaries.
-echo Patching the tools...
-
-export PATH=$out/bin
-
-for i in $out/bin/*; do
-  if ! test -L $i; then
-    echo patching $i
-    install_name_tool -add_rpath $out/lib $i || true
-  fi
-done
-
-for i in $out/lib/*.dylib $out/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation; do
-  if ! test -L $i; then
-    echo patching $i
-
-    id=$(otool -D "$i" | tail -n 1)
-    install_name_tool -id "$(dirname $i)/$(basename $id)" $i
-
-    libs=$(otool -L "$i" | tail -n +2 | grep -v libSystem | cat)
-    if [ -n "$libs" ]; then
-      install_name_tool -add_rpath $out/lib $i
-    fi
-  fi
-done
-
-ln -s bash $out/bin/sh
-ln -s bzip2 $out/bin/bunzip2
-
-# Provide a gunzip script.
-cat > $out/bin/gunzip <<EOF
-#!$out/bin/sh
-exec $out/bin/gzip -d "\$@"
-EOF
-chmod +x $out/bin/gunzip
-
-# Provide fgrep/egrep.
-echo "#! $out/bin/sh" > $out/bin/egrep
-echo "exec $out/bin/grep -E \"\$@\"" >> $out/bin/egrep
-echo "#! $out/bin/sh" > $out/bin/fgrep
-echo "exec $out/bin/grep -F \"\$@\"" >> $out/bin/fgrep
-
-cat >$out/bin/dsymutil << EOF
-#!$out/bin/sh
-EOF
-
-chmod +x $out/bin/egrep $out/bin/fgrep $out/bin/dsymutil
diff --git a/pkgs/stdenv/default.nix b/pkgs/stdenv/default.nix
index da93229ce94..71c50f751b1 100644
--- a/pkgs/stdenv/default.nix
+++ b/pkgs/stdenv/default.nix
@@ -36,9 +36,6 @@ rec {
   # Linux standard environment.
   stdenvLinux = (import ./linux { inherit system allPackages platform config lib; }).stdenvLinux;
 
-  # Darwin standard environment.
-  stdenvDarwin = (import ./darwin { inherit system allPackages platform config;}).stdenvDarwin;
-
   # Pure Darwin standard environment. Allows building with the sandbox enabled. To use,
   # you can add this to your nixpkgs config:
   #