diff --git a/custom_components/stadtreinigung_hamburg/__init__.py b/custom_components/stadtreinigung_hamburg/__init__.py
index d8ac68b..380cfea 100644
--- a/custom_components/stadtreinigung_hamburg/__init__.py
+++ b/custom_components/stadtreinigung_hamburg/__init__.py
@@ -1,9 +1,12 @@
 """The Stadtreinigung Hamburg integration"""
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import Config, HomeAssistant
+import homeassistant.helpers.config_validation as cv
+from homeassistant.const import CONF_NAME
 
 DOMAIN = "stadtreinigung_hamburg"
 
+CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
 
 async def async_setup(hass, config):
     """Do not allow config via configuration.yaml"""
diff --git a/custom_components/stadtreinigung_hamburg/manifest.json b/custom_components/stadtreinigung_hamburg/manifest.json
index ed016d3..0708b66 100644
--- a/custom_components/stadtreinigung_hamburg/manifest.json
+++ b/custom_components/stadtreinigung_hamburg/manifest.json
@@ -12,5 +12,6 @@
         "lxml_html_clean"
     ],
     "config_flow": true,
+    "iot_class": "cloud_polling",
     "version": "1.1.5"
 }