diff --git a/pyrightconfig.json b/pyrightconfig.json
deleted file mode 100644
index 741e0a1..0000000
--- a/pyrightconfig.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "executionEnvironments": [
-    {
-      "root": "scripts",
-      "extraPaths": ["script-resources"]
-    }
-  ]
-}
diff --git a/script-resources/factorio/property_tree.py b/script-resources/factorio/property_tree.py
deleted file mode 100644
index 24629e2..0000000
--- a/script-resources/factorio/property_tree.py
+++ /dev/null
@@ -1,65 +0,0 @@
-# <https://wiki.factorio.com/Property_tree>
-# <factorio.https://wiki.factorio.com/Data_types>
-# <https://github.com/credomane/factoriomodsettings/blob/master/src/ModSettingsDeserialiser.js>
-# <https://github.com/credomane/factoriomodsettings/blob/master/src/ModSettingsSerialiser.js>
-# <https://www.devdungeon.com/content/working-binary-data-python>
-
-import struct
-
-
-def read_bool(buf):
-    return buf.read(1)[0] == 1
-
-
-def read_number(buf):
-    return struct.unpack("<d", buf.read(8))[0]
-
-
-def _read_length(buf):
-    return struct.unpack("<I", buf.read(4))[0]
-
-
-def read_string(buf):
-    is_empty = read_bool(buf)
-    if is_empty:
-        return ""
-    len_ = buf.read(1)[0]
-    if len_ == 0xFF:
-        len_ = _read_length(buf)
-    return buf.read(len_).decode("utf8")
-
-
-def read_dictionary(buf):
-    len_ = _read_length(buf)
-    value = {}
-    for _ in range(len_):
-        key = read_string(buf)
-        value[key] = read(buf)
-    return value
-
-
-def read_list(buf):
-    len_ = _read_length(buf)
-    value = []
-    for _ in range(len_):
-        read_string(buf)
-        value.append(read(buf))
-    return value
-
-
-def read(buf):
-    type_, _any_type_flag = buf.read(2)
-    if type_ == 0:
-        return None
-    elif type_ == 1:
-        return read_bool(buf)
-    elif type_ == 2:
-        return read_number(buf)
-    elif type_ == 3:
-        return read_string(buf)
-    elif type_ == 4:
-        return read_list(buf)
-    elif type_ == 5:
-        return read_dictionary(buf)
-    else:
-        raise Exception("unknown property tree type 0x{:02x}".format(type_))
diff --git a/scripts/copy-crosscode-emoji-url b/scripts/copy-crosscode-emoji-url
index 8ce2d91..f2c1ec5 100755
--- a/scripts/copy-crosscode-emoji-url
+++ b/scripts/copy-crosscode-emoji-url
@@ -8,7 +8,8 @@ import urllib.parse
 import urllib.request
 
 sys.path.insert(1, os.path.join(os.path.dirname(__file__), "..", "script-resources"))
-import common_script_utils
+
+import common_script_utils  # noqa: E402
 
 
 DEFAULT_REGISTRY_DUMP_URL = "https://stronghold.crosscode.ru/~ccbot/emote-registry.json"
diff --git a/scripts/factorio-dump-mod-settings b/scripts/factorio-dump-mod-settings
deleted file mode 100755
index 2f817b3..0000000
--- a/scripts/factorio-dump-mod-settings
+++ /dev/null
@@ -1,36 +0,0 @@
-#!/usr/bin/env python3
-# <https://wiki.factorio.com/Mod_settings_file_format>
-# <https://forums.factorio.com/59851>
-# <https://www.dropbox.com/sh/uscmj9y3cjfwpsr/AAD35_ZZu64EBi0awLA07fxga?dl=0>
-# <https://github.com/credomane/factoriomodsettings/blob/master/src/FactorioModSettings.js>
-
-import sys
-import os
-from pathlib import Path
-import struct
-import json
-
-sys.path.insert(1, os.path.join(os.path.dirname(__file__), "..", "script-resources"))
-import factorio.property_tree
-
-
-with open(Path.home() / ".factorio" / "mods" / "mod-settings.dat", "rb") as f:
-
-    version_main, version_major, version_minor, version_developer = struct.unpack(
-        "<HHHH", f.read(8)
-    )
-
-    always_false_flag = factorio.property_tree.read_bool(f)
-    assert not always_false_flag
-
-    deserialized_data = {
-        "factorio_version": {
-            "main": version_main,
-            "major": version_major,
-            "minor": version_minor,
-            "developer": version_developer,
-        },
-        "data": factorio.property_tree.read(f),
-    }
-
-    print(json.dumps(deserialized_data, indent=2))
diff --git a/scripts/query-bookmarks b/scripts/query-bookmarks
index 5b7023c..1014eac 100755
--- a/scripts/query-bookmarks
+++ b/scripts/query-bookmarks
@@ -17,7 +17,8 @@ import sqlite3
 import collections
 
 sys.path.insert(1, os.path.join(os.path.dirname(__file__), "..", "script-resources"))
-import common_script_utils
+
+import common_script_utils  # noqa: E402
 
 
 if sys.platform == "darwin":