diff --git a/uncloud/uncloud_pay/management/commands/generate-bills.py b/uncloud/uncloud_pay/management/commands/generate-bills.py
index a7dbe78..5bd4519 100644
--- a/uncloud/uncloud_pay/management/commands/generate-bills.py
+++ b/uncloud/uncloud_pay/management/commands/generate-bills.py
@@ -9,8 +9,6 @@ from datetime import timedelta, date
 from django.utils import timezone
 from uncloud_pay.models import Bill
 
-BILL_PAYMENT_DELAY=timedelta(days=10)
-
 logger = logging.getLogger(__name__)
 
 class Command(BaseCommand):
@@ -31,8 +29,7 @@ class Command(BaseCommand):
             Bill.generate_for(
                     year=now.year,
                     month=now.month,
-                    user=user,
-                    allowed_delay=BILL_PAYMENT_DELAY)
+                    user=user)
 
         # We're done for this round :-)
         print("=> Done.")