if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
          return;
 
+       #if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
        CDC_Device_Flush(CDCInterfaceInfo);
+       #endif
 }
 
 uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo,