diff --git a/custom_components/blanco_unit/__init__.py b/custom_components/blanco_unit/__init__.py
index 3d5ce10..7308482 100644
--- a/custom_components/blanco_unit/__init__.py
+++ b/custom_components/blanco_unit/__init__.py
@@ -24,6 +24,7 @@
     ConfigEntryNotReady,
     IntegrationError,
 )
+from homeassistant.helpers import config_validation as cv
 
 from .client import validate_pin
 from .const import (
@@ -53,6 +54,9 @@
 
 type BlancoUnitConfigEntry = ConfigEntry[BlancoUnitCoordinator]
 
+# set up through config entries only, async_setup only registers the services
+CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
+
 
 async def async_setup(hass: HomeAssistant, entry: BlancoUnitConfigEntry) -> bool:
     """Set up Blanco Unit integration services."""
diff --git a/custom_components/blanco_unit/manifest.json b/custom_components/blanco_unit/manifest.json
index 8c405d8..6f45cb9 100644
--- a/custom_components/blanco_unit/manifest.json
+++ b/custom_components/blanco_unit/manifest.json
@@ -13,6 +13,6 @@
   "integration_type": "device",
   "iot_class": "local_polling",
   "issue_tracker": "https://github.com/Nailik/blanco_unit/issues",
-  "requirements": ["bleak>=0.21.1"],
+  "requirements": [],
   "version": "0.0.13"
 }
diff --git a/pyproject.toml b/pyproject.toml
index e9b759a..a70ede0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -141,8 +141,6 @@ ignore = [
 
   "TRY003", # Avoid specifying long messages outside the exception class
   "TRY400", # Use `logging.exception` instead of `logging.error`
-  # Ignored due to performance: https://github.com/charliermarsh/ruff/issues/2923
-  "UP038", # Use `X | Y` in `isinstance` call instead of `(X, Y)`
   "UP046", # Non PEP 695 generic class
   "UP047", # Non PEP 696 generic function
   "UP049", # Avoid private type parameter names