diff --git a/homeassistant/components/pvoutput/const.py b/homeassistant/components/pvoutput/const.py
index 084ff809b27..f01d10fd13d 100644
--- a/homeassistant/components/pvoutput/const.py
+++ b/homeassistant/components/pvoutput/const.py
@@ -14,10 +14,4 @@ LOGGER = logging.getLogger(__package__)
 SCAN_INTERVAL = timedelta(minutes=2)
 
 
-ATTR_ENERGY_GENERATION = "energy_generation"
-ATTR_POWER_GENERATION = "power_generation"
-ATTR_ENERGY_CONSUMPTION = "energy_consumption"
-ATTR_POWER_CONSUMPTION = "power_consumption"
-ATTR_EFFICIENCY = "efficiency"
-
 CONF_SYSTEM_ID = "system_id"
diff --git a/homeassistant/components/pvoutput/sensor.py b/homeassistant/components/pvoutput/sensor.py
index de108329c45..7bd4b8789eb 100644
--- a/homeassistant/components/pvoutput/sensor.py
+++ b/homeassistant/components/pvoutput/sensor.py
@@ -14,8 +14,6 @@ from homeassistant.components.sensor import (
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
-    ATTR_TEMPERATURE,
-    ATTR_VOLTAGE,
     ELECTRIC_POTENTIAL_VOLT,
     ENERGY_KILO_WATT_HOUR,
     ENERGY_WATT_HOUR,
@@ -28,15 +26,7 @@ from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
 
-from .const import (
-    ATTR_EFFICIENCY,
-    ATTR_ENERