diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 6014c8c..16c8118 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -730,36 +730,6 @@
                         network['id'])
         return network
 
-    def _list_networks(self, *args, **kwargs):
-        """List networks using admin creds """
-        networks_list = self.admin_manager.networks_client.list_networks(
-            *args, **kwargs)
-        return networks_list['networks']
-
-    def _list_subnets(self, *args, **kwargs):
-        """List subnets using admin creds """
-        subnets_list = self.admin_manager.subnets_client.list_subnets(
-            *args, **kwargs)
-        return subnets_list['subnets']
-
-    def _list_routers(self, *args, **kwargs):
-        """List routers using admin creds """
-        routers_list = self.admin_manager.routers_client.list_routers(
-            *args, **kwargs)
-        return routers_list['routers']
-
-    def _list_ports(self, *args, **kwargs):
-        """List ports using admin creds """
-        ports_list = self.admin_manager.ports_client.list_ports(
-            *args, **kwargs)
-        return ports_list['ports']
-
-    def _list_agents(self, *args, **kwargs):
-        """List agents using admin creds """
-        agents_list = self.admin_manager.network_agents_client.list_agents(
-            *args, **kwargs)
-        return agents_list['agents']
-
     def _create_subnet(self, network, subnets_client=None,
                        routers_client=None, namestart='subnet-smoke',
                        **kwargs):
@@ -778,7 +748,8 @@
             :returns: True if subnet with cidr already exist in tenant
                   False else
             """
-            cidr_in_use = self._list_subnets(tenant_id=tenant_id, cidr=cidr)
+            cidr_in_use = self.admin_manager.subnets_client.list_subnets(
+                tenant_id=tenant_id, cidr=cidr)['subnets']
             return len(cidr_in_use) != 0
 
         ip_version = kwargs.pop('ip_version', 4)
@@ -826,7 +797,8 @@
         return subnet
 
     def _get_server_port_id_and_ip4(self, server, ip_addr=None):
-        ports = self._list_ports(device_id=server['id'], fixed_ip=ip_addr)
+        ports = self.admin_manager.ports_client.list_ports(
+            device_id=server['id'], fixed_ip=ip_addr)['ports']
         # A port can have more than one IP address in some cases.
         # If the network is dual-stack (IPv4 + IPv6), this port is associated
         # with 2 subnets
@@ -855,7 +827,8 @@
         return port_map[0]
 
     def _get_network_by_name(self, network_name):
-        net = self._list_networks(name=network_name)
+        net = self.admin_manager.networks_client.list_networks(
+            name=network_name)['networks']
         self.assertNotEqual(len(net), 0,
                             "Unable to get network by name: %s" % network_name)
         return net[0]
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 4dae564..d8c8d4a 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -127,23 +127,23 @@
         via checking the result of list_[networks,routers,subnets]
         """
 
-        seen_nets = self._list_networks()
-        seen_names = [n['name'] for n in seen_nets]
-        seen_ids = [n['id'] for n in seen_nets]
+        seen_nets = self.admin_manager.networks_client.list_networks()
+        seen_names = [n['name'] for n in seen_nets['networks']]
+        seen_ids = [n['id'] for n in seen_nets['networks']]
         self.assertIn(self.network['name'], seen_names)
         self.assertIn(self.network['id'], seen_ids)
 
         if self.subnet:
-            seen_subnets = self._list_subnets()
-            seen_net_ids = [n['network_id'] for n in seen_subnets]
-            seen_subnet_ids = [n['id'] for n in seen_subnets]
+            seen_subnets = self.admin_manager.subnets_client.list_subnets()
+            seen_net_ids = [n['network_id'] for n in seen_subnets['subnets']]
+            seen_subnet_ids = [n['id'] for n in seen_subnets['subnets']]
             self.assertIn(self.network['id'], seen_net_ids)
             self.assertIn(self.subnet['id'], seen_subnet_ids)
 
         if self.router:
-            seen_routers = self._list_routers()
-            seen_router_ids = [n['id'] for n in seen_routers]
-            seen_router_names = [n['name'] for n in seen_routers]
+            seen_routers = self.admin_manager.routers_client.list_routers()
+            seen_router_ids = [n['id'] for n in seen_routers['routers']]
+            seen_router_names = [n['name'] for n in seen_routers['routers']]
             self.assertIn(self.router['name'],
                           seen_router_names)
             self.assertIn(self.router['id'],
@@ -240,7 +240,8 @@
             ip_address, private_key=private_key)
         old_nic_list = self._get_server_nics(ssh_client)
         # get a port from a list of one item
-        port_list = self._list_ports(device_id=server['id'])
+        port_list = self.admin_manager.ports_client.list_ports(
+            device_id=server['id'])['ports']
         self.assertEqual(1, len(port_list))
         old_port = port_list[0]
         interface = self.interface_client.create_interface(
@@ -253,9 +254,12 @@
                         server['id'], interface['port_id'])
 
