diff --git a/third_party/nixpkgs/patches/pr105296-factorio-updatescript.patch b/third_party/nixpkgs/patches/pr105296-factorio-updatescript.patch
deleted file mode 100644
index f247e7c237..0000000000
--- a/third_party/nixpkgs/patches/pr105296-factorio-updatescript.patch
+++ /dev/null
@@ -1,449 +0,0 @@
-From 2c8f7755d40dd1a77f99d766e1d23a3d4ddf67a1 Mon Sep 17 00:00:00 2001
-From: Luke Granger-Brown <git@lukegb.com>
-Date: Sat, 28 Nov 2020 22:52:07 +0000
-Subject: [PATCH 1/2] factorio: add an updateScript
-
-The updateScript knows how to automatically fetch and update the version
-data from the Factorio versions API (and update the hashes
-appropriately), which makes it easier to update whenever experimental
-does.
----
- pkgs/games/factorio/default.nix   | 120 ++++++++++-----------
- pkgs/games/factorio/update.py     | 174 ++++++++++++++++++++++++++++++
- pkgs/games/factorio/versions.json |  58 ++++++++++
- 3 files changed, 286 insertions(+), 66 deletions(-)
- create mode 100755 pkgs/games/factorio/update.py
- create mode 100644 pkgs/games/factorio/versions.json
-
-diff --git a/pkgs/games/factorio/default.nix b/pkgs/games/factorio/default.nix
-index f5f12b47dd72d..14e00380e8751 100644
---- a/pkgs/games/factorio/default.nix
-+++ b/pkgs/games/factorio/default.nix
-@@ -13,6 +13,8 @@ assert releaseType == "alpha"
- 
- let
- 
-+  inherit (stdenv.lib) importJSON;
-+
-   helpMsg = ''
- 
-     ===FETCH FAILED===
-@@ -59,72 +61,54 @@ let
- 
-   # NB `experimental` directs us to take the latest build, regardless of its branch;
-   # hence the (stable, experimental) pairs may sometimes refer to the same distributable.
--  binDists = {
--    x86_64-linux = let bdist = bdistForArch { inUrl = "linux64"; inTar = "x64"; }; in {
--      alpha = {
--        stable        = bdist { sha256 = "0zixscff0svpb0yg8nzczp2z4filqqxi1k0z0nrpzn2hhzhf1464"; version = "1.0.0"; withAuth = true; };
--        experimental  = bdist { sha256 = "0cmia16d5dhy3f8mck926d7rrnavxmvb6a72ymjllxm37slsx60j"; version = "1.1.2"; withAuth = true; };
--      };
--      headless = {
--        stable        = bdist { sha256 = "0r0lplns8nxna2viv8qyx9mp4cckdvx6k20w2g2fwnj3jjmf3nc1"; version = "1.0.0"; };
--        experimental  = bdist { sha256 = "0x3lwz11z8cczqr5i799m4yg8x3yk6h5qz48pfzw4l2ikrrwgahd"; version = "1.1.2"; };
--      };
--      demo = {
--        stable        = bdist { sha256 = "0h9cqbp143w47zcl4qg4skns4cngq0k40s5jwbk0wi5asjz8whqn"; version = "1.0.0"; };
--      };
--    };
--    i686-linux = let bdist = bdistForArch { inUrl = "linux32"; inTar = "i386"; }; in {
--      alpha = {
--        stable        = bdist { sha256 = "0nnfkxxqnywx1z05xnndgh71gp4izmwdk026nnjih74m2k5j086l"; version = "0.14.23"; withAuth = true; nameMut = asGz; };
--      };
--    };
--  };
-+  versions = importJSON ./versions.json;
-+  binDists = makeBinDists versions;
- 
-   actual = binDists.${stdenv.hostPlatform.system}.${releaseType}.${branch} or (throw "Factorio ${releaseType}-${branch} binaries for ${stdenv.hostPlatform.system} are not available for download.");
- 
--  bdistForArch = arch: { version
--                       , sha256
--                       , withAuth ? false
--                       , nameMut ? x: x
--                       }:
--    let
--      url = "https://factorio.com/get-download/${version}/${releaseType}/${arch.inUrl}";
--      name = nameMut "factorio_${releaseType}_${arch.inTar}-${version}.tar.xz";
--    in {
--      inherit version arch;
--      src =
--        if withAuth then
--          (stdenv.lib.overrideDerivation
--            (fetchurl {
--              inherit name url sha256;
--              curlOpts = [
--                "--get"
--                "--data-urlencode" "username@username"
--                "--data-urlencode" "token@token"
--              ];
--            })
--            (_: { # This preHook hides the credentials from /proc
--                  preHook =
--                    if username != "" && token != "" then ''
--                      echo -n "${username}" >username
--                      echo -n "${token}"    >token
--                    '' else ''
--                      # Deliberately failing since username/token was not provided, so we can't fetch.
