PROXIMITY_NUM_LAYERS is defined in AP_Proximity_Boundary_3D
@ -24,7 +24,6 @@
#define PROXIMITY_MAX_IGNORE 6 // up to six areas can be ignored
#define PROXIMITY_MAX_DIRECTION 8
#define PROXIMITY_SENSOR_ID_START 10
#define PROXIMITY_NUM_LAYERS 5
class AP_Proximity_Backend;