diff --git a/tempest/api/identity/base.py b/tempest/api/identity/base.py
index bc1b158..e6a22b0 100644
--- a/tempest/api/identity/base.py
+++ b/tempest/api/identity/base.py
@@ -29,7 +29,7 @@
     @classmethod
     def disable_user(cls, user_name):
         user = cls.get_user_by_name(user_name)
-        cls.users_client.enable_disable_user(user['id'], enabled=False)
+        cls.users_client.update_user_enabled(user['id'], enabled=False)
 
     @classmethod
     def disable_tenant(cls, tenant_name):
diff --git a/tempest/api/identity/v2/test_ec2_credentials.py b/tempest/api/identity/v2/test_ec2_credentials.py
index 5902196..3c379f0 100644
--- a/tempest/api/identity/v2/test_ec2_credentials.py
+++ b/tempest/api/identity/v2/test_ec2_credentials.py
@@ -33,14 +33,14 @@
         cls.creds = cls.os.credentials
 
     @test.idempotent_id('b580fab9-7ae9-46e8-8138-417260cb6f9f')
-    def test_create_ec2_credentials(self):
-        """Create user ec2 credentials."""
-        resp = self.non_admin_users_client.create_user_ec2_credentials(
+    def test_create_ec2_credential(self):
+        """Create user ec2 credential."""
+        resp = self.non_admin_users_client.create_user_ec2_credential(
             self.creds.user_id,
             tenant_id=self.creds.tenant_id)["credential"]
         access = resp['access']
         self.addCleanup(
-            self.non_admin_users_client.delete_user_ec2_credentials,
+            self.non_admin_users_client.delete_user_ec2_credential,
             self.creds.user_id, access)
         self.assertNotEmpty(resp['access'])
         self.assertNotEmpty(resp['secret'])
@@ -53,21 +53,21 @@
         created_creds = []
         fetched_creds = []
         # create first ec2 credentials
-        creds1 = self.non_admin_users_client.create_user_ec2_credentials(
+        creds1 = self.non_admin_users_client.create_user_ec2_credential(
             self.creds.user_id,
             tenant_id=self.creds.tenant_id)["credential"]
         created_creds.append(creds1['access'])
         # create second ec2 credentials
-        creds2 = self.non_admin_users_client.create_user_ec2_credentials(
+        creds2 = self.non_admin_users_client.create_user_ec2_credential(
             self.creds.user_id,
             tenant_id=self.creds.tenant_id)["credential"]
         created_creds.append(creds2['access'])
         # add credentials to be cleaned up
         self.addCleanup(
-            self.non_admin_users_client.delete_user_ec2_credentials,
+            self.non_admin_users_client.delete_user_ec2_credential,
             self.creds.user_id, creds1['access'])
         self.addCleanup(
-            self.non_admin_users_client.delete_user_ec2_credentials,
+            self.non_admin_users_client.delete_user_ec2_credential,
             self.creds.user_id, creds2['access'])
         # get the list of user ec2 credentials
         resp = self.non_admin_users_client.list_user_ec2_credentials(
@@ -81,32 +81,32 @@
                          ', '.join(cred for cred in missing))
 
     @test.idempotent_id('cb284075-b613-440d-83ca-fe0b33b3c2b8')
-    def test_show_ec2_credentials(self):
-        """Get the definite user ec2 credentials."""
-        resp = self.non_admin_users_client.create_user_ec2_credentials(
+    def test_show_ec2_credential(self):
+        """Get the definite user ec2 credential."""
+        resp = self.non_admin_users_client.create_user_ec2_credential(
             self.creds.user_id,
             tenant_id=self.creds.tenant_id)["credential"]
         self.addCleanup(
-            self.non_admin_users_client.delete_user_ec2_credentials,
+            self.non_admin_users_client.delete_user_ec2_credential,
             self.creds.user_id, resp['access'])
 
-        ec2_creds = self.non_admin_users_client.show_user_ec2_credentials(
+        ec2_creds = self.non_admin_users_client.show_user_ec2_credential(
             self.creds.user_id, resp['access']
         )["credential"]
         for key in ['access', 'secret', 'user_id', 'tenant_id']:
             self.assertEqual(ec2_creds[key], resp[key])
 
     @test.idempotent_id('6aba0d4c-b76b-4e46-aa42-add79bc1551d')
-    def test_delete_ec2_credentials(self):
-        """Delete user ec2 credentials."""
-        resp = self.non_admin_users_client.create_user_ec2_credentials(
+    def test_delete_ec2_credential(self):
+        """Delete user ec2 credential."""
+        resp = self.non_admin_users_client.create_user_ec2_credential(
             self.creds.user_id,
             tenant_id=self.creds.tenant_id)["credential"]
         access = resp['access']
-        self.non_admin_users_client.delete_user_ec2_credentials(
+        self.non_admin_users_client.delete_user_ec2_credential(
             self.creds.user_id, access)
         self.assertRaises(
             lib_exc.NotFound,
-            self.non_admin_users_client.show_user_ec2_credentials,
+            self.non_admin_users_client.show_user_ec2_credential,
             self.creds.user_id,
             access)
diff --git a/tempest/services/identity/v2/json/users_client.py b/tempest/services/identity/v2/json/users_client.py
index 1048840..4ea17f9 100644
--- a/tempest/services/identity/v2/json/users_client.py
+++ b/tempest/services/identity/v2/json/users_client.py
@@ -78,7 +78,7 @@
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def enable_disable_user(self, user_id, **kwargs):
+    def update_user_enabled(self, user_id, **kwargs):
         """Enables or disables a user.
 
         Available params: see http://developer.openstack.org/
@@ -121,7 +121,7 @@
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def create_user_ec2_credentials(self, user_id, **kwargs):
+    def create_user_ec2_credential(self, user_id, **kwargs):
         # TODO(piyush): Current api-site doesn't contain this API description.
         # After fixing the api-site, we need to fix here also for putting the
         # link to api-site.
@@ -132,7 +132,7 @@
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def delete_user_ec2_credentials(self, user_id, access):
+    def delete_user_ec2_credential(self, user_id, access):
         resp, body = self.delete('/users/%s/credentials/OS-EC2/%s' %
                                  (user_id, access))
         self.expected_success(204, resp.status)
@@ -144,7 +144,7 @@
         body = json.loads(body)
         return rest_client.ResponseBody(resp, body)
 
-    def show_user_ec2_credentials(self, user_id, access):
+    def show_user_ec2_credential(self, user_id, access):
         resp, body = self.get('/users/%s/credentials/OS-EC2/%s' %
                               (user_id, access))
         self.expected_success(200, resp.status)