--                      # We can't use builtins.throw since we want the result to be used if the tar is in the store already.
--                      exit 1
--                    '';
--                  failureHook = ''
--                    cat <<EOF
--                    ${helpMsg}
--                    EOF
--                  '';
--            })
--          )
-+  makeBinDists = versions:
-+    let f = path: name: value:
-+      if builtins.isAttrs value then
-+        if value ? "name" then
-+          makeBinDist value
-         else
--          fetchurl { inherit name url sha256; };
--    };
--
--  asGz = builtins.replaceStrings [".xz"] [".gz"];
-+          builtins.mapAttrs (f (path ++ [ name ])) value
-+      else
-+        throw "expected attrset at ${toString path} - got ${toString value}";
-+    in
-+      builtins.mapAttrs (f []) versions;
-+  makeBinDist = { name, version, tarDirectory, url, sha256, needsAuth }: {
-+    inherit version tarDirectory;
-+    src =
-+      if !needsAuth then
-+        fetchurl { inherit name url sha256; }
-+      else
-+        (stdenv.lib.overrideDerivation
-+          (fetchurl {
-+            inherit name url sha256;
-+            curlOpts = [
-+              "--get"
-+              "--data-urlencode" "username@username"
-+              "--data-urlencode" "token@token"
-+            ];
-+          })
-+          (_: { # This preHook hides the credentials from /proc
-+                preHook =
-+                  if username != "" && token != "" then ''
-+                    echo -n "${username}" >username
-+                    echo -n "${token}"    >token
-+                  '' else ''
-+                    # Deliberately failing since username/token was not provided, so we can't fetch.
-+                    # We can't use builtins.throw since we want the result to be used if the tar is in the store already.
-+                    exit 1
-+                  '';
-+                failureHook = ''
-+                  cat <<EOF
-+                  ${helpMsg}
-+                  EOF
-+                '';
-+              }));
-+  };
- 
-   configBaseCfg = ''
-     use-system-read-write-data-directories=false
-@@ -159,12 +143,16 @@ let
-     installPhase = ''
-       mkdir -p $out/{bin,share/factorio}
-       cp -a data $out/share/factorio
--      cp -a bin/${arch.inTar}/factorio $out/bin/factorio
-+      cp -a bin/${tarDirectory}/factorio $out/bin/factorio
-       patchelf \
-         --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
-         $out/bin/factorio
-     '';
- 
-+    passthru.updateScript = if (username != "" && token != "") then [
-+      ./update.py "--username=${username}" "--token=${token}"
-+    ] else null;
-+
-     meta = {
-       description = "A game in which you build and maintain factories";
-       longDescription = ''
-@@ -176,13 +164,13 @@ let
-         ingenious structures, apply management skills to keep it working and
-         finally protect it from the creatures who don't really like you.
- 
--        Factorio has been in development since spring of 2012 and it is
--        currently in late alpha.
-+        Factorio has been in development since spring of 2012, and reached
-+        version 1.0 in mid 2020.
