diff --git a/src/pretix/base/models/orders.py b/src/pretix/base/models/orders.py
index 06ad673f8..089c5cea5 100644
--- a/src/pretix/base/models/orders.py
+++ b/src/pretix/base/models/orders.py
@@ -1449,6 +1449,7 @@ class OrderPosition(AbstractPosition):
         # Delete afterwards. Deleting in between might cause deletion of things related to add-ons
         # due to the deletion cascade.
         for cartpos in cp:
+            cartpos.addons.all().delete()
             cartpos.delete()
         return ops