diff --git a/tests/forms_tests/field_tests/test_datetimefield.py b/tests/forms_tests/field_tests/test_datetimefield.py
index f0e6ada3c5..5d118cfdd2 100644
--- a/tests/forms_tests/field_tests/test_datetimefield.py
+++ b/tests/forms_tests/field_tests/test_datetimefield.py
@@ -104,7 +104,6 @@ class DateTimeFieldTest(SimpleTestCase):
                 ),
             )),
         ]
-        f = DateTimeField()
         for input_format, values in tests:
             f = DateTimeField(input_formats=[input_format])
             for value, expected_datetime in values: