diff --git a/setup.py b/setup.py
index 3698f1a44..a1367c397 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,6 @@ Windows executable + installer: python setup.py bdist_msi
 """
 
 import sys
-from itertools import chain
 
 from cx_Freeze import setup, Executable