diff --git a/pkgs/development/compilers/go/1.20.nix b/pkgs/development/compilers/go/1.20.nix
deleted file mode 100644
index 5b3cbdd4cc81..000000000000
--- a/pkgs/development/compilers/go/1.20.nix
+++ /dev/null
@@ -1,189 +0,0 @@
-{ lib
-, stdenv
-, fetchurl
-, tzdata
-, substituteAll
-, iana-etc
-, Security
-, Foundation
-, xcbuild
-, mailcap
-, buildPackages
-, pkgsBuildTarget
-, threadsCross
-, testers
-, skopeo
-, buildGo120Module
-}:
-
-let
-  useGccGoBootstrap = stdenv.buildPlatform.isMusl || stdenv.buildPlatform.isRiscV;
-  goBootstrap = if useGccGoBootstrap then buildPackages.gccgo12 else buildPackages.callPackage ./bootstrap117.nix { };
-
-  skopeoTest = skopeo.override { buildGoModule = buildGo120Module; };
-
-  goarch = platform: {
-    "aarch64" = "arm64";
-    "arm" = "arm";
-    "armv5tel" = "arm";
-    "armv6l" = "arm";
-    "armv7l" = "arm";
-    "i686" = "386";
-    "mips" = "mips";
-    "mips64el" = "mips64le";
-    "mipsel" = "mipsle";
-    "powerpc64le" = "ppc64le";
-    "riscv64" = "riscv64";
-    "s390x" = "s390x";
-    "x86_64" = "amd64";
-  }.${platform.parsed.cpu.name} or (throw "Unsupported system: ${platform.parsed.cpu.name}");
-
-  # We need a target compiler which is still runnable at build time,
-  # to handle the cross-building case where build != host == target
-  targetCC = pkgsBuildTarget.targetPackages.stdenv.cc;
-
-  isCross = stdenv.buildPlatform != stdenv.targetPlatform;
-in
-stdenv.mkDerivation (finalAttrs: {
-  pname = "go";
-  version = "1.20.14";
-
-  src = fetchurl {
-    url = "https://go.dev/dl/go${finalAttrs.version}.src.tar.gz";
-    hash = "sha256-Gu8yGg4+OLfpHS1+tkBAZmyr3Md9OD3jyVItDWm2f04=";
-  };
-
-  strictDeps = true;
-  buildInputs = [ ]
-    ++ lib.optionals stdenv.isLinux [ stdenv.cc.libc.out ]
-    ++ lib.optionals (stdenv.hostPlatform.libc == "glibc") [ stdenv.cc.libc.static ];
-
-  depsTargetTargetPropagated = lib.optionals stdenv.targetPlatform.isDarwin [ Foundation Security xcbuild ];
-
-  depsBuildTarget = lib.optional isCross targetCC;
-
-  depsTargetTarget = lib.optional stdenv.targetPlatform.isWindows threadsCross.package;
-
-  postPatch = ''
-    patchShebangs .
-  '';
-
-  patches = [
-    (substituteAll {
-      src = ./iana-etc-1.17.patch;
-      iana = iana-etc;
-    })
-    # Patch the mimetype database location which is missing on NixOS.
-    # but also allow static binaries built with NixOS to run outside nix
-    (substituteAll {
-      src = ./mailcap-1.17.patch;
-      inherit mailcap;
-    })
-    # prepend the nix path to the zoneinfo files but also leave the original value for static binaries
-    # that run outside a nix server
-    (substituteAll {
-      src = ./tzdata-1.19.patch;
-      inherit tzdata;
-    })
-    ./remove-tools-1.11.patch
-    ./go_no_vendor_checks-1.16.patch
-  ];
-
-  GOOS = stdenv.targetPlatform.parsed.kernel.name;
-  GOARCH = goarch stdenv.targetPlatform;
-  # GOHOSTOS/GOHOSTARCH must match the building system, not the host system.
-  # Go will nevertheless build a for host system that we will copy over in
-  # the install phase.
