diff --git a/gbpservice/neutron/plugins/ml2plus/patch_neutron.py b/gbpservice/neutron/plugins/ml2plus/patch_neutron.py
index a8c5143cc..f817ecec2 100644
--- a/gbpservice/neutron/plugins/ml2plus/patch_neutron.py
+++ b/gbpservice/neutron/plugins/ml2plus/patch_neutron.py
@@ -57,23 +57,3 @@ from oslo_db.sqlalchemy import exc_filters
 
 
 exc_filters.LOG.exception = exc_filters.LOG.debug
-
-
-from neutron.db import db_base_plugin_v2 as db_v2
-
-
-patched_create_network_db = db_v2.NeutronDbPluginV2.create_network_db
-
-
-# REVISIT: this is a monkey patch of the upstream DB layer call.
-# https://review.opendev.org/#/c/679399/ set the default value
-# for the network's MTU to the constant defined in neutron-lib, if
-# one wasn't specified. This modifies that behavior by explicitly
-# setting it to 0, if not set already, avoiding this behavior.
-def create_network_db(self, context, network):
-    n = network['network']
-    n.update({'mtu': n.get('mtu', 0)})
-    return patched_create_network_db(self, context, network)
-
-
-db_v2.NeutronDbPluginV2.create_network_db = create_network_db
diff --git a/requirements.txt b/requirements.txt
index 4eed8a1d7..98732ad15 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,6 @@
 # The order of packages is significant, because pip processes them in the order
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
+neutron>=20.3.1
 pbr>=4.0.0 # Apache-2.0
 pyOpenSSL>=16.2.0