diff --git a/homeassistant/components/litterrobot/vacuum.py b/homeassistant/components/litterrobot/vacuum.py
index dbe51270857..51be573b14e 100644
--- a/homeassistant/components/litterrobot/vacuum.py
+++ b/homeassistant/components/litterrobot/vacuum.py
@@ -1,7 +1,6 @@
 """Support for Litter-Robot "Vacuum"."""
 from __future__ import annotations
 
-from datetime import datetime, timedelta, timezone
 import logging
 from typing import Any
 
@@ -46,7 +45,6 @@ LITTER_BOX_STATUS_STATE_MAP = {
     LitterBoxStatus.CAT_SENSOR_INTERRUPTED: STATE_PAUSED,
     LitterBoxStatus.OFF: STATE_OFF,
 }
-UNAVAILABLE_AFTER = timedelta(minutes=30)
 
 
 async def async_setup_entry(
@@ -96,11 +94,6 @@ class LitterRobotCleaner(LitterRobotControlEntity, StateVacuumEntity):
         | VacuumEntityFeature.TURN_ON
     )
 
-    @property
-    def available(self) -> bool:
-        """Return True if the cleaner has been seen recently."""
-        return self.robot.last_seen > datetime.now(timezone.utc) - UNAVAILABLE_AFTER
-
     @property
     def state(self) -> str:
         """Return the state of the cleaner."""
diff --git a/tests/components/litterrobot/conftest.py b/tests/components/litterrobot/conftest.py
index e8ec5324ae6..0e3d85dc828 100644
--- a/tests/components/litterrobot/conftest.py
+++ b/tests/components/litterrobot/conftest.py
@@ -1,7 +1,6 @@
 """Configure pytest for Litter-Robot tests."""
 from __future__ import annotations
 
-from datetime import datetime
 from typing import Any
 from unittest.mock import AsyncMock, MagicMock, patch
 
@@ -10,7 +9,6 @@ from pylitterbot.exceptions import InvalidCommandException
 import pytest
 
 from homeassistant.components import litterrobot
-from homeassistant.components.litterrobot.vacuum import UNAVAILABLE_AFTER
 from homeassistant.core import HomeAssistant
 
 from .common import CONFIG, ROBOT_DATA
@@ -73,14 +71,6 @@ def mock_account_with_sleep_disabled_robot() -> MagicMock:
     return create_mock_account({"sleepModeActive": "0"})
 
 
-@pytest.fixture
-def mock_account_with_robot_not_recently_seen() -> MagicMock:
-    """Mock a Litter-Robot account with a sleeping robot."""
-    return create_mock_account(
-        {"lastSeen": (datetime.now() - UNAVAILABLE_AFTER).isoformat()}
-    )
-
-
 @pytest.fixture
 def mock_account_with_error() -> MagicMock:
     """Mock a Litter-Robot account with error."""
diff --git a/tests/components/litterrobot/test_vacuum.py b/tests/components/litterrobot/test_vacuum.py
index 3adf820d6aa..89f8f077b55 100644
--- a/tests/components/litterrobot/test_vacuum.py
+++ b/tests/components/litterrobot/test_vacuum.py
@@ -24,7 +24,7 @@ from homeassistant.components.vacuum import (
     STATE_DOCKED,
     STATE_ERROR,
 )
-from homeassistant.const import ATTR_ENTITY_ID, STATE_UNAVAILABLE
+from homeassistant.const import ATTR_ENTITY_ID
 from homeassistant.core import HomeAssistant
 from homeassistant.util.dt import utcnow
 
@@ -62,19 +62,6 @@ async def test_vacuum_status_when_sleeping(
     assert vacuum.attributes.get(ATTR_STATUS) == "Ready (Sleeping)"
 
 
-async def test_vacuum_state_when_not_recently_seen(
-    hass: HomeAssistant, mock_account_with_robot_not_recently_seen: MagicMock
-) -> None:
-    """Tests the vacuum state when not seen recently."""
-    await setup_integration(
-        hass, mock_account_with_robot_not_recently_seen, PLATFORM_DOMAIN
-    )
-
-    vacuum = hass.states.get(VACUUM_ENTITY_ID)
-    assert vacuum
-    assert vacuum.state == STATE_UNAVAILABLE
-
-
 async def test_no_robots(
     hass: HomeAssistant, mock_account_with_no_robots: MagicMock
 ) -> None: