diff --git a/libraries/AP_Motors/AP_Motors_Class.h b/libraries/AP_Motors/AP_Motors_Class.h
index ffca12a3f3..d5b24420e5 100644
--- a/libraries/AP_Motors/AP_Motors_Class.h
+++ b/libraries/AP_Motors/AP_Motors_Class.h
@@ -77,8 +77,7 @@ public:
     enum spool_up_down_desired {
         DESIRED_SHUT_DOWN = 0,              // all motors stop
         DESIRED_SPIN_WHEN_ARMED = 1,        // all motors at spin when armed
-        DESIRED_SPIN_MIN_THROTTLE = 2,      // all motors at min throttle
-        DESIRED_THROTTLE_UNLIMITED = 3,     // motors are no longer constrained by start up procedure
+        DESIRED_THROTTLE_UNLIMITED = 2,     // motors are no longer constrained by start up procedure
     };
 
     virtual void set_desired_spool_state(enum spool_up_down_desired spool) { _spool_desired = spool; };