diff --git a/ports/renesas-ra/mphalport.c b/ports/renesas-ra/mphalport.c
index 1c62c23dd70b..f379df0e2380 100644
--- a/ports/renesas-ra/mphalport.c
+++ b/ports/renesas-ra/mphalport.c
@@ -69,9 +69,6 @@ uint8_t cdc_itf_pending; // keep track of cdc interfaces which need attention to
 
 uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
     uintptr_t ret = 0;
-    #if MICROPY_HW_USB_CDC
-    ret |= mp_usbd_cdc_poll_interfaces(poll_flags);
-    #endif
     #if MICROPY_HW_ENABLE_UART_REPL
     if (poll_flags & MP_STREAM_POLL_WR) {
         ret |= MP_STREAM_POLL_WR;
@@ -79,6 +76,8 @@ uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
     #endif
     #if MICROPY_PY_OS_DUPTERM
     ret |= mp_os_dupterm_poll(poll_flags);
+    #elif MICROPY_HW_USB_CDC
+    ret |= mp_usbd_cdc_poll_interfaces(poll_flags);
     #endif
     return ret;
 }
@@ -86,10 +85,6 @@ uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
 // Receive single character
 int mp_hal_stdin_rx_chr(void) {
     for (;;) {
-        #if MICROPY_HW_USB_CDC
-        mp_usbd_cdc_poll_interfaces(0);
-        #endif
-
         #if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
         flash_cache_commit();
         #endif
@@ -103,6 +98,8 @@ int mp_hal_stdin_rx_chr(void) {
         if (dupterm_c >= 0) {
             return dupterm_c;
         }
+        #elif MICROPY_HW_USB_CDC
+        mp_usbd_cdc_poll_interfaces(0);
         #endif
         MICROPY_EVENT_POLL_HOOK
     }
@@ -119,20 +116,18 @@ mp_uint_t mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
     }
     #endif
 
-    #if MICROPY_HW_USB_CDC
-    mp_uint_t cdc_res = mp_usbd_cdc_tx_strn(str, len);
-    if (cdc_res > 0) {
-        did_write = true;
-        ret = MIN(cdc_res, ret);
-    }
-    #endif
-
     #if MICROPY_PY_OS_DUPTERM
     int dupterm_res = mp_os_dupterm_tx_strn(str, len);
     if (dupterm_res >= 0) {
         did_write = true;
         ret = MIN((mp_uint_t)dupterm_res, ret);
     }
+    #elif MICROPY_HW_USB_CDC
+    mp_uint_t cdc_res = mp_usbd_cdc_tx_strn(str, len);
+    if (cdc_res > 0) {
+        did_write = true;
+        ret = MIN(cdc_res, ret);
+    }
     #endif
 
     return did_write ? ret : 0;