diff --git a/pkgs/development/libraries/v8/8_x.nix b/pkgs/development/libraries/v8/8_x.nix
deleted file mode 100644
index 67187a5ec10..00000000000
--- a/pkgs/development/libraries/v8/8_x.nix
+++ /dev/null
@@ -1,172 +0,0 @@
-{ stdenv, lib, fetchgit, fetchFromGitHub
-, gn, ninja, python39, glib, pkg-config, icu
-, xcbuild, darwin
-, fetchpatch
-}:
-
-# Use update.sh to update all checksums.
-
-let
-  version = "8.8.278.14";
-  v8Src = fetchgit {
-    url = "https://chromium.googlesource.com/v8/v8";
-    rev = version;
-    sha256 = "0w6zldyas9w6p394876ssn3pnr5rjzjy1a5dcsmdkfj51m4rlg8m";
-  };
-
-  git_url = "https://chromium.googlesource.com";
-
-  # This data is from the DEPS file in the root of a V8 checkout.
-  deps = {
-    "base/trace_event/common" = fetchgit {
-      url    = "${git_url}/chromium/src/base/trace_event/common.git";
-      rev    = "eb94f1c7aa96207f469008f29989a43feb2718f8";
-      sha256 = "14gym38ncc9cysknv3jrql7jvcpjxf2d1dh4m8jgqb967jyzy5cj";
-    };
-    "build" = fetchgit {
-      url    = "${git_url}/chromium/src/build.git";
-      rev    = "2101eff1ac4bfd25f2dfa71ad632a600a38c1ed9";
-      sha256 = "0i3xcwzi4pkv4xpgjkbmcpj5h6mji80zqskkx0jx3sx0ji63fylz";
-    };
-    "third_party/googletest/src" = fetchgit {
-      url    = "${git_url}/external/github.com/google/googletest.git";
-      rev    = "4fe018038f87675c083d0cfb6a6b57c274fb1753";
-      sha256 = "1ilm9dmnm2v4y6l1wyfsajsbqv56j29ldfbpd0ykg4q90gpxz201";
-    };
-    "third_party/icu" = fetchgit {
-      url    = "${git_url}/chromium/deps/icu.git";
-      rev    = "c2a4cae149aae7fd30c4cbe3cf1b30df03b386f1";
-      sha256 = "0lgzxf7hmfsgqazs74v5li9ifg8r0jx5m3gxh1mnw33vpwp7qqf4";
-    };
-    "third_party/zlib" = fetchgit {
-      url    = "${git_url}/chromium/src/third_party/zlib.git";
-      rev    = "e84c9a3fd75fdc39055b7ae27d6ec508e50bd39e";
-      sha256 = "03z30djnb3srhd0nvlxvx58sjqm2bvxk7j3vp4fk6h7a0sa2bdpi";
-    };
-    "third_party/jinja2" = fetchgit {
-      url    = "${git_url}/chromium/src/third_party/jinja2.git";
-      rev    = "a82a4944a7f2496639f34a89c9923be5908b80aa";
-      sha256 = "02mkjwkrzhrg16zx97z792l0faz7gc8vga8w10r5y94p98jymnyz";
-    };
-    "third_party/markupsafe" = fetchgit {
-      url    = "${git_url}/chromium/src/third_party/markupsafe.git";
-      rev    = "0944e71f4b2cb9a871bcbe353f95e889b64a611a";
-      sha256 = "052ij8i7nkqchbvzv6ykj929hvfxjbzq7az2l01r0l2gfazhvdb9";
-    };
-  };
-
-  # See `gn_version` in DEPS.
-  gnSrc = fetchgit {
-    url = "https://gn.googlesource.com/gn";
-    rev = "53d92014bf94c3893886470a1c7c1289f8818db0";
-    sha256 = "1xcm07qjk6m2czi150fiqqxql067i832adck6zxrishm70c9jbr9";
-  };
-
-  myGn = gn.overrideAttrs (oldAttrs: {
-    version = "for-v8";
-    src = gnSrc;
-  });
-
-in
-
-stdenv.mkDerivation rec {
-  pname = "v8";
-  inherit version;
-
-  doCheck = true;
-
-  patches = [
-    ./darwin.patch
-  ];
-
-  src = v8Src;
-
-  postUnpack = ''
-    ${lib.concatStringsSep "\n" (
-      lib.mapAttrsToList (n: v: ''
-        mkdir -p $sourceRoot/${n}
-        cp -r ${v}/* $sourceRoot/${n}
-      '') deps)}
-    chmod u+w -R .
-  '';
-
