diff --git a/letsencrypt/client/acme_test.py b/letsencrypt/client/acme_test.py
index 19d08d9d8..f51a40d08 100644
--- a/letsencrypt/client/acme_test.py
+++ b/letsencrypt/client/acme_test.py
@@ -56,17 +56,6 @@ class PrettyTest(unittest.TestCase):
 class ChallengeRequestTest(unittest.TestCase):
     """Tests for letsencrypt.client.acme.challenge_request_test"""
 
-    def test_parameter_becomes_result(self):
-        """Test parameter is passed to result object unchanged"""
-        from letsencrypt.client.acme import challenge_request
-        self.assertEqual(
-            challenge_request("domainname"),
-            {
-                "type": "challengeRequest",
-                "identifier": "domainname",
-            }
-        )
-
     def test_supports_unicode(self):
         """Test support unicode parameter"""
         from letsencrypt.client.acme import challenge_request