diff --git a/homeassistant/components/adax/climate.py b/homeassistant/components/adax/climate.py
index ac381ff46d5..15022ba3c9f 100644
--- a/homeassistant/components/adax/climate.py
+++ b/homeassistant/components/adax/climate.py
@@ -75,7 +75,6 @@ class AdaxDevice(ClimateEntity):
     )
     _attr_target_temperature_step = PRECISION_WHOLE
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, heater_data: dict[str, Any], adax_data_handler: Adax) -> None:
         """Initialize the heater."""
diff --git a/homeassistant/components/advantage_air/climate.py b/homeassistant/components/advantage_air/climate.py
index 8da46cc7463..d07a3182ed7 100644
--- a/homeassistant/components/advantage_air/climate.py
+++ b/homeassistant/components/advantage_air/climate.py
@@ -102,7 +102,6 @@ class AdvantageAirAC(AdvantageAirAcEntity, ClimateEntity):
     _attr_max_temp = 32
     _attr_min_temp = 16
     _attr_name = None
-    _enable_turn_on_off_backwards_compatibility = False
     _support_preset = ClimateEntityFeature(0)
 
     def __init__(self, instance: AdvantageAirData, ac_key: str) -> None:
@@ -261,7 +260,6 @@ class AdvantageAirZone(AdvantageAirZoneEntity, ClimateEntity):
     _attr_target_temperature_step = PRECISION_WHOLE
     _attr_max_temp = 32
     _attr_min_temp = 16
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, instance: AdvantageAirData, ac_key: str, zone_key: str) -> None:
         """Initialize an AdvantageAir Zone control."""
diff --git a/homeassistant/components/airtouch4/climate.py b/homeassistant/components/airtouch4/climate.py
index dbb6f02859b..0af920bd7a9 100644
--- a/homeassistant/components/airtouch4/climate.py
+++ b/homeassistant/components/airtouch4/climate.py
@@ -95,7 +95,6 @@ class AirtouchAC(CoordinatorEntity, ClimateEntity):
         | ClimateEntityFeature.TURN_ON
     )
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator, ac_number, info):
         """Initialize the climate device."""
@@ -205,7 +204,6 @@ class AirtouchGroup(CoordinatorEntity, ClimateEntity):
     )
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_hvac_modes = AT_GROUP_MODES
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator, group_number, info):
         """Initialize the climate device."""
diff --git a/homeassistant/components/airtouch5/climate.py b/homeassistant/components/airtouch5/climate.py
index dfc34c1beaf..16566f5d664 100644
--- a/homeassistant/components/airtouch5/climate.py
+++ b/homeassistant/components/airtouch5/climate.py
@@ -124,7 +124,6 @@ class Airtouch5ClimateEntity(ClimateEntity, Airtouch5Entity):
     _attr_translation_key = DOMAIN
     _attr_target_temperature_step = 1
     _attr_name = None
-    _enable_turn_on_off_backwards_compatibility = False
 
 
 class Airtouch5AC(Airtouch5ClimateEntity):
diff --git a/homeassistant/components/airzone/climate.py b/homeassistant/components/airzone/climate.py
index 6be7416bbb0..4ed54286cff 100644
--- a/homeassistant/components/airzone/climate.py
+++ b/homeassistant/components/airzone/climate.py
@@ -136,7 +136,6 @@ class AirzoneClimate(AirzoneZoneEntity, ClimateEntity):
     _attr_name = None
     _speeds: dict[int, str] = {}
     _speeds_reverse: dict[str, int] = {}
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,
diff --git a/homeassistant/components/airzone_cloud/climate.py b/homeassistant/components/airzone_cloud/climate.py
index 5ee15ff6819..b98473072e4 100644
--- a/homeassistant/components/airzone_cloud/climate.py
+++ b/homeassistant/components/airzone_cloud/climate.py
@@ -177,7 +177,6 @@ class AirzoneClimate(AirzoneEntity, ClimateEntity):
 
     _attr_name = None
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     def _init_attributes(self) -> None:
         """Init common climate device attributes."""
diff --git a/homeassistant/components/atag/climate.py b/homeassistant/components/atag/climate.py
index daeb64f7f0a..a362b71fbc8 100644
--- a/homeassistant/components/atag/climate.py
+++ b/homeassistant/components/atag/climate.py
@@ -46,7 +46,6 @@ class AtagThermostat(AtagEntity, ClimateEntity):
     _attr_supported_features = (
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.PRESET_MODE
     )
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator: AtagDataUpdateCoordinator, atag_id: str) -> None:
         """Initialize an Atag climate device."""
diff --git a/homeassistant/components/baf/climate.py b/homeassistant/components/baf/climate.py
index 38407813d37..c30d49e8c9d 100644
--- a/homeassistant/components/baf/climate.py
+++ b/homeassistant/components/baf/climate.py
@@ -40,7 +40,6 @@ class BAFAutoComfort(BAFEntity, ClimateEntity):
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_hvac_modes = [HVACMode.OFF, HVACMode.FAN_ONLY]
     _attr_translation_key = "auto_comfort"
-    _enable_turn_on_off_backwards_compatibility = False
 
     @callback
     def _async_update_attrs(self) -> None:
diff --git a/homeassistant/components/balboa/climate.py b/homeassistant/components/balboa/climate.py
index d27fd459676..76b02f0e165 100644
--- a/homeassistant/components/balboa/climate.py
+++ b/homeassistant/components/balboa/climate.py
@@ -65,7 +65,6 @@ class BalboaClimateEntity(BalboaEntity, ClimateEntity):
     )
     _attr_translation_key = DOMAIN
     _attr_name = None
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, client: SpaClient) -> None:
         """Initialize the climate entity."""
diff --git a/homeassistant/components/blebox/climate.py b/homeassistant/components/blebox/climate.py
index e04503974b7..2c528d50e3e 100644
--- a/homeassistant/components/blebox/climate.py
+++ b/homeassistant/components/blebox/climate.py
@@ -57,7 +57,6 @@ class BleBoxClimateEntity(BleBoxEntity[blebox_uniapi.climate.Climate], ClimateEn
         | ClimateEntityFeature.TURN_ON
     )
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     @property
     def hvac_modes(self):
diff --git a/homeassistant/components/broadlink/climate.py b/homeassistant/components/broadlink/climate.py
index dbfd982795c..25a6bbd60a5 100644
--- a/homeassistant/components/broadlink/climate.py
+++ b/homeassistant/components/broadlink/climate.py
@@ -52,7 +52,6 @@ class BroadlinkThermostat(BroadlinkEntity, ClimateEntity):
     )
     _attr_target_temperature_step = PRECISION_HALVES
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, device: BroadlinkDevice) -> None:
         """Initialize the climate entity."""
diff --git a/homeassistant/components/bryant_evolution/climate.py b/homeassistant/components/bryant_evolution/climate.py
index dd31097a1ee..2d54ced8217 100644
--- a/homeassistant/components/bryant_evolution/climate.py
+++ b/homeassistant/components/bryant_evolution/climate.py
@@ -77,7 +77,6 @@ class BryantEvolutionClimate(ClimateEntity):
         HVACMode.OFF,
     ]
     _attr_fan_modes = ["auto", "low", "med", "high"]
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,
diff --git a/homeassistant/components/bsblan/climate.py b/homeassistant/components/bsblan/climate.py
index 6d992da395a..2833d6549b4 100644
--- a/homeassistant/components/bsblan/climate.py
+++ b/homeassistant/components/bsblan/climate.py
@@ -65,7 +65,6 @@ class BSBLANClimate(BSBLanEntity, ClimateEntity):
 
