diff --git a/src/devices/thermostat.h b/src/devices/thermostat.h
index db2cad313..516af32c8 100644
--- a/src/devices/thermostat.h
+++ b/src/devices/thermostat.h
@@ -71,7 +71,6 @@ class Thermostat : public EMSdevice {
         uint8_t party;
         int8_t  noreducetemp; // signed -20°C to +10°C
         int8_t  reducetemp;
-        int8_t  reducetemp1;
         int8_t  vacreducetemp;
         uint8_t vacreducemode;
         uint8_t wwprio;