-       '';
-       homepage = "https://www.factorio.com/";
-       license = stdenv.lib.licenses.unfree;
-       maintainers = with stdenv.lib.maintainers; [ Baughn elitak erictapen priegger ];
--      platforms = [ "i686-linux" "x86_64-linux" ];
-+      platforms = [ "x86_64-linux" ];
-     };
-   };
- 
-diff --git a/pkgs/games/factorio/update.py b/pkgs/games/factorio/update.py
-new file mode 100755
-index 0000000000000..b1cdce6b4aa1c
---- /dev/null
-+++ b/pkgs/games/factorio/update.py
-@@ -0,0 +1,174 @@
-+#!/usr/bin/env nix-shell
-+#! nix-shell -i python -p "python3.withPackages (ps: with ps; [ ps.absl-py ps.requests ])" nix
-+
-+from collections import defaultdict
-+import copy
-+from dataclasses import dataclass
-+import json
-+import os.path
-+import subprocess
-+from typing import Callable, Dict
-+
-+from absl import app
-+from absl import flags
-+from absl import logging
-+import requests
-+
-+
-+FACTORIO_API = "https://factorio.com/api/latest-releases"
-+
-+
-+FLAGS = flags.FLAGS
-+
-+flags.DEFINE_string('username', '', 'Factorio username for retrieving binaries.')
-+flags.DEFINE_string('token', '', 'Factorio token for retrieving binaries.')
-+flags.DEFINE_string('out', '', 'Output path for versions.json.')
-+
-+
-+@dataclass
-+class System:
-+    nix_name: str
-+    url_name: str
-+    tar_name: str
-+
-+
-+@dataclass
-+class ReleaseType:
-+    name: str
-+    needs_auth: bool = False
-+
-+
-+@dataclass
-+class ReleaseChannel:
-+    name: str
-+
-+
-+FactorioVersionsJSON = Dict[str, Dict[str, str]]
-+OurVersionJSON = Dict[str, Dict[str, Dict[str, Dict[str, str]]]]
-+
-+
-+SYSTEMS = [
-+    System(nix_name="x86_64-linux", url_name="linux64", tar_name="x64"),
-+]
-+
-+RELEASE_TYPES = [
-+    ReleaseType("alpha", needs_auth=True),
-+    ReleaseType("demo"),
-+    ReleaseType("headless"),
-+]
-+
-+RELEASE_CHANNELS = [
-+    ReleaseChannel("experimental"),
-+    ReleaseChannel("stable"),
-+]
-+
-+
-+def find_versions_json() -> str:
-+    if FLAGS.out:
-+        return out
-+    try_paths = ["pkgs/games/factorio/versions.json", "versions.json"]
-+    for path in try_paths:
-+        if os.path.exists(path):
-+            return path
-+    raise Exception("Couldn't figure out where to write versions.json; try specifying --out")
-+
-+
-+def fetch_versions() -> FactorioVersionsJSON:
-+    return json.loads(requests.get("https://factorio.com/api/latest-releases").text)
-+
-+
-+def generate_our_versions(factorio_versions: FactorioVersionsJSON) -> OurVersionJSON:
-+    rec_dd = lambda: defaultdict(rec_dd)
-+    output = rec_dd()
-+    for system in SYSTEMS:
-+        for release_type in RELEASE_TYPES:
-+            for release_channel in RELEASE_CHANNELS:
-+                version = factorio_versions[release_channel.name][release_type.name]
-+                this_release = {
-+                    "name":         f"factorio_{release_type.name}_{system.tar_name}-{version}.tar.xz",
-+                    "url":          f"https://factorio.com/get-download/{version}/{release_type.name}/{system.url_name}",
-+                    "version":      version,
-+                    "needsAuth":    release_type.needs_auth,
-+                    "tarDirectory": system.tar_name,
-+                }
-+                output[system.nix_name][release_type.name][release_channel.name] = this_release
-+    return output
-+
-+
-+def iter_version(versions: OurVersionJSON, it: Callable[[str, str, str, Dict[str, str]], Dict[str, str]]) -> OurVersionJSON:
-+    versions = copy.deepcopy(versions)
-+    for system_name, system in versions.items():
-+        for release_type_name, release_type in system.items():
-+            for release_channel_name, release in release_type.items():
-+                release_type[release_channel_name] = it(system_name, release_type_name, release_channel_name, dict(release))
-+    return versions
-+
-+
-+def merge_versions(old: OurVersionJSON, new: OurVersionJSON) -> OurVersionJSON:
-+    """Copies already-known hashes from version.json to avoid having to re-fetch."""