-  GOHOSTOS = stdenv.buildPlatform.parsed.kernel.name;
-  GOHOSTARCH = goarch stdenv.buildPlatform;
-
-  # {CC,CXX}_FOR_TARGET must be only set for cross compilation case as go expect those
-  # to be different from CC/CXX
-  CC_FOR_TARGET =
-    if isCross then
-      "${targetCC}/bin/${targetCC.targetPrefix}cc"
-    else
-      null;
-  CXX_FOR_TARGET =
-    if isCross then
-      "${targetCC}/bin/${targetCC.targetPrefix}c++"
-    else
-      null;
-
-  GOARM = toString (lib.intersectLists [ (stdenv.hostPlatform.parsed.cpu.version or "") ] [ "5" "6" "7" ]);
-  GO386 = "softfloat"; # from Arch: don't assume sse2 on i686
-  CGO_ENABLED = 1;
-
-  GOROOT_BOOTSTRAP = if useGccGoBootstrap then goBootstrap else "${goBootstrap}/share/go";
-
-  buildPhase = ''
-    runHook preBuild
-    export GOCACHE=$TMPDIR/go-cache
-    # this is compiled into the binary
-    export GOROOT_FINAL=$out/share/go
-
-    export PATH=$(pwd)/bin:$PATH
-
-    ${lib.optionalString isCross ''
-    # Independent from host/target, CC should produce code for the building system.
-    # We only set it when cross-compiling.
-    export CC=${buildPackages.stdenv.cc}/bin/cc
-    ''}
-    ulimit -a
-
-    pushd src
-    ./make.bash
-    popd
-    runHook postBuild
-  '';
-
-  preInstall = ''
-    # Contains the wrong perl shebang when cross compiling,
-    # since it is not used for anything we can deleted as well.
-    rm src/regexp/syntax/make_perl_groups.pl
-  '' + (if (stdenv.buildPlatform.system != stdenv.hostPlatform.system) then ''
-    mv bin/*_*/* bin
-    rmdir bin/*_*
-    ${lib.optionalString (!(finalAttrs.GOHOSTARCH == finalAttrs.GOARCH && finalAttrs.GOOS == finalAttrs.GOHOSTOS)) ''
-      rm -rf pkg/${finalAttrs.GOHOSTOS}_${finalAttrs.GOHOSTARCH} pkg/tool/${finalAttrs.GOHOSTOS}_${finalAttrs.GOHOSTARCH}
-    ''}
-  '' else lib.optionalString (stdenv.hostPlatform.system != stdenv.targetPlatform.system) ''
-    rm -rf bin/*_*
-    ${lib.optionalString (!(finalAttrs.GOHOSTARCH == finalAttrs.GOARCH && finalAttrs.GOOS == finalAttrs.GOHOSTOS)) ''
-      rm -rf pkg/${finalAttrs.GOOS}_${finalAttrs.GOARCH} pkg/tool/${finalAttrs.GOOS}_${finalAttrs.GOARCH}
-    ''}
-  '');
-
-  installPhase = ''
-    runHook preInstall
-    mkdir -p $GOROOT_FINAL
-    cp -a bin pkg src lib misc api doc $GOROOT_FINAL
-    mkdir -p $out/bin
-    ln -s $GOROOT_FINAL/bin/* $out/bin
-    runHook postInstall
-  '';
-
-  disallowedReferences = [ goBootstrap ];
-
-  passthru = {
-    inherit goBootstrap skopeoTest;
-    tests = {
-      skopeo = testers.testVersion { package = skopeoTest; };
-      version = testers.testVersion {
-        package = finalAttrs.finalPackage;
-        command = "go version";
-        version = "go${finalAttrs.version}";
-      };
-    };
-  };
-
-  meta = with lib; {
-    changelog = "https://go.dev/doc/devel/release#go${lib.versions.majorMinor finalAttrs.version}";
-    description = "The Go Programming language";
-    homepage = "https://go.dev/";
-    license = licenses.bsd3;
-    maintainers = teams.golang.members;
-    platforms = platforms.darwin ++ platforms.linux;
-    mainProgram = "go";
-  };
-})
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 24d01292ef4d..fcb7f2aa519d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -25556,17 +25556,6 @@ with pkgs;
   buildGoModule = buildGo121Module;
   buildGoPackage = buildGo121Package;
 
-  # requires a newer Apple SDK
-  go_1_20 = darwin.apple_sdk_11_0.callPackage ../development/compilers/go/1.20.nix {
-    inherit (darwin.apple_sdk_11_0.frameworks) Foundation Security;
-  };
-  buildGo120Module = darwin.apple_sdk_11_0.callPackage ../build-support/go/module.nix {
-    go = buildPackages.go_1_20;
-  };
-  buildGo120Package = darwin.apple_sdk_11_0.callPackage ../build-support/go/package.nix {
-    go = buildPackages.go_1_20;
-  };
-
   # requires a newer Apple SDK
   go_1_21 = darwin.apple_sdk_11_0.callPackage ../development/compilers/go/1.21.nix {
     inherit (darwin.apple_sdk_11_0.frameworks) Foundation Security;