diff --git a/cores/esp32/Arduino.h b/cores/esp32/Arduino.h
index 2004a7eb..e915d678 100644
--- a/cores/esp32/Arduino.h
+++ b/cores/esp32/Arduino.h
@@ -39,15 +39,15 @@
 
 #include "stdlib_noniso.h"
 
-#define PI 3.1415926535897932384626433832795
-#define HALF_PI 1.5707963267948966192313216916398
-#define TWO_PI 6.283185307179586476925286766559
-#define DEG_TO_RAD 0.017453292519943295769236907684886
-#define RAD_TO_DEG 57.295779513082320876798154814105
-#define EULER 2.718281828459045235360287471352
+//#define PI 3.1415926535897932384626433832795
+//#define HALF_PI 1.5707963267948966192313216916398
+//#define TWO_PI 6.283185307179586476925286766559
+//#define DEG_TO_RAD 0.017453292519943295769236907684886
+//#define RAD_TO_DEG 57.295779513082320876798154814105
+//#define EULER 2.718281828459045235360287471352
 
-#define SERIAL  0x0
-#define DISPLAY 0x1
+//#define SERIAL  0x0
+//#define DISPLAY 0x1
 
 #define LSBFIRST 0
 #define MSBFIRST 1