diff --git a/scripts/update_mks_robin.py b/scripts/update_mks_robin.py
index f54c05f8..6ab54242 100755
--- a/scripts/update_mks_robin.py
+++ b/scripts/update_mks_robin.py
@@ -4,7 +4,7 @@
 # Copyright (C) 2020  Kevin O'Connor <kevin@koconnor.net>
 #
 # This file may be distributed under the terms of the GNU GPLv3 license.
-import os, optparse, sys
+import optparse
 
 XOR_PATTERN = [
     0xA3, 0xBD, 0xAD, 0x0D, 0x41, 0x11, 0xBB, 0x8D, 0xDC, 0x80,