diff --git a/libraries/AP_Motors/AP_MotorsTri.cpp b/libraries/AP_Motors/AP_MotorsTri.cpp
index 3cab6084b0..525af754c4 100644
--- a/libraries/AP_Motors/AP_MotorsTri.cpp
+++ b/libraries/AP_Motors/AP_MotorsTri.cpp
@@ -252,13 +252,6 @@ void AP_MotorsTri::output_armed_stabilizing()
     hal.rcout->push();
 }
 
-// output_disarmed - sends commands to the motors
-void AP_MotorsTri::output_disarmed()
-{
-    // Send minimum values to all motors
-    output_min();
-}
-
 // output_test - spin a motor at the pwm value specified
 //  motor_seq is the motor's sequence number from 1 to the number of motors on the frame
 //  pwm value is an actual pwm value that will be output, normally in the range of 1000 ~ 2000
diff --git a/libraries/AP_Motors/AP_MotorsTri.h b/libraries/AP_Motors/AP_MotorsTri.h
index 58ce6e4583..5cf293463a 100644
--- a/libraries/AP_Motors/AP_MotorsTri.h
+++ b/libraries/AP_Motors/AP_MotorsTri.h
@@ -50,7 +50,6 @@ public:
 protected:
     // output - sends commands to the motors
     void                output_armed_stabilizing();
-    void                output_disarmed();
 
     // calc_yaw_radio_output - calculate final radio output for yaw channel
     int16_t             calc_yaw_radio_output();        // calculate radio output for yaw servo, typically in range of 1100-1900