diff --git a/conf/messages.xml b/conf/messages.xml
index f563e4f690..292fcfefb4 100644
--- a/conf/messages.xml
+++ b/conf/messages.xml
@@ -9,12 +9,10 @@
    </message>
 
    <message name="ALIVE" id="2">
-     <description>alive/heartbeat message containing the MD5sum of the aircraft configuration</description>
      <field name="md5sum" type="uint8[]"/>
    </message>
 
    <message name="PONG" id="3">
-     <description>Answer to PING datalink message, to measure latencies</description>
    </message>
 
    <message name="TAKEOFF" id="4">