diff --git a/neutron/tests/fullstack/resources/config.py b/neutron/tests/fullstack/resources/config.py
index d75b32b2ec0..ea9909c416c 100644
--- a/neutron/tests/fullstack/resources/config.py
+++ b/neutron/tests/fullstack/resources/config.py
@@ -151,8 +151,7 @@ class OVSConfigFixture(ConfigFixture):
                 'ovsdb_interface': host_desc.ovsdb_interface,
             },
             'securitygroup': {
-                'firewall_driver': ('neutron.agent.linux.iptables_firewall.'
-                                    'OVSHybridIptablesFirewallDriver'),
+                'firewall_driver': 'noop',
             },
             'agent': {
                 'l2_population': str(self.env_desc.l2_pop),