diff --git a/resources/extruders/ankermake_m5_extruder_0.def.json b/resources/extruders/ankermake_m5_extruder_0.def.json
index fa1e375dbf..4ac2b1e7f1 100644
--- a/resources/extruders/ankermake_m5_extruder_0.def.json
+++ b/resources/extruders/ankermake_m5_extruder_0.def.json
@@ -8,7 +8,7 @@
   },
 
   "overrides": {
-    "machine_nozzle_size": { "default_value": 0.4 },
+    
     "material_diameter": { "default_value": 1.75 }
   }
 }