diff --git a/hw/bsp/same70_xplained/same70_xplained.c b/hw/bsp/same70_xplained/same70_xplained.c
index fb8855f5..e34b5d35 100644
--- a/hw/bsp/same70_xplained/same70_xplained.c
+++ b/hw/bsp/same70_xplained/same70_xplained.c
@@ -52,6 +52,7 @@ static volatile bool uart_busy = false;
 
 static void tx_cb_EDBG_COM(const struct usart_async_descriptor *const io_descr)
 {
+  (void) io_descr;
   uart_busy = false;
 }