diff --git a/ArduCopter/ArduCopter.pde b/ArduCopter/ArduCopter.pde
index e3a3debffb..4b32ce736e 100644
--- a/ArduCopter/ArduCopter.pde
+++ b/ArduCopter/ArduCopter.pde
@@ -759,7 +759,7 @@ static float G_Dt = 0.02;
 ////////////////////////////////////////////////////////////////////////////////
 // Inertial Navigation
 ////////////////////////////////////////////////////////////////////////////////
-static AP_InertialNav inertial_nav(&ahrs, &ins, &barometer, g_gps, gps_glitch);
+static AP_InertialNav inertial_nav(&ahrs, &barometer, g_gps, gps_glitch);
 
 ////////////////////////////////////////////////////////////////////////////////
 // Waypoint navigation object