diff --git a/boards/bitcraze/crazyflie/src/board_config.h b/boards/bitcraze/crazyflie/src/board_config.h
index 5b9529a682..b69a021a15 100644
--- a/boards/bitcraze/crazyflie/src/board_config.h
+++ b/boards/bitcraze/crazyflie/src/board_config.h
@@ -140,15 +140,7 @@
 
 #define PX4_PWM_ALTERNATE_RANGES
 #define PWM_LOWEST_MIN 0
-#define PWM_MOTOR_OFF	0
-#define PWM_SERVO_STOP	0
-#define PWM_DEFAULT_MIN 20
-#define PWM_HIGHEST_MIN 0
 #define PWM_HIGHEST_MAX 255
-#define PWM_DEFAULT_MAX 255
-#define PWM_LOWEST_MAX 255
-#define PWM_DEFAULT_TRIM 1500
-
 
 /* High-resolution timer */
 #define HRT_TIMER		8	/* use timer8 for the HRT */
diff --git a/boards/bitcraze/crazyflie21/src/board_config.h b/boards/bitcraze/crazyflie21/src/board_config.h
index a8ee6029c2..b636bfd08c 100644
--- a/boards/bitcraze/crazyflie21/src/board_config.h
+++ b/boards/bitcraze/crazyflie21/src/board_config.h
@@ -141,15 +141,7 @@
 
 #define PX4_PWM_ALTERNATE_RANGES
 #define PWM_LOWEST_MIN 0
-#define PWM_MOTOR_OFF	0
-#define PWM_SERVO_STOP	0
-#define PWM_DEFAULT_MIN 20
-#define PWM_HIGHEST_MIN 0
 #define PWM_HIGHEST_MAX 255
-#define PWM_DEFAULT_MAX 255
-#define PWM_LOWEST_MAX 255
-#define PWM_DEFAULT_TRIM 1500
-
 
 /* High-resolution timer */
 #define HRT_TIMER		8	/* use timer8 for the HRT */
diff --git a/src/drivers/drv_pwm_output.h b/src/drivers/drv_pwm_output.h
index 13251bfebd..6aedf298a3 100644
--- a/src/drivers/drv_pwm_output.h
+++ b/src/drivers/drv_pwm_output.h
@@ -61,41 +61,11 @@ __BEGIN_DECLS
  */
 #define PWM_LOWEST_MIN 90
 
-/**
- * Default value for a shutdown motor
- */
-#define PWM_MOTOR_OFF	900
-
-/**
- * Default minimum PWM in us
- */
-#define PWM_DEFAULT_MIN 1000
-
-/**
- * Highest PWM allowed as the minimum PWM
- */
-#define PWM_HIGHEST_MIN 1600
-
 /**
  * Highest maximum PWM in us
  */
 #define PWM_HIGHEST_MAX 2500
 
-/**
- * Default maximum PWM in us
- */
-#define PWM_DEFAULT_MAX 2000
-
-/**
- * Default trim PWM in us
- */
-#define PWM_DEFAULT_TRIM 0
-
-/**
- * Lowest PWM allowed as the maximum PWM
- */
-#define PWM_LOWEST_MAX 200
-
 #endif // not PX4_PWM_ALTERNATE_RANGES
 
 /**