diff --git a/src/pretix/base/migrations/0269_itemcategory_cross_selling.py b/src/pretix/base/migrations/0270_itemcategory_cross_selling.py
similarity index 90%
rename from src/pretix/base/migrations/0269_itemcategory_cross_selling.py
rename to src/pretix/base/migrations/0270_itemcategory_cross_selling.py
index c183066224..33dc5a2608 100644
--- a/src/pretix/base/migrations/0269_itemcategory_cross_selling.py
+++ b/src/pretix/base/migrations/0270_itemcategory_cross_selling.py
@@ -8,7 +8,7 @@ import pretix.base.models.orders
 class Migration(migrations.Migration):
 
     dependencies = [
-        ("pretixbase", "0268_remove_subevent_items_remove_subevent_variations_and_more"),
+        ("pretixbase", "0269_order_api_meta"),
     ]
 
     operations = [
diff --git a/src/pretix/base/models/discount.py b/src/pretix/base/models/discount.py
index d6fc6ca18a..d506681822 100644
--- a/src/pretix/base/models/discount.py
+++ b/src/pretix/base/models/discount.py
@@ -307,11 +307,9 @@ class Discount(LoggedModel):
                                             n_groups * self.condition_min_count:
                                             possible_applications_cond * self.condition_min_count
                                             ]):
-                        print(i, idx)
                         collect_potential_discounts[idx] += [
                             (self, self.benefit_only_apply_to_cheapest_n_matches, i // self.condition_min_count)
                         ]
-                    print(collect_potential_discounts)
 
         else:
             consume_idx = condition_idx_group
diff --git a/src/pretix/base/services/pricing.py b/src/pretix/base/services/pricing.py
index 2c71f7db88..f3fa95cd90 100644
--- a/src/pretix/base/services/pricing.py
+++ b/src/pretix/base/services/pricing.py
@@ -20,6 +20,7 @@
 # <https://www.gnu.org/licenses/>.
 #
 import re
+from collections import defaultdict
 from decimal import Decimal
 from typing import List, Optional, Tuple, Union
 
@@ -158,13 +159,16 @@ def get_line_price(price_after_voucher: Decimal, custom_price_input: Decimal, cu
 
 def apply_discounts(event: Event, sales_channel: Union[str, SalesChannel],
                     positions: List[Tuple[int, Optional[int], Decimal, bool, bool, Decimal]],
-                    collect_potential_discounts=None) -> List[Tuple[Decimal, Optional[Discount]]]:
+                    collect_potential_discounts: Optional[defaultdict]=None) -> List[Tuple[Decimal, Optional[Discount]]]:
     """
     Applies any dynamic discounts to a cart
 
     :param event: Event the cart belongs to
     :param sales_channel: Sales channel the cart was created with
     :param positions: Tuple of the form ``(item_id, subevent_id, line_price_gross, is_addon_to, is_bundled, voucher_discount)``
+    :param collect_potential_discounts: If a `defaultdict(list)` is supplied, all discounts that could be applied to the cart
+    based on the "consumed" items, but lack matching "benefitting" items will be collected in it.
+    
     :return: A list of ``(new_gross_price, discount)`` tuples in the same order as the input
     """
     if isinstance(sales_channel, SalesChannel):