1 files changed, 1 insertions, 3 deletions
diff --git a/cores/arduino/Arduino.h b/cores/arduino/Arduino.h
index e12ac82..ec1389e 100644
--- a/cores/arduino/Arduino.h
+++ b/cores/arduino/Arduino.h
@@ -21,6 +21,7 @@
 #define Arduino_h
 
 #include <stdlib.h>
+#include <stdbool.h>
 #include <string.h>
 #include <math.h>
 
@@ -43,9 +44,6 @@ void yield(void);
 #define OUTPUT 0x1
 #define INPUT_PULLUP 0x2
 
-#define true 0x1
-#define false 0x0
-
 #define PI 3.1415926535897932384626433832795
 #define HALF_PI 1.5707963267948966192313216916398
 #define TWO_PI 6.283185307179586476925286766559