diff --git a/corporate/lib/stripe.py b/corporate/lib/stripe.py
index b9102d36fb..b38fe313f9 100644
--- a/corporate/lib/stripe.py
+++ b/corporate/lib/stripe.py
@@ -818,12 +818,10 @@ class BillingSession(ABC):
         setup_payment_by_invoice: bool = False,
     ) -> str:
         customer = self.get_customer()
-        if setup_payment_by_invoice and (
-            customer is None or customer.stripe_customer_id is None
-        ):  # nocoverage
+        if customer is None or customer.stripe_customer_id is None:  # nocoverage
             customer = self.create_stripe_customer()
 
-        assert customer is not None and customer.stripe_customer_id is not None
+        assert customer.stripe_customer_id is not None
 
         if return_to_billing_page:
             return_url = f"{self.billing_session_url}/billing/"