diff --git a/yt_dlp/extractor/niconico.py b/yt_dlp/extractor/niconico.py
index 808eb13d5..f09c60b07 100644
--- a/yt_dlp/extractor/niconico.py
+++ b/yt_dlp/extractor/niconico.py
@@ -3,7 +3,6 @@
 import itertools
 import json
 import re
-import urllib.parse
 
 from .common import InfoExtractor, SearchInfoExtractor
 from ..networking.exceptions import HTTPError
@@ -26,6 +25,7 @@
     unified_timestamp,
     update_url_query,
     url_basename,
+    url_or_none,
     urlencode_postdata,
     urljoin,
 )