diff --git a/yt_dlp/extractor/bravotv.py b/yt_dlp/extractor/bravotv.py
index e8f823f28d..0b2c447987 100644
--- a/yt_dlp/extractor/bravotv.py
+++ b/yt_dlp/extractor/bravotv.py
@@ -145,10 +145,9 @@ def _real_extract(self, url):
         tp_metadata = self._download_json(
             update_url_query(tp_url, {'format': 'preview'}), video_id, fatal=False)
 
-        seconds_or_none = float_or_none(scale=1000)
         chapters = traverse_obj(tp_metadata, ('chapters', ..., {
-            'start_time': ('startTime', {seconds_or_none}),
-            'end_time': ('endTime', {seconds_or_none}),
+            'start_time': ('startTime', {float_or_none(scale=1000)}),
+            'end_time': ('endTime', {float_or_none(scale=1000)}),
         }))
         # prune pointless single chapters that span the entire duration from short videos
         if len(chapters) == 1 and not traverse_obj(chapters, (0, 'end_time')):
@@ -168,8 +167,8 @@ def _real_extract(self, url):
             **merge_dicts(traverse_obj(tp_metadata, {
                 'title': 'title',
                 'description': 'description',
-                'duration': ('duration', {seconds_or_none}),
-                'timestamp': ('pubDate', {seconds_or_none}),
+                'duration': ('duration', {float_or_none(scale=1000)}),
+                'timestamp': ('pubDate', {float_or_none(scale=1000)}),
                 'season_number': (('pl1$seasonNumber', 'nbcu$seasonNumber'), {int_or_none}),
                 'episode_number': (('pl1$episodeNumber', 'nbcu$episodeNumber'), {int_or_none}),
                 'series': (('pl1$show', 'nbcu$show'), (None, ...), {str}),
diff --git a/yt_dlp/extractor/chzzk.py b/yt_dlp/extractor/chzzk.py
index f37e986597..5fe2a669b8 100644
--- a/yt_dlp/extractor/chzzk.py
+++ b/yt_dlp/extractor/chzzk.py
@@ -1,5 +1,3 @@
-import functools
-
 from .common import InfoExtractor
 from ..utils import (
     UserNotLive,
diff --git a/yt_dlp/extractor/cnn.py b/yt_dlp/extractor/cnn.py
index 058f9a3148..8148762c54 100644
--- a/yt_dlp/extractor/cnn.py
+++ b/yt_dlp/extractor/cnn.py
@@ -1,4 +1,3 @@
-import functools
 import json
 import re
 
diff --git a/yt_dlp/extractor/neteasemusic.py b/yt_dlp/extractor/neteasemusic.py
index 56a7ff30c8..900b8b2a30 100644
--- a/yt_dlp/extractor/neteasemusic.py
+++ b/yt_dlp/extractor/neteasemusic.py
@@ -36,10 +36,6 @@ class NetEaseMusicBaseIE(InfoExtractor):
     _API_BASE = 'http://music.163.com/api/'
     _GEO_BYPASS = False
 
-    @staticmethod
-    def _kilo_or_none(value):
-        return int_or_none(value, scale=1000)
-
     def _create_eapi_cipher(self, api_path, query_body, cookies):
         request_text = json.dumps({**query_body, 'header': cookies}, separators=(',', ':'))
 
@@ -101,7 +97,7 @@ def _extract_formats(self, info):
                 'vcodec': 'none',
                 **traverse_obj(song, {
                     'ext': ('type', {str}),
-                    'abr': ('br', {self._kilo_or_none}),
+                    'abr': ('br', {int_or_none(scale=1000)}),
                     'filesize': ('size', {int_or_none}),
                 }),
             })
@@ -282,9 +278,9 @@ def _real_extract(self, url):
             **lyric_data,
             **traverse_obj(info, {
                 'title': ('name', {str}),
-                'timestamp': ('album', 'publishTime', {self._kilo_or_none}),
+                'timestamp': ('album', 'publishTime', {int_or_none(scale=1000)}),
                 'thumbnail': ('album', 'picUrl', {url_or_none}),
-                'duration': ('duration', {self._kilo_or_none}),
+                'duration': ('duration', {int_or_none(scale=1000)}),
                 'album': ('album', 'name', {str}),
                 'average_rating': ('score', {int_or_none}),
             }),
@@ -440,7 +436,7 @@ def _real_extract(self, url):
             'tags': ('tags', ..., {str}),
             'uploader': ('creator', 'nickname', {str}),
             'uploader_id': ('creator', 'userId', {str_or_none}),
-            'timestamp': ('updateTime', {self._kilo_or_none}),
+            'timestamp': ('updateTime', {int_or_none(scale=1000)}),
         }))
         if traverse_obj(info, ('playlist', 'specialType')) == 10:
             metainfo['title'] = f'{metainfo.get("title")} {strftime_or_none(metainfo.get("timestamp"), "%Y-%m-%d")}'
@@ -520,7 +516,7 @@ def _real_extract(self, url):
                 'description': (('desc', 'briefDesc'), {str}, filter),
                 'upload_date': ('publishTime', {unified_strdate}),
                 'thumbnail': ('cover', {url_or_none}),
-                'duration': ('duration', {self._kilo_or_none}),
+                'duration': ('duration', {int_or_none(scale=1000)}),
                 'view_count': ('playCount', {int_or_none}),
                 'like_count': ('likeCount', {int_or_none}),
                 'comment_count': ('commentCount', {int_or_none}),
@@ -588,7 +584,7 @@ def _real_extract(self, url):
             'description': ('description', {str}),
             'creator': ('dj', 'brand', {str}),
             'thumbnail': ('coverUrl', {url_or_none}),
-            'timestamp': ('createTime', {self._kilo_or_none}),
+            'timestamp': ('createTime', {int_or_none(scale=1000)}),
         })
 
         if not self._yes_playlist(
@@ -598,7 +594,7 @@ def _real_extract(self, url):
             return {
                 'id': str(info['mainSong']['id']),
                 'formats': formats,
-                'duration': traverse_obj(info, ('mainSong', 'duration', {self._kilo_or_none})),
+                'duration': traverse_obj(info, ('mainSong', 'duration', {int_or_none(scale=1000)})),
                 **metainfo,
             }
 
diff --git a/yt_dlp/extractor/tencent.py b/yt_dlp/extractor/tencent.py
index 67bd912e1b..b281ad1a9f 100644
--- a/yt_dlp/extractor/tencent.py
+++ b/yt_dlp/extractor/tencent.py
@@ -1,4 +1,3 @@
-import functools
 import random
 import re
 import string
diff --git a/yt_dlp/extractor/tenplay.py b/yt_dlp/extractor/tenplay.py
index 8c3e1411bd..cc7bc3b2fc 100644
--- a/yt_dlp/extractor/tenplay.py
+++ b/yt_dlp/extractor/tenplay.py
@@ -1,4 +1,3 @@
-import functools
 import itertools
 
 from .common import InfoExtractor