diff --git a/backend/tests/conftest.py b/backend/tests/conftest.py
index 16a2a01f..50482cfc 100644
--- a/backend/tests/conftest.py
+++ b/backend/tests/conftest.py
@@ -46,6 +46,12 @@ def _load_env_from_base_or_parent() -> None:
 
 
 _load_env_from_base_or_parent()
+from tests.types import BookingCreateData  # noqa: E402
+from tests.types import BookingUpdateData  # noqa: E402
+from tests.types import RoomData  # noqa: E402
+from tests.types import RoomUpdateData  # noqa: E402
+from tests.types import UserData  # noqa: E402
+
 from backend.main import app  # noqa: E402
 from backend.models import Booking  # noqa: E402
 from backend.models import BookingList  # noqa: E402
@@ -54,11 +60,6 @@ from backend.models import RoomList  # noqa: E402
 from backend.models import User  # noqa: E402
 from backend.models import UserList  # noqa: E402
 from backend.schemas.bookings import BookingCreate  # noqa: E402
-from tests.types import BookingCreateData  # noqa: E402
-from tests.types import BookingUpdateData  # noqa: E402
-from tests.types import RoomData  # noqa: E402
-from tests.types import RoomUpdateData  # noqa: E402
-from tests.types import UserData  # noqa: E402
 
 
 # Modern handler type for exception handlers
diff --git a/backend/tests/routers/test_bookings.py b/backend/tests/routers/test_bookings.py
index 84dad424..f4f554f4 100644
--- a/backend/tests/routers/test_bookings.py
+++ b/backend/tests/routers/test_bookings.py
@@ -9,6 +9,9 @@ from httpx import AsyncClient
 from sqlalchemy.exc import NoResultFound
 from sqlalchemy.exc import SQLAlchemyError
 from sqlalchemy.ext.asyncio import AsyncSession
+from tests.types import BookingCreateData
+from tests.types import BookingData
+from tests.types import BookingUpdateData
 
 from backend.dependencies.bookings import delete_booking_service
 from backend.dependencies.bookings import get_booking_service
@@ -23,9 +26,6 @@ from backend.models import BookingList
 from backend.models import Room
 from backend.routers.rooms import publish_room_availability_event
 from backend.services.bookings import update_booking
-from tests.types import BookingCreateData
-from tests.types import BookingData
-from tests.types import BookingUpdateData
 
 
 # Useful constants for booking router tests
diff --git a/backend/tests/routers/test_rooms.py b/backend/tests/routers/test_rooms.py
index 01134a74..c65cc50b 100644
--- a/backend/tests/routers/test_rooms.py
+++ b/backend/tests/routers/test_rooms.py
@@ -10,6 +10,8 @@ from httpx import AsyncClient
 from httpx import Response
 from sqlalchemy.exc import NoResultFound
 from sqlalchemy.exc import SQLAlchemyError
+from tests.types import RoomData
+from tests.types import RoomUpdateData
 
 from backend.dependencies.rooms import delete_room_service
 from backend.dependencies.rooms import get_room_service
@@ -21,8 +23,6 @@ from backend.models import Room
 from backend.models import RoomList
 from backend.routers.rooms import publish_room_availability_event
 from backend.routers.rooms import room_availability_subscribers
-from tests.types import RoomData
-from tests.types import RoomUpdateData
 
 
 # Useful constants for rooms router tests
diff --git a/backend/tests/routers/test_users.py b/backend/tests/routers/test_users.py
index 1b6a9520..cb4d1f31 100644
--- a/backend/tests/routers/test_users.py
+++ b/backend/tests/routers/test_users.py
@@ -6,11 +6,11 @@ import pytest
 import sqlalchemy.exc
 from httpx import AsyncClient
 from sqlalchemy.exc import SQLAlchemyError
+from tests.types import UserData
 
 from backend.dependencies.users import get_users_service
 from backend.main import app
 from backend.models import UserList
-from tests.types import UserData
 
 
 # Useful constants for users router tests
diff --git a/backend/tests/services/test_bookings.py b/backend/tests/services/test_bookings.py
index bff9de70..767ca42f 100644
--- a/backend/tests/services/test_bookings.py
+++ b/backend/tests/services/test_bookings.py
@@ -29,6 +29,8 @@ from sqlalchemy import update
 from sqlalchemy.exc import NoResultFound
 from sqlalchemy.exc import SQLAlchemyError
 from sqlalchemy.ext.asyncio import AsyncSession
+from tests.types import BookingData
+from tests.types import BookingUpdateData
 
 from backend.models import Booking
 from backend.models import BookingList
@@ -46,8 +48,6 @@ from backend.services.bookings import validate_new_booking_room_exists
 from backend.services.bookings import validate_new_booking_time_constraints
 from backend.services.bookings import validate_no_overlap
 from backend.services.bookings import validate_time_constraints
-from tests.types import BookingData
-from tests.types import BookingUpdateData
 
 
 # Error message constants