diff --git a/tempest/api/compute/admin/test_create_server.py b/tempest/api/compute/admin/test_create_server.py
index 3449aba..66bedd9 100644
--- a/tempest/api/compute/admin/test_create_server.py
+++ b/tempest/api/compute/admin/test_create_server.py
@@ -25,8 +25,6 @@
 
 
 class ServersWithSpecificFlavorTestJSON(base.BaseV2ComputeAdminTest):
-    disk_config = 'AUTO'
-
     @classmethod
     def setup_credentials(cls):
         cls.prepare_instance_network()
diff --git a/tempest/api/compute/servers/test_server_actions.py b/tempest/api/compute/servers/test_server_actions.py
index f41c3fb..d1d29af 100644
--- a/tempest/api/compute/servers/test_server_actions.py
+++ b/tempest/api/compute/servers/test_server_actions.py
@@ -33,8 +33,6 @@
 
 
 class ServerActionsTestJSON(base.BaseV2ComputeTest):
-    run_ssh = CONF.validation.run_validation
-
     def setUp(self):
         # NOTE(afazekas): Normally we use the same server with all test cases,
         # but if it has an issue, we build a new one
diff --git a/tempest/api/identity/admin/v3/test_domains_negative.py b/tempest/api/identity/admin/v3/test_domains_negative.py
index 1a0b851..56f7d32 100644
--- a/tempest/api/identity/admin/v3/test_domains_negative.py
+++ b/tempest/api/identity/admin/v3/test_domains_negative.py
@@ -20,7 +20,6 @@
 
 
 class DomainsNegativeTestJSON(base.BaseIdentityV3AdminTest):
-    _interface = 'json'
 
     @decorators.attr(type=['negative', 'gate'])
     @decorators.idempotent_id('1f3fbff5-4e44-400d-9ca1-d953f05f609b')