diff --git a/cores/arduino/wiring_digital.c b/cores/arduino/wiring_digital.c
index 5733a633e89fb150a3cd2580550d715bf9ae3589..5c03e8d5ba66a1268a80e004467749cc9bd6ac47 100644
--- a/cores/arduino/wiring_digital.c
+++ b/cores/arduino/wiring_digital.c
@@ -16,10 +16,8 @@
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
-//#include "Arduino.h"
 #include "wiring_digital.h"
 #include "WVariant.h"
-//#include "Arduino.h"
 
 #ifdef __cplusplus
  extern "C" {