diff --git a/resources/definitions/elegoo_neptune_4.def.json b/resources/definitions/elegoo_neptune_4.def.json
index 96776d0cce..63d2e573e0 100644
--- a/resources/definitions/elegoo_neptune_4.def.json
+++ b/resources/definitions/elegoo_neptune_4.def.json
@@ -5,8 +5,7 @@
     "metadata":
     {
         "visible": true,
-        "author": "mastercaution",
-        "machine_extruder_trains": { "0": "elegoo_neptune4_extruder_0" }
+        "author": "mastercaution"
     },
     "overrides":
     {