diff --git a/homeassistant/components/water_heater/__init__.py b/homeassistant/components/water_heater/__init__.py
index dbd697f2367..43a9364e59d 100644
--- a/homeassistant/components/water_heater/__init__.py
+++ b/homeassistant/components/water_heater/__init__.py
@@ -194,7 +194,7 @@ class WaterHeaterEntity(Entity, cached_properties=CACHED_PROPERTIES_WITH_ATTR_):
             ),
         }
 
-        if WaterHeaterEntityFeature.OPERATION_MODE in self.supported_features_compat:
+        if WaterHeaterEntityFeature.OPERATION_MODE in self.supported_features:
             data[ATTR_OPERATION_LIST] = self.operation_list
 
         return data
@@ -230,7 +230,7 @@ class WaterHeaterEntity(Entity, cached_properties=CACHED_PROPERTIES_WITH_ATTR_):
             ),
         }
 
-        supported_features = self.supported_features_compat
+        supported_features = self.supported_features
 
         if WaterHeaterEntityFeature.OPERATION_MODE in supported_features:
             data[ATTR_OPERATION_MODE] = self.current_operation
@@ -379,19 +379,6 @@ class WaterHeaterEntity(Entity, cached_properties=CACHED_PROPERTIES_WITH_ATTR_):
         """Return the list of supported features."""
         return self._attr_supported_features
 
-    @property
-    def supported_features_compat(self) -> WaterHeaterEntityFeature:
-        """Return the supported features as WaterHeaterEntityFeature.
-
-        Remove this compatibility shim in 2025.1 or later.
-        """
-        features = self.supported_features
-        if type(features) is int:  # noqa: E721
-            new_features = WaterHeaterEntityFeature(features)
-            self._report_deprecated_supported_features_values(new_features)
-            return new_features
-        return features
-
 
 async def async_service_away_mode(
     entity: WaterHeaterEntity, service: ServiceCall
diff --git a/tests/components/water_heater/test_init.py b/tests/components/water_heater/test_init.py
index 0c5651058ed..78efd94ef8e 100644
--- a/tests/components/water_heater/test_init.py
+++ b/tests/components/water_heater/test_init.py
@@ -9,8 +9,6 @@ import pytest
 import voluptuous as vol
 
 from homeassistant.components.water_heater import (
-    ATTR_OPERATION_LIST,
-    ATTR_OPERATION_MODE,
     DOMAIN,
     SERVICE_SET_OPERATION_MODE,
     SET_TEMPERATURE_SCHEMA,
@@ -206,28 +204,3 @@ async def test_operation_mode_validation(
     )
     await hass.async_block_till_done()
     water_heater_entity.set_operation_mode.assert_has_calls([mock.call("eco")])
-
-
-def test_deprecated_supported_features_ints(
-    hass: HomeAssistant, caplog: pytest.LogCaptureFixture
-) -> None:
-    """Test deprecated supported features ints."""
-
-    class MockWaterHeaterEntity(WaterHeaterEntity):
-        _attr_operation_list = ["mode1", "mode2"]
-        _attr_temperature_unit = UnitOfTemperature.CELSIUS
-        _attr_current_operation = "mode1"
-        _attr_supported_features = WaterHeaterEntityFeature.OPERATION_MODE.value
-
-    entity = MockWaterHeaterEntity()
-    entity.hass = hass
-    assert entity.supported_features_compat is WaterHeaterEntityFeature(2)
-    assert "MockWaterHeaterEntity" in caplog.text
-    assert "is using deprecated supported features values" in caplog.text
-    assert "Instead it should use" in caplog.text
-    assert "WaterHeaterEntityFeature.OPERATION_MODE" in caplog.text
-    caplog.clear()
-    assert entity.supported_features_compat is WaterHeaterEntityFeature(2)
-    assert "is using deprecated supported features values" not in caplog.text
-    assert entity.state_attributes[ATTR_OPERATION_MODE] == "mode1"
-    assert entity.capability_attributes[ATTR_OPERATION_LIST] == ["mode1", "mode2"]