diff --git a/face_swapper/src/models/discriminator.py b/face_swapper/src/models/discriminator.py
index 707985a..63da839 100644
--- a/face_swapper/src/models/discriminator.py
+++ b/face_swapper/src/models/discriminator.py
@@ -1,5 +1,4 @@
 import configparser
-from itertools import chain
 from typing import List
 
 import numpy