diff --git a/ArduPlane/defines.h b/ArduPlane/defines.h
index 735ace5c89..78841dba43 100644
--- a/ArduPlane/defines.h
+++ b/ArduPlane/defines.h
@@ -110,7 +110,6 @@ enum ChannelMixing {
 // of these then existing logs will break! Only add at the end, and 
 // mark unused ones as 'deprecated', but leave them in
 enum log_messages {
-    LOG_INDEX_MSG,
     LOG_CTUN_MSG,
     LOG_NTUN_MSG,
     LOG_PERFORMANCE_MSG,
@@ -128,8 +127,7 @@ enum log_messages {
     LOG_SONAR_MSG,
     LOG_COMPASS2_MSG,
     LOG_ARM_DISARM_MSG,
-    LOG_AIRSPEED_MSG,
-    MAX_NUM_LOGS // always at the end
+    LOG_AIRSPEED_MSG
 };
 
 #define MASK_LOG_ATTITUDE_FAST          (1<<0)
diff --git a/ArduPlane/system.pde b/ArduPlane/system.pde
index 76201d6090..6802308c9a 100644
--- a/ArduPlane/system.pde
+++ b/ArduPlane/system.pde
@@ -181,12 +181,12 @@ static void init_ardupilot()
 	// Do GPS init
 	g_gps = &g_gps_driver;
     // GPS Initialization
-    g_gps->init(hal.uartB, GPS::GPS_ENGINE_AIRBORNE_4G);
+    g_gps->init(hal.uartB, GPS::GPS_ENGINE_AIRBORNE_4G, &DataFlash);
 
 #if GPS2_ENABLE
     if (hal.uartE != NULL) {
         g_gps2 = &g_gps2_driver;
-        g_gps2->init(hal.uartE, GPS::GPS_ENGINE_AIRBORNE_4G);
+        g_gps2->init(hal.uartE, GPS::GPS_ENGINE_AIRBORNE_4G, &DataFlash);
         g_gps2->set_secondary();
     }
 #endif