diff --git a/homeassistant/helpers/entity.py b/homeassistant/helpers/entity.py
index 1c03e2334fe..39af16892f5 100644
--- a/homeassistant/helpers/entity.py
+++ b/homeassistant/helpers/entity.py
@@ -32,17 +32,8 @@ from homeassistant.const import (
     STATE_ON,
     STATE_UNAVAILABLE,
     STATE_UNKNOWN,
-    TEMP_CELSIUS,
-    TEMP_FAHRENHEIT,
-)
-from homeassistant.core import (
-    CALLBACK_TYPE,
-    Context,
-    Event,
-    HomeAssistant,
-    callback,
-    split_entity_id,
 )
+from homeassistant.core import CALLBACK_TYPE, Context, Event, HomeAssistant, callback
 from homeassistant.exceptions import HomeAssistantError, NoEntitySpecifiedError
 from homeassistant.loader import bind_hass
 from homeassistant.util import dt as dt_util, ensure_unique_string, slugify
@@ -259,9 +250,6 @@ class Entity(ABC):
     # If we reported this entity is updated while disabled
     _disabled_reported = False
 
-    # If we reported this entity is relying on deprecated temperature conversion
-    _temperature_reported = False
-
     # Protect for multiple updates
     _update_staged = False
 
@@ -618,58 +606,6 @@ class Entity(ABC):
         if DATA_CUSTOMIZE in self.hass.data:
             attr.update(self.hass.data[DATA_CUSTOMIZE].get(self.entity_id))
 
-        def _convert_temperature(state: str, attr: dict[str, Any]) -> str:
-            # Convert temperature if we detect one
-            # pylint: disable-next=import-outside-toplevel
-            from homeassistant.components.sensor import SensorEntity
-
-            unit_of_measure = attr.get(ATTR_UNIT_OF_MEASUREMENT)
-            units = self.hass.config.units
-            if unit_of_measure == units.temperature_unit or unit_of_measure not in (
-                TEMP_CELSIUS,
-                TEMP_FAHRENHEIT,
-            ):
-                return state
-
-            domain = split_entity_id(self.entity_id)[0]
-            if domain != "sensor":
-                if not self._temperature_reported:
-                    self._temperature_reported = True
-                    report_issue = self._suggest_report_issue()
-                    _LOGGER.warning(
-                        "Entity %s (%s) relies on automatic temperature conversion, this will "
-                        "be unsupported in Home Assistant Core 2022.7. Please %s",
-                        self.entity_id,
-                        type(self),
-                        report_issue,
-                    )
-            elif not isinstance(self, SensorEntity):
-                if not self._temperature_reported:
-                    self._temperature_reported = True
-                    report_issue = self._suggest_report_issue()
-                    _LOGGER.warning(
-                        "Temperature sensor %s (%s) does not inherit SensorEntity, "
-                        "this will be unsupported in Home Assistant Core 2022.7."
-                        "Please %s",
-                        self.entity_id,
-                        type(self),
-                        report_issue,
-                    )
-            else:
-                return state
-
-            try:
-                prec = len(state) - state.index(".") - 1 if "." in state else 0
-                temp = units.temperature(float(state), unit_of_measure)
-                state = str(round(temp) if prec == 0 else round(temp, prec))
-                attr[ATTR_UNIT_OF_MEASUREMENT] = units.temperature_unit
-            except ValueError:
-                # Could not convert state to float
-                pass
-            return state
-
-        state = _convert_temperature(state, attr)
-
         if (
             self._context_set is not None
             and dt_util.utcnow() - self._context_set > self.context_recent_time
diff --git a/tests/helpers/test_entity.py b/tests/helpers/test_entity.py
index e345d7d7258..7141c5f0903 100644
--- a/tests/helpers/test_entity.py
+++ b/tests/helpers/test_entity.py
@@ -14,7 +14,6 @@ from homeassistant.const import (
     ATTR_DEVICE_CLASS,
     STATE_UNAVAILABLE,
     STATE_UNKNOWN,
-    TEMP_FAHRENHEIT,
 )
 from homeassistant.core import Context, HomeAssistantError
 from homeassistant.helpers import entity, entity_registry
@@ -816,64 +815,6 @@ async def test_float_conversion(hass):
     assert state.state == "3.6"
 
 
-async def test_temperature_conversion(hass, caplog):
-    """Test conversion of temperatures."""
-    # Non sensor entity reporting a temperature
-    with patch.object(
-        entity.Entity, "state", PropertyMock(return_value=100)
-    ), patch.object(
-        entity.Entity, "unit_of_measurement", PropertyMock(return_value=TEMP_FAHRENHEIT)
-    ):
-        ent = entity.Entity()
-        ent.hass = hass
-        ent.entity_id = "hello.world"
-        ent.async_write_ha_state()
-
-    state = hass.states.get("hello.world")
-    assert state is not None
-    assert state.state == "38"
-    assert (
-        "Entity hello.world (<class 'homeassistant.helpers.entity.Entity'>) relies on automatic "
-        "temperature conversion, this will be unsupported in Home Assistant Core 2022.7. "
-        "Please create a bug report" in caplog.text
-    )
-
-    # Sensor entity, not extending SensorEntity, reporting a temperature
-    with patch.object(
-        entity.Entity, "state", PropertyMock(return_value=100)
-    ), patch.object(
-        entity.Entity, "unit_of_measurement", PropertyMock(return_value=TEMP_FAHRENHEIT)
-    ):
-        ent = entity.Entity()
-        ent.hass = hass
-        ent.entity_id = "sensor.temp"
-        ent.async_write_ha_state()
-
-    state = hass.states.get("sensor.temp")
-    assert state is not None
-    assert state.state == "38"
-    assert (
-        "Temperature sensor sensor.temp (<class 'homeassistant.helpers.entity.Entity'>) "
-        "does not inherit SensorEntity, this will be unsupported in Home Assistant Core "
-        "2022.7.Please create a bug report" in caplog.text
-    )
-
-    # Sensor entity, not extending SensorEntity, not reporting a number
-    with patch.object(
-        entity.Entity, "state", PropertyMock(return_value="really warm")
-    ), patch.object(
-        entity.Entity, "unit_of_measurement", PropertyMock(return_value=TEMP_FAHRENHEIT)
-    ):
-        ent = entity.Entity()
-        ent.hass = hass
-        ent.entity_id = "sensor.temp"
-        ent.async_write_ha_state()
-
-    state = hass.states.get("sensor.temp")
-    assert state is not None
-    assert state.state == "really warm"
-
-
 async def test_attribution_attribute(hass):
     """Test attribution attribute."""
     mock_entity = entity.Entity()