diff --git a/ArduPlane/ArduPlane.cpp b/ArduPlane/ArduPlane.cpp
index db645762af..9eef66315a 100644
--- a/ArduPlane/ArduPlane.cpp
+++ b/ArduPlane/ArduPlane.cpp
@@ -349,7 +349,7 @@ void Plane::one_second_loop()
     // sync MAVLink system ID
     mavlink_system.sysid = g.sysid_this_mav;
 
-    SRV_Channels::enable_aux_servos();
+    AP::srv().enable_aux_servos();
 
     // update notify flags
     AP_Notify::flags.pre_arm_check = arming.pre_arm_checks(false);
diff --git a/ArduPlane/radio.cpp b/ArduPlane/radio.cpp
index cb2048be6d..49835adcfd 100644
--- a/ArduPlane/radio.cpp
+++ b/ArduPlane/radio.cpp
@@ -107,7 +107,7 @@ void Plane::init_rc_out_main()
  */
 void Plane::init_rc_out_aux()
 {
-    SRV_Channels::enable_aux_servos();
+    AP::srv().enable_aux_servos();
 
     servos_output();
     
diff --git a/ArduPlane/servos.cpp b/ArduPlane/servos.cpp
index 49e3e07b46..1c862050a9 100644
--- a/ArduPlane/servos.cpp
+++ b/ArduPlane/servos.cpp
@@ -1050,7 +1050,7 @@ void Plane::servos_output(void)
 
     SRV_Channels::output_ch_all();
 
-    SRV_Channels::push();
+    AP::srv().push();
 
     if (g2.servo_channels.auto_trim_enabled()) {
         servos_auto_trim();