diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 11916f603a3d..528779b40049 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -427,8 +427,6 @@ static int generic_rs485_config(struct uart_port *port,
 	if (is_rs485)
 		writeb(UART_EXAR_RS485_DLY(4), p + UART_MSR);
 
-	port->rs485 = *rs485;
-
 	return 0;
 }