-+    def _merge_version(system_name: str, release_type_name: str, release_channel_name: str, release: Dict[str, str]) -> Dict[str, str]:
-+        old_system = old.get(system_name, {})
-+        old_release_type = old_system.get(release_type_name, {})
-+        old_release = old_release_type.get(release_channel_name, {})
-+        if not "sha256" in old_release:
-+            logging.info("%s/%s/%s: not copying sha256 since it's missing", system_name, release_type_name, release_channel_name)
-+            return release
-+        if not all(old_release.get(k, None) == release[k] for k in ['name', 'version', 'url']):
-+            logging.info("%s/%s/%s: not copying sha256 due to mismatch", system_name, release_type_name, release_channel_name)
-+            return release
-+        release["sha256"] = old_release["sha256"]
-+        return release
-+    return iter_version(new, _merge_version)
-+
-+
-+def nix_prefetch_url(name: str, url: str, algo: str = 'sha256') -> str:
-+    cmd = ['nix-prefetch-url', '--type', algo, '--name', name, url]
-+    logging.info('running %s', cmd)
-+    out = subprocess.check_output(cmd)
-+    return out.decode('utf-8').strip()
-+
-+
-+def fill_in_hash(versions: OurVersionJSON) -> OurVersionJSON:
-+    """Fill in sha256 hashes for anything missing them."""
-+    urls_to_hash = {}
-+    def _fill_in_hash(system_name: str, release_type_name: str, release_channel_name: str, release: Dict[str, str]) -> Dict[str, str]:
-+        if "sha256" in release:
-+            logging.info("%s/%s/%s: skipping fetch, sha256 already present", system_name, release_type_name, release_channel_name)
-+            return release
-+        url = release["url"]
-+        if url in urls_to_hash:
-+            logging.info("%s/%s/%s: found url %s in cache", system_name, release_type_name, release_channel_name, url)
-+            release["sha256"] = urls_to_hash[url]
-+            return release
-+        logging.info("%s/%s/%s: fetching %s", system_name, release_type_name, release_channel_name, url)
-+        if release["needsAuth"]:
-+            if not FLAGS.username or not FLAGS.token:
-+                raise Exception("fetching %s/%s/%s from %s requires --username and --token" % (system_name, release_type_name, release_channel_name, url))
-+            url += f"?username={FLAGS.username}&token={FLAGS.token}"
-+        release["sha256"] = nix_prefetch_url(release["name"], url)
-+        urls_to_hash[url] = release["sha256"]
-+        return release
-+    return iter_version(versions, _fill_in_hash)
-+
-+
-+def main(argv):
-+    factorio_versions = fetch_versions()
-+    new_our_versions = generate_our_versions(factorio_versions)
-+    old_our_versions = None
-+    our_versions_path = find_versions_json()
-+    if our_versions_path:
-+        logging.info('Loading old versions.json from %s', our_versions_path)
-+        with open(our_versions_path, 'r') as f:
-+            old_our_versions = json.load(f)
-+    if old_our_versions:
-+        logging.info('Merging in old hashes')
-+        new_our_versions = merge_versions(old_our_versions, new_our_versions)
