Index: firmware/App/HDCommon.h
===================================================================
diff -u -r7de1ffc01a8b979c8e9c1bb9020a768ab62f0320 -rb10be90b122eece9f2a300ede726bff6ced43ff0
--- firmware/App/HDCommon.h	(.../HDCommon.h)	(revision 7de1ffc01a8b979c8e9c1bb9020a768ab62f0320)
+++ firmware/App/HDCommon.h	(.../HDCommon.h)	(revision b10be90b122eece9f2a300ede726bff6ced43ff0)
@@ -46,7 +46,6 @@
 //    #define DISABLE_ACCELS                  1           // Disable accelerometer POST and monitoring
 //    #define DISABLE_CRC_ERROR               1           // Do not error on bad CRC for CAN messages
     #define DISABLE_ACK_ERRORS              1           // Do not error on failure of other node(s) to ACK a message
-//    #define USE_FMD_FLOW_SENSOR             1           // Use FMD flow sensor (on HD) instead of FMD on DG
 //    #define RUN_BP_OPEN_LOOP                1           // Run blood pump in open loop mode
 //    #define RUN_DPI_OPEN_LOOP               1           // Run dialysate inlet pump in open loop mode
     #define WORN_OUT_CARTRIDGE              1           // Running with an old worn out cartridge (max wear)