diff --git a/components/connectivity/mqtt/MQTTPacket/src/MQTTDeserializePublish.c b/components/connectivity/mqtt/MQTTPacket/src/MQTTDeserializePublish.c
index 0e273e879da13303849b2d72ae5d135970b5d827..7ad34a25ad72a8959fc3150d9a46505a28a9dca0 100644
--- a/components/connectivity/mqtt/MQTTPacket/src/MQTTDeserializePublish.c
+++ b/components/connectivity/mqtt/MQTTPacket/src/MQTTDeserializePublish.c
@@ -56,8 +56,6 @@ int MQTTDeserialize_publish(unsigned char *dup, int *qos, unsigned char *retaine
     if (!readMQTTLenString(topicName, &curdata, enddata) ||
             ((enddata - curdata) <= 0)) /* do we have enough data to read the protocol version byte? */
         goto exit;
-    if ((enddata - curdata) >= 2)
-	    *packetid = readInt(&curdata);
 
     if (*qos > 0)
         *packetid = readInt(&curdata);