-  postPatch = ''
-    ${lib.optionalString stdenv.isAarch64 ''
-      substituteInPlace build/toolchain/linux/BUILD.gn \
-        --replace 'toolprefix = "aarch64-linux-gnu-"' 'toolprefix = ""'
-    ''}
-    ${lib.optionalString stdenv.isDarwin ''
-      substituteInPlace build/config/compiler/compiler.gni \
-        --replace 'strip_absolute_paths_from_debug_symbols = true' \
-                  'strip_absolute_paths_from_debug_symbols = false'
-      substituteInPlace build/config/compiler/BUILD.gn \
-        --replace 'current_toolchain == host_toolchain || !use_xcode_clang' \
-                  'false'
-    ''}
-    echo 'checkout_google_benchmark = false' > build/config/gclient_args.gni
-  '';
-
-  gnFlags = [
-    "use_custom_libcxx=false"
-    "is_clang=${lib.boolToString stdenv.cc.isClang}"
-    "use_sysroot=false"
-    # "use_system_icu=true"
-    "clang_use_chrome_plugins=false"
-    "is_component_build=false"
-    "v8_use_external_startup_data=false"
-    "v8_monolithic=true"
-    "is_debug=true"
-    "is_official_build=false"
-    "treat_warnings_as_errors=false"
-    "v8_enable_i18n_support=true"
-    "use_gold=false"
-    # ''custom_toolchain="//build/toolchain/linux/unbundle:default"''
-    ''host_toolchain="//build/toolchain/linux/unbundle:default"''
-    ''v8_snapshot_toolchain="//build/toolchain/linux/unbundle:default"''
-  ] ++ lib.optional stdenv.cc.isClang ''clang_base_path="${stdenv.cc}"'';
-
-  env.NIX_CFLAGS_COMPILE = "-O2";
-  FORCE_MAC_SDK_MIN = stdenv.targetPlatform.sdkVer or "10.12";
-
-  nativeBuildInputs = [
-    myGn
-    ninja
-    pkg-config
-    python39
-  ] ++ lib.optionals stdenv.isDarwin [
-    xcbuild
-    darwin.DarwinTools
-    python39.pkgs.setuptools
-  ];
-  buildInputs = [ glib icu ];
-
-  ninjaFlags = [ ":d8" "v8_monolith" ];
-
-  enableParallelBuilding = true;
-
-  installPhase = ''
-    install -D d8 $out/bin/d8
-    install -D -m644 obj/libv8_monolith.a $out/lib/libv8.a
-    install -D -m644 icudtl.dat $out/share/v8/icudtl.dat
-    ln -s libv8.a $out/lib/libv8_monolith.a
-    cp -r ../../include $out
-
-    mkdir -p $out/lib/pkgconfig
-    cat > $out/lib/pkgconfig/v8.pc << EOF
-    Name: v8
-    Description: V8 JavaScript Engine
-    Version: ${version}
-    Libs: -L$out/lib -lv8 -pthread
-    Cflags: -I$out/include
-    EOF
-  '';
-
-  meta = with lib; {
-    homepage = "https://v8.dev/";
-    description = "Google's open source JavaScript engine";
-    maintainers = with maintainers; [ cstrahan proglodyte matthewbauer ];
-    platforms = platforms.unix;
-    license = licenses.bsd3;
-    broken = stdenv.cc.isGNU && lib.versionAtLeast stdenv.cc.version "12";
-  };
-}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 679e3b4beb4..c3b0b1dc138 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -24167,8 +24167,6 @@ with pkgs;
 
   v8 = darwin.apple_sdk_11_0.callPackage ../development/libraries/v8 { };
 
-  v8_8_x = callPackage ../development/libraries/v8/8_x.nix { };
-
   vaapiIntel = callPackage ../development/libraries/vaapi-intel { };
 
   vaapi-intel-hybrid = callPackage ../development/libraries/vaapi-intel-hybrid { };