diff --git a/borg/testsuite/logger.py b/borg/testsuite/logger.py
index 3ccd651a0..d5010226d 100644
--- a/borg/testsuite/logger.py
+++ b/borg/testsuite/logger.py
@@ -1,8 +1,5 @@
 import logging
-try:
-    from StringIO import StringIO
-except ImportError:
-    from io import StringIO
+from io import StringIO
 import sys
 
 from mock import Mock