     _attr_preset_modes = PRESET_MODES
     _attr_hvac_modes = HVAC_MODES
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,
diff --git a/homeassistant/components/ccm15/climate.py b/homeassistant/components/ccm15/climate.py
index a6e5d2cab61..3db8c3e1016 100644
--- a/homeassistant/components/ccm15/climate.py
+++ b/homeassistant/components/ccm15/climate.py
@@ -70,7 +70,6 @@ class CCM15Climate(CoordinatorEntity[CCM15Coordinator], ClimateEntity):
         | ClimateEntityFeature.TURN_ON
     )
     _attr_name = None
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self, ac_host: str, ac_index: int, coordinator: CCM15Coordinator
diff --git a/homeassistant/components/comelit/climate.py b/homeassistant/components/comelit/climate.py
index 0b88367c0fa..6dc7c7e26d9 100644
--- a/homeassistant/components/comelit/climate.py
+++ b/homeassistant/components/comelit/climate.py
@@ -100,7 +100,6 @@ class ComelitClimateEntity(CoordinatorEntity[ComelitSerialBridge], ClimateEntity
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_has_entity_name = True
     _attr_name = None
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,
diff --git a/homeassistant/components/coolmaster/climate.py b/homeassistant/components/coolmaster/climate.py
index d3cb7122109..29be416d57e 100644
--- a/homeassistant/components/coolmaster/climate.py
+++ b/homeassistant/components/coolmaster/climate.py
@@ -55,7 +55,6 @@ class CoolmasterClimate(CoolmasterEntity, ClimateEntity):
     """Representation of a coolmaster climate device."""
 
     _attr_name = None
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator, unit_id, info, supported_modes):
         """Initialize the climate device."""
diff --git a/homeassistant/components/daikin/climate.py b/homeassistant/components/daikin/climate.py
index 39e92ab1921..751683656f2 100644
--- a/homeassistant/components/daikin/climate.py
+++ b/homeassistant/components/daikin/climate.py
@@ -104,7 +104,6 @@ class DaikinClimate(DaikinEntity, ClimateEntity):
     _attr_target_temperature_step = 1
     _attr_fan_modes: list[str]
     _attr_swing_modes: list[str]
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator: DaikinCoordinator) -> None:
         """Initialize the climate device."""
diff --git a/homeassistant/components/deconz/climate.py b/homeassistant/components/deconz/climate.py
index 1e228dc6c48..690f943379d 100644
--- a/homeassistant/components/deconz/climate.py
+++ b/homeassistant/components/deconz/climate.py
@@ -101,7 +101,6 @@ class DeconzThermostat(DeconzDevice[Thermostat], ClimateEntity):
     TYPE = CLIMATE_DOMAIN
 
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, device: Thermostat, hub: DeconzHub) -> None:
         """Set up thermostat device."""
diff --git a/homeassistant/components/demo/climate.py b/homeassistant/components/demo/climate.py
index 5424591f021..d5b763caa5a 100644
--- a/homeassistant/components/demo/climate.py
+++ b/homeassistant/components/demo/climate.py
@@ -98,7 +98,6 @@ class DemoClimate(ClimateEntity):
     _attr_name = None
     _attr_should_poll = False
     _attr_translation_key = "ubercool"
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,
diff --git a/homeassistant/components/devolo_home_control/climate.py b/homeassistant/components/devolo_home_control/climate.py
index 29177ae2437..1f407eb6804 100644
--- a/homeassistant/components/devolo_home_control/climate.py
+++ b/homeassistant/components/devolo_home_control/climate.py
@@ -56,7 +56,6 @@ class DevoloClimateDeviceEntity(DevoloMultiLevelSwitchDeviceEntity, ClimateEntit
     _attr_precision = PRECISION_TENTHS
     _attr_hvac_mode = HVACMode.HEAT
     _attr_hvac_modes = [HVACMode.HEAT]
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self, homecontrol: HomeControl, device_instance: Zwave, element_uid: str
diff --git a/homeassistant/components/duotecno/climate.py b/homeassistant/components/duotecno/climate.py
index 77b602c8716..0355d2855d3 100644
--- a/homeassistant/components/duotecno/climate.py
+++ b/homeassistant/components/duotecno/climate.py
@@ -57,7 +57,6 @@ class DuotecnoClimate(DuotecnoEntity, ClimateEntity):
     _attr_hvac_modes = list(HVACMODE_REVERSE)
     _attr_preset_modes = list(PRESETMODES)
     _attr_translation_key = "duotecno"
-    _enable_turn_on_off_backwards_compatibility = False
 
