diff --git a/pyroSAR/drivers.py b/pyroSAR/drivers.py
index e4c1ed9e..e5d7e6d6 100644
--- a/pyroSAR/drivers.py
+++ b/pyroSAR/drivers.py
@@ -38,7 +38,7 @@
 import tarfile as tf
 import xml.etree.ElementTree as ET
 import zipfile as zf
-from datetime import datetime, timedelta
+from datetime import datetime
 from time import strptime, strftime
 from statistics import median
 from itertools import groupby