diff --git a/tests/data/test_minute_bars.py b/tests/data/test_minute_bars.py
index 68e740c3..43742019 100644
--- a/tests/data/test_minute_bars.py
+++ b/tests/data/test_minute_bars.py
@@ -34,7 +34,6 @@ from pandas import (
     NaT,
     date_range,
 )
-from testfixtures import TempDirectory
 
 from zipline.data.minute_bars import (
     BcolzMinuteBarWriter,