diff --git a/components/driver/test/test_uart.c b/components/driver/test/test_uart.c
index 08023a030e..370f00ffe1 100644
--- a/components/driver/test/test_uart.c
+++ b/components/driver/test/test_uart.c
@@ -324,5 +324,5 @@ static void rs485_master()
  * correctness of RS485 interface channel communication. It requires
  * RS485 bus driver hardware to be connected to boards.
 */
-TEST_CASE_MULTIPLE_DEVICES("RS485 half duplex uart multiple devices test.", "[driver_RS485][test_env=UT_T2_RS485][timeout=200]", rs485_master, rs485_slave);
+TEST_CASE_MULTIPLE_DEVICES("RS485 half duplex uart multiple devices test.", "[driver_RS485][test_env=UT_T2_RS485]", rs485_master, rs485_slave);