diff --git a/data/grid5000/sites/nantes/servers/ceph0.json b/data/grid5000/sites/nantes/servers/ceph0.json
deleted file mode 100644
index 10daf1259859dbdd8a464282503a922d1bf3020c..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/nantes/servers/ceph0.json
+++ /dev/null
@@ -1,24 +0,0 @@
-{
-  "alias": [
-    "ceph-dashboard",
-    "grafana",
-    "alertmanager",
-    "prometheus",
-    "csod"
-  ],
-  "kind": "physical",
-  "network_adapters": {
-    "bmc": {
-      "ip": "172.17.207.10",
-      "mac": "34:17:eb:e6:4c:41"
-    },
-    "default": {
-      "ip": "172.16.207.10",
-      "mac": "a0:36:9f:53:11:10"
-    }
-  },
-  "serial": "4CL5842",
-  "type": "server",
-  "uid": "ceph0",
-  "warranty": "2019-12"
-}
\ No newline at end of file
diff --git a/data/grid5000/sites/nantes/servers/ceph1.json b/data/grid5000/sites/nantes/servers/ceph1.json
deleted file mode 100644
index ebbe1944d047eb6fe07b727340d6e579aaecf1c3..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/nantes/servers/ceph1.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "alias": [
-
-  ],
-  "kind": "physical",
-  "network_adapters": {
-    "bmc": {
-      "ip": "172.17.207.11",
-      "mac": "34:17:eb:e6:4a:6d"
-    },
-    "default": {
-      "ip": "172.16.207.11",
-      "mac": "a0:36:9f:53:0b:ec"
-    }
-  },
-  "serial": "GBL5842",
-  "type": "server",
-  "uid": "ceph1",
-  "warranty": "2019-12"
-}
\ No newline at end of file
diff --git a/data/grid5000/sites/nantes/servers/ceph2.json b/data/grid5000/sites/nantes/servers/ceph2.json
deleted file mode 100644
index 9bc0cfd75a18716ec799a9f3354b84999ffec252..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/nantes/servers/ceph2.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "alias": [
-
-  ],
-  "kind": "physical",
-  "network_adapters": {
-    "bmc": {
-      "ip": "172.17.207.12",
-      "mac": "34:17:eb:e6:47:67"
-    },
-    "default": {
-      "ip": "172.16.207.12",
-      "mac": "a0:36:9f:53:11:44"
-    }
-  },
-  "serial": "1CL5842",
-  "type": "server",
-  "uid": "ceph2",
-  "warranty": "2019-12"
-}
\ No newline at end of file
diff --git a/data/grid5000/sites/nantes/servers/ceph3.json b/data/grid5000/sites/nantes/servers/ceph3.json
deleted file mode 100644
index 60f08f059ea68a8122e614a551b20bb19b47807b..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/nantes/servers/ceph3.json
+++ /dev/null
@@ -1,20 +0,0 @@
-{
-  "alias": [
-
-  ],
-  "kind": "physical",
-  "network_adapters": {
-    "bmc": {
-      "ip": "172.17.207.13",
-      "mac": "34:17:eb:e6:4a:4c"
-    },
-    "default": {
-      "ip": "172.16.207.13",
-      "mac": "a0:36:9f:53:11:40"
-    }
-  },
-  "serial": "FBL5842",
-  "type": "server",
-  "uid": "ceph3",
-  "warranty": "2019-12"
-}
\ No newline at end of file
diff --git a/data/grid5000/sites/nantes/servers/srv-2.json b/data/grid5000/sites/nantes/servers/srv-2.json
deleted file mode 100644
index c661b0b5562e73016c54c6b920725af257064726..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/nantes/servers/srv-2.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  "kind": "physical",
