diff --git a/aqt/commercial.py b/aqt/commercial.py
index 76fd5f43..2f2049b0 100644
--- a/aqt/commercial.py
+++ b/aqt/commercial.py
@@ -4,7 +4,6 @@
 import tempfile
 from logging import Logger, getLogger
 from pathlib import Path
-from sys import platform
 from typing import Optional
 
 import requests