diff --git a/data/grid5000/sites/lille/servers/elk-dev.json b/data/grid5000/sites/lille/servers/elk-dev.json
deleted file mode 100644
index 76b867a82737c793b21abdce57d24817342a99a6..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/lille/servers/elk-dev.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.47.146"
-    }
-  },
-  "type": "server",
-  "uid": "elk-dev"
-}
\ No newline at end of file
diff --git a/data/grid5000/sites/lille/servers/elk.json b/data/grid5000/sites/lille/servers/elk.json
deleted file mode 100644
index ec29b9b3213258e4be4e091e15ec1523f1a90dab..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/lille/servers/elk.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.47.145"
-    }
-  },
-  "type": "server",
-  "uid": "elk"
-}
\ No newline at end of file
diff --git a/input/grid5000/sites/lille/servers/virtual.yaml b/input/grid5000/sites/lille/servers/virtual.yaml
index 6ca24587ce180e79f2994f37994e38d977c0b72a..fb1d030d981c1513575a6bfa86017c8f5564dc7b 100644
--- a/input/grid5000/sites/lille/servers/virtual.yaml
+++ b/input/grid5000/sites/lille/servers/virtual.yaml
@@ -223,16 +223,6 @@ misc:
   network_adapters:
     default:
       ip: 172.16.47.136
-elk:
-  kind: virtual
-  network_adapters:
-    default:
-      ip: 172.16.47.145
-elk-dev:
-  kind: virtual
-  network_adapters:
-    default:
-      ip: 172.16.47.146
 guix:
   kind: virtual
   network_adapters: