diff --git a/data/grid5000/sites/lyon/clusters/nova/nova.json b/data/grid5000/sites/lyon/clusters/nova/nova.json
index 3c9ec8ee4323f7060ca5967a6951d0e867effd18..cda1d5b6197ed9d3e1c6a4f864a39958b8b38d43 100644
--- a/data/grid5000/sites/lyon/clusters/nova/nova.json
+++ b/data/grid5000/sites/lyon/clusters/nova/nova.json
@@ -3,15 +3,6 @@
   "exotic": false,
   "kavlan": true,
   "metrics": [
-    {
-      "description": "Power consumption reported by wattmetre, in watt",
-      "name": "wattmetre_power_watt",
-      "optional_period": 20,
-      "period": 1000,
-      "source": {
-        "protocol": "wattmetre"
-      }
-    },
     {
       "description": "Front node ambiant temperature reported by BMC, in celsius",
       "name": "bmc_temp_ambiant_celsius",