diff --git a/ucsinfer/util.py b/ucsinfer/util.py
index 003faef..51b9bf6 100644
--- a/ucsinfer/util.py
+++ b/ucsinfer/util.py
@@ -4,9 +4,6 @@ from typing import NamedTuple, Optional
 from re import match
 
 
-from .inference import Ucs
-
-
 def ffmpeg_description(path: str) -> Optional[str]:
     result = subprocess.run(['ffprobe', '-show_format', '-of',
                              'json', path], capture_output=True)