diff --git a/ArduPlane/ArduPlane.cpp b/ArduPlane/ArduPlane.cpp
index c3b934dedb..0b670f5fb5 100644
--- a/ArduPlane/ArduPlane.cpp
+++ b/ArduPlane/ArduPlane.cpp
@@ -85,7 +85,6 @@ const AP_Scheduler::Task Plane::scheduler_tasks[] = {
     SCHED_TASK(terrain_update,         10,    200),
     SCHED_TASK(update_is_flying_5Hz,    5,    100),
     SCHED_TASK(dataflash_periodic,     50,    400),
-    SCHED_TASK(adsb_update,            10,    100),
     SCHED_TASK(button_update,           5,    100),
 };
 
diff --git a/ArduPlane/Plane.h b/ArduPlane/Plane.h
index fe1da8436b..a01d7d899f 100644
--- a/ArduPlane/Plane.h
+++ b/ArduPlane/Plane.h
@@ -1027,7 +1027,6 @@ private:
     void update_logging1(void);
     void update_logging2(void);
     void terrain_update(void);
-    void adsb_update(void);
     void update_flight_mode(void);
     void stabilize();
     void set_servos_idle(void);
diff --git a/ArduPlane/adsb.cpp b/ArduPlane/adsb.cpp
deleted file mode 100644
index a28e296b1d..0000000000
--- a/ArduPlane/adsb.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
-/*
- * adsb.cpp
- * Copyright (C) Tom Pittenger 2015
- *
- * This file is free software: you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This file is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- * See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "Plane.h"
-
-/*
- *  this module deals with ADS-B handling for ArduPlane
- *  ADS-B is an RF based collision avoidance protocol to tell nearby aircraft your location
- *  https://en.wikipedia.org/wiki/Automatic_dependent_surveillance_%E2%80%93_broadcast
- *
- */
-
-/*
-  handle periodic adsb database maintenance
- */
-void Plane::adsb_update(void)
-{
-    adsb.update();
-}
-