Index: firmware/App/Controllers/ConductivitySensors.c
===================================================================
diff -u -r5a882c7292cea58e74b5a28d4e85dd60e741b834 -r482f4465ccdb813922de506bf780e29f4fb2f84b
--- firmware/App/Controllers/ConductivitySensors.c	(.../ConductivitySensors.c)	(revision 5a882c7292cea58e74b5a28d4e85dd60e741b834)
+++ firmware/App/Controllers/ConductivitySensors.c	(.../ConductivitySensors.c)	(revision 482f4465ccdb813922de506bf780e29f4fb2f84b)
@@ -70,10 +70,11 @@
 
 // ********** private function prototypes **********
 
-static void processCPiCPoSensorRead( U32 sensorId, U32 fgpaRead, U08 fpgaReadCount, U08 fpgaErrorCount, U08 fpgaSensorFault );
+static F32 getConductivityValue( U32 sensorId );
 static F32 calcCompensatedConductivity( F32 conductivity, F32 temperature);
 static void calcRORejectionRatio( void );
-static DATA_GET_PROTOTYPE( U32, getConductivityDataPublishInterval );
+static void processCPiCPoSensorRead( U32 sensorId, U32 fgpaRead, U08 fpgaReadCount, U08 fpgaErrorCount, U08 fpgaSensorFault );
+static U32 getConductivityDataPublishInterval( void );
 
 /*********************************************************************//**
  * @brief
@@ -180,7 +181,7 @@
  * @param sensorId conductivity sensor id
  * @return compensated conductivity
  *************************************************************************/
-F32 getConductivityValue( U32 sensorId )
+static F32 getConductivityValue( U32 sensorId )
 {
     F32 result = 0.0;