[EmbedThumbnail] Do not obey `-k`

1 files changed, 6 insertions, 0 deletions

diff --git a/yt_dlp/postprocessor/common.py b/yt_dlp/postprocessor/common.py
index 519d06138..1d11e82a2 100644
--- a/yt_dlp/postprocessor/common.py
+++ b/yt_dlp/postprocessor/common.py
@@ -92,6 +92,12 @@ class PostProcessor(metaclass=PostProcessorMetaClass):
         if self._downloader:
             return self._downloader.write_debug(text, *args, **kwargs)
 
+    def _delete_downloaded_files(self, *files_to_delete, **kwargs):
+        if not self._downloader:
+            for filename in set(filter(None, files_to_delete)):
+                os.remove(filename)
+        return self._downloader._delete_downloaded_files(*files_to_delete, **kwargs)
+
     def get_param(self, name, default=None, *args, **kwargs):
         if self._downloader:
             return self._downloader.params.get(name, default, *args, **kwargs)