Index: firmware/App/Controllers/ConductivitySensors.h
===================================================================
diff -u -r43fcf6140ca7b3ec665067653a7d64dce65d71d4 -r5cfa1f3d17db625f92f046868812717e3f1f51c3
--- firmware/App/Controllers/ConductivitySensors.h	(.../ConductivitySensors.h)	(revision 43fcf6140ca7b3ec665067653a7d64dce65d71d4)
+++ firmware/App/Controllers/ConductivitySensors.h	(.../ConductivitySensors.h)	(revision 5cfa1f3d17db625f92f046868812717e3f1f51c3)
@@ -36,8 +36,6 @@
 {
     CONDUCTIVITYSENSORS_CPI_SENSOR = 0,  ///< Inlet water conductivity sensor.
     CONDUCTIVITYSENSORS_CPO_SENSOR,      ///< Outlet water conductivity sensor.
-    CONDUCTIVITYSENSORS_CD1_SENSOR,      ///< Acid concentration conductivity sensor.
-    CONDUCTIVITYSENSORS_CD2_SENSOR,      ///< Bicarb concentration conductivity sensor.
     NUM_OF_CONDUCTIVITY_SENSORS          ///< Number of conductivity sensors.
 } CONDUCTIVITY_SENSORS_T;