diff --git a/src/main.cpp b/src/main.cpp
index 9279cc1..d1e340a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -108,7 +108,7 @@ void EVENT_USB_Device_ConfigurationChanged(void) {
 
 /** Event handler for the library USB Control Request reception event. */
 void EVENT_USB_Device_ControlRequest(void) {
-    hal::usart::usart1.puts("EVENT_USB_Device_ControlRequest\n");
+    // hal::usart::usart1.puts("EVENT_USB_Device_ControlRequest\n");
     CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);
 }