diff --git a/src/pretix/base/services/tickets.py b/src/pretix/base/services/tickets.py
index 5135b958f2..7241bd85e6 100644
--- a/src/pretix/base/services/tickets.py
+++ b/src/pretix/base/services/tickets.py
@@ -1,7 +1,6 @@
 from datetime import timedelta
 
 from django.core.files.base import ContentFile
-from django.db import transaction
 from django.utils.timezone import now
 from django.utils.translation import ugettext as _