diff --git a/tests/conftest.py b/tests/conftest.py
index 8e3d8b31..5dd092b7 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -66,7 +66,6 @@ def auth() -> AuthenticationData:
         audience="DEVELOPMENT AUDIENCE",
         issued_at=datetime.now() - timedelta(seconds=10),
         expires_at=datetime.now() + timedelta(seconds=10),
-        grant_type="DEVELOPMENT GRANT TYPE",
     )