diff --git a/custom_components/econet300/const.py b/custom_components/econet300/const.py
index 047685f..1bc1158 100644
--- a/custom_components/econet300/const.py
+++ b/custom_components/econet300/const.py
@@ -210,7 +210,6 @@
     "mixerSetTemp": SensorDeviceClass.TEMPERATURE,
     "tempBack": SensorDeviceClass.TEMPERATURE,
     "tempCWU": SensorDeviceClass.TEMPERATURE,
-    "mode": "DEVICE_CLASS_OPERATION_MODE",
     "tempUpperBuffer": SensorDeviceClass.TEMPERATURE,
     "tempLowerBuffer": SensorDeviceClass.TEMPERATURE,
     "signal": SensorDeviceClass.SIGNAL_STRENGTH,