diff --git a/osm_lcm/ns.py b/osm_lcm/ns.py
index 9427fa0..d98472f 100644
--- a/osm_lcm/ns.py
+++ b/osm_lcm/ns.py
@@ -1076,6 +1076,10 @@
                 deploy_params_vdu["OSM"] = get_osm_params(
                     vnfr, vdur["vdu-id-ref"], vdur["count-index"]
                 )
+                for vdu, value in deploy_params_vdu["OSM"]["vdu"].items():
+                    for interface, address in value["interfaces"].items():
+                        if address.get("mac_address"):
+                            address.pop("mac_address")
                 vdur["additionalParams"] = deploy_params_vdu
 
                 # flavor