diff --git a/resources/extruders/atomPlus_extruder_0.def.json b/resources/extruders/atomPlus_extruder_0.def.json
deleted file mode 100644
index 19ab13cf79..0000000000
--- a/resources/extruders/atomPlus_extruder_0.def.json
+++ /dev/null
@@ -1,15 +0,0 @@
-{
-    "version": 2,
-    "name": "Extruder 1",
-    "inherits": "fdmextruder",
-    "metadata": {
-        "machine": "atomPlus",
-        "position": "0"
-    },
-
-    "overrides": {
-        "extruder_nr": { "default_value": 0 },
-        "machine_nozzle_size": { "default_value": 1 },
-        "material_diameter": { "default_value": 1.75 }
-    }
-}