diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index f71ea46..44788f2 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -374,8 +374,10 @@
                                                          **ruleset)
             self.set_resource(sg_rule.id, sg_rule)
 
-    def create_server(self, client, name=None, image=None, flavor=None,
+    def create_server(self, client=None, name=None, image=None, flavor=None,
                       create_kwargs={}):
+        if client is None:
+            client = self.compute_client
         if name is None:
             name = rand_name('scenario-server-')
         if image is None:
@@ -481,7 +483,9 @@
             cls.config.identity.password,
             cls.config.identity.tenant_name).tenant_id
 
-    def _create_security_group(self, client, namestart='secgroup-smoke-'):
+    def _create_security_group(self, client=None, namestart='secgroup-smoke-'):
+        if client is None:
+            client = self.compute_client
         # Create security group
         sg_name = rand_name(namestart)
         sg_desc = sg_name + " description"
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index ce4d1bd..752ff6f 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -87,8 +87,7 @@
 
     def nova_boot(self):
         create_kwargs = {'key_name': self.keypair.name}
-        self.server = self.create_server(self.compute_client,
-                                         image=self.image,
+        self.server = self.create_server(image=self.image,
                                          create_kwargs=create_kwargs)
 
     def nova_list(self):
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 2aa5de3..7f7ba91 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -168,8 +168,7 @@
             name=rand_name('keypair-smoke-'))
 
     def _create_security_groups(self):
-        self.security_groups[self.tenant_id] = self._create_security_group(
-            self.compute_client)
+        self.security_groups[self.tenant_id] = self._create_security_group()
 
     def _create_networks(self):
         network = self._create_network(self.tenant_id)
@@ -214,8 +213,7 @@
             'key_name': keypair_name,
             'security_groups': security_groups,
         }
-        server = self.create_server(self.compute_client, name=name,
-                                    create_kwargs=create_kwargs)
+        server = self.create_server(name=name, create_kwargs=create_kwargs)
         return server
 
     def _create_servers(self):
diff --git a/tempest/scenario/test_server_advanced_ops.py b/tempest/scenario/test_server_advanced_ops.py
index 26bc95e..853b1ba 100644
--- a/tempest/scenario/test_server_advanced_ops.py
+++ b/tempest/scenario/test_server_advanced_ops.py
@@ -48,7 +48,7 @@
     @services('compute')
     def test_resize_server_confirm(self):
         # We create an instance for use in this test
-        instance = self.create_server(self.compute_client)
+        instance = self.create_server()
         instance_id = instance.id
         resize_flavor = self.config.compute.flavor_ref_alt
         LOG.debug("Resizing instance %s from flavor %s to flavor %s",
@@ -66,7 +66,7 @@
     @services('compute')
     def test_server_sequence_suspend_resume(self):
         # We create an instance for use in this test
-        instance = self.create_server(self.compute_client)
+        instance = self.create_server()
         instance_id = instance.id
         LOG.debug("Suspending instance %s. Current status: %s",
                   instance_id, instance.status)
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index 03e6e41..c32d49d 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -56,8 +56,7 @@
         create_kwargs = {
             'key_name': self.keypair.id
         }
-        instance = self.create_server(self.compute_client,
-                                      create_kwargs=create_kwargs)
+        instance = self.create_server(create_kwargs=create_kwargs)
         self.set_resource('instance', instance)
 
     def pause_server(self):
diff --git a/tempest/scenario/test_snapshot_pattern.py b/tempest/scenario/test_snapshot_pattern.py
index 8c2cc76..ba347e0 100644
--- a/tempest/scenario/test_snapshot_pattern.py
+++ b/tempest/scenario/test_snapshot_pattern.py
@@ -34,8 +34,7 @@
         create_kwargs = {
             'key_name': self.keypair.name
         }
-        return self.create_server(self.compute_client, image=image_id,
-                                  create_kwargs=create_kwargs)
+        return self.create_server(image=image_id, create_kwargs=create_kwargs)
 
     def _add_keypair(self):
         self.keypair = self.create_keypair()
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index ab464e3..4f49d65 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -58,8 +58,7 @@
         create_kwargs = {
             'key_name': self.keypair.name
         }
-        return self.create_server(self.compute_client, image=image_id,
-                                  create_kwargs=create_kwargs)
+        return self.create_server(image=image_id, create_kwargs=create_kwargs)
 
     def _add_keypair(self):
         self.keypair = self.create_keypair()
diff --git a/tempest/scenario/test_volume_boot_pattern.py b/tempest/scenario/test_volume_boot_pattern.py
index 3572166..d12cd56 100644
--- a/tempest/scenario/test_volume_boot_pattern.py
+++ b/tempest/scenario/test_volume_boot_pattern.py
@@ -49,8 +49,7 @@
             'block_device_mapping': bd_map,
             'key_name': keypair.name
         }
-        return self.create_server(self.compute_client,
-                                  create_kwargs=create_kwargs)
+        return self.create_server(create_kwargs=create_kwargs)
 
     def _create_snapshot_from_volume(self, vol_id):
         volume_snapshots = self.volume_client.volume_snapshots