-+    logging.info('Fetching necessary tars to get hashes')
-+    new_our_versions = fill_in_hash(new_our_versions)
-+    with open(our_versions_path, 'w') as f:
-+        logging.info('Writing versions.json to %s', our_versions_path)
-+        json.dump(new_our_versions, f, sort_keys=True, indent=2)
-+        f.write("\n")
-+
-+if __name__ == '__main__':
-+    app.run(main)
-diff --git a/pkgs/games/factorio/versions.json b/pkgs/games/factorio/versions.json
-new file mode 100644
-index 0000000000000..82ab40ec3cbe5
---- /dev/null
-+++ b/pkgs/games/factorio/versions.json
-@@ -0,0 +1,58 @@
-+{
-+  "x86_64-linux": {
-+    "alpha": {
-+      "experimental": {
-+        "name": "factorio_alpha_x64-1.1.2.tar.xz",
-+        "needsAuth": true,
-+        "sha256": "0cmia16d5dhy3f8mck926d7rrnavxmvb6a72ymjllxm37slsx60j",
-+        "tarDirectory": "x64",
-+        "url": "https://factorio.com/get-download/1.1.2/alpha/linux64",
-+        "version": "1.1.2"
-+      },
-+      "stable": {
-+        "name": "factorio_alpha_x64-1.0.0.tar.xz",
-+        "needsAuth": true,
-+        "sha256": "0zixscff0svpb0yg8nzczp2z4filqqxi1k0z0nrpzn2hhzhf1464",
-+        "tarDirectory": "x64",
-+        "url": "https://factorio.com/get-download/1.0.0/alpha/linux64",
-+        "version": "1.0.0"
-+      }
-+    },
-+    "demo": {
-+      "experimental": {
-+        "name": "factorio_demo_x64-1.0.0.tar.xz",
-+        "needsAuth": false,
-+        "sha256": "0h9cqbp143w47zcl4qg4skns4cngq0k40s5jwbk0wi5asjz8whqn",
-+        "tarDirectory": "x64",
-+        "url": "https://factorio.com/get-download/1.0.0/demo/linux64",
-+        "version": "1.0.0"
-+      },
-+      "stable": {
-+        "name": "factorio_demo_x64-1.0.0.tar.xz",
-+        "needsAuth": false,
-+        "sha256": "0h9cqbp143w47zcl4qg4skns4cngq0k40s5jwbk0wi5asjz8whqn",
-+        "tarDirectory": "x64",
-+        "url": "https://factorio.com/get-download/1.0.0/demo/linux64",
-+        "version": "1.0.0"
-+      }
-+    },
-+    "headless": {
-+      "experimental": {
-+        "name": "factorio_headless_x64-1.1.2.tar.xz",
-+        "needsAuth": false,
-+        "sha256": "0x3lwz11z8cczqr5i799m4yg8x3yk6h5qz48pfzw4l2ikrrwgahd",
-+        "tarDirectory": "x64",
-+        "url": "https://factorio.com/get-download/1.1.2/headless/linux64",
-+        "version": "1.1.2"
-+      },
-+      "stable": {
-+        "name": "factorio_headless_x64-1.0.0.tar.xz",
-+        "needsAuth": false,
-+        "sha256": "0r0lplns8nxna2viv8qyx9mp4cckdvx6k20w2g2fwnj3jjmf3nc1",
-+        "tarDirectory": "x64",
-+        "url": "https://factorio.com/get-download/1.0.0/headless/linux64",
-+        "version": "1.0.0"
-+      }
-+    }
-+  }
-+}
-
-From 8a63eaab52abc1ffe065f0c9f93eeedaae7a487b Mon Sep 17 00:00:00 2001
-From: Luke Granger-Brown <git@lukegb.com>
-Date: Sat, 28 Nov 2020 22:53:22 +0000
-Subject: [PATCH 2/2] factorio: add lukegb as maintainer
-
----
- pkgs/games/factorio/default.nix | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/pkgs/games/factorio/default.nix b/pkgs/games/factorio/default.nix
-index 14e00380e8751..4535f31f26237 100644
