diff --git a/data/grid5000/sites/luxembourg/servers/nat-belval.json b/data/grid5000/sites/luxembourg/servers/nat-belval.json
deleted file mode 100644
index 15679d7da7b4aac0a7d5ee68829802777558175e..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/luxembourg/servers/nat-belval.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.191.201"
-    }
-  },
-  "type": "server",
-  "uid": "nat-belval"
-}
\ No newline at end of file
diff --git a/input/grid5000/sites/luxembourg/servers/virtual.yaml b/input/grid5000/sites/luxembourg/servers/virtual.yaml
index 640033e357f9e13d3ff3da232a3f7a4beb184266..fea48f3a125b2c59559de1d5fd90679409b3d3a2 100644
--- a/input/grid5000/sites/luxembourg/servers/virtual.yaml
+++ b/input/grid5000/sites/luxembourg/servers/virtual.yaml
@@ -109,11 +109,6 @@ nat:
   network_adapters:
     default:
       ip: 172.16.191.200
-nat-belval:
-  kind: virtual
-  network_adapters:
-    default:
-      ip: 172.16.191.201
 oar:
   kind: virtual
   alias: