diff --git a/os/hal/ports/STM32/LLD/USARTv3/hal_sio_lld.c b/os/hal/ports/STM32/LLD/USARTv3/hal_sio_lld.c
index 74b76584c..042d1786b 100644
--- a/os/hal/ports/STM32/LLD/USARTv3/hal_sio_lld.c
+++ b/os/hal/ports/STM32/LLD/USARTv3/hal_sio_lld.c
@@ -635,10 +635,7 @@ sioevents_t sio_lld_get_events(SIODriver *siop) {
   uint32_t isr;
   sioevents_t events;
 
-  /* Getting all ISR flags.
-     NOTE: Do not trust the position of other bits in ISR/ICR because
-           some scientist decided to use different positions for some
-           of them.*/
+  /* Getting all ISR flags.*/
   isr = siop->usart->ISR & (SIO_LLD_ISR_RX_ERRORS |
                             USART_ISR_RXNE_RXFNE  |
                             USART_ISR_IDLE        |