diff --git a/tests/conftest.py b/tests/conftest.py
index c04300b..f01f7e7 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,6 @@
 import pytest
 from aiohttp import web
-from marshmallow import Schema, ValidationError, fields
+from marshmallow import Schema, fields
 
 from aiohttp_apispec import (
     docs,