diff --git a/wagtail/wagtailforms/tests.py b/wagtail/wagtailforms/tests.py
index 6b064fd35..25571bcc1 100644
--- a/wagtail/wagtailforms/tests.py
+++ b/wagtail/wagtailforms/tests.py
@@ -79,29 +79,6 @@ class TestFormSubmission(TestCase):
         self.assertIn("baz", submission[0].form_data)
 
 
-class TestPageModes(TestCase):
-    fixtures = ['test.json']
-
-    def setUp(self):
-        self.form_page = Page.objects.get(url_path='/home/contact-us/').specific
-
-    def test_form(self):
-        response = self.form_page.serve_preview(self.form_page.dummy_request(), 'form')
-
-        # Check response
-        self.assertContains(response, """<label for="id_your-email">Your email</label>""")
-        self.assertTemplateUsed(response, 'tests/form_page.html')
-        self.assertTemplateNotUsed(response, 'tests/form_page_landing.html')
-
-    def test_landing(self):
-        response = self.form_page.serve_preview(self.form_page.dummy_request(), 'landing')
-
-        # Check response
-        self.assertContains(response, "Thank you for your feedback.")
-        self.assertTemplateNotUsed(response, 'tests/form_page.html')
-        self.assertTemplateUsed(response, 'tests/form_page_landing.html')
-
-
 class TestFormBuilder(TestCase):
     fixtures = ['test.json']