diff --git a/geomagio/Util.py b/geomagio/Util.py
index 4b44b24b7dff138b635cf339293dcb7a1acc7a82..e5404ae45b5ef556e894e1d7309b51b15aac77c0 100644
--- a/geomagio/Util.py
+++ b/geomagio/Util.py
@@ -3,7 +3,6 @@ import numpy
 import os
 from obspy.core import Stats, Trace
 from StringIO import StringIO
-import sys
 
 
 class ObjectView(object):