diff --git a/Mk2_3phase_RFdatalog_temp/config.h b/Mk2_3phase_RFdatalog_temp/config.h
index 7bea63d..47bedf5 100644
--- a/Mk2_3phase_RFdatalog_temp/config.h
+++ b/Mk2_3phase_RFdatalog_temp/config.h
@@ -81,8 +81,6 @@ inline constexpr uint8_t rotationPin{ 0xff };   /**< if LOW, trigger a load prio
 inline constexpr uint8_t forcePin{ 0xff };      /**< for 3-phase PCB, force pin */
 inline constexpr uint8_t watchDogPin{ 0xff };   /**< watch dog LED */
 
-inline constexpr uint8_t tempSensorPin{ 0xff }; /**< for 3-phase PCB, sensor pin */
-
 inline constexpr RelayEngine relays{ { { 0xff, 1000, 200, 1, 1 } } }; /**< config for relay diversion, see class definition for defaults and advanced options */
 
 inline constexpr uint8_t ul_OFF_PEAK_DURATION{ 8 };                        /**< Duration of the off-peak period in hours */