diff --git a/tempest/api/compute/admin/test_keypairs_v210.py b/tempest/api/compute/admin/test_keypairs_v210.py
index e24c7c1..24ea8a1 100644
--- a/tempest/api/compute/admin/test_keypairs_v210.py
+++ b/tempest/api/compute/admin/test_keypairs_v210.py
@@ -34,7 +34,8 @@
             k_name = data_utils.rand_name('keypair')
             keypair = self.create_keypair(k_name,
                                           keypair_type='ssh',
-                                          user_id=user_id)
+                                          user_id=user_id,
+                                          client=self.client)
             self.assertEqual(k_name, keypair['name'],
                              "The created keypair name is not equal "
                              "to the requested name!")
@@ -56,7 +57,8 @@
         self.assertEqual(user_id, keypair_detail['user_id'],
                          "The fetched keypair is not for requested user!")
         # Create a admin keypair
-        admin_keypair = self.create_keypair(keypair_type='ssh')
+        admin_keypair = self.create_keypair(keypair_type='ssh',
+                                            client=self.client)
         admin_keypair.pop('private_key', None)
         admin_keypair.pop('user_id')
 
diff --git a/tempest/api/compute/keypairs/base.py b/tempest/api/compute/keypairs/base.py
index 0051810..44da88c 100644
--- a/tempest/api/compute/keypairs/base.py
+++ b/tempest/api/compute/keypairs/base.py
@@ -20,17 +20,16 @@
 class BaseKeypairTest(base.BaseV2ComputeTest):
     """Base test case class for all keypair API tests."""
 
-    @classmethod
-    def setup_clients(cls):
-        super(BaseKeypairTest, cls).setup_clients()
-        cls.client = cls.keypairs_client
-
-    def _delete_keypair(self, keypair_name, **params):
-        self.client.delete_keypair(keypair_name, **params)
+    def _delete_keypair(self, keypair_name, client=None, **params):
+        if not client:
+            client = self.keypairs_client
+        client.delete_keypair(keypair_name, **params)
 
     def create_keypair(self, keypair_name=None,
                        pub_key=None, keypair_type=None,
-                       user_id=None):
+                       user_id=None, client=None):
+        if not client:
+            client = self.keypairs_client
         if keypair_name is None:
             keypair_name = data_utils.rand_name(
                 self.__class__.__name__ + '-keypair')
@@ -43,6 +42,7 @@
         if user_id:
             kwargs.update({'user_id': user_id})
             delete_params['user_id'] = user_id
-        body = self.client.create_keypair(**kwargs)['keypair']
-        self.addCleanup(self._delete_keypair, keypair_name, **delete_params)
+        body = client.create_keypair(**kwargs)['keypair']
+        self.addCleanup(self._delete_keypair, keypair_name,
+                        client, **delete_params)
         return body
diff --git a/tempest/api/compute/keypairs/test_keypairs.py b/tempest/api/compute/keypairs/test_keypairs.py
index 3a54d51..66abb21 100644
--- a/tempest/api/compute/keypairs/test_keypairs.py
+++ b/tempest/api/compute/keypairs/test_keypairs.py
@@ -35,7 +35,7 @@
             key_list.append(keypair)
         # Fetch all keypairs and verify the list
         # has all created keypairs
-        fetched_list = self.client.list_keypairs()['keypairs']
+        fetched_list = self.keypairs_client.list_keypairs()['keypairs']
         new_list = list()
         for keypair in fetched_list:
             new_list.append(keypair['keypair'])
@@ -61,7 +61,7 @@
         # Keypair should be created, Got details by name and deleted
         k_name = data_utils.rand_name('keypair')
         self.create_keypair(k_name)
-        keypair_detail = self.client.show_keypair(k_name)['keypair']
+        keypair_detail = self.keypairs_client.show_keypair(k_name)['keypair']
         self.assertEqual(keypair_detail['name'], k_name,
                          "The created keypair name is not equal "
                          "to requested name")
diff --git a/tempest/api/compute/keypairs/test_keypairs_negative.py b/tempest/api/compute/keypairs/test_keypairs_negative.py
index 205076c..f9050a8 100644
--- a/tempest/api/compute/keypairs/test_keypairs_negative.py
+++ b/tempest/api/compute/keypairs/test_keypairs_negative.py
@@ -34,7 +34,8 @@
     def test_keypair_delete_nonexistent_key(self):
         # Non-existent key deletion should throw a proper error
         k_name = data_utils.rand_name("keypair-non-existent")
-        self.assertRaises(lib_exc.NotFound, self.client.delete_keypair,
+        self.assertRaises(lib_exc.NotFound,
+                          self.keypairs_client.delete_keypair,
                           k_name)
 
