-#define SENSOR_SHIFT_TYPE 16
-#define SENSOR_UNDEFINED_ID -1
-
-#define SENSOR_LISTENER_MAGIC 0xCAFECAFE
-
-#define CONVERT_AXIS_ENUM(X) ((X) < 3 ? (X) + 0x81 : (X) - 2)
+#define SENSOR_SHIFT_TYPE 16
+#define SENSOR_UNDEFINED_ID -1
+#define SENSOR_LISTENER_MAGIC 0xCAFECAFE
+#define RAD2DEGREE (180/M_PI)