diff --git a/custom_components/keenetic_api/__init__.py b/custom_components/keenetic_api/__init__.py
index a4018cf..570c4d9 100644
--- a/custom_components/keenetic_api/__init__.py
+++ b/custom_components/keenetic_api/__init__.py
@@ -162,7 +162,8 @@ async def get_api(hass: HomeAssistant, data: dict[str, Any]) -> Router:
 @callback
 def remove_entities_or_devices(hass, entry) -> None:
     entity_registry = er.async_get(hass)
-    for entity in er.async_entries_for_config_entry(entity_registry, entry.entry_id):
+    entity_conf = er.async_entries_for_config_entry(entity_registry, entry.entry_id)
+    for entity in entity_conf:
         delete_ent = False
         if (
             entity.domain == "device_tracker"
@@ -194,14 +195,11 @@ def remove_entities_or_devices(hass, entry) -> None:
 
     device_registry = dr.async_get(hass)
     for device_entry in dr.async_entries_for_config_entry(device_registry, entry.entry_id):
-        if (
-            len(
-                er.async_entries_for_device(
-                    entity_registry, 
-                    device_entry.id
-                )
-            )
-            == 0
-        ):
-            _LOGGER.debug(f"Removing device: {device_entry.name} / {device_entry.identifiers}")
-            device_registry.async_remove_device(device_entry.id)
\ No newline at end of file
+        entity_dev = er.async_entries_for_device(entity_registry, device_entry.id)
+
+        if (len(entity_dev) == 0):
+            _LOGGER.debug(f"Removing device: {device_entry}")
+            device_registry.async_remove_device(device_entry.id)
+        elif not any(x in {x.entity_id for x in entity_conf} for x in {x.entity_id for x in entity_dev}):
+            _LOGGER.debug(f"Update device, remove_config_entry_id: {device_entry}")
+            device_registry.async_update_device(device_entry.id, remove_config_entry_id=entry.entry_id)
\ No newline at end of file
diff --git a/custom_components/keenetic_api/coordinator.py b/custom_components/keenetic_api/coordinator.py
index 125cdfb..4c74ff4 100644
--- a/custom_components/keenetic_api/coordinator.py
+++ b/custom_components/keenetic_api/coordinator.py
@@ -7,7 +7,6 @@
 from homeassistant.helpers.update_coordinator import (
     DataUpdateCoordinator, 
     UpdateFailed,
-    TimestampDataUpdateCoordinator,
 )
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.device_registry import CONNECTION_NETWORK_MAC, DeviceInfo
@@ -25,7 +24,7 @@
 _LOGGER = logging.getLogger(__name__)
 
 
-class KeeneticRouterCoordinator(TimestampDataUpdateCoordinator):
+class KeeneticRouterCoordinator(DataUpdateCoordinator):
     def __init__(
             self,
             hass: HomeAssistant,
diff --git a/custom_components/keenetic_api/device_tracker.py b/custom_components/keenetic_api/device_tracker.py
index 500b957..7c8cc90 100644
--- a/custom_components/keenetic_api/device_tracker.py
+++ b/custom_components/keenetic_api/device_tracker.py
@@ -89,7 +89,6 @@ def is_connected(self) -> bool:
     def device_info(self) -> DeviceInfo:
         """Return the device info."""
         return DeviceInfo(
-            identifiers={(DOMAIN, self.unique_id)},
             connections={(CONNECTION_NETWORK_MAC, self._mac)},
             name=self._attr_name,
             # via_device=(DOMAIN, format_mac(self._via_device_mac))
diff --git a/custom_components/keenetic_api/select.py b/custom_components/keenetic_api/select.py
index b6884d6..c4d1b95 100644
--- a/custom_components/keenetic_api/select.py
+++ b/custom_components/keenetic_api/select.py
@@ -77,8 +77,6 @@ def __init__(
         self._attr_options = list([select_options[policy] for policy in select_options])
         self._attr_device_info = DeviceInfo(
             connections={(CONNECTION_NETWORK_MAC, self._mac)},
-            identifiers={(DOMAIN, self._mac)},
-            # default_name=self._hostname,
             name=self._hostname,
             # via_device=(DOMAIN, format_mac(self.coordinator.router.mac)),
         )
diff --git a/custom_components/keenetic_api/sensor.py b/custom_components/keenetic_api/sensor.py
index 36bb6df..97f7b7f 100644
--- a/custom_components/keenetic_api/sensor.py
+++ b/custom_components/keenetic_api/sensor.py
@@ -45,12 +45,9 @@ class KeeneticRouterSensorEntityDescription(SensorEntityDescription):
     attributes_fn: Callable[[KeeneticFullData], dict[str, Any]] | None = None
 
 
-def convert_uptime(update_success_time: str, uptime: str) -> datetime:
+def convert_uptime(uptime: str) -> datetime:
     """Convert uptime."""
-    time_start = update_success_time.replace(microsecond=0) - timedelta(seconds=int(uptime))
-    _LOGGER.debug(f"Convert uptime: {update_success_time} / {uptime} / {time_start}")
-    return time_start
-
+    return (datetime.now(tz=UTC) - timedelta(seconds=int(uptime))).replace(second=0, microsecond=0)
 
 def ind_wan_ip_adress(fdata: KeeneticFullData):
     """Определение внешнего IP адреса."""
@@ -85,7 +82,7 @@ def ind_wan_ip_adress(fdata: KeeneticFullData):
         key="uptime",
         device_class=SensorDeviceClass.TIMESTAMP,
         entity_category=EntityCategory.DIAGNOSTIC,
-        value=lambda coordinator, key: convert_uptime(coordinator.last_update_success_time, coordinator.data.show_system[key]),
+        value=lambda coordinator, key: convert_uptime(coordinator.data.show_system[key]),
     ),
     KeeneticRouterSensorEntityDescription(
         key="wan_ip_adress",