diff --git a/homeassistant/components/whois/config_flow.py b/homeassistant/components/whois/config_flow.py
index 93a15f7fa39..640daaa314c 100644
--- a/homeassistant/components/whois/config_flow.py
+++ b/homeassistant/components/whois/config_flow.py
@@ -13,7 +13,7 @@ from whois.exceptions import (
 )
 
 from homeassistant.config_entries import ConfigFlow
-from homeassistant.const import CONF_DOMAIN, CONF_NAME
+from homeassistant.const import CONF_DOMAIN
 from homeassistant.data_entry_flow import FlowResult
 
 from .const import DOMAIN
@@ -69,12 +69,3 @@ class WhoisFlowHandler(ConfigFlow, domain=DOMAIN):
             ),
             errors=errors,
         )
-
-    async def async_step_import(self, config: dict[str, Any]) -> FlowResult:
-        """Handle a flow initialized by importing a config."""
-        self.imported_name = config[CONF_NAME]
-        return await self.async_step_user(
-            user_input={
-                CONF_DOMAIN: config[CONF_DOMAIN],
-            }
-        )
diff --git a/homeassistant/components/whois/const.py b/homeassistant/components/whois/const.py
index 8530d2e558f..3fbbd6ff3ab 100644
--- a/homeassistant/components/whois/const.py
+++ b/homeassistant/components/whois/const.py
@@ -14,8 +14,6 @@ LOGGER = logging.getLogger(__package__)
 
 SCAN_INTERVAL = timedelta(hours=24)
 
-DEFAULT_NAME = "Whois"
-
 ATTR_EXPIRES = "expires"
 ATTR_NAME_SERVERS = "name_servers"
 ATTR_REGISTRAR = "registrar"
diff --git a/homeassistant/components/whois/sensor.py b/homeassistant/components/whois/sensor.py
index 3d0b25640b3..48efaf7630d 100644
--- a/homeassistant/components/whois/sensor.py
+++ b/homeassistant/components/whois/sensor.py
@@ -6,44 +6,25 @@ from dataclasses import dataclass
 from datetime import datetime, timezone
 from typing import cast
 
-import voluptuous as vol
 from whois import Domain
 
 from homeassistant.components.sensor import (
-    PLATFORM_SCHEMA,
     SensorDeviceClass,
     SensorEntity,
     SensorEntityDescription,
 )
-from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
-from homeassistant.const import CONF_DOMAIN, CONF_NAME, TIME_DAYS
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_DOMAIN, TIME_DAYS
 from homeassistant.core import HomeAssistant
-import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.device_registry import DeviceEntryType
 from homeassistant.helpers.entity import DeviceInfo, EntityCategory
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
-from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 from homeassistant.helpers.update_coordinator import (
     CoordinatorEntity,
     DataUpdateCoordinator,
 )
 
-from .const import (
-    ATTR_EXPIRES,
-    ATTR_NAME_SERVERS,
-    ATTR_REGISTRAR,
-    ATTR_UPDATED,
-    DEFAULT_NAME,
-    DOMAIN,
-    LOGGER,
-)
-
-PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
-    {
-        vol.Required(CONF_DOMAIN): cv.string,
-        vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
-    }
-)
+from .const import ATTR_EXPIRES, ATTR_NAME_SERVERS, ATTR_REGISTRAR, ATTR_UPDATED, DOMAIN
 
 
 @dataclass
@@ -152,28 +133,6 @@ SENSORS: tuple[WhoisSensorEntityDescription, ...] = (
 )
 