         def check_ports():
-            self.new_port_list = [port for port in
-                                  self._list_ports(device_id=server['id'])
-                                  if port['id'] != old_port['id']]
+            self.new_port_list = [
+                port for port in
+                self.admin_manager.ports_client.list_ports(
+                    device_id=server['id'])['ports']
+                if port['id'] != old_port['id']
+            ]
             return len(self.new_port_list) == 1
 
         if not test_utils.call_until_true(
@@ -301,10 +305,13 @@
         floating_ip, server = self.floating_ip_tuple
         # get internal ports' ips:
         # get all network ports in the new network
-        internal_ips = (p['fixed_ips'][0]['ip_address'] for p in
-                        self._list_ports(tenant_id=server['tenant_id'],
-                                         network_id=network['id'])
-                        if p['device_owner'].startswith('network'))
+        internal_ips = (
+            p['fixed_ips'][0]['ip_address'] for p in
+            self.admin_manager.ports_client.list_ports(
+                tenant_id=server['tenant_id'],
+                network_id=network['id'])['ports']
+            if p['device_owner'].startswith('network')
+        )
 
         self._check_server_connectivity(floating_ip,
                                         internal_ips,
@@ -320,8 +327,11 @@
         # We ping the external IP from the instance using its floating IP
         # which is always IPv4, so we must only test connectivity to
         # external IPv4 IPs if the external network is dualstack.
-        v4_subnets = [s for s in self._list_subnets(
-            network_id=CONF.network.public_network_id) if s['ip_version'] == 4]
+        v4_subnets = [
+            s for s in self.admin_manager.subnets_client.list_subnets(
+                network_id=CONF.network.public_network_id)['subnets']
+            if s['ip_version'] == 4
+        ]
         self.assertEqual(1, len(v4_subnets),
                          "Found %d IPv4 subnets" % len(v4_subnets))
 
@@ -624,7 +634,8 @@
         self._setup_network_and_servers()
         floating_ip, server = self.floating_ip_tuple
         server_id = server['id']
-        port_id = self._list_ports(device_id=server_id)[0]['id']
+        port_id = self.admin_manager.ports_client.list_ports(
+            device_id=server_id)['ports'][0]['id']
         server_pip = server['addresses'][self.network['name']][0]['addr']
 
         server2 = self._create_server(self.network)
@@ -677,8 +688,8 @@
                              'Server should have been created from a '
                              'pre-existing port.')
         # Assert the port is bound to the server.
-        port_list = self._list_ports(device_id=server['id'],
-                                     network_id=self.network['id'])
+        port_list = self.admin_manager.ports_client.list_ports(
+            device_id=server['id'], network_id=self.network['id'])['ports']
         self.assertEqual(1, len(port_list),
                          'There should only be one port created for '
                          'server %s.' % server['id'])
@@ -696,8 +707,8 @@
         # Boot another server with the same port to make sure nothing was
         # left around that could cause issues.
         server = self._create_server(self.network, port['id'])
-        port_list = self._list_ports(device_id=server['id'],
-                                     network_id=self.network['id'])
+        port_list = self.admin_manager.ports_client.list_ports(
+            device_id=server['id'], network_id=self.network['id'])['ports']
         self.assertEqual(1, len(port_list),
                          'There should only be one port created for '
                          'server %s.' % server['id'])
@@ -727,9 +738,11 @@
         unschedule_router = (self.admin_manager.network_agents_client.
                              delete_router_from_l3_agent)
 
-        agent_list_alive = set(a["id"] for a in
-                               self._list_agents(agent_type="L3 agent") if
-                               a["alive"] is True)
+        agent_list_alive = set(
+            a["id"] for a in
+            self.admin_manager.network_agents_client.list_agents(
+                agent_type="L3 agent")['agents'] if a["alive"] is True
+        )
         self._setup_network_and_servers()
 
