diff --git a/tnefparse/util.py b/tnefparse/util.py
index bf69351..19b152d 100644
--- a/tnefparse/util.py
+++ b/tnefparse/util.py
@@ -3,7 +3,6 @@
 import logging
 import struct
 import uuid
-import warnings
 from datetime import datetime, timedelta
 
 logger = logging.getLogger(__package__)