diff --git a/roles/router/templates/firewall_config_aurore.py b/roles/router/templates/firewall_config_aurore.py
index af757a0..9565e3b 100644
--- a/roles/router/templates/firewall_config_aurore.py
+++ b/roles/router/templates/firewall_config_aurore.py
@@ -43,11 +43,7 @@ nat = [
         'extra_nat' : {
             'ens18': {
                 '10.129.0.254/32' : '45.66.111.{{ router_hard_ip_suffix }}',
-            },
-            'ens19': {
                 '10.128.0.0/16' : '45.66.111.{{ router_hard_ip_suffix }}',
-            },
-            'ens20': {
                 '10.130.0.0/16' : '45.66.111.{{ router_hard_ip_suffix }}',
             },
         }