diff --git a/README.md b/README.md
index 89a32ca..7c721c5 100644
--- a/README.md
+++ b/README.md
@@ -86,7 +86,6 @@ Use the standard `climate` service calls to control or automate each unit. Avail
 - `climate.set_fan_mode`
 - `climate.set_hvac_mode`
 - `climate.set_swing_mode`
-- `climate.turn_on`
 - `climate.turn_off`
 
 Specific support and behavior can vary, depending on the capabilities of your indoor unit.
diff --git a/custom_components/kumo/climate.py b/custom_components/kumo/climate.py
index 9864441..1425d4c 100644
--- a/custom_components/kumo/climate.py
+++ b/custom_components/kumo/climate.py
@@ -155,8 +155,7 @@ def __init__(self, coordinator: KumoDataUpdateCoordinator):
         self._supported_features = (
             ClimateEntityFeature.TARGET_TEMPERATURE |
             ClimateEntityFeature.FAN_MODE |
-            ClimateEntityFeature.TURN_OFF |
-            ClimateEntityFeature.TURN_ON
+            ClimateEntityFeature.TURN_OFF
         )
         if self._pykumo.has_dry_mode():
             self._hvac_modes.append(HVACMode.DRY)
@@ -530,13 +529,6 @@ def set_fan_mode(self, fan_mode):
         response = self._pykumo.set_fan_speed(fan_mode)
         _LOGGER.debug("Kumo %s set fan speed response: %s", self._name, response)
 
-    def turn_on(self) -> None:
-        """Turn the climate on. This implements https://www.home-assistant.io/integrations/climate/#action-climateturn_on.
-
-        For now, turn it on to HVACMode.COOL which always exists in self._hvac_modes.
-        In the future, make the default "on" mode configurable."""
-        self.set_hvac_mode(HVACMode.COOL, caller="turn_on")
-
     def turn_off(self):
         """Turn the climate off. This implements https://www.home-assistant.io/integrations/climate/#action-climateturn_off."""
         self.set_hvac_mode(HVACMode.OFF, caller="turn_off")