diff --git a/ArduPlane/GCS_Mavlink.pde b/ArduPlane/GCS_Mavlink.pde
index fd36e9be29..528cbcb652 100644
--- a/ArduPlane/GCS_Mavlink.pde
+++ b/ArduPlane/GCS_Mavlink.pde
@@ -1576,19 +1576,6 @@ void GCS_MAVLINK::handleMessage(mavlink_message_t* msg)
 #endif
         break;
         
-    default:
-        // forward unknown messages to the other link if there is one
-        for (uint8_t i=0; i<num_gcs; i++) {
-            if (gcs[i].initialised && i != (uint8_t)chan) {
-                mavlink_channel_t out_chan = (mavlink_channel_t)i;
-                // only forward if it would fit in the transmit buffer
-                if (comm_get_txspace(out_chan) > ((uint16_t)msg->len) + MAVLINK_NUM_NON_PAYLOAD_BYTES) {
-                    _mavlink_resend_uart(out_chan, msg);
-                }
-            }
-        }
-        break;
-
     } // end switch
 } // end handle mavlink