diff --git a/AntennaTracker/GCS_Mavlink.pde b/AntennaTracker/GCS_Mavlink.pde
index 6a3166f6aafe65b9c698411b66407d5c0cfb9bbf..6ab4a185ce49f50ea30a4fd4ea3c345b26a22f74 100644
--- a/AntennaTracker/GCS_Mavlink.pde
+++ b/AntennaTracker/GCS_Mavlink.pde
@@ -259,6 +259,11 @@ bool GCS_MAVLINK::try_send_message(enum ap_message id)
     case MSG_FENCE_STATUS:
     case MSG_WIND:
     case MSG_RANGEFINDER:
+    case MSG_TERRAIN:
+    case MSG_BATTERY2:
+    case MSG_CAMERA_FEEDBACK:
+    case MSG_MOUNT_STATUS:
+    case MSG_OPTICAL_FLOW:
         break; // just here to prevent a warning
     }
     return true;