diff --git a/parsedmarc/utils.py b/parsedmarc/utils.py
index d2149c1..7536fb5 100644
--- a/parsedmarc/utils.py
+++ b/parsedmarc/utils.py
@@ -16,7 +16,6 @@ import hashlib
 import base64
 import platform
 import atexit
-import io
 import mailbox
 
 import dateparser