diff --git a/pyproject.toml b/pyproject.toml
index 9ea03a63ff8..66c82d2e770 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -644,6 +644,7 @@ select = [
     "RSE", # flake8-raise
     "RUF005", # Consider iterable unpacking instead of concatenation
     "RUF006", # Store a reference to the return value of asyncio.create_task
+    "RUF013", # PEP 484 prohibits implicit Optional
     # "RUF100", # Unused `noqa` directive; temporarily every now and then to clean them up
     "S102", # Use of exec detected
     "S103", # bad-file-permissions
diff --git a/tests/components/application_credentials/test_init.py b/tests/components/application_credentials/test_init.py
index af118c82279..523abc7fd84 100644
--- a/tests/components/application_credentials/test_init.py
+++ b/tests/components/application_credentials/test_init.py
@@ -189,7 +189,9 @@ class Client:
         self.client = client
         self.id = 0
 
-    async def cmd(self, cmd: str, payload: dict[str, Any] = None) -> dict[str, Any]:
+    async def cmd(
+        self, cmd: str, payload: dict[str, Any] | None = None
+    ) -> dict[str, Any]:
         """Send a command and receive the json result."""
         self.id += 1
         await self.client.send_json(
@@ -203,7 +205,7 @@ class Client:
         assert resp.get("id") == self.id
         return resp
 
-    async def cmd_result(self, cmd: str, payload: dict[str, Any] = None) -> Any:
+    async def cmd_result(self, cmd: str, payload: dict[str, Any] | None = None) -> Any:
         """Send a command and parse the result."""
         resp = await self.cmd(cmd, payload)
         assert resp.get("success")
diff --git a/tests/components/bmw_connected_drive/__init__.py b/tests/components/bmw_connected_drive/__init__.py
index 84384e6b482..e737fce6897 100644
--- a/tests/components/bmw_connected_drive/__init__.py
+++ b/tests/components/bmw_connected_drive/__init__.py
@@ -54,9 +54,9 @@ async def setup_mocked_integration(hass: HomeAssistant) -> MockConfigEntry:
 
 def check_remote_service_call(
     router: respx.MockRouter,
-    remote_service: str = None,
-    remote_service_params: dict = None,
-    remote_service_payload: dict = None,
+    remote_service: str | None = None,
+    remote_service_params: dict | None = None,
+    remote_service_payload: dict | None = None,
 ):
     """Check if the last call was a successful remote service call."""
 
diff --git a/tests/components/bond/common.py b/tests/components/bond/common.py
index 619aa03572a..0aff18e6ed1 100644
--- a/tests/components/bond/common.py
+++ b/tests/components/bond/common.py
@@ -83,11 +83,11 @@ async def setup_platform(
     discovered_device: dict[str, Any],
     *,
     bond_device_id: str = "bond-device-id",
-    bond_version: dict[str, Any] = None,
-    props: dict[str, Any] = None,
-    state: dict[str, Any] = None,
-    bridge: dict[str, Any] = None,
-    token: dict[str, Any] = None,
+    bond_version: dict[str, Any] | None = None,
+    props: dict[str, Any] | None = None,
+    state: dict[str, Any] | None = None,
+    bridge: dict[str, Any] | None = None,
+    token: dict[str, Any] | None = None,
 ):
     """Set up the specified Bond platform."""
     mock_entry = MockConfigEntry(
diff --git a/tests/components/command_line/__init__.py b/tests/components/command_line/__init__.py
index 736ca68b43d..dc965234506 100644
--- a/tests/components/command_line/__init__.py
+++ b/tests/components/command_line/__init__.py
@@ -7,7 +7,7 @@ from unittest.mock import MagicMock, patch
 
 @contextmanager
 def mock_asyncio_subprocess_run(
-    response: bytes = b"", returncode: int = 0, exception: Exception = None
+    response: bytes = b"", returncode: int = 0, exception: Exception | None = None
 ):
     """Mock create_subprocess_shell."""
 
diff --git a/tests/components/device_tracker/common.py b/tests/components/device_tracker/common.py
index eb88f9dfefc..a17556cfbaa 100644
--- a/tests/components/device_tracker/common.py
+++ b/tests/components/device_tracker/common.py
@@ -30,14 +30,14 @@ from tests.common import MockPlatform, mock_platform
 @bind_hass
 def async_see(
     hass: HomeAssistant,
-    mac: str = None,
-    dev_id: str = None,
-    host_name: str = None,
-    location_name: str = None,
-    gps: GPSType = None,
+    mac: str | None = None,
+    dev_id: str | None = None,
+    host_name: str | None = None,
+    location_name: str | None = None,
+    gps: GPSType | None = None,
     gps_accuracy=None,
-    battery: int = None,
-    attributes: dict = None,
+    battery: int | None = None,
+    attributes: dict | None = None,
 ):
     """Call service to notify you see device."""
     data = {
diff --git a/tests/components/discord/conftest.py b/tests/components/discord/conftest.py
index 128869d0b80..c9c4e7c17d5 100644
--- a/tests/components/discord/conftest.py
+++ b/tests/components/discord/conftest.py
@@ -29,7 +29,7 @@ def discord_aiohttp_mock_factory(
     """Create Discord service mock from factory."""
 
     def _discord_aiohttp_mock_factory(
-        headers: dict[str, str] = None,
+        headers: dict[str, str] | None = None,
     ) -> AiohttpClientMocker:
         if headers is not None:
             aioclient_mock.get(
diff --git a/tests/components/fan/common.py b/tests/components/fan/common.py
index a48e66c08f4..fbc7c7bb1bb 100644
--- a/tests/components/fan/common.py
+++ b/tests/components/fan/common.py
@@ -32,8 +32,8 @@ from tests.common import MockEntity
 async def async_turn_on(
     hass,
     entity_id=ENTITY_MATCH_ALL,
-    percentage: int = None,
-    preset_mode: str = None,
+    percentage: int | None = None,
+    preset_mode: str | None = None,
 ) -> None:
     """Turn all or specified fan on."""
     data = {
@@ -76,7 +76,7 @@ async def async_oscillate(
 
 
 async def async_set_preset_mode(
-    hass, entity_id=ENTITY_MATCH_ALL, preset_mode: str = None
+    hass, entity_id=ENTITY_MATCH_ALL, preset_mode: str | None = None
 ) -> None:
     """Set preset mode for all or specified fan."""
     data = {
@@ -90,7 +90,7 @@ async def async_set_preset_mode(
 
 
 async def async_set_percentage(
-    hass, entity_id=ENTITY_MATCH_ALL, percentage: int = None
+    hass, entity_id=ENTITY_MATCH_ALL, percentage: int | None = None
 ) -> None:
     """Set percentage for all or specified fan."""
     data = {
@@ -104,7 +104,7 @@ async def async_set_percentage(
 
 
 async def async_increase_speed(
-    hass, entity_id=ENTITY_MATCH_ALL, percentage_step: int = None
+    hass, entity_id=ENTITY_MATCH_ALL, percentage_step: int | None = None
 ) -> None:
     """Increase speed for all or specified fan."""
     data = {
@@ -121,7 +121,7 @@ async def async_increase_speed(
 
 
 async def async_decrease_speed(
-    hass, entity_id=ENTITY_MATCH_ALL, percentage_step: int = None
+    hass, entity_id=ENTITY_MATCH_ALL, percentage_step: int | None = None
 ) -> None:
     """Decrease speed for all or specified fan."""
     data = {
@@ -138,7 +138,7 @@ async def async_decrease_speed(
 
 
 async def async_set_direction(
-    hass, entity_id=ENTITY_MATCH_ALL, direction: str = None
+    hass, entity_id=ENTITY_MATCH_ALL, direction: str | None = None
 ) -> None:
     """Set direction for all or specified fan."""
     data = {
diff --git a/tests/components/fritzbox/__init__.py b/tests/components/fritzbox/__init__.py
index 8d366e39f6d..5fb9c853bf5 100644
--- a/tests/components/fritzbox/__init__.py
+++ b/tests/components/fritzbox/__init__.py
@@ -23,9 +23,9 @@ async def setup_config_entry(
     hass: HomeAssistant,
     data: dict[str, Any],
     unique_id: str = "any",
-    device: Mock = None,
-    fritz: Mock = None,
-    template: Mock = None,
+    device: Mock | None = None,
+    fritz: Mock | None = None,
+    template: Mock | None = None,
 ) -> bool:
     """Do setup of a MockConfigEntry."""
     entry = MockConfigEntry(
diff --git a/tests/components/google/conftest.py b/tests/components/google/conftest.py
index 37a652e3752..bd64a1d8a49 100644
--- a/tests/components/google/conftest.py
+++ b/tests/components/google/conftest.py
@@ -241,7 +241,7 @@ def mock_events_list(
 
     def _put_result(
         response: dict[str, Any],
-        calendar_id: str = None,
+        calendar_id: str | None = None,
         exc: ClientError | None = None,
     ) -> None:
         if calendar_id is None:
diff --git a/tests/components/google/test_calendar.py b/tests/components/google/test_calendar.py
index 3946e432497..cf138567ba9 100644
--- a/tests/components/google/test_calendar.py
+++ b/tests/components/google/test_calendar.py
@@ -79,7 +79,9 @@ class Client:
         self.client = client
         self.id = 0
 
-    async def cmd(self, cmd: str, payload: dict[str, Any] = None) -> dict[str, Any]:
+    async def cmd(
+        self, cmd: str, payload: dict[str, Any] | None = None
+    ) -> dict[str, Any]:
         """Send a command and receive the json result."""
         self.id += 1
         await self.client.send_json(
@@ -93,7 +95,7 @@ class Client:
         assert resp.get("id") == self.id
         return resp
 
-    async def cmd_result(self, cmd: str, payload: dict[str, Any] = None) -> Any:
+    async def cmd_result(self, cmd: str, payload: dict[str, Any] | None = None) -> Any:
         """Send a command and parse the result."""
         resp = await self.cmd(cmd, payload)
         assert resp.get("success")
diff --git a/tests/components/mqtt/test_humidifier.py b/tests/components/mqtt/test_humidifier.py
index 75baca046bd..c29250bff82 100644
--- a/tests/components/mqtt/test_humidifier.py
+++ b/tests/components/mqtt/test_humidifier.py
@@ -101,7 +101,7 @@ async def async_turn_off(hass: HomeAssistant, entity_id=ENTITY_MATCH_ALL) -> Non
 
 
 async def async_set_mode(
-    hass: HomeAssistant, entity_id=ENTITY_MATCH_ALL, mode: str = None
+    hass: HomeAssistant, entity_id=ENTITY_MATCH_ALL, mode: str | None = None
 ) -> None:
     """Set mode for all or specified humidifier."""
     data = {
@@ -114,7 +114,7 @@ async def async_set_mode(
 
 
 async def async_set_humidity(
-    hass: HomeAssistant, entity_id=ENTITY_MATCH_ALL, humidity: int = None
+    hass: HomeAssistant, entity_id=ENTITY_MATCH_ALL, humidity: int | None = None
 ) -> None:
     """Set target humidity for all or specified humidifier."""
     data = {
diff --git a/tests/components/nest/common.py b/tests/components/nest/common.py
index e2cd536725f..70bc88b003f 100644
--- a/tests/components/nest/common.py
+++ b/tests/components/nest/common.py
@@ -148,7 +148,9 @@ class CreateDevice:
         self.data = {"traits": {}}
 
     def create(
-        self, raw_traits: dict[str, Any] = None, raw_data: dict[str, Any] = None
+        self,
+        raw_traits: dict[str, Any] | None = None,
+        raw_data: dict[str, Any] | None = None,
     ) -> None:
         """Create a new device with the specifeid traits."""
         data = copy.deepcopy(self.data)
diff --git a/tests/components/nest/test_camera.py b/tests/components/nest/test_camera.py
index b68173be201..33c611c9cfc 100644
--- a/tests/components/nest/test_camera.py
+++ b/tests/components/nest/test_camera.py
@@ -104,7 +104,7 @@ def webrtc_camera_device(create_device: CreateDevice) -> None:
 def make_motion_event(
     event_id: str = MOTION_EVENT_ID,
     event_session_id: str = EVENT_SESSION_ID,
-    timestamp: datetime.datetime = None,
+    timestamp: datetime.datetime | None = None,
 ) -> EventMessage:
     """Create an EventMessage for a motion event."""
     if not timestamp:
@@ -128,7 +128,7 @@ def make_motion_event(
 
 
 def make_stream_url_response(
-    expiration: datetime.datetime = None, token_num: int = 0
+    expiration: datetime.datetime | None = None, token_num: int = 0
 ) -> aiohttp.web.Response:
     """Make response for the API that generates a streaming url."""
     if not expiration:
diff --git a/tests/components/nest/test_config_flow.py b/tests/components/nest/test_config_flow.py
index b7ca64db232..cef1f5e9a86 100644
--- a/tests/components/nest/test_config_flow.py
+++ b/tests/components/nest/test_config_flow.py
@@ -152,7 +152,7 @@ class OAuthFixture:
         )
 
     async def async_finish_setup(
-        self, result: dict, user_input: dict = None
+        self, result: dict, user_input: dict | None = None
     ) -> ConfigEntry:
         """Finish the OAuth flow exchanging auth token for refresh token."""
         with patch(
diff --git a/tests/components/nut/util.py b/tests/components/nut/util.py
index 3bc48764816..b6c9cffd390 100644
--- a/tests/components/nut/util.py
+++ b/tests/components/nut/util.py
@@ -33,14 +33,14 @@ def _get_mock_nutclient(
 
 async def async_init_integration(
     hass: HomeAssistant,
-    ups_fixture: str = None,
+    ups_fixture: str | None = None,
     username: str = "mock",
     password: str = "mock",
-    list_ups: dict[str, str] = None,
-    list_vars: dict[str, str] = None,
-    list_commands_return_value: dict[str, str] = None,
+    list_ups: dict[str, str] | None = None,
+    list_vars: dict[str, str] | None = None,
+    list_commands_return_value: dict[str, str] | None = None,
     list_commands_side_effect=None,
-    run_command: MagicMock = None,
+    run_command: MagicMock | None = None,
 ) -> MockConfigEntry:
     """Set up the nut integration in Home Assistant."""
 
diff --git a/tests/components/radarr/__init__.py b/tests/components/radarr/__init__.py
index 0e6f708d329..a29b928b405 100644
--- a/tests/components/radarr/__init__.py
+++ b/tests/components/radarr/__init__.py
@@ -160,7 +160,7 @@ async def setup_integration(
     aioclient_mock: AiohttpClientMocker,
     url: str = URL,
     api_key: str = API_KEY,
-    unique_id: str = None,
+    unique_id: str | None = None,
     skip_entry_setup: bool = False,
     connection_error: bool = False,
     invalid_auth: bool = False,
diff --git a/tests/components/recorder/common.py b/tests/components/recorder/common.py
index e8fd6dbcf53..7a57b226d77 100644
--- a/tests/components/recorder/common.py
+++ b/tests/components/recorder/common.py
@@ -109,7 +109,7 @@ async def async_wait_recording_done(hass: HomeAssistant) -> None:
     await hass.async_block_till_done()
 
 
-async def async_wait_purge_done(hass: HomeAssistant, max: int = None) -> None:
+async def async_wait_purge_done(hass: HomeAssistant, max: int | None = None) -> None:
     """Wait for max number of purge events.
 
     Because a purge may insert another PurgeTask into
diff --git a/tests/components/ruckus_unleashed/__init__.py b/tests/components/ruckus_unleashed/__init__.py
index 97b554b1eb5..cf510b87314 100644
--- a/tests/components/ruckus_unleashed/__init__.py
+++ b/tests/components/ruckus_unleashed/__init__.py
@@ -111,7 +111,7 @@ class RuckusAjaxApiPatchContext:
 
     def __init__(
         self,
-        login_mock: AsyncMock = None,
+        login_mock: AsyncMock | None = None,
         system_info: dict | None = None,
         mesh_info: dict | None = None,
         active_clients: list[dict] | AsyncMock | None = None,
diff --git a/tests/components/screenlogic/__init__.py b/tests/components/screenlogic/__init__.py
index c9889e6b4b8..e562b84ad14 100644
--- a/tests/components/screenlogic/__init__.py
+++ b/tests/components/screenlogic/__init__.py
@@ -61,7 +61,7 @@ async def stub_async_connect(
     gtype=None,
     gsubtype=None,
     name=MOCK_ADAPTER_NAME,
-    connection_closed_callback: Callable = None,
+    connection_closed_callback: Callable | None = None,
 ) -> bool:
     """Initialize minimum attributes needed for tests."""
     self._ip = ip
diff --git a/tests/components/signal_messenger/conftest.py b/tests/components/signal_messenger/conftest.py
index ecafff1ef4a..1c9c60c2878 100644
--- a/tests/components/signal_messenger/conftest.py
+++ b/tests/components/signal_messenger/conftest.py
@@ -32,7 +32,7 @@ def signal_requests_mock_factory(requests_mock: Mocker) -> Mocker:
     """Create signal service mock from factory."""
 
     def _signal_requests_mock_factory(
-        success_send_result: bool = True, content_length_header: str = None
+        success_send_result: bool = True, content_length_header: str | None = None
     ) -> Mocker:
         requests_mock.register_uri(
             "GET",
diff --git a/tests/components/smartthings/conftest.py b/tests/components/smartthings/conftest.py
index f15ba85c07e..b6d34b9d98a 100644
--- a/tests/components/smartthings/conftest.py
+++ b/tests/components/smartthings/conftest.py
@@ -253,7 +253,7 @@ def device_factory_fixture():
     api = Mock(Api)
     api.post_device_command.return_value = {"results": [{"status": "ACCEPTED"}]}
 
