diff --git a/homeassistant/components/switcher_kis/__init__.py b/homeassistant/components/switcher_kis/__init__.py
index 60b3b18b0b0..555ba951041 100644
--- a/homeassistant/components/switcher_kis/__init__.py
+++ b/homeassistant/components/switcher_kis/__init__.py
@@ -10,7 +10,9 @@ from aioswitcher.device import SwitcherBase
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import EVENT_HOMEASSISTANT_STOP, Platform
 from homeassistant.core import Event, HomeAssistant, callback
+from homeassistant.helpers import device_registry as dr
 
+from .const import DOMAIN
 from .coordinator import SwitcherDataUpdateCoordinator
 
 PLATFORMS = [
@@ -77,3 +79,12 @@ async def async_setup_entry(hass: HomeAssistant, entry: SwitcherConfigEntry) ->
 async def async_unload_entry(hass: HomeAssistant, entry: SwitcherConfigEntry) -> bool:
     """Unload a config entry."""
     return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
+
+
+async def async_remove_config_entry_device(
+    hass: HomeAssistant, config_entry: SwitcherConfigEntry, device_entry: dr.DeviceEntry
+) -> bool:
+    """Remove a config entry from a device."""
+    return not device_entry.identifiers.intersection(
+        (DOMAIN, device_id) for device_id in config_entry.runtime_data
+    )
diff --git a/tests/components/switcher_kis/test_init.py b/tests/components/switcher_kis/test_init.py
index 14217a7e044..a652348463e 100644
--- a/tests/components/switcher_kis/test_init.py
+++ b/tests/components/switcher_kis/test_init.py
@@ -4,16 +4,19 @@ from datetime import timedelta
 
 import pytest
 
-from homeassistant.components.switcher_kis.const import MAX_UPDATE_INTERVAL_SEC
+from homeassistant.components.switcher_kis.const import DOMAIN, MAX_UPDATE_INTERVAL_SEC
 from homeassistant.config_entries import ConfigEntryState
 from homeassistant.const import STATE_UNAVAILABLE
 from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr
+from homeassistant.setup import async_setup_component
 from homeassistant.util import dt as dt_util, slugify
 
 from . import init_integration
-from .consts import DUMMY_SWITCHER_DEVICES
+from .consts import DUMMY_DEVICE_ID1, DUMMY_DEVICE_ID4, DUMMY_SWITCHER_DEVICES
 
 from tests.common import async_fire_time_changed
+from tests.typing import WebSocketGenerator
 
 
 async def test_update_fail(
@@ -78,3 +81,56 @@ async def test_entry_unload(hass: HomeAssistant, mock_bridge) -> None:
 
     assert entry.state is ConfigEntryState.NOT_LOADED
     assert mock_bridge.is_running is False
+
+
+async def test_remove_device(
+    hass: HomeAssistant, mock_bridge, hass_ws_client: WebSocketGenerator
+) -> None:
+    """Test being able to remove a disconnected device."""
+    assert await async_setup_component(hass, "config", {})
+    entry = await init_integration(hass)
+    entry_id = entry.entry_id
+    assert mock_bridge
+
+    mock_bridge.mock_callbacks(DUMMY_SWITCHER_DEVICES)
+    await hass.async_block_till_done()
+
+    assert mock_bridge.is_running is True
+    assert len(entry.runtime_data) == 2
+
+    device_registry = dr.async_get(hass)
+    live_device_id = DUMMY_DEVICE_ID1
+    dead_device_id = DUMMY_DEVICE_ID4
+
+    assert len(dr.async_entries_for_config_entry(device_registry, entry_id)) == 2
+
+    # Create a dead device
+    device_registry.async_get_or_create(
+        config_entry_id=entry.entry_id,
+        identifiers={(DOMAIN, dead_device_id)},
+        manufacturer="Switcher",
+        model="Switcher Model",
+        name="Switcher Device",
+    )
+    await hass.async_block_till_done()
+    assert len(dr.async_entries_for_config_entry(device_registry, entry_id)) == 3
+
+    # Try to remove a live device - fails
+    device = device_registry.async_get_device(identifiers={(DOMAIN, live_device_id)})
+    client = await hass_ws_client(hass)
+    response = await client.remove_device(device.id, entry_id)
+    assert not response["success"]
+    assert len(dr.async_entries_for_config_entry(device_registry, entry_id)) == 3
+    assert (
+        device_registry.async_get_device(identifiers={(DOMAIN, live_device_id)})
+        is not None
+    )
+
+    # Try to remove a dead device - succeeds
+    device = device_registry.async_get_device(identifiers={(DOMAIN, dead_device_id)})
+    response = await client.remove_device(device.id, entry_id)
+    assert response["success"]
+    assert len(dr.async_entries_for_config_entry(device_registry, entry_id)) == 2
+    assert (
+        device_registry.async_get_device(identifiers={(DOMAIN, dead_device_id)}) is None
+    )