diff --git a/resources/definitions/atomPlus.def.json b/resources/definitions/atomPlus.def.json
deleted file mode 100644
index 2d053693ff..0000000000
--- a/resources/definitions/atomPlus.def.json
+++ /dev/null
@@ -1,34 +0,0 @@
-{
-  "name": "Atom Plus",
-  "version": 2,
-  "inherits": "fdmprinter",
-  "metadata": {
-    "visible": true,
-    "author": "Victor (Yu Chieh) Lin",
-    "manufacturer": "Layer One",
-    "file_formats": "text/x-gcode",
-    "platform_offset": [0,0,0],
-    "machine_extruder_trains":  { "0": "atomPlus_extruder_0"
-    }
-  },
-
-  "overrides": {
-    "machine_name":           { "default_value": "Atom Plus" },
-    "machine_shape":          { "default_value": "elliptic" },
-    "machine_width":          { "default_value": 420 },
-    "machine_depth":          { "default_value": 420 },
-    "machine_height":         { "default_value": 910 },
-    "machine_extruder_count": { "default_value": 1 },
-    "machine_heated_bed":     { "default_value": false },
-    "machine_center_is_zero": { "default_value": true },
-
-    "machine_start_gcode":    { "default_value": "G21\nG90 \nM107\nG28\nG92 E0\nG1 F200 E3\nG92 E0" },
-    "machine_end_gcode":      { "default_value": "M104 S0\nG28\nG91\nG1 E-6 F300\nM84\nG90" },
-
-    "layer_height": { "default_value": 0.4 },
-    "default_material_print_temperature": { "default_value": 220 },
-    "speed_print": { "default_value": 32 },
-    "optimize_wall_printing_order": { "value": "True" },
-    "infill_sparse_density": { "default_value": 10 }
-  }
-}
\ No newline at end of file