diff --git a/rest_framework/tests/serializer.py b/rest_framework/tests/serializer.py
index 73d6a15b3..8b487b54c 100644
--- a/rest_framework/tests/serializer.py
+++ b/rest_framework/tests/serializer.py
@@ -1262,7 +1262,6 @@ class AttributeMappingOnAutogeneratedFieldsTests(TestCase):
                 model = AMOAFModel
 
         self.serializer_class = AMOAFSerializer
-        self.objects = AMOAFModel.objects
         self.fields_attributes = {
             'char_field': [
                 ('max_length', 1024),