diff --git a/neutron_tempest_plugin/sfc/tests/scenario/manager.py b/neutron_tempest_plugin/sfc/tests/scenario/manager.py
index 86102b2..8fe3b3e 100644
--- a/neutron_tempest_plugin/sfc/tests/scenario/manager.py
+++ b/neutron_tempest_plugin/sfc/tests/scenario/manager.py
@@ -61,30 +61,6 @@
     # The create_[resource] functions only return body and discard the
     # resp part which is not used in scenario tests
 
-    def _create_port(self, network_id, client=None, namestart='port-quotatest',
-                     **kwargs):
-        if not client:
-            client = self.ports_client
-        name = data_utils.rand_name(namestart)
-        result = client.create_port(
-            name=name,
-            network_id=network_id,
-            **kwargs)
-        self.assertIsNotNone(result, 'Unable to allocate port')
-        port = result['port']
-        self.addCleanup(test_utils.call_and_ignore_notfound_exc,
-                        client.delete_port, port['id'])
-        return port
-
-    def create_keypair(self, client=None):
-        if not client:
-            client = self.keypairs_client
-        name = data_utils.rand_name(self.__class__.__name__)
-        # We don't need to create a keypair by pubkey in scenario
-        body = client.create_keypair(name=name)
-        self.addCleanup(client.delete_keypair, name)
-        return body['keypair']
-
     def create_server(self, name=None, image_id=None, flavor=None,
                       validatable=False, wait_until='ACTIVE',
                       clients=None, **kwargs):
@@ -157,9 +133,9 @@
             for net in networks:
                 net_id = net.get('uuid', net.get('id'))
                 if 'port' not in net:
-                    port = self._create_port(network_id=net_id,
-                                             client=clients.ports_client,
-                                             **create_port_body)
+                    port = self.create_port(network_id=net_id,
+                                            client=clients.ports_client,
+                                            **create_port_body)
                     ports.append({'port': port['id']})
                 else:
                     ports.append({'port': net['port']})
@@ -541,176 +517,6 @@
             self._log_net_info(e)
             raise
 
-    def _create_security_group(self, security_group_rules_client=None,
-                               tenant_id=None,
-                               namestart='secgroup-smoke',
-                               security_groups_client=None):
-        if security_group_rules_client is None:
-            security_group_rules_client = self.security_group_rules_client
-        if security_groups_client is None:
-            security_groups_client = self.security_groups_client
-        if tenant_id is None:
-            tenant_id = security_groups_client.tenant_id
-        secgroup = self._create_empty_security_group(
-            namestart=namestart, client=security_groups_client,
-            tenant_id=tenant_id)
-
-        # Add rules to the security group
-        rules = self._create_loginable_secgroup_rule(
-            security_group_rules_client=security_group_rules_client,
-            secgroup=secgroup,
-            security_groups_client=security_groups_client)
-        for rule in rules:
-            self.assertEqual(tenant_id, rule['tenant_id'])
-            self.assertEqual(secgroup['id'], rule['security_group_id'])
-        return secgroup
-
-    def _create_empty_security_group(self, client=None, tenant_id=None,
-                                     namestart='secgroup-smoke'):
-        """Create a security group without rules.
-
-        Default rules will be created:
-         - IPv4 egress to any
-         - IPv6 egress to any
-
-        :param tenant_id: secgroup will be created in this tenant
-        :returns: the created security group
-        """
-        if client is None:
-            client = self.security_groups_client
-        if not tenant_id:
-            tenant_id = client.tenant_id
-        sg_name = data_utils.rand_name(namestart)
-        sg_desc = sg_name + " description"
-        sg_dict = dict(name=sg_name,
-                       description=sg_desc)
-        sg_dict['tenant_id'] = tenant_id
-        result = client.create_security_group(**sg_dict)
-
-        secgroup = result['security_group']
-        self.assertEqual(secgroup['name'], sg_name)
-        self.assertEqual(tenant_id, secgroup['tenant_id'])
-        self.assertEqual(secgroup['description'], sg_desc)
-
-        self.addCleanup(test_utils.call_and_ignore_notfound_exc,
-                        client.delete_security_group, secgroup['id'])
-        return secgroup
-
-    def _default_security_group(self, client=None, tenant_id=None):
-        """Get default secgroup for given tenant_id.
-
-        :returns: default secgroup for given tenant
-        """
-        if client is None:
-            client = self.security_groups_client
-        if not tenant_id:
-            tenant_id = client.tenant_id
-        sgs = [
-            sg for sg in list(client.list_security_groups().values())[0]
-            if sg['tenant_id'] == tenant_id and sg['name'] == 'default'
-        ]
-        msg = "No default security group for tenant %s." % (tenant_id)
-        self.assertNotEmpty(sgs, msg)
-        return sgs[0]
-
-    def _create_security_group_rule(self, secgroup=None,
-                                    sec_group_rules_client=None,
-                                    tenant_id=None,
-                                    security_groups_client=None, **kwargs):
-        """Create a rule from a dictionary of rule parameters.
-
-        Create a rule in a secgroup. if secgroup not defined will search for
-        default secgroup in tenant_id.
-
-        :param secgroup: the security group.
-        :param tenant_id: if secgroup not passed -- the tenant in which to
-            search for default secgroup
-        :param kwargs: a dictionary containing rule parameters:
-            for example, to allow incoming ssh:
-            rule = {
-                    direction: 'ingress'
-                    protocol:'tcp',
-                    port_range_min: 22,
-                    port_range_max: 22
-                    }
-        """
-        if sec_group_rules_client is None:
-            sec_group_rules_client = self.security_group_rules_client
-        if security_groups_client is None:
-            security_groups_client = self.security_groups_client
-        if not tenant_id:
-            tenant_id = security_groups_client.tenant_id
-        if secgroup is None:
-            secgroup = self._default_security_group(
-                client=security_groups_client, tenant_id=tenant_id)
-
-        ruleset = dict(security_group_id=secgroup['id'],
-                       tenant_id=secgroup['tenant_id'])
-        ruleset.update(kwargs)
-
-        sg_rule = sec_group_rules_client.create_security_group_rule(**ruleset)
-        sg_rule = sg_rule['security_group_rule']
-
-        self.assertEqual(secgroup['tenant_id'], sg_rule['tenant_id'])
-        self.assertEqual(secgroup['id'], sg_rule['security_group_id'])
-
-        return sg_rule
-
-    def _create_loginable_secgroup_rule(self, security_group_rules_client=None,
-                                        secgroup=None,
-                                        security_groups_client=None):
-        """Create loginable security group rule
-
-        This function will create:
-        1. egress and ingress tcp port 22 allow rule in order to allow ssh
-        access for ipv4.
-        2. egress and ingress ipv6 icmp allow rule, in order to allow icmpv6.
-        3. egress and ingress ipv4 icmp allow rule, in order to allow icmpv4.
-        """
-
-        if security_group_rules_client is None:
-            security_group_rules_client = self.security_group_rules_client
-        if security_groups_client is None:
-            security_groups_client = self.security_groups_client
-        rules = []
-        rulesets = [
-            dict(
-                # ssh
-                protocol='tcp',
-                port_range_min=22,
-                port_range_max=22,
-            ),
-            dict(
-                # ping
-                protocol='icmp',
-            ),
-            dict(
-                # ipv6-icmp for ping6
-                protocol='icmp',
-                ethertype='IPv6',
-            )
-        ]
-        sec_group_rules_client = security_group_rules_client
-        for ruleset in rulesets:
-            for r_direction in ['ingress', 'egress']:
-                ruleset['direction'] = r_direction
-                try:
-                    sg_rule = self._create_security_group_rule(
-                        sec_group_rules_client=sec_group_rules_client,
-                        secgroup=secgroup,
-                        security_groups_client=security_groups_client,
-                        **ruleset)
-                except lib_exc.Conflict as ex:
-                    # if rule already exist - skip rule and continue
-                    msg = 'Security group rule already exists'
-                    if msg not in ex._error_string:
-                        raise ex
-                else:
-                    self.assertEqual(r_direction, sg_rule['direction'])
-                    rules.append(sg_rule)
-
-        return rules
-
     def _get_router(self, client=None, tenant_id=None):
         """Retrieve a router for the given tenant id.
 
@@ -720,6 +526,7 @@
         network has, a tenant router will be created and returned that
         routes traffic to the public network.
         """
+
         if not client:
             client = self.routers_client
         if not tenant_id:
@@ -755,12 +562,6 @@
                         router['id'])
         return router
 
-    def _update_router_admin_state(self, router, admin_state_up):
-        kwargs = dict(admin_state_up=admin_state_up)
-        router = self.routers_client.update_router(
-            router['id'], **kwargs)['router']
-        self.assertEqual(admin_state_up, router['admin_state_up'])
-
     def create_networks(self, networks_client=None,
                         routers_client=None, subnets_client=None,
                         tenant_id=None, dns_nameservers=None,
diff --git a/neutron_tempest_plugin/sfc/tests/scenario/test_sfc.py b/neutron_tempest_plugin/sfc/tests/scenario/test_sfc.py
index 2f091e0..a009c54 100644
--- a/neutron_tempest_plugin/sfc/tests/scenario/test_sfc.py
+++ b/neutron_tempest_plugin/sfc/tests/scenario/test_sfc.py
@@ -65,10 +65,10 @@
             port_security_enabled=False)
         self.router2 = self._create_router()
         self.router3 = self._create_router()
-        self.router2_net1 = self._create_port(self.net1['id'])
+        self.router2_net1 = self.create_port(self.net1['id'])
         self._add_router_interface(
             self.router2['id'], self.router2_net1['id'])
-        self.router3_net1 = self._create_port(self.net1['id'])
+        self.router3_net1 = self.create_port(self.net1['id'])
         self._add_router_interface(
             self.router3['id'], self.router3_net1['id'])
         self.router2_net1_fixed_ip = self.router2_net1[
@@ -1063,13 +1063,13 @@
         self
     ):
         self.router4 = self._create_router()
-        self.router4_net1 = self._create_port(self.net1['id'])
+        self.router4_net1 = self.create_port(self.net1['id'])
         self._add_router_interface(
             self.router4['id'], self.router4_net1['id'])
         self.router4_net1_fixed_ip = self.router4_net1[
             'fixed_ips'][0]['ip_address']
         self.router5 = self._create_router()
-        self.router5_net1 = self._create_port(self.net1['id'])
+        self.router5_net1 = self.create_port(self.net1['id'])
         self._add_router_interface(
             self.router5['id'], self.router5_net1['id'])
         self.router5_net1_fixed_ip = self.router5_net1[