diff --git a/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-11.json b/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-11.json
index 2650db05f27ac4a553285f479b65b6adca1a4075..be5f18a59a77b1164ad62ce57a9f447e8f06ecf6 100644
--- a/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-11.json
+++ b/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-11.json
@@ -89,13 +89,6 @@
       "vendor": "Intel",
       "version": "BCM5721"
     },
-    {
-      "device": "eth2",
-      "driver": "myri10ge",
-      "interface": "Ethernet",
-      "kavlan": false,
-      "mac": "00:60:dd:46:84:b7"
-    },
     {
       "device": "ib0",
       "driver": "mlx4_core",
diff --git a/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-14.json b/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-14.json
index db5eb49b4336a65615f0ecae57aab974023c6aff..325caa46cd17a1f3cf374c3cc01b13376c5f038a 100644
--- a/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-14.json
+++ b/data/grid5000/sites/nancy/clusters/griffon/nodes/griffon-14.json
@@ -89,13 +89,6 @@
       "vendor": "Intel",
       "version": "BCM5721"
     },
-    {
-      "device": "eth2",
-      "driver": "myri10ge",
-      "interface": "Ethernet",
-      "kavlan": false,
-      "mac": "00:60:dd:46:84:b8"
-    },
     {
       "device": "ib0",
       "driver": "mlx4_core",
diff --git a/generators/input-validators/check-cluster-homogeneity.yaml.erb b/generators/input-validators/check-cluster-homogeneity.yaml.erb
index e622ffdf0a4a559687255f8ad7c60e9ad386d16e..b4a52fe8c2357b6d2057569f16d448f222ec0a37 100644
--- a/generators/input-validators/check-cluster-homogeneity.yaml.erb
+++ b/generators/input-validators/check-cluster-homogeneity.yaml.erb
@@ -52,8 +52,6 @@ nancy:
   griffon-[1-91]:
     - +chassis.serial
     - -chassis.serial
-  griffon-11:
-    - +network_adapters.eth2
   griffon-15:
     - -network_adapters.eth2
 
diff --git a/grid5000-all.json b/grid5000-all.json
index c568607876906ace6c631a3baa50920846590c05..cad27ef3099c2fe416fef1e9d15816826f4e610c 100644
--- a/grid5000-all.json
+++ b/grid5000-all.json
@@ -109377,13 +109377,6 @@
                   "vendor": "Intel",
                   "version": "BCM5721"
                 },
-                {
-                  "device": "eth2",
-                  "driver": "myri10ge",
-                  "interface": "Ethernet",
-                  "kavlan": false,
-                  "mac": "00:60:dd:46:84:b7"
-                },
                 {
                   "device": "ib0",
                   "driver": "mlx4_core",
@@ -109589,11 +109582,6 @@
                   "vendor": "intel",
                   "version": "BCM5721"
                 },
-                "eth2": {
-                  "driver": "myri10ge",
-                  "interface": "Ethernet",
-                  "mac": "00:60:dd:46:84:b9"
-                },
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": false,
@@ -109774,11 +109762,6 @@
                   "vendor": "intel",
                   "version": "BCM5721"
                 },
-                "eth2": {
-                  "driver": "myri10ge",
-                  "interface": "Ethernet",
-                  "mac": "00:60:dd:46:84:a8"
-                },
                 "ib0": {
                   "driver": "mlx4_core",
                   "enabled": false,
@@ -109959,13 +109942,6 @@
                   "vendor": "Intel",
                   "version": "BCM5721"
                 },
-                {
-                  "device": "eth2",
-                  "driver": "myri10ge",
-                  "interface": "Ethernet",
-                  "kavlan": false,
-                  "mac": "00:60:dd:46:84:b8"
-                },
                 {
                   "device": "ib0",
                   "driver": "mlx4_core",
diff --git a/input/grid5000/sites/nancy/clusters/griffon/griffon_pdu.yaml b/input/grid5000/sites/nancy/clusters/griffon/griffon_pdu.yaml
index ea7a479ef3a94a5418d1061851b5f06dc10ffaf1..829a143a7debb0d484ebbff1b660fc56e3182c04 100644
--- a/input/grid5000/sites/nancy/clusters/griffon/griffon_pdu.yaml
+++ b/input/grid5000/sites/nancy/clusters/griffon/griffon_pdu.yaml
@@ -46,38 +46,18 @@ nodes:
       - uid: griffon-pdu1
         port: 11
   griffon-11:
-    network_adapters:
-      eth2:
-        interface: Ethernet
-        driver: myri10ge 
-        mac: 00:60:dd:46:84:b7 
     pdu:
       - uid: griffon-pdu1
         port: 12
   griffon-12:
-    network_adapters:
-      eth2:
-        interface: Ethernet
-        driver: myri10ge 
-        mac: 00:60:dd:46:84:b9 
     pdu:
       - uid: griffon-pdu1
         port: 13
   griffon-13:
-    network_adapters:
-      eth2:
-        interface: Ethernet
-        driver: myri10ge 
-        mac: 00:60:dd:46:84:a8 
     pdu:
       - uid: griffon-pdu1
         port: 14
   griffon-14:
-    network_adapters:
-      eth2:
-        interface: Ethernet
-        driver: myri10ge 
-        mac: 00:60:dd:46:84:b8 
     pdu:
       - uid: griffon-pdu1
         port: 15