diff --git a/devstack/lib/vmware_dvs b/devstack/lib/vmware_dvs
index 58df201146..a60e6776b5 100644
--- a/devstack/lib/vmware_dvs
+++ b/devstack/lib/vmware_dvs
@@ -99,11 +99,6 @@ function neutron_plugin_setup_interface_driver {
     iniset $conf_file DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver
 }
 
-function has_neutron_plugin_security_group {
-    # 0 means True here
-    return 0
-}
-
 function neutron_plugin_check_adv_test_requirements {
     is_service_enabled q-dhcp && return 0
 }
diff --git a/devstack/lib/vmware_nsx b/devstack/lib/vmware_nsx
index aa8e22bbf0..f4f6db56fa 100644
--- a/devstack/lib/vmware_nsx
+++ b/devstack/lib/vmware_nsx
@@ -155,11 +155,6 @@ function neutron_plugin_setup_interface_driver {
     iniset $conf_file DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver
 }
 
-function has_neutron_plugin_security_group {
-    # 0 means True here
-    return 0
-}
-
 function neutron_plugin_check_adv_test_requirements {
     is_service_enabled q-dhcp && return 0
 }
diff --git a/devstack/lib/vmware_nsx_v b/devstack/lib/vmware_nsx_v
index 68a09fadc4..8b0ac852bd 100644
--- a/devstack/lib/vmware_nsx_v
+++ b/devstack/lib/vmware_nsx_v
@@ -115,11 +115,6 @@ function neutron_plugin_setup_interface_driver {
     :
 }
 
-function has_neutron_plugin_security_group {
-    # 0 means True here
-    return 0
-}
-
 function neutron_plugin_check_adv_test_requirements {
     return 0
 }
diff --git a/devstack/lib/vmware_nsx_v3 b/devstack/lib/vmware_nsx_v3
index f3dc021a40..8b224e7b17 100644
--- a/devstack/lib/vmware_nsx_v3
+++ b/devstack/lib/vmware_nsx_v3
@@ -123,11 +123,6 @@ function neutron_plugin_setup_interface_driver {
     iniset $conf_file DEFAULT interface_driver neutron.agent.linux.interface.OVSInterfaceDriver
 }
 
-function has_neutron_plugin_security_group {
-    # 0 means True here
-    return 0
-}
-
 function neutron_plugin_check_adv_test_requirements {
     is_service_enabled q-dhcp && return 0
 }
diff --git a/devstack/override-defaults b/devstack/override-defaults
new file mode 100644
index 0000000000..626940f794
--- /dev/null
+++ b/devstack/override-defaults
@@ -0,0 +1,4 @@
+function has_neutron_plugin_security_group {
+    # 0 means True here
+    return 0
+}