diff --git a/omniduct/databases/presto.py b/omniduct/databases/presto.py
index 37b5e3a..879881a 100644
--- a/omniduct/databases/presto.py
+++ b/omniduct/databases/presto.py
@@ -5,7 +5,6 @@
 import ast
 import logging
 import re
-import sys
 
 import pandas.io.sql
 from interface_meta import override