diff --git a/environments/neutron-ovs-dvr.yaml b/environments/neutron-ovs-dvr.yaml
index f4f9990ccc..973cbe1612 100644
--- a/environments/neutron-ovs-dvr.yaml
+++ b/environments/neutron-ovs-dvr.yaml
@@ -30,14 +30,6 @@ parameter_defaults:
   # affect the agent on the controller node.
   NeutronL3AgentMode: 'dvr_snat'
 
-  # L3 HA isn't supported for DVR enabled routers. If upgrading from a system
-  # where L3 HA is enabled and has neutron routers configured, it is
-  # recommended setting this value to true until such time all routers can be
-  # migrated to DVR routers. Once migration of the routers is complete,
-  # NeutronL3HA can be returned to false. All new systems should be deployed
-  # with NeutronL3HA set to false.
-  NeutronL3HA: false
-
   # Enabling DVR deploys additional services to the compute nodes that through
   # normal operation will consume memory. The amount required is roughly
   # proportional to the number of Neutron routers that will be scheduled to