     @property
     def current_temperature(self) -> float | None:
diff --git a/homeassistant/components/ecobee/climate.py b/homeassistant/components/ecobee/climate.py
index 6a9ec0d5db9..709926d8496 100644
--- a/homeassistant/components/ecobee/climate.py
+++ b/homeassistant/components/ecobee/climate.py
@@ -353,7 +353,6 @@ class Thermostat(ClimateEntity):
     _attr_fan_modes = [FAN_AUTO, FAN_ON]
     _attr_name = None
     _attr_has_entity_name = True
-    _enable_turn_on_off_backwards_compatibility = False
     _attr_translation_key = "ecobee"
 
     def __init__(
diff --git a/homeassistant/components/econet/climate.py b/homeassistant/components/econet/climate.py
index bac123bf206..cdf82f6817f 100644
--- a/homeassistant/components/econet/climate.py
+++ b/homeassistant/components/econet/climate.py
@@ -68,7 +68,6 @@ class EcoNetThermostat(EcoNetEntity, ClimateEntity):
 
     _attr_should_poll = True
     _attr_temperature_unit = UnitOfTemperature.FAHRENHEIT
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, thermostat):
         """Initialize."""
diff --git a/homeassistant/components/electrasmart/climate.py b/homeassistant/components/electrasmart/climate.py
index 81a07545a30..04e4742554b 100644
--- a/homeassistant/components/electrasmart/climate.py
+++ b/homeassistant/components/electrasmart/climate.py
@@ -111,7 +111,6 @@ class ElectraClimateEntity(ClimateEntity):
     _attr_hvac_modes = ELECTRA_MODES
     _attr_has_entity_name = True
     _attr_name = None
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, device: ElectraAirConditioner, api: ElectraAPI) -> None:
         """Initialize Electra climate entity."""
diff --git a/homeassistant/components/elkm1/climate.py b/homeassistant/components/elkm1/climate.py
index bf5650f237b..1448acc6079 100644
--- a/homeassistant/components/elkm1/climate.py
+++ b/homeassistant/components/elkm1/climate.py
@@ -90,7 +90,6 @@ class ElkThermostat(ElkEntity, ClimateEntity):
     _attr_target_temperature_step = 1
     _attr_fan_modes = [FAN_AUTO, FAN_ON]
     _element: Thermostat
-    _enable_turn_on_off_backwards_compatibility = False
 
     @property
     def temperature_unit(self) -> str:
diff --git a/homeassistant/components/ephember/climate.py b/homeassistant/components/ephember/climate.py
index 44e5986970d..cedad8b76e2 100644
--- a/homeassistant/components/ephember/climate.py
+++ b/homeassistant/components/ephember/climate.py
@@ -84,7 +84,6 @@ class EphEmberThermostat(ClimateEntity):
 
     _attr_hvac_modes = OPERATION_LIST
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, ember, zone):
         """Initialize the thermostat."""
diff --git a/homeassistant/components/escea/climate.py b/homeassistant/components/escea/climate.py
index 555da1494d7..c3fb0015e68 100644
--- a/homeassistant/components/escea/climate.py
+++ b/homeassistant/components/escea/climate.py
@@ -89,7 +89,6 @@ class ControllerEntity(ClimateEntity):
     )
     _attr_target_temperature_step = PRECISION_WHOLE
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, controller: Controller) -> None:
         """Initialise ControllerDevice."""
diff --git a/homeassistant/components/esphome/climate.py b/homeassistant/components/esphome/climate.py
index 1b9b53f24cd..8089fc4712a 100644
--- a/homeassistant/components/esphome/climate.py
+++ b/homeassistant/components/esphome/climate.py
@@ -129,7 +129,6 @@ class EsphomeClimateEntity(EsphomeEntity[ClimateInfo, ClimateState], ClimateEnti
 
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_translation_key = "climate"
-    _enable_turn_on_off_backwards_compatibility = False
 
     @callback
     def _on_static_info_update(self, static_info: EntityInfo) -> None:
diff --git a/homeassistant/components/evohome/climate.py b/homeassistant/components/evohome/climate.py
index 1388585bc17..c71831fa4bc 100644
--- a/homeassistant/components/evohome/climate.py
+++ b/homeassistant/components/evohome/climate.py
@@ -150,7 +150,6 @@ class EvoClimateEntity(EvoDevice, ClimateEntity):
 
     _attr_hvac_modes = [HVACMode.OFF, HVACMode.HEAT]
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
 
 class EvoZone(EvoChild, EvoClimateEntity):
diff --git a/homeassistant/components/fibaro/climate.py b/homeassistant/components/fibaro/climate.py
index 0bfc2223317..2541781773c 100644
--- a/homeassistant/components/fibaro/climate.py
+++ b/homeassistant/components/fibaro/climate.py
@@ -128,8 +128,6 @@ async def async_setup_entry(
 class FibaroThermostat(FibaroEntity, ClimateEntity):
     """Representation of a Fibaro Thermostat."""
 
-    _enable_turn_on_off_backwards_compatibility = False
-
     def __init__(self, fibaro_device: DeviceModel) -> None:
         """Initialize the Fibaro device."""
         super().__init__(fibaro_device)
diff --git a/homeassistant/components/flexit/climate.py b/homeassistant/components/flexit/climate.py
index d456fbef6fc..8be5df4eca7 100644
--- a/homeassistant/components/flexit/climate.py
+++ b/homeassistant/components/flexit/climate.py
@@ -70,7 +70,6 @@ class Flexit(ClimateEntity):
         ClimateEntityFeature.TARGET_TEMPERATURE | ClimateEntityFeature.FAN_MODE
     )
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self, hub: ModbusHub, modbus_slave: int | None, name: str | None
diff --git a/homeassistant/components/flexit_bacnet/climate.py b/homeassistant/components/flexit_bacnet/climate.py
index 0526a0d6bd3..a2291dea9d6 100644
--- a/homeassistant/components/flexit_bacnet/climate.py
+++ b/homeassistant/components/flexit_bacnet/climate.py
@@ -74,7 +74,6 @@ class FlexitClimateEntity(FlexitEntity, ClimateEntity):
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_max_temp = MAX_TEMP
     _attr_min_temp = MIN_TEMP
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(self, coordinator: FlexitCoordinator) -> None:
         """Initialize the Flexit unit."""
diff --git a/homeassistant/components/freedompro/climate.py b/homeassistant/components/freedompro/climate.py
index d534db7e858..a5b0144ce0c 100644
--- a/homeassistant/components/freedompro/climate.py
+++ b/homeassistant/components/freedompro/climate.py
@@ -73,7 +73,6 @@ class Device(CoordinatorEntity[FreedomproDataUpdateCoordinator], ClimateEntity):
     _attr_current_temperature = 0
     _attr_target_temperature = 0
     _attr_hvac_mode = HVACMode.OFF
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,
diff --git a/homeassistant/components/fritzbox/climate.py b/homeassistant/components/fritzbox/climate.py
index 924d92d6c5b..d5a81fdef1a 100644
--- a/homeassistant/components/fritzbox/climate.py
+++ b/homeassistant/components/fritzbox/climate.py
@@ -88,7 +88,6 @@ class FritzboxThermostat(FritzBoxDeviceEntity, ClimateEntity):
     _attr_precision = PRECISION_HALVES
     _attr_temperature_unit = UnitOfTemperature.CELSIUS
     _attr_translation_key = "thermostat"
-    _enable_turn_on_off_backwards_compatibility = False
 
     def __init__(
         self,
diff --git a/homeassistant/components/fujitsu_fglair/climate.py b/homeassistant/components/fujitsu_fglair/climate.py
index 726096eab1a..5359075c728 100644
--- a/homeassistant/components/fujitsu_fglair/climate.py
+++ b/homeassistant/components/fujitsu_fglair/climate.py
@@ -81,8 +81,6 @@ class FGLairDevice(CoordinatorEntity[FGLairCoordinator], ClimateEntity):
     _attr_has_entity_name = True
     _attr_name = None
 
-    _enable_turn_on_off_backwards_compatibility: bool = False
-
     def __init__(self, coordinator: FGLairCoordinator, device: FujitsuHVAC) -> None:
         """Store the representation of the device and set the static attributes."""
         super().__init__(coordinator, context=device.device_serial_number)