diff --git a/plugins/modbus/modbus-rtu.json b/plugins/modbus/modbus-rtu.json
index fd834ac6..46c7940b 100644
--- a/plugins/modbus/modbus-rtu.json
+++ b/plugins/modbus/modbus-rtu.json
@@ -327,31 +327,6 @@
 			"value": 1
 		}
 	},
-	"transport_mode": {
-		"name": "Transport Mode",
-		"name_zh": "传输模式",
-		"description": "TCP transfer or UDP transfer",
-		"description_zh": "TCP 传输或 UDP 传输",
-		"attribute": "required",
-		"type": "map",
-		"default": 0,
-		"valid": {
-			"map": [
-				{
-					"key": "TCP",
-					"value": 0
-				},
-				{
-					"key": "UDP",
-					"value": 1
-				}
-			]
-		},
-		"condition": {
-			"field": "link",
-			"value": 1
-		}
-	},
 	"connection_mode": {
 		"name": "Connection Mode",
 		"name_zh": "连接模式",
@@ -375,10 +350,6 @@
 		"condition": {
 			"field": "link",
 			"value": 1
-		},
-		"condition": {
-			"field": "transport_mode",
-			"value": 0
 		}
 	}
 }
\ No newline at end of file