Index: firmware/App/Services/MsgQueues.h
===================================================================
diff -u -r6c60d0d0300828750c76f2e397d4e7ccaa84bbb2 -r169b72cc9c959b53b40b48e9ce0a5f4aeca1de97
--- firmware/App/Services/MsgQueues.h	(.../MsgQueues.h)	(revision 6c60d0d0300828750c76f2e397d4e7ccaa84bbb2)
+++ firmware/App/Services/MsgQueues.h	(.../MsgQueues.h)	(revision 169b72cc9c959b53b40b48e9ce0a5f4aeca1de97)
@@ -32,9 +32,7 @@
 #pragma pack(push,1)
 typedef struct
 {
-#ifndef ACK_NOT_IMPLEMENTED
     S16 seqNo;                                  // sequence # (and ACK required bit) of message
-#endif
     U16 msgID;                                  // ID of message
     U08 payloadLen;                             // length of payload in bytes
 } MESSAGE_HEADER_T;