diff --git a/homeassistant/components/proximity/__init__.py b/homeassistant/components/proximity/__init__.py
index d739efe39e7..813686789a2 100644
--- a/homeassistant/components/proximity/__init__.py
+++ b/homeassistant/components/proximity/__init__.py
@@ -38,7 +38,7 @@ from .const import (
     DOMAIN,
     UNITS,
 )
-from .coordinator import ProximityDataUpdateCoordinator
+from .coordinator import ProximityConfigEntry, ProximityDataUpdateCoordinator
 from .helpers import entity_used_in
 
 _LOGGER = logging.getLogger(__name__)
@@ -65,7 +65,9 @@ CONFIG_SCHEMA = vol.Schema(
 
 
 async def _async_setup_legacy(
-    hass: HomeAssistant, entry: ConfigEntry, coordinator: ProximityDataUpdateCoordinator
+    hass: HomeAssistant,
+    entry: ProximityConfigEntry,
+    coordinator: ProximityDataUpdateCoordinator,
 ) -> None:
     """Legacy proximity entity handling, can be removed in 2024.8."""
     friendly_name = entry.data[CONF_NAME]
@@ -133,12 +135,10 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     return True
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_setup_entry(hass: HomeAssistant, entry: ProximityConfigEntry) -> bool:
     """Set up Proximity from a config entry."""
     _LOGGER.debug("setup %s with config:%s", entry.title, entry.data)
 
-    hass.data.setdefault(DOMAIN, {})
-
     coordinator = ProximityDataUpdateCoordinator(hass, entry.title, dict(entry.data))
 
     entry.async_on_unload(
@@ -158,7 +158,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     )
 
     await coordinator.async_config_entry_first_refresh()
-    hass.data[DOMAIN][entry.entry_id] = coordinator
+    entry.runtime_data = coordinator
 
     if entry.source == SOURCE_IMPORT:
         await _async_setup_legacy(hass, entry, coordinator)
@@ -170,13 +170,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 
 async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
-    unload_ok = await hass.config_entries.async_unload_platforms(
-        entry, [Platform.SENSOR]
-    )
-    if unload_ok:
-        hass.data[DOMAIN].pop(entry.entry_id)
-
-    return unload_ok
+    return await hass.config_entries.async_unload_platforms(entry, [Platform.SENSOR])
 
 
 async def _async_update_listener(hass: HomeAssistant, entry: ConfigEntry) -> None:
diff --git a/homeassistant/components/proximity/coordinator.py b/homeassistant/components/proximity/coordinator.py
index ff7eedb5cd0..2fd463aa1b7 100644
--- a/homeassistant/components/proximity/coordinator.py
+++ b/homeassistant/components/proximity/coordinator.py
@@ -45,6 +45,8 @@ from .const import (
 
 _LOGGER = logging.getLogger(__name__)
 
+ProximityConfigEntry = ConfigEntry["ProximityDataUpdateCoordinator"]
+
 
 @dataclass
 class StateChangedData:
@@ -73,7 +75,7 @@ DEFAULT_PROXIMITY_DATA: dict[str, str | int | None] = {
 class ProximityDataUpdateCoordinator(DataUpdateCoordinator[ProximityData]):
     """Proximity data update coordinator."""
 
-    config_entry: ConfigEntry
+    config_entry: ProximityConfigEntry
 
     def __init__(
         self, hass: HomeAssistant, friendly_name: str, config: ConfigType
diff --git a/homeassistant/components/proximity/diagnostics.py b/homeassistant/components/proximity/diagnostics.py
index d296c489e94..805cbc192f9 100644
--- a/homeassistant/components/proximity/diagnostics.py
+++ b/homeassistant/components/proximity/diagnostics.py
@@ -8,7 +8,6 @@ from homeassistant.components.device_tracker import ATTR_GPS, ATTR_IP, ATTR_MAC
 from homeassistant.components.diagnostics import REDACTED, async_redact_data
 from homeassistant.components.person import ATTR_USER_ID
 from homeassistant.components.zone import DOMAIN as ZONE_DOMAIN
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
     ATTR_LATITUDE,
     ATTR_LONGITUDE,
@@ -19,8 +18,7 @@ from homeassistant.const import (
 )
 from homeassistant.core import HomeAssistant
 
-from .const import DOMAIN
-from .coordinator import ProximityDataUpdateCoordinator
+from .coordinator import ProximityConfigEntry
 
 TO_REDACT = {
     ATTR_GPS,
@@ -35,10 +33,10 @@ TO_REDACT = {
 
 
 async def async_get_config_entry_diagnostics(
-    hass: HomeAssistant, entry: ConfigEntry
+    hass: HomeAssistant, entry: ProximityConfigEntry
 ) -> dict[str, Any]:
     """Return diagnostics for a config entry."""
-    coordinator: ProximityDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    coordinator = entry.runtime_data
 
     diag_data = {
         "entry": entry.as_dict(),
diff --git a/homeassistant/components/proximity/sensor.py b/homeassistant/components/proximity/sensor.py
index 8eb7aae9bb9..55d4ca02b9b 100644
--- a/homeassistant/components/proximity/sensor.py
+++ b/homeassistant/components/proximity/sensor.py
@@ -9,7 +9,6 @@ from homeassistant.components.sensor import (
     SensorEntity,
     SensorEntityDescription,
 )
-from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import UnitOfLength
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import entity_registry as er
@@ -25,7 +24,7 @@ from .const import (
     ATTR_NEAREST_DIST_TO,
     DOMAIN,
 )
-from .coordinator import ProximityDataUpdateCoordinator
+from .coordinator import ProximityConfigEntry, ProximityDataUpdateCoordinator
 
 DIRECTIONS = ["arrived", "away_from", "stationary", "towards"]
 
@@ -81,11 +80,13 @@ def _device_info(coordinator: ProximityDataUpdateCoordinator) -> DeviceInfo:
 
 
 async def async_setup_entry(
-    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+    hass: HomeAssistant,
+    entry: ProximityConfigEntry,
+    async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Set up the proximity sensors."""
 
-    coordinator: ProximityDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+    coordinator = entry.runtime_data
 
     entities: list[ProximitySensor | ProximityTrackedEntitySensor] = [
         ProximitySensor(description, coordinator)