diff --git a/data/grid5000/sites/lyon/servers/guix-builder.json b/data/grid5000/sites/lyon/servers/guix-builder.json
deleted file mode 100644
index 38bef942b1ad14e67741d8e10187c15a2eadd656..0000000000000000000000000000000000000000
--- a/data/grid5000/sites/lyon/servers/guix-builder.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.63.133"
-    }
-  },
-  "type": "server",
-  "uid": "guix-builder"
-}
\ No newline at end of file
diff --git a/input/grid5000/sites/lyon/servers/virtual.yaml b/input/grid5000/sites/lyon/servers/virtual.yaml
index 1a1c199a9ca9103330f66dd79293dfac2851a691..eaf156d4f511b5945e71d9669eed5457fb069013 100644
--- a/input/grid5000/sites/lyon/servers/virtual.yaml
+++ b/input/grid5000/sites/lyon/servers/virtual.yaml
@@ -148,11 +148,6 @@ guix:
   network_adapters:
     default:
       ip: 172.16.63.132
-guix-builder:
-  kind: virtual
-  network_adapters:
-    default:
-      ip: 172.16.63.133
 kwollect:
   kind: virtual
   network_adapters: