diff --git a/yt_dlp/YoutubeDL.py b/yt_dlp/YoutubeDL.py
index 3bf8cb42d2..492017ba74 100644
--- a/yt_dlp/YoutubeDL.py
+++ b/yt_dlp/YoutubeDL.py
@@ -3467,15 +3467,14 @@ def run_pp(self, pp, infodict):
                 return infodict
             raise
 
+        if pp.PP_NAME = 'SubtitlesConvertor' and self.params.get('keepintermediate', False) == 'ConvertSubs':
+            files_to_delete = []
+
         if not files_to_delete:
             return infodict
         if self.params.get('keepvideo', False):
             for f in files_to_delete:
                 infodict['__files_to_move'].setdefault(f, '')
-        elif self.params.get('keepsubs', False):
-            for f in files_to_delete:
-                if f.endswith('.vtt'):
-                    infodict['__files_to_move'].setdefault(f, '')
         else:
             self._delete_downloaded_files(
                 *files_to_delete, info=infodict, msg='Deleting original file %s (pass -k to keep)')