diff --git a/tempest/stress/actions/server_create_destroy.py b/tempest/stress/actions/server_create_destroy.py
index 4a9f0d5..34e299d 100644
--- a/tempest/stress/actions/server_create_destroy.py
+++ b/tempest/stress/actions/server_create_destroy.py
@@ -28,15 +28,13 @@
     def run(self):
         name = data_utils.rand_name("instance")
         self.logger.info("creating %s" % name)
-        resp, server = self.manager.servers_client.create_server(
+        _, server = self.manager.servers_client.create_server(
             name, self.image, self.flavor)
         server_id = server['id']
-        assert(resp.status == 202)
         self.manager.servers_client.wait_for_server_status(server_id,
                                                            'ACTIVE')
         self.logger.info("created %s" % server_id)
         self.logger.info("deleting %s" % name)
-        resp, _ = self.manager.servers_client.delete_server(server_id)
-        assert(resp.status == 204)
+        self.manager.servers_client.delete_server(server_id)
         self.manager.servers_client.wait_for_server_termination(server_id)
         self.logger.info("deleted %s" % server_id)
diff --git a/tempest/stress/actions/ssh_floating.py b/tempest/stress/actions/ssh_floating.py
index d78112c..5bc8cac 100644
--- a/tempest/stress/actions/ssh_floating.py
+++ b/tempest/stress/actions/ssh_floating.py
@@ -74,19 +74,17 @@
         self.logger.info("creating %s" % name)
         vm_args = self.vm_extra_args.copy()
         vm_args['security_groups'] = [self.sec_grp]
-        resp, server = servers_client.create_server(name, self.image,
-                                                    self.flavor,
-                                                    **vm_args)
+        _, server = servers_client.create_server(name, self.image,
+                                                 self.flavor,
+                                                 **vm_args)
         self.server_id = server['id']
-        assert(resp.status == 202)
         if self.wait_after_vm_create:
             self.manager.servers_client.wait_for_server_status(self.server_id,
                                                                'ACTIVE')
 
     def _destroy_vm(self):
         self.logger.info("deleting %s" % self.server_id)
-        resp, _ = self.manager.servers_client.delete_server(self.server_id)
-        assert(resp.status == 204)  # It cannot be 204 if I had to wait..
+        self.manager.servers_client.delete_server(self.server_id)
         self.manager.servers_client.wait_for_server_termination(self.server_id)
         self.logger.info("deleted %s" % self.server_id)
 
diff --git a/tempest/stress/actions/volume_attach_delete.py b/tempest/stress/actions/volume_attach_delete.py
index e0238d3..9c4070f 100644
--- a/tempest/stress/actions/volume_attach_delete.py
+++ b/tempest/stress/actions/volume_attach_delete.py
@@ -28,10 +28,9 @@
         # Step 1: create volume
         name = data_utils.rand_name("volume")
         self.logger.info("creating volume: %s" % name)
-        resp, volume = self.manager.volumes_client.create_volume(
+        _, volume = self.manager.volumes_client.create_volume(
             size=1,
             display_name=name)
-        assert(resp.status == 200)
         self.manager.volumes_client.wait_for_volume_status(volume['id'],
                                                            'available')
         self.logger.info("created volume: %s" % volume['id'])
@@ -39,20 +38,18 @@
         # Step 2: create vm instance
         vm_name = data_utils.rand_name("instance")
         self.logger.info("creating vm: %s" % vm_name)
-        resp, server = self.manager.servers_client.create_server(
+        _, server = self.manager.servers_client.create_server(
             vm_name, self.image, self.flavor)
         server_id = server['id']
-        assert(resp.status == 202)
         self.manager.servers_client.wait_for_server_status(server_id, 'ACTIVE')
         self.logger.info("created vm %s" % server_id)
 
         # Step 3: attach volume to vm
         self.logger.info("attach volume (%s) to vm %s" %
                          (volume['id'], server_id))
-        resp, body = self.manager.servers_client.attach_volume(server_id,
-                                                               volume['id'],
-                                                               '/dev/vdc')
-        assert(resp.status == 200)
+        self.manager.servers_client.attach_volume(server_id,
+                                                  volume['id'],
+                                                  '/dev/vdc')
         self.manager.volumes_client.wait_for_volume_status(volume['id'],
                                                            'in-use')
         self.logger.info("volume (%s) attached to vm %s" %
@@ -60,14 +57,12 @@
 
         # Step 4: delete vm
         self.logger.info("deleting vm: %s" % vm_name)
-        resp, _ = self.manager.servers_client.delete_server(server_id)
-        assert(resp.status == 204)
+        self.manager.servers_client.delete_server(server_id)
         self.manager.servers_client.wait_for_server_termination(server_id)
         self.logger.info("deleted vm: %s" % server_id)
 
