diff --git a/src/device/usbd.c b/src/device/usbd.c
index 63e48277..8daab862 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -79,10 +79,12 @@ TU_ATTR_WEAK void tud_suspend_cb(bool remote_wakeup_en) {
 TU_ATTR_WEAK void tud_resume_cb(void) {
 }
 
-// TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const* request) {
-//   (void) rhport; (void) stage; (void) request;
-//   return false;
-// }
+TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const* request) {
+  (void) rhport;
+  (void) stage;
+  (void) request;
+  return false;
+}
 
 TU_ATTR_WEAK bool dcd_deinit(uint8_t rhport) {
   (void) rhport;
diff --git a/src/device/usbd.h b/src/device/usbd.h
index 020eb6d9..b3e622d9 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -171,7 +171,7 @@ void tud_event_hook_cb(uint8_t rhport, uint32_t eventid, bool in_isr);
 void tud_sof_cb(uint32_t frame_count);
 
 // Invoked when received control request with VENDOR TYPE
-TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
+bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
 
 //--------------------------------------------------------------------+
 // Binary Device Object Store (BOS) Descriptor Templates