         # NOTE(kevinbenton): we have to use the admin credentials to check
@@ -811,8 +824,8 @@
         self._create_new_network()
         self._hotplug_server()
         fip, server = self.floating_ip_tuple
-        new_ports = self._list_ports(device_id=server["id"],
-                                     network_id=self.new_net["id"])
+        new_ports = self.admin_manager.ports_client.list_ports(
+            device_id=server["id"], network_id=self.new_net["id"])['ports']
         spoof_port = new_ports[0]
         private_key = self._get_server_key(server)
         ssh_client = self.get_remote_client(fip['floating_ip_address'],
diff --git a/tempest/scenario/test_network_v6.py b/tempest/scenario/test_network_v6.py
index 2d6ea75..f33784e 100644
--- a/tempest/scenario/test_network_v6.py
+++ b/tempest/scenario/test_network_v6.py
@@ -143,9 +143,11 @@
         @param ssh: RemoteClient ssh instance to server
         @param sid: server uuid
         """
-        ports = [p["mac_address"] for p in
-                 self._list_ports(device_id=sid,
-                                  network_id=self.network_v6['id'])]
+        ports = [
+            p["mac_address"] for p in
+            self.admin_manager.ports_client.list_ports(
+                device_id=sid, network_id=self.network_v6['id'])['ports']
+        ]
         self.assertEqual(1, len(ports),
                          message=("Multiple IPv6 ports found on network %s. "
                                   "ports: %s")
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index 5565cb8..a01124d 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -220,22 +220,24 @@
         # Checks that we see the newly created network/subnet/router via
         # checking the result of list_[networks,routers,subnets]
         # Check that (router, subnet) couple exist in port_list
-        seen_nets = self._list_networks()
-        seen_names = [n['name'] for n in seen_nets]
-        seen_ids = [n['id'] for n in seen_nets]
+        seen_nets = self.admin_manager.networks_client.list_networks()
+        seen_names = [n['name'] for n in seen_nets['networks']]
+        seen_ids = [n['id'] for n in seen_nets['networks']]
 
         self.assertIn(tenant.network['name'], seen_names)
         self.assertIn(tenant.network['id'], seen_ids)
 
-        seen_subnets = [(n['id'], n['cidr'], n['network_id'])
-                        for n in self._list_subnets()]
+        seen_subnets = [
+            (n['id'], n['cidr'], n['network_id']) for n in
+            self.admin_manager.subnets_client.list_subnets()['subnets']
+        ]
         mysubnet = (tenant.subnet['id'], tenant.subnet['cidr'],
                     tenant.network['id'])
         self.assertIn(mysubnet, seen_subnets)
 
-        seen_routers = self._list_routers()
-        seen_router_ids = [n['id'] for n in seen_routers]
-        seen_router_names = [n['name'] for n in seen_routers]
+        seen_routers = self.admin_manager.routers_client.list_routers()
+        seen_router_ids = [n['id'] for n in seen_routers['routers']]
+        seen_router_names = [n['name'] for n in seen_routers['routers']]
 
         self.assertIn(tenant.router['name'], seen_router_names)
         self.assertIn(tenant.router['id'], seen_router_ids)
@@ -243,9 +245,11 @@
         myport = (tenant.router['id'], tenant.subnet['id'])
         router_ports = [
             (i['device_id'], f['subnet_id'])
-            for i in self._list_ports(device_id=tenant.router['id'])
+            for i in self.admin_manager.ports_client.list_ports(
+                device_id=tenant.router['id'])['ports']
             if net_info.is_router_interface_port(i)
-            for f in i['fixed_ips']]
+            for f in i['fixed_ips']
+        ]
 
         self.assertIn(myport, router_ports)
 
@@ -450,7 +454,8 @@
         mac_addr = mac_addr.strip().lower()
         # Get the fixed_ips and mac_address fields of all ports. Select
         # only those two columns to reduce the size of the response.
-        port_list = self._list_ports(fields=['fixed_ips', 'mac_address'])
+        port_list = self.admin_manager.ports_client.list_ports(
+            fields=['fixed_ips', 'mac_address'])['ports']
         port_detail_list = [
             (port['fixed_ips'][0]['subnet_id'],
              port['fixed_ips'][0]['ip_address'],
@@ -536,7 +541,8 @@
                                      ip=self._get_server_ip(server),
                                      should_succeed=False)
             server_id = server['id']
-            port_id = self._list_ports(device_id=server_id)[0]['id']
+            port_id = self.admin_manager.ports_client.list_ports(
+                device_id=server_id)['ports'][0]['id']
 
             # update port with new security group and check connectivity
             self.ports_client.update_port(port_id, security_groups=[
@@ -598,7 +604,8 @@
 
         access_point_ssh = self._connect_to_access_point(new_tenant)
         server_id = server['id']
-        port_id = self._list_ports(device_id=server_id)[0]['id']
+        port_id = self.admin_manager.ports_client.list_ports(
+            device_id=server_id)['ports'][0]['id']
 
         # Flip the port's port security and check connectivity
         try:
@@ -642,7 +649,8 @@
         sec_groups = []
         server = self._create_server(name, tenant, sec_groups)
         server_id = server['id']
-        ports = self._list_ports(device_id=server_id)
+        ports = self.admin_manager.ports_client.list_ports(
+            device_id=server_id)['ports']
         self.assertEqual(1, len(ports))
         for port in ports:
             self.assertEmpty(port['security_groups'],