diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 14e92ddcf..ce3abaee3 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1075,7 +1075,6 @@ def process_video_result(self, info_dict, download=True):
                                 'requested_formats': formats_info,
                                 'format': rf,
                                 'format_id': rf,
-                                'ext': formats_info[0]['ext'],
                                 'width': formats_info[0].get('width'),
                                 'height': formats_info[0].get('height'),
                                 'resolution': formats_info[0].get('resolution'),
diff --git a/youtube_dl/extractor/appletrailers.py b/youtube_dl/extractor/appletrailers.py
index 70621946d..287f71e07 100644
--- a/youtube_dl/extractor/appletrailers.py
+++ b/youtube_dl/extractor/appletrailers.py
@@ -122,7 +122,6 @@ def _clean_json(m):
             playlist.append({
                 '_type': 'video',
                 'id': video_id,
-                'title': title,
                 'formats': formats,
                 'title': title,
                 'duration': duration,