-  "network_adapters": {
-    "bmc": {
-      "ip": "172.17.207.3",
-      "mac": "78:45:c4:f9:2f:53"
-    },
-    "default": {
-      "ip": "172.16.207.3",
-      "mac": "a0:36:9f:0e:a1:f0"
-    }
-  },
-  "serial": "JP2YG5J",
-  "type": "server",
-  "uid": "srv-2",
-  "warranty": "2019-11"
-}
\ No newline at end of file
diff --git a/data/grid5000/sites/nantes/servers/srv.json b/data/grid5000/sites/nantes/servers/srv.json
deleted file mode 100644
index ae4caffd864ff0b663f046a480ab5d31c959c8ea..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/nantes/servers/srv.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  "kind": "physical",
-  "network_adapters": {
-    "bmc": {
-      "ip": "172.17.207.1",
-      "mac": "78:45:c4:f9:2c:b9"
-    },
-    "default": {
-      "ip": "172.16.207.1",
-      "mac": "a0:36:9f:0e:24:58"
-    }
-  },
-  "serial": "HP2YG5J",
-  "type": "server",
-  "uid": "srv",
-  "warranty": "2019-11"
-}
\ No newline at end of file
diff --git a/input/grid5000/sites/nantes/servers/physical.yaml b/input/grid5000/sites/nantes/servers/physical.yaml
index 2e4311e2828f56965358d9f7efafb6423dfda0d0..1d2ec2db8eca265f5e72674a1cca9425e1f9bec8 100644
--- a/input/grid5000/sites/nantes/servers/physical.yaml
+++ b/input/grid5000/sites/nantes/servers/physical.yaml
@@ -1,16 +1,4 @@
 ---
-srv:
-  kind: physical
-  warranty: 2019-11
-  serial: HP2YG5J
-  network_adapters:
-    default:
-      ip: 172.16.207.1
-      mac: a0:36:9f:0e:24:58
-    bmc:
-      ip: 172.17.207.1
-      mac: 78:45:c4:f9:2c:b9
-
 srv-data:
   kind: physical
   alias: [nfs, home-g5k, public, modules]
@@ -24,18 +12,6 @@ srv-data:
       ip: 172.17.207.2
       mac: 90:b1:1c:13:86:04
 
-srv-2:
-  kind: physical
-  warranty: 2019-11
-  serial: JP2YG5J
-  network_adapters:
-    default:
-      ip: 172.16.207.3
-      mac: a0:36:9f:0e:a1:f0
-    bmc:
-      ip: 172.17.207.3
-      mac: 78:45:c4:f9:2f:53
-
 srv-3:
   kind: physical
   alias:
@@ -63,60 +39,3 @@ srv-4:
     bmc:
       ip: 172.17.207.5
       mac: 4c:d9:8f:34:f9:f2
-
-ceph0:
-  kind: physical
-  alias:
-  - ceph-dashboard
-  - grafana
-  - alertmanager
-  - prometheus
-  - csod
-  warranty: 2019-12
-  serial: 4CL5842
-  network_adapters:
-    default:
-      ip: 172.16.207.10
-      mac: a0:36:9f:53:11:10
-    bmc:
-      ip: 172.17.207.10
-      mac: 34:17:eb:e6:4c:41
-
-ceph1:
-  kind: physical
-  alias: []
-  warranty: 2019-12
-  serial: GBL5842
-  network_adapters:
-    default:
-      ip: 172.16.207.11
-      mac: a0:36:9f:53:0b:ec
-    bmc:
-      ip: 172.17.207.11
-      mac: 34:17:eb:e6:4a:6d
-
-ceph2:
-  kind: physical
-  alias: []
-  warranty: 2019-12
-  serial: 1CL5842
-  network_adapters:
-    default:
-      ip: 172.16.207.12
-      mac: a0:36:9f:53:11:44
-    bmc:
-      ip: 172.17.207.12
-      mac: 34:17:eb:e6:47:67
-
-ceph3:
-  kind: physical
-  alias: []
-  warranty: 2019-12
-  serial: FBL5842
-  network_adapters:
-    default:
-      ip: 172.16.207.13
-      mac: a0:36:9f:53:11:40
-    bmc:
-      ip: 172.17.207.13
-      mac: 34:17:eb:e6:4a:4c