diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index f21c240e64aa2d7802841f719e8ddbb017d2f7be..25b9d1724334e2b3d321760e235a0cd419ff588a 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -272,26 +272,12 @@ static inline void _debug_uart_init(void)
 	serial_dout(&com_port->lcr, UART_LCRVAL);
 }
 
-static inline int NS16550_read_baud_divisor(struct NS16550 *com_port)
-{
-	int ret;
-
-	serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL);
-	ret = serial_din(&com_port->dll) & 0xff;
-	ret |= (serial_din(&com_port->dlm) & 0xff) << 8;
-	serial_dout(&com_port->lcr, UART_LCRVAL);
-
-	return ret;
-}
-
 static inline void _debug_uart_putc(int ch)
 {
 	struct NS16550 *com_port = (struct NS16550 *)CONFIG_DEBUG_UART_BASE;
 
-	while (!(serial_din(&com_port->lsr) & UART_LSR_THRE)) {
-		if (!NS16550_read_baud_divisor(com_port))
-			return;
-	}
+	while (!(serial_din(&com_port->lsr) & UART_LSR_THRE))
+		;
 	serial_dout(&com_port->thr, ch);
 }