diff --git a/resources/definitions/Mark2_for_Ultimaker2.def.json b/resources/definitions/Mark2_for_Ultimaker2.def.json
index 6a385c4b8b..5aada425fd 100644
--- a/resources/definitions/Mark2_for_Ultimaker2.def.json
+++ b/resources/definitions/Mark2_for_Ultimaker2.def.json
@@ -1,5 +1,4 @@
 {
-    "id": "Mark2_for_Ultimaker2",
     "version": 2,
     "name": "Mark2 for Ultimaker2",
     "inherits": "ultimaker2_plus",