---- a/pkgs/games/factorio/default.nix
-+++ b/pkgs/games/factorio/default.nix
-@@ -169,7 +169,7 @@ let
-       '';
-       homepage = "https://www.factorio.com/";
-       license = stdenv.lib.licenses.unfree;
--      maintainers = with stdenv.lib.maintainers; [ Baughn elitak erictapen priegger ];
-+      maintainers = with stdenv.lib.maintainers; [ Baughn elitak erictapen priegger lukegb ];
-       platforms = [ "x86_64-linux" ];
-     };
-   };
diff --git a/third_party/nixpkgs/patches/pr105471-factorio-bump-1.1.3.patch b/third_party/nixpkgs/patches/pr105471-factorio-bump-1.1.3.patch
deleted file mode 100644
index 3fa2099a06..0000000000
--- a/third_party/nixpkgs/patches/pr105471-factorio-bump-1.1.3.patch
+++ /dev/null
@@ -1,48 +0,0 @@
-From e555cb3a33b778227c60587eb66c538403bf9cf9 Mon Sep 17 00:00:00 2001
-From: Luke Granger-Brown <git@lukegb.com>
-Date: Mon, 30 Nov 2020 18:03:14 +0000
-Subject: [PATCH] factorio-experimental, factorio-headless-experimental: 1.1.2
- -> 1.1.3
-
----
- pkgs/games/factorio/versions.json | 16 ++++++++--------
- 1 file changed, 8 insertions(+), 8 deletions(-)
-
-diff --git a/pkgs/games/factorio/versions.json b/pkgs/games/factorio/versions.json
-index 82ab40ec3cbe5..a76f5abc14750 100644
---- a/pkgs/games/factorio/versions.json
-+++ b/pkgs/games/factorio/versions.json
-@@ -2,12 +2,12 @@
-   "x86_64-linux": {
-     "alpha": {
-       "experimental": {
--        "name": "factorio_alpha_x64-1.1.2.tar.xz",
-+        "name": "factorio_alpha_x64-1.1.3.tar.xz",
-         "needsAuth": true,
--        "sha256": "0cmia16d5dhy3f8mck926d7rrnavxmvb6a72ymjllxm37slsx60j",
-+        "sha256": "0lsgj7361bf9zhidp4hpdhb9jj7wgcw7s0q5bpqbigbnz848m3lm",
-         "tarDirectory": "x64",
--        "url": "https://factorio.com/get-download/1.1.2/alpha/linux64",
--        "version": "1.1.2"
-+        "url": "https://factorio.com/get-download/1.1.3/alpha/linux64",
-+        "version": "1.1.3"
-       },
-       "stable": {
-         "name": "factorio_alpha_x64-1.0.0.tar.xz",
-@@ -38,12 +38,12 @@
-     },
-     "headless": {
-       "experimental": {
--        "name": "factorio_headless_x64-1.1.2.tar.xz",
-+        "name": "factorio_headless_x64-1.1.3.tar.xz",
-         "needsAuth": false,
--        "sha256": "0x3lwz11z8cczqr5i799m4yg8x3yk6h5qz48pfzw4l2ikrrwgahd",
-+        "sha256": "1164hbbd1b33hjnvjm079czjypj837gpjp2i4f23rkd4qmjpl0dj",
-         "tarDirectory": "x64",
--        "url": "https://factorio.com/get-download/1.1.2/headless/linux64",
--        "version": "1.1.2"
-+        "url": "https://factorio.com/get-download/1.1.3/headless/linux64",
-+        "version": "1.1.3"
-       },
-       "stable": {
-         "name": "factorio_headless_x64-1.0.0.tar.xz",
diff --git a/third_party/nixpkgs/patches/series b/third_party/nixpkgs/patches/series
index ad17f1fb94..078bafb1a5 100644
--- a/third_party/nixpkgs/patches/series
+++ b/third_party/nixpkgs/patches/series
@@ -1,5 +1,3 @@
 pr105275-pulseaudio-bump-14.0.patch
-pr105296-factorio-updatescript.patch
-pr105471-factorio-bump-1.1.3.patch
 pr105805-factorio-bump-1.1.4.patch
 pr105907-factorio-bump-1.1.5.patch