diff --git a/yt_dlp/extractor/ctvnews.py b/yt_dlp/extractor/ctvnews.py
index 00051eab8b..7e88e92b79 100644
--- a/yt_dlp/extractor/ctvnews.py
+++ b/yt_dlp/extractor/ctvnews.py
@@ -53,7 +53,6 @@ class CTVNewsIE(InfoExtractor):
         'info_dict':
         {
             'id': '1.6665797',
-            'ext': 'mp4',
         },
         'playlist_mincount': 1,
     }]