diff --git a/ArduPlane/GCS_Mavlink.cpp b/ArduPlane/GCS_Mavlink.cpp
index 1171add4ad..6fc8ca25f8 100644
--- a/ArduPlane/GCS_Mavlink.cpp
+++ b/ArduPlane/GCS_Mavlink.cpp
@@ -589,7 +589,6 @@ static const ap_message STREAM_EXTRA3_msgs[] = {
 #if AP_TERRAIN_AVAILABLE
     MSG_TERRAIN,
 #endif
-    MSG_BATTERY2,
     MSG_BATTERY_STATUS,
     MSG_GIMBAL_DEVICE_ATTITUDE_STATUS,
     MSG_OPTICAL_FLOW,