diff --git a/src/plone/restapi/tests/test_serializer_summary.py b/src/plone/restapi/tests/test_serializer_summary.py
index e0ad823555..36296d78c8 100644
--- a/src/plone/restapi/tests/test_serializer_summary.py
+++ b/src/plone/restapi/tests/test_serializer_summary.py
@@ -17,7 +17,6 @@
 from zope.interface import alsoProvides
 
 import Missing
-import transaction
 import unittest