     @decorators.attr(type=['negative'])
@@ -58,11 +59,11 @@
     def test_create_keypair_with_duplicate_name(self):
         # Keypairs with duplicate names should not be created
         k_name = data_utils.rand_name('keypair')
-        self.client.create_keypair(name=k_name)
+        self.keypairs_client.create_keypair(name=k_name)
         # Now try the same keyname to create another key
         self.assertRaises(lib_exc.Conflict, self.create_keypair,
                           k_name)
-        self.client.delete_keypair(k_name)
+        self.keypairs_client.delete_keypair(k_name)
 
     @decorators.attr(type=['negative'])
     @decorators.idempotent_id('1398abe1-4a84-45fb-9294-89f514daff00')
diff --git a/tempest/api/compute/keypairs/test_keypairs_v22.py b/tempest/api/compute/keypairs/test_keypairs_v22.py
index f39bb12..1aff262 100644
--- a/tempest/api/compute/keypairs/test_keypairs_v22.py
+++ b/tempest/api/compute/keypairs/test_keypairs_v22.py
@@ -32,9 +32,9 @@
         # Verify whether 'type' is present in keypair create response of
         # version 2.2 and it is with default value 'ssh'.
         self._check_keypair_type(keypair, keypair_type)
-        keypair_detail = self.client.show_keypair(k_name)['keypair']
+        keypair_detail = self.keypairs_client.show_keypair(k_name)['keypair']
         self._check_keypair_type(keypair_detail, keypair_type)
-        fetched_list = self.client.list_keypairs()['keypairs']
+        fetched_list = self.keypairs_client.list_keypairs()['keypairs']
         for keypair in fetched_list:
             # Verify whether 'type' is present in keypair list response of
             # version 2.2 and it is with default value 'ssh'.
diff --git a/tempest/api/compute/servers/test_server_password.py b/tempest/api/compute/servers/test_server_password.py
index e7591a5..e6a668a 100644
--- a/tempest/api/compute/servers/test_server_password.py
+++ b/tempest/api/compute/servers/test_server_password.py
@@ -21,19 +21,14 @@
 class ServerPasswordTestJSON(base.BaseV2ComputeTest):
 
     @classmethod
-    def setup_clients(cls):
-        super(ServerPasswordTestJSON, cls).setup_clients()
-        cls.client = cls.servers_client
-
-    @classmethod
     def resource_setup(cls):
         super(ServerPasswordTestJSON, cls).resource_setup()
         cls.server = cls.create_test_server(wait_until="ACTIVE")
 
     @decorators.idempotent_id('f83b582f-62a8-4f22-85b0-0dee50ff783a')
     def test_get_server_password(self):
-        self.client.show_password(self.server['id'])
+        self.servers_client.show_password(self.server['id'])
 
     @decorators.idempotent_id('f8229e8b-b625-4493-800a-bde86ac611ea')
     def test_delete_server_password(self):
-        self.client.delete_password(self.server['id'])
+        self.servers_client.delete_password(self.server['id'])
diff --git a/tempest/api/compute/servers/test_virtual_interfaces_negative.py b/tempest/api/compute/servers/test_virtual_interfaces_negative.py
index 20923a8..c4e2400 100644
--- a/tempest/api/compute/servers/test_virtual_interfaces_negative.py
+++ b/tempest/api/compute/servers/test_virtual_interfaces_negative.py
@@ -28,11 +28,6 @@
         cls.set_network_resources()
         super(VirtualInterfacesNegativeTestJSON, cls).setup_credentials()
 
-    @classmethod
-    def setup_clients(cls):
-        super(VirtualInterfacesNegativeTestJSON, cls).setup_clients()
-        cls.client = cls.servers_client
-
     @decorators.attr(type=['negative'])
     @decorators.idempotent_id('64ebd03c-1089-4306-93fa-60f5eb5c803c')
     @utils.services('network')
@@ -41,5 +36,5 @@
         # for an invalid server_id
         invalid_server_id = data_utils.rand_uuid()
         self.assertRaises(lib_exc.NotFound,
-                          self.client.list_virtual_interfaces,
+                          self.servers_client.list_virtual_interfaces,
                           invalid_server_id)