Index: firmware/App/Services/SystemComm.h
===================================================================
diff -u -r2e6c750c202b7361d79488ce383e34f380e75413 -r169b72cc9c959b53b40b48e9ce0a5f4aeca1de97
--- firmware/App/Services/SystemComm.h	(.../SystemComm.h)	(revision 2e6c750c202b7361d79488ce383e34f380e75413)
+++ firmware/App/Services/SystemComm.h	(.../SystemComm.h)	(revision 169b72cc9c959b53b40b48e9ce0a5f4aeca1de97)
@@ -53,8 +53,6 @@
 BOOL isDGCommunicating( void );
 BOOL isUICommunicating( void );
 BOOL uiCommunicated( void );
-#ifndef ACK_NOT_IMPLEMENTED
 BOOL addMsgToPendingACKList( MESSAGE_T *msg, COMM_BUFFER_T channel, U08 *msgData, U32 len );
-#endif
 
 #endif