 
-async def async_setup_platform(
-    hass: HomeAssistant,
-    config: ConfigType,
-    async_add_entities: AddEntitiesCallback,
-    discovery_info: DiscoveryInfoType | None = None,
-) -> None:
-    """Set up the WHOIS sensor."""
-    LOGGER.warning(
-        "Configuration of the Whois platform in YAML is deprecated and will be "
-        "removed in Home Assistant 2022.4; Your existing configuration "
-        "has been imported into the UI automatically and can be safely removed "
-        "from your configuration.yaml file"
-    )
-    hass.async_create_task(
-        hass.config_entries.flow.async_init(
-            DOMAIN,
-            context={"source": SOURCE_IMPORT},
-            data={CONF_DOMAIN: config[CONF_DOMAIN], CONF_NAME: config[CONF_NAME]},
-        )
-    )
-
-
 async def async_setup_entry(
     hass: HomeAssistant,
     entry: ConfigEntry,
diff --git a/tests/components/whois/test_config_flow.py b/tests/components/whois/test_config_flow.py
index be73cfe7b7e..4bf6d7e8731 100644
--- a/tests/components/whois/test_config_flow.py
+++ b/tests/components/whois/test_config_flow.py
@@ -10,8 +10,8 @@ from whois.exceptions import (
 )
 
 from homeassistant.components.whois.const import DOMAIN
-from homeassistant.config_entries import SOURCE_IMPORT, SOURCE_USER
-from homeassistant.const import CONF_DOMAIN, CONF_NAME
+from homeassistant.config_entries import SOURCE_USER
+from homeassistant.const import CONF_DOMAIN
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import (
     RESULT_TYPE_ABORT,
@@ -124,24 +124,3 @@ async def test_already_configured(
     assert result.get("reason") == "already_configured"
 
     assert len(mock_setup_entry.mock_calls) == 0
-
-
-async def test_import_flow(
-    hass: HomeAssistant,
-    mock_setup_entry: AsyncMock,
-    mock_whois_config_flow: MagicMock,
-) -> None:
-    """Test the import configuration flow."""
-    result = await hass.config_entries.flow.async_init(
-        DOMAIN,
-        context={"source": SOURCE_IMPORT},
-        data={CONF_DOMAIN: "Example.com", CONF_NAME: "My Example Domain"},
-    )
-
-    assert result.get("type") == RESULT_TYPE_CREATE_ENTRY
-    assert result.get("title") == "My Example Domain"
-    assert result.get("data") == {
-        CONF_DOMAIN: "example.com",
-    }
-
-    assert len(mock_setup_entry.mock_calls) == 1
diff --git a/tests/components/whois/test_init.py b/tests/components/whois/test_init.py
index 3cd9efc801d..efb68a8e800 100644
--- a/tests/components/whois/test_init.py
+++ b/tests/components/whois/test_init.py
@@ -9,12 +9,9 @@ from whois.exceptions import (
     WhoisCommandFailed,
 )
 
-from homeassistant.components.sensor import DOMAIN as SENSOR_DOMAIN
 from homeassistant.components.whois.const import DOMAIN
 from homeassistant.config_entries import ConfigEntryState
-from homeassistant.const import CONF_DOMAIN
 from homeassistant.core import HomeAssistant
-from homeassistant.setup import async_setup_component
 
 from tests.common import MockConfigEntry
 
@@ -59,22 +56,3 @@ async def test_error_handling(
 
     assert mock_config_entry.state is ConfigEntryState.SETUP_RETRY
     assert len(mock_whois.mock_calls) == 1
-
-
-async def test_import_config(
-    hass: HomeAssistant,
-    mock_whois: MagicMock,
-    mock_whois_config_flow: MagicMock,
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    """Test the Whois being set up from config via import."""
-    assert await async_setup_component(
-        hass,
-        SENSOR_DOMAIN,
-        {SENSOR_DOMAIN: {"platform": DOMAIN, CONF_DOMAIN: "home-assistant.io"}},
-    )
-    await hass.async_block_till_done()
-
-    assert len(hass.config_entries.async_entries(DOMAIN)) == 1
-    assert len(mock_whois.mock_calls) == 1
-    assert "the Whois platform in YAML is deprecated" in caplog.text