diff --git a/tests/test_model_serializer.py b/tests/test_model_serializer.py
index 21ec82347..fbb562792 100644
--- a/tests/test_model_serializer.py
+++ b/tests/test_model_serializer.py
@@ -89,6 +89,7 @@ class FieldOptionsModel(models.Model):
     default_field = models.IntegerField(default=0)
     descriptive_field = models.IntegerField(help_text='Some help text', verbose_name='A label')
     choices_field = models.CharField(max_length=100, choices=COLOR_CHOICES)
+    text_choices_field = models.TextField(choices=COLOR_CHOICES)
 
 
 class ChoicesModel(models.Model):
@@ -211,6 +212,7 @@ class TestRegularFieldMappings(TestCase):
                 default_field = IntegerField(required=False)
                 descriptive_field = IntegerField(help_text='Some help text', label='A label')
                 choices_field = ChoiceField(choices=(('red', 'Red'), ('blue', 'Blue'), ('green', 'Green')))
+                text_choices_field = ChoiceField(choices=(('red', 'Red'), ('blue', 'Blue'), ('green', 'Green')))
         """)
         self.assertEqual(repr(TestSerializer()), expected)
 
diff --git a/tests/test_utils.py b/tests/test_utils.py
index c343b8851..500c6a3fa 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -1,7 +1,6 @@
 from unittest import mock
 
 from django.conf.urls import url
-from django.db import models
 from django.test import TestCase, override_settings
 
 from rest_framework.decorators import action
@@ -9,7 +8,6 @@ from rest_framework.routers import SimpleRouter
 from rest_framework.serializers import ModelSerializer
 from rest_framework.utils import json
 from rest_framework.utils.breadcrumbs import get_breadcrumbs
-from rest_framework.utils.field_mapping import get_field_kwargs
 from rest_framework.utils.formatting import lazy_format
 from rest_framework.utils.urls import remove_query_param, replace_query_param
 from rest_framework.views import APIView
@@ -269,18 +267,3 @@ class LazyFormatTests(TestCase):
         assert message.format.call_count == 1
         str(formatted)
         assert message.format.call_count == 1
-
-
-class GetFieldKwargsTest(TestCase):
-    def test_get_text_field_kwargs(self):
-        # TextField without choices
-        f = models.TextField()
-        kwargs = get_field_kwargs('f', f)
-        assert 'style' in kwargs
-        assert 'choices' not in kwargs
-
-        # TextField with choices
-        f = models.TextField(choices=['ONE', 'TWO'])
-        kwargs = get_field_kwargs('f', f)
-        assert 'style' not in kwargs
-        assert 'choices' in kwargs