diff --git a/wiring-blink/src/main.cpp b/wiring-blink/src/main.cpp
index 1f804b0..b4ae7b3 100644
--- a/wiring-blink/src/main.cpp
+++ b/wiring-blink/src/main.cpp
@@ -6,9 +6,8 @@
 
 #include "Arduino.h"
 
-#ifndef LED_BUILTIN
-#define LED_BUILTIN 13
-#endif
+// Set LED_BUILTIN if it is not defined by Arduino framework
+// #define LED_BUILTIN 13
 
 void setup()
 {