diff --git a/homeassistant/components/edl21/sensor.py b/homeassistant/components/edl21/sensor.py
index 611c1b6ddfd..df9606475ff 100644
--- a/homeassistant/components/edl21/sensor.py
+++ b/homeassistant/components/edl21/sensor.py
@@ -413,12 +413,6 @@ class EDL21Entity(SensorEntity):
         self._telegram = telegram
         self._min_time = MIN_TIME_BETWEEN_UPDATES
         self._last_update = utcnow()
-        self._state_attrs = {
-            "status": "status",
-            "valTime": "val_time",
-            "scaler": "scaler",
-            "valueSignature": "value_signature",
-        }
         self._async_remove_dispatcher = None
         self.entity_description = entity_description
         self._attr_unique_id = f"{electricity_id}_{obis}"
@@ -462,15 +456,6 @@ class EDL21Entity(SensorEntity):
         """Return the value of the last received telegram."""
         return self._telegram.get("value")
 
-    @property
-    def extra_state_attributes(self) -> Mapping[str, Any]:
-        """Enumerate supported attributes."""
-        return {
-            self._state_attrs[k]: v
-            for k, v in self._telegram.items()
-            if k in self._state_attrs
-        }
-
     @property
     def native_unit_of_measurement(self) -> str | None:
         """Return the unit of measurement."""