diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index 79922f179b08bf7901fe870db23b160c4c56865b..a0f38d7caa76f6f9891dd3e127673711caad85ef 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -1655,8 +1655,7 @@ lpuart_set_termios(struct uart_port *port, struct ktermios *termios,
 	else
 		modem &= ~(UARTMODEM_RXRTSE | UARTMODEM_TXCTSE);
 
-	if (termios->c_cflag & CSTOPB)
-		termios->c_cflag &= ~CSTOPB;
+	termios->c_cflag &= ~CSTOPB;
 
 	/* parity must be enabled when CS7 to match 8-bits format */
 	if ((termios->c_cflag & CSIZE) == CS7)