-    def _factory(label, capabilities, status: dict = None):
+    def _factory(label, capabilities, status: dict | None = None):
         device_data = {
             "deviceId": str(uuid4()),
             "name": "Device Type Handler Name",
diff --git a/tests/components/sql/__init__.py b/tests/components/sql/__init__.py
index fc122ad1a95..5f91cba1d94 100644
--- a/tests/components/sql/__init__.py
+++ b/tests/components/sql/__init__.py
@@ -262,7 +262,7 @@ YAML_CONFIG_ALL_TEMPLATES = {
 
 async def init_integration(
     hass: HomeAssistant,
-    config: dict[str, Any] = None,
+    config: dict[str, Any] | None = None,
     entry_id: str = "1",
     source: str = SOURCE_USER,
 ) -> MockConfigEntry:
diff --git a/tests/components/tautulli/__init__.py b/tests/components/tautulli/__init__.py
index b48488c7216..8ca0b13d198 100644
--- a/tests/components/tautulli/__init__.py
+++ b/tests/components/tautulli/__init__.py
@@ -72,7 +72,7 @@ async def setup_integration(
     aioclient_mock: AiohttpClientMocker,
     url: str = URL,
     api_key: str = API_KEY,
-    unique_id: str = None,
+    unique_id: str | None = None,
     skip_entry_setup: bool = False,
     invalid_auth: bool = False,
 ) -> MockConfigEntry:
diff --git a/tests/components/valve/test_init.py b/tests/components/valve/test_init.py
index 971e3d04f3e..eee215d2e29 100644
--- a/tests/components/valve/test_init.py
+++ b/tests/components/valve/test_init.py
@@ -54,7 +54,7 @@ class MockValveEntity(ValveEntity):
         unique_id: str = "mock_valve",
         name: str = "Valve",
         features: ValveEntityFeature = ValveEntityFeature(0),
-        current_position: int = None,
+        current_position: int | None = None,
         device_class: ValveDeviceClass = None,
         reports_position: bool = True,
     ) -> None:
@@ -104,7 +104,7 @@ class MockBinaryValveEntity(ValveEntity):
         unique_id: str = "mock_valve_2",
         name: str = "Valve",
         features: ValveEntityFeature = ValveEntityFeature(0),
-        is_closed: bool = None,
+        is_closed: bool | None = None,
     ) -> None:
         """Initialize the valve."""
         self._attr_name = name
diff --git a/tests/components/vera/common.py b/tests/components/vera/common.py
index b6be60927cf..af21bf5d3a3 100644
--- a/tests/components/vera/common.py
+++ b/tests/components/vera/common.py
@@ -58,8 +58,8 @@ class ControllerConfig(NamedTuple):
 
 
 def new_simple_controller_config(
-    config: dict = None,
-    options: dict = None,
+    config: dict | None = None,
+    options: dict | None = None,
     config_source=ConfigSource.CONFIG_FLOW,
     serial_number="1111",
     devices: tuple[pv.VeraDevice, ...] = (),
diff --git a/tests/components/vera/test_sensor.py b/tests/components/vera/test_sensor.py
index ebe8beb4e29..c31845b80af 100644
--- a/tests/components/vera/test_sensor.py
+++ b/tests/components/vera/test_sensor.py
@@ -20,8 +20,8 @@ async def run_sensor_test(
     category: int,
     class_property: str,
     assert_states: tuple[tuple[Any, Any]],
-    assert_unit_of_measurement: str = None,
-    setup_callback: Callable[[pv.VeraController], None] = None,
+    assert_unit_of_measurement: str | None = None,
+    setup_callback: Callable[[pv.VeraController], None] | None = None,
 ) -> None:
     """Test generic sensor."""
     vera_device: pv.VeraSensor = MagicMock(spec=pv.VeraSensor)
diff --git a/tests/components/version/common.py b/tests/components/version/common.py
index c14ec2c4fbf..cd9469d08a1 100644
--- a/tests/components/version/common.py
+++ b/tests/components/version/common.py
@@ -43,7 +43,7 @@ async def mock_get_version_update(
     freezer: FrozenDateTimeFactory,
     version: str = MOCK_VERSION,
     data: dict[str, Any] = MOCK_VERSION_DATA,
-    side_effect: Exception = None,
+    side_effect: Exception | None = None,
 ) -> None:
     """Mock getting version."""
     with patch(