diff --git a/pkgs/development/compilers/go/1.5.nix b/pkgs/development/compilers/go/1.5.nix
deleted file mode 100644
index 03caec9c3b48..000000000000
--- a/pkgs/development/compilers/go/1.5.nix
+++ /dev/null
@@ -1,143 +0,0 @@
-{ stdenv, lib, fetchFromGitHub, tzdata, iana_etc, go_1_4, runCommand
-, perl, which, pkgconfig, patch
-, pcre
-, Security, Foundation }:
-
-let
-  goBootstrap = runCommand "go-bootstrap" {} ''
-    mkdir $out
-    cp -rf ${go_1_4}/* $out/
-    chmod -R u+w $out
-    find $out -name "*.c" -delete
-    cp -rf $out/bin/* $out/share/go/bin/
-  '';
-in
-
-stdenv.mkDerivation rec {
-  name = "go-${version}";
-  version = "1.5.4";
-
-  src = fetchFromGitHub {
-    owner = "golang";
-    repo = "go";
-    rev = "go${version}";
-    sha256 = "1lvk9awmkjbz5z4snv3q3b3r7ijfz97kig2wkqz6jmr7b0lp1fcy";
-  };
-
-  # perl is used for testing go vet
-  nativeBuildInputs = [ perl which pkgconfig patch ];
-  buildInputs = [ pcre ];
-  propagatedBuildInputs = lib.optionals stdenv.isDarwin [
-    Security Foundation
-  ];
-
-  hardeningDisable = [ "all" ];
-
-  # I'm not sure what go wants from its 'src', but the go installation manual
-  # describes an installation keeping the src.
-  preUnpack = ''
-    mkdir -p $out/share
-    cd $out/share
-  '';
-
-  prePatch = ''
-    # Ensure that the source directory is named go
-    cd ..
-    if [ ! -d go ]; then
-      mv * go
-    fi
-
-    cd go
-    patchShebangs ./ # replace /bin/bash
-
-    # Disabling the 'os/http/net' tests (they want files not available in
-    # chroot builds)
-    rm src/net/{listen_test.go,parse_test.go,port_test.go}
-    rm src/syscall/exec_linux_test.go
-    # !!! substituteInPlace does not seems to be effective.
-    # The os test wants to read files in an existing path. Just don't let it be /usr/bin.
-    sed -i 's,/usr/bin,'"`pwd`", src/os/os_test.go
-    sed -i 's,/bin/pwd,'"`type -P pwd`", src/os/os_test.go
-    # Disable the unix socket test
-    sed -i '/TestShutdownUnix/areturn' src/net/net_test.go
-    # Disable the hostname test
-    sed -i '/TestHostname/areturn' src/os/os_test.go
-    # ParseInLocation fails the test
-    sed -i '/TestParseInSydney/areturn' src/time/format_test.go
-    # Remove the api check as it never worked
-    sed -i '/src\/cmd\/api\/run.go/ireturn nil' src/cmd/dist/test.go
-    # Remove the coverage test as we have removed this utility
-    sed -i '/TestCoverageWithCgo/areturn' src/cmd/go/go_test.go
-
-    sed -i 's,/etc/protocols,${iana_etc}/etc/protocols,' src/net/lookup_unix.go
-  '' + lib.optionalString stdenv.isLinux ''
-    sed -i 's,/usr/share/zoneinfo/,${tzdata}/share/zoneinfo/,' src/time/zoneinfo_unix.go
-  '' + lib.optionalString stdenv.isDarwin ''
-    substituteInPlace src/race.bash --replace \
-      "sysctl machdep.cpu.extfeatures | grep -qv EM64T" true
-    sed -i 's,strings.Contains(.*sysctl.*,true {,' src/cmd/dist/util.go
-    sed -i 's,"/etc","'"$TMPDIR"'",' src/os/os_test.go
-    sed -i 's,/_go_os_test,'"$TMPDIR"'/_go_os_test,' src/os/path_test.go
-    sed -i '/TestCgoLookupIP/areturn' src/net/cgo_unix_test.go
-    sed -i '/TestChdirAndGetwd/areturn' src/os/os_test.go
-    sed -i '/TestRead0/areturn' src/os/os_test.go
-    sed -i '/TestNohup/areturn' src/os/signal/signal_test.go
-    sed -i '/TestSystemRoots/areturn' src/crypto/x509/root_darwin_test.go
-
-    sed -i '/TestGoInstallRebuildsStalePackagesInOtherGOPATH/areturn' src/cmd/go/go_test.go
-    sed -i '/TestBuildDashIInstallsDependencies/areturn' src/cmd/go/go_test.go
-
-    sed -i '/TestDisasmExtld/areturn' src/cmd/objdump/objdump_test.go
-
-    touch $TMPDIR/group $TMPDIR/hosts $TMPDIR/passwd
-  '';
-
-  patches = [
-    ./remove-tools-1.5.patch
-  ]
-  # -ldflags=-s is required to compile on Darwin, see
-  # https://github.com/golang/go/issues/11994
-  ++ stdenv.lib.optional stdenv.isDarwin ./strip.patch;
-
-  GOOS = if stdenv.isDarwin then "darwin" else "linux";
-  GOARCH = if stdenv.isDarwin then "amd64"
-           else if stdenv.system == "i686-linux" then "386"
-           else if stdenv.system == "x86_64-linux" then "amd64"
-           else if stdenv.isArm then "arm"
-           else throw "Unsupported system";
-  GOARM = stdenv.lib.optionalString (stdenv.system == "armv5tel-linux") "5";
-  GO386 = 387; # from Arch: don't assume sse2 on i686
-  CGO_ENABLED = 0;
-  GOROOT_BOOTSTRAP = "${goBootstrap}/share/go";
-
-  # The go build actually checks for CC=*/clang and does something different, so we don't
-  # just want the generic `cc` here.
-  CC = if stdenv.isDarwin then "clang" else "cc";
-
-  installPhase = ''
-    mkdir -p "$out/bin"
-    export GOROOT="$(pwd)/"
-    export GOBIN="$out/bin"
-    export PATH="$GOBIN:$PATH"
-    cd ./src
-    echo Building
-    ./all.bash
-  '';
-
-  preFixup = ''
-    rm -r $out/share/go/pkg/bootstrap
-  '';
-
-  setupHook = ./setup-hook.sh;
-
-  disallowedReferences = [ go_1_4 ];
-
-  meta = with stdenv.lib; {
-    branch = "1.5";
-    homepage = http://golang.org/;
-    description = "The Go Programming language";
-    license = licenses.bsd3;
-    maintainers = with maintainers; [ cstrahan wkennington ];
-    platforms = platforms.linux ++ platforms.darwin;
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 61a3c0abcc68..88b5a1e027dc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -4729,10 +4729,6 @@ in
     inherit (darwin.apple_sdk.frameworks) Security;
   };
 
-  go_1_5 = callPackage ../development/compilers/go/1.5.nix {
-    inherit (darwin.apple_sdk.frameworks) Security Foundation;
-  };
-
   go_1_6 = callPackage ../development/compilers/go/1.6.nix {
     inherit (darwin.apple_sdk.frameworks) Security Foundation;
   };
@@ -9978,10 +9974,6 @@ in
     go = go_1_4;
   };
 
-  buildGo15Package = callPackage ../development/go-modules/generic {
-    go = go_1_5;
-  };
-
   buildGo16Package = callPackage ../development/go-modules/generic {
     go = go_1_6;
   };