diff --git a/tests/test_model_serializer.py b/tests/test_model_serializer.py
index 30f22c0c2..55605693c 100644
--- a/tests/test_model_serializer.py
+++ b/tests/test_model_serializer.py
@@ -23,7 +23,7 @@ from django.db.models.signals import m2m_changed
 from django.dispatch import receiver
 from django.test import TestCase
 
-from rest_framework import serializers, fields
+from rest_framework import serializers
 from rest_framework.compat import postgres_fields
 
 from .models import NestedForeignKeySource