diff --git a/ArduPlane/system.pde b/ArduPlane/system.pde
index 7cfcd5042a..5f7ebf9d9b 100644
--- a/ArduPlane/system.pde
+++ b/ArduPlane/system.pde
@@ -193,7 +193,6 @@ static void init_ardupilot()
 	g_gps = &g_gps_driver;
     // GPS Initialization
     g_gps->init(GPS::GPS_ENGINE_AIRBORNE_4G);
-    g_gps->callback = mavlink_delay;
 
     //mavlink_system.sysid = MAV_SYSTEM_ID;				// Using g.sysid_this_mav
     mavlink_system.compid = 1;          //MAV_COMP_ID_IMU;   // We do not check for comp id