diff --git a/resources/definitions/winbo_mini2.def.json b/resources/definitions/winbo_mini2.def.json
index d166b7847e..85c5a445bd 100644
--- a/resources/definitions/winbo_mini2.def.json
+++ b/resources/definitions/winbo_mini2.def.json
@@ -41,7 +41,6 @@
         "machine_extruder_count": { "default_value": 1 },
         "machine_start_gcode": { "default_value": "G21\nG90\nM82\nM107\nG28 X0 Y0\nG28 Z0\nG1 F1000 Z3\nG1 F4000 X0\nG1 F4000 Y0\nG1 F1000 Z0.2\nG92 E0\nG1 F1000 X30 E8\nG92 E0\nM117 Printing." },
         "machine_end_gcode": { "default_value": "M104 S0\nM140 S0\nG92 E2\nG1 E0 F200\nG28 X0 Y0\nM84 X Y E" },
-        "material_diameter": { "default_value": 1.75 },
         "prime_blob_enable": { "enabled": true },
         "acceleration_enabled": { "value": "True" },
         "acceleration_layer_0": { "value": "acceleration_topbottom" },