diff --git a/environments/neutron-ml2-cisco-nexus-ucsm.yaml b/environments/neutron-ml2-cisco-nexus-ucsm.yaml
index ad11175766..f5a0a3992f 100644
--- a/environments/neutron-ml2-cisco-nexus-ucsm.yaml
+++ b/environments/neutron-ml2-cisco-nexus-ucsm.yaml
@@ -2,6 +2,8 @@
 # a Cisco Neutron plugin.
 resource_registry:
   OS::TripleO::AllNodesExtraConfig: ../puppet/extraconfig/all_nodes/neutron-ml2-cisco-nexus-ucsm.yaml
+  OS::TripleO::Services::ComputeNeutronOvsAgent: OS::Heat::None
+  OS::TripleO::Services::ComputeNeutronCorePlugin: OS::Heat::None
 
 parameter_defaults:
   NetworkUCSMIp: '127.0.0.1'