diff --git a/resources/definitions/smoothie.def.json b/resources/definitions/smoothie.def.json
index 5fce686161..a2313487f7 100644
--- a/resources/definitions/smoothie.def.json
+++ b/resources/definitions/smoothie.def.json
@@ -6,7 +6,6 @@
         "visible": true,
         "author": "grk3010",
         "manufacturer": "Custom",
-        "category": "Custom",
         "file_formats": "text/x-gcode",
         "machine_extruder_trains":
         {