diff --git a/dkimpy_milter/config.py b/dkimpy_milter/config.py
index 6c208c7..490ac3f 100644
--- a/dkimpy_milter/config.py
+++ b/dkimpy_milter/config.py
@@ -27,7 +27,6 @@
 import syslog
 import os
 import sys
-import re
 import stat
 import dkim
 import socket