diff --git a/src/device/usbd.h b/src/device/usbd.h
index 118e53ce46..a33b385ad0 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -110,15 +110,15 @@ bool tud_control_status(uint8_t rhport, tusb_control_request_t const * request);
 
 // Invoked when received GET DEVICE DESCRIPTOR request
 // Application return pointer to descriptor
-uint8_t const * tud_descriptor_device_cb(void);
+uint8_t const * tud_descriptor_device_cb(void) noexcept;
 
 // Invoked when received GET CONFIGURATION DESCRIPTOR request
 // Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
-uint8_t const * tud_descriptor_configuration_cb(uint8_t index);
+uint8_t const * tud_descriptor_configuration_cb(uint8_t index) noexcept;
 
 // Invoked when received GET STRING DESCRIPTOR request
 // Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
-uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid);
+uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid) noexcept;
 
 // Invoked when received GET BOS DESCRIPTOR request
 // Application return pointer to descriptor