diff --git a/resources/definitions/ankermake_m5c.def.json b/resources/definitions/ankermake_m5c.def.json
index 58f60544a3..190b8ff8ec 100644
--- a/resources/definitions/ankermake_m5c.def.json
+++ b/resources/definitions/ankermake_m5c.def.json
@@ -99,7 +99,7 @@
     "bridge_wall_speed": { "value": 20 },
     "bridge_skin_speed": { "value": 20 },
     "bridge_skin_material_flow": { "value": 100 },
-    "bridge_skin_density": { "value": 100 },
+    
     "bridge_skin_speed_2": { "value": 50 },
     "bridge_skin_material_flow_2": { "value": 80 },
     "bridge_skin_density_2": { "value": 80 },