         # Step 5: delete volume
         self.logger.info("deleting volume: %s" % volume['id'])
-        resp, _ = self.manager.volumes_client.delete_volume(volume['id'])
-        assert(resp.status == 202)
+        self.manager.volumes_client.delete_volume(volume['id'])
         self.manager.volumes_client.wait_for_resource_deletion(volume['id'])
         self.logger.info("deleted volume: %s" % volume['id'])
diff --git a/tempest/stress/actions/volume_attach_verify.py b/tempest/stress/actions/volume_attach_verify.py
index 0d3cb23..a13d890 100644
--- a/tempest/stress/actions/volume_attach_verify.py
+++ b/tempest/stress/actions/volume_attach_verify.py
@@ -24,12 +24,10 @@
 
     def _create_keypair(self):
         keyname = data_utils.rand_name("key")
-        resp, self.key = self.manager.keypairs_client.create_keypair(keyname)
-        assert(resp.status == 200)
+        _, self.key = self.manager.keypairs_client.create_keypair(keyname)
 
     def _delete_keypair(self):
-        resp, _ = self.manager.keypairs_client.delete_keypair(self.key['name'])
-        assert(resp.status == 202)
+        self.manager.keypairs_client.delete_keypair(self.key['name'])
 
     def _create_vm(self):
         self.name = name = data_utils.rand_name("instance")
@@ -38,18 +36,16 @@
         vm_args = self.vm_extra_args.copy()
         vm_args['security_groups'] = [self.sec_grp]
         vm_args['key_name'] = self.key['name']
-        resp, server = servers_client.create_server(name, self.image,
-                                                    self.flavor,
-                                                    **vm_args)
+        _, server = servers_client.create_server(name, self.image,
+                                                 self.flavor,
+                                                 **vm_args)
         self.server_id = server['id']
-        assert(resp.status == 202)
         self.manager.servers_client.wait_for_server_status(self.server_id,
                                                            'ACTIVE')
 
     def _destroy_vm(self):
         self.logger.info("deleting server: %s" % self.server_id)
-        resp, _ = self.manager.servers_client.delete_server(self.server_id)
-        assert(resp.status == 204)  # It cannot be 204 if I had to wait..
+        self.manager.servers_client.delete_server(self.server_id)
         self.manager.servers_client.wait_for_server_termination(self.server_id)
         self.logger.info("deleted server: %s" % self.server_id)
 
@@ -81,10 +77,9 @@
         name = data_utils.rand_name("volume")
         self.logger.info("creating volume: %s" % name)
         volumes_client = self.manager.volumes_client
-        resp, self.volume = volumes_client.create_volume(
+        _, self.volume = volumes_client.create_volume(
             size=1,
             display_name=name)
-        assert(resp.status == 200)
         volumes_client.wait_for_volume_status(self.volume['id'],
                                               'available')
         self.logger.info("created volume: %s" % self.volume['id'])
@@ -92,8 +87,7 @@
     def _delete_volume(self):
         self.logger.info("deleting volume: %s" % self.volume['id'])
         volumes_client = self.manager.volumes_client
-        resp, _ = volumes_client.delete_volume(self.volume['id'])
-        assert(resp.status == 202)
+        volumes_client.delete_volume(self.volume['id'])
         volumes_client.wait_for_resource_deletion(self.volume['id'])
         self.logger.info("deleted volume: %s" % self.volume['id'])
 
@@ -193,10 +187,9 @@
         servers_client = self.manager.servers_client
         self.logger.info("attach volume (%s) to vm %s" %
                          (self.volume['id'], self.server_id))
-        resp, body = servers_client.attach_volume(self.server_id,
-                                                  self.volume['id'],
-                                                  self.part_name)
-        assert(resp.status == 200)
+        servers_client.attach_volume(self.server_id,
+                                     self.volume['id'],
+                                     self.part_name)
         self.manager.volumes_client.wait_for_volume_status(self.volume['id'],
                                                            'in-use')
         if self.enable_ssh_verify:
@@ -204,9 +197,8 @@
                              % self.server_id)
             self.part_wait(self.attach_match_count)
 
-        resp, body = servers_client.detach_volume(self.server_id,
-                                                  self.volume['id'])
-        assert(resp.status == 202)
+        servers_client.detach_volume(self.server_id,
+                                     self.volume['id'])
         self.manager.volumes_client.wait_for_volume_status(self.volume['id'],
                                                            'available')
         if self.enable_ssh_verify:
diff --git a/tempest/stress/actions/volume_create_delete.py b/tempest/stress/actions/volume_create_delete.py
index 4e75be0..b1c5bb7 100644
--- a/tempest/stress/actions/volume_create_delete.py
+++ b/tempest/stress/actions/volume_create_delete.py
@@ -20,14 +20,12 @@
         name = data_utils.rand_name("volume")
         self.logger.info("creating %s" % name)
         volumes_client = self.manager.volumes_client
-        resp, volume = volumes_client.create_volume(size=1,
-                                                    display_name=name)
-        assert(resp.status == 200)
+        _, volume = volumes_client.create_volume(size=1,
+                                                 display_name=name)
         vol_id = volume['id']
         volumes_client.wait_for_volume_status(vol_id, 'available')
         self.logger.info("created %s" % volume['id'])
         self.logger.info("deleting %s" % name)
-        resp, _ = volumes_client.delete_volume(vol_id)
-        assert(resp.status == 202)
+        volumes_client.delete_volume(vol_id)
         volumes_client.wait_for_resource_deletion(vol_id)
         self.logger.info("deleted %s" % vol_id)