diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 2843222..867c0fc 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -858,22 +858,6 @@
                         floating_ip['id'])
         return floating_ip
 
-    def _associate_floating_ip(self, floating_ip, server):
-        port_id, _ = self._get_server_port_id_and_ip4(server)
-        kwargs = dict(port_id=port_id)
-        floating_ip = self.floating_ips_client.update_floatingip(
-            floating_ip['id'], **kwargs)['floatingip']
-        self.assertEqual(port_id, floating_ip['port_id'])
-        return floating_ip
-
-    def _disassociate_floating_ip(self, floating_ip):
-        """:param floating_ip: floating_ips_client.create_floatingip"""
-        kwargs = dict(port_id=None)
-        floating_ip = self.floating_ips_client.update_floatingip(
-            floating_ip['id'], **kwargs)['floatingip']
-        self.assertIsNone(floating_ip['port_id'])
-        return floating_ip
-
     def check_floating_ip_status(self, floating_ip, status):
         """Verifies floatingip reaches the given status
 
@@ -1183,12 +1167,6 @@
                         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/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 2d38b06..0c3bf23 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -213,17 +213,20 @@
 
     def _disassociate_floating_ips(self):
         floating_ip, _ = self.floating_ip_tuple
-        self._disassociate_floating_ip(floating_ip)
-        self.floating_ip_tuple = Floating_IP_tuple(
-            floating_ip, None)
+        floating_ip = self.floating_ips_client.update_floatingip(
+            floating_ip['id'], port_id=None)['floatingip']
+        self.assertIsNone(floating_ip['port_id'])
+        self.floating_ip_tuple = Floating_IP_tuple(floating_ip, None)
 
     def _reassociate_floating_ips(self):
         floating_ip, server = self.floating_ip_tuple
         # create a new server for the floating ip
         server = self._create_server(self.network)
-        self._associate_floating_ip(floating_ip, server)
-        self.floating_ip_tuple = Floating_IP_tuple(
-            floating_ip, server)
+        port_id, _ = self._get_server_port_id_and_ip4(server)
+        floating_ip = self.floating_ips_client.update_floatingip(
+            floating_ip['id'], port_id=port_id)['floatingip']
+        self.assertEqual(port_id, floating_ip['port_id'])
+        self.floating_ip_tuple = Floating_IP_tuple(floating_ip, server)
 
     def _create_new_network(self, create_gateway=False):
         self.new_net = self._create_network()
@@ -355,6 +358,12 @@
             self.check_remote_connectivity(ssh_source, remote_ip,
                                            should_connect)
 
+    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'])
+
     @decorators.attr(type='smoke')
     @decorators.idempotent_id('f323b3ba-82f8-4db7-8ea6-6a895869ec49')
     @utils.services('compute', 'network')