diff --git a/homeassistant/components/group/light.py b/homeassistant/components/group/light.py
index e0645da6141a..1563e811fe9d 100644
--- a/homeassistant/components/group/light.py
+++ b/homeassistant/components/group/light.py
@@ -25,10 +25,8 @@ from homeassistant.components.light import (
     ATTR_SUPPORTED_COLOR_MODES,
     ATTR_TRANSITION,
     ATTR_WHITE,
-    ATTR_WHITE_VALUE,
     ATTR_XY_COLOR,
     PLATFORM_SCHEMA,
-    SUPPORT_WHITE_VALUE,
     ColorMode,
     LightEntity,
     LightEntityFeature,
@@ -71,10 +69,7 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 )
 
 SUPPORT_GROUP_LIGHT = (
-    LightEntityFeature.EFFECT
-    | LightEntityFeature.FLASH
-    | LightEntityFeature.TRANSITION
-    | SUPPORT_WHITE_VALUE
+    LightEntityFeature.EFFECT | LightEntityFeature.FLASH | LightEntityFeature.TRANSITION
 )
 
 _LOGGER = logging.getLogger(__name__)
@@ -128,7 +123,6 @@ FORWARDED_ATTRIBUTES = frozenset(
         ATTR_RGBWW_COLOR,
         ATTR_TRANSITION,
         ATTR_WHITE,
-        ATTR_WHITE_VALUE,
         ATTR_XY_COLOR,
     }
 )
@@ -148,7 +142,6 @@ class LightGroup(GroupEntity, LightEntity):
     ) -> None:
         """Initialize a light group."""
         self._entity_ids = entity_ids
-        self._white_value: int | None = None
 
         self._attr_name = name
         self._attr_extra_state_attributes = {ATTR_ENTITY_ID: entity_ids}
@@ -174,11 +167,6 @@ class LightGroup(GroupEntity, LightEntity):
 
         await super().async_added_to_hass()
 
-    @property
-    def white_value(self) -> int | None:
-        """Return the white value of this light group between 0..255."""
-        return self._white_value
-
     async def async_turn_on(self, **kwargs: Any) -> None:
         """Forward the turn_on command to all lights in the light group."""
         data = {
@@ -251,8 +239,6 @@ class LightGroup(GroupEntity, LightEntity):
             on_states, ATTR_XY_COLOR, reduce=mean_tuple
         )
 
-        self._white_value = reduce_attribute(on_states, ATTR_WHITE_VALUE)
-
         self._attr_color_temp = reduce_attribute(on_states, ATTR_COLOR_TEMP)
         self._attr_min_mireds = reduce_attribute(
             states, ATTR_MIN_MIREDS, default=154, reduce=min
diff --git a/tests/components/group/test_light.py b/tests/components/group/test_light.py
index f30838125534..5329d3074b4e 100644
--- a/tests/components/group/test_light.py
+++ b/tests/components/group/test_light.py
@@ -618,48 +618,6 @@ async def test_color_rgbww(hass, enable_custom_integrations):
     assert state.attributes[ATTR_SUPPORTED_FEATURES] == 0
 
 
-async def test_white_value(hass):
-    """Test white value reporting."""
-    await async_setup_component(
-        hass,
-        LIGHT_DOMAIN,
-        {
-            LIGHT_DOMAIN: {
-                "platform": DOMAIN,
-                "entities": ["light.test1", "light.test2"],
-                "all": "false",
-            }
-        },
-    )
-    await hass.async_block_till_done()
-    await hass.async_start()
-    await hass.async_block_till_done()
-
-    hass.states.async_set(
-        "light.test1", STATE_ON, {ATTR_WHITE_VALUE: 255, ATTR_SUPPORTED_FEATURES: 128}
-    )
-    await hass.async_block_till_done()
-    state = hass.states.get("light.light_group")
-    assert state.attributes[ATTR_SUPPORTED_FEATURES] == 128
-    assert state.attributes[ATTR_WHITE_VALUE] == 255
-
-    hass.states.async_set(
-        "light.test2", STATE_ON, {ATTR_WHITE_VALUE: 100, ATTR_SUPPORTED_FEATURES: 128}
-    )
-    await hass.async_block_till_done()
-    state = hass.states.get("light.light_group")
-    assert state.attributes[ATTR_SUPPORTED_FEATURES] == 128
-    assert state.attributes[ATTR_WHITE_VALUE] == 177
-
-    hass.states.async_set(
-        "light.test1", STATE_OFF, {ATTR_WHITE_VALUE: 255, ATTR_SUPPORTED_FEATURES: 128}
-    )
-    await hass.async_block_till_done()
-    state = hass.states.get("light.light_group")
-    assert state.attributes[ATTR_SUPPORTED_FEATURES] == 128
-    assert state.attributes[ATTR_WHITE_VALUE] == 100
-
-
 async def test_white(hass, enable_custom_integrations):
     """Test white reporting."""
     platform = getattr(hass.components, "test.light")
@@ -1493,7 +1451,6 @@ async def test_invalid_service_calls(hass):
             ATTR_XY_COLOR: (0.5, 0.42),
             ATTR_RGB_COLOR: (80, 120, 50),
             ATTR_COLOR_TEMP: 1234,
-            ATTR_WHITE_VALUE: 1,
             ATTR_EFFECT: "Sunshine",
             ATTR_TRANSITION: 4,
             ATTR_FLASH: "long",