diff --git a/anime_audio_helper.py b/anime_audio_helper.py
index d058c6f..d4f6eff 100755
--- a/anime_audio_helper.py
+++ b/anime_audio_helper.py
@@ -11,7 +11,7 @@ from pathlib import Path
 
 REQUIRED_TOOLS = [
     "ffmpeg", "ffprobe", "mkvmerge", "mkvpropedit",
-    "sox", "opusenc", "mediainfo", "av1an", "HandBrakeCLI" # Added HandBrakeCLI
+    "sox", "opusenc", "mediainfo", "HandBrakeCLI"
 ]
 DIR_COMPLETED = Path("completed")
 DIR_ORIGINAL = Path("original")