diff --git a/conf/airframes/TUDelft/IMAV2013/ardrone2_raw.xml b/conf/airframes/TUDelft/IMAV2013/ardrone2_raw.xml
index 296ce37929..4bd506bb07 100644
--- a/conf/airframes/TUDelft/IMAV2013/ardrone2_raw.xml
+++ b/conf/airframes/TUDelft/IMAV2013/ardrone2_raw.xml
@@ -9,7 +9,6 @@
       <configure name="AHRS_PROPAGATE_FREQUENCY" value="200"/>
       <define name="AHRS_PROPAGATE_FREQUENCY" value="200"/>
       <define name="INS_PROPAGATE_FREQUENCY" value="200"/>
-      <define name="USE_BAROMETER"/>
       <define name="AUTOPILOT_DISABLE_AHRS_KILL"/>
 
       <define name="LINK_HOST" value="\\\"192.168.2.255\\\""/>
diff --git a/conf/airframes/ardrone2_raw.xml b/conf/airframes/ardrone2_raw.xml
index b71dd43411..7a8c7834fd 100644
--- a/conf/airframes/ardrone2_raw.xml
+++ b/conf/airframes/ardrone2_raw.xml
@@ -8,7 +8,6 @@
       <configure name="AHRS_PROPAGATE_FREQUENCY" value="200"/>
       <define name="AHRS_PROPAGATE_FREQUENCY" value="200"/>
       <define name="INS_PROPAGATE_FREQUENCY" value="200"/>
-      <define name="USE_BAROMETER"/>
       <define name="AUTOPILOT_DISABLE_AHRS_KILL"/>
       <subsystem name="telemetry" type="udp"/>
       <subsystem name="radio_control" type="datalink"/>