diff --git a/drivers/serial/uart_16550.c b/drivers/serial/uart_16550.c
index 95645adf1a..b793bde831 100644
--- a/drivers/serial/uart_16550.c
+++ b/drivers/serial/uart_16550.c
@@ -1092,14 +1092,16 @@ static bool u16550_txempty(struct uart_dev_s *dev)
  *
  ****************************************************************************/
 
+#ifdef HAVE_16550_CONSOLE
 static void u16550_putc(FAR struct u16550_s *priv, int ch)
 {
   while ((u16550_serialin(priv, UART_LSR_OFFSET) & UART_LSR_THRE) == 0);
   u16550_serialout(priv, UART_THR_OFFSET, (uart_datawidth_t)ch);
 }
+#endif
 
 /****************************************************************************
- * Public Funtions
+ * Public Functions
  ****************************************************************************/
 
 /****************************************************************************