diff --git a/libraries/AP_Mount/AP_Mount.cpp b/libraries/AP_Mount/AP_Mount.cpp
index d0f01683ef..2a36c6de42 100644
--- a/libraries/AP_Mount/AP_Mount.cpp
+++ b/libraries/AP_Mount/AP_Mount.cpp
@@ -129,11 +129,6 @@ void AP_Mount::update_mount_position()
 	}
 
 	// write the results to the servos
-/*
-	G_RC_AUX(k_mount_roll)->angle_out(_roll_angle);
-	G_RC_AUX(k_mount_pitch)->angle_out(_pitch_angle);
-	G_RC_AUX(k_mount_yaw)->angle_out(_yaw_angle);
-*/
 	// closest_limit() takes degrees * 10 units
 	G_RC_AUX(k_mount_roll)->closest_limit(_roll_angle*10);
 	G_RC_AUX(k_mount_pitch)->closest_limit(_pitch_angle*10);
diff --git a/libraries/RC_Channel/RC_Channel_aux.cpp b/libraries/RC_Channel/RC_Channel_aux.cpp
index d55e98de5c..e7f259ceee 100644
--- a/libraries/RC_Channel/RC_Channel_aux.cpp
+++ b/libraries/RC_Channel/RC_Channel_aux.cpp
@@ -83,21 +83,6 @@ RC_Channel_aux::rc_input(float *control_angle, int16_t angle)
 	}
 }
 
-/// Takes the desired servo angle(deg) and converts to microSeconds for PWM
-/// Like this: 45 deg = 2000 us ; -45 deg/1000 us. 1000us/(90*100 deg) = 0.1111111111111
-void
-RC_Channel_aux::angle_out(int16_t angle)
-{
-	if(angle >= angle_max){
-		angle = angle_max;
-	}
-	if(angle <= angle_min){
-		angle = angle_min;
-	}
-	// Convert the angle*100 to pwm microseconds. 45 deg = 500 us.
-	radio_out = (/*_reverse * */ angle * 0.1111111) + 1500;
-}
-
 /// map a function to a servo channel and output it
 void
 RC_Channel_aux::output_ch(unsigned char ch_nr)
diff --git a/libraries/RC_Channel/RC_Channel_aux.h b/libraries/RC_Channel/RC_Channel_aux.h
index 36b4e71641..748386f700 100644
--- a/libraries/RC_Channel/RC_Channel_aux.h
+++ b/libraries/RC_Channel/RC_Channel_aux.h
@@ -53,8 +53,6 @@ public:
 
 	int16_t closest_limit(int16_t angle);
 
-	void angle_out(int16_t angle);
-
 	void rc_input(float *control_angle, int16_t angle);
 
 	void output_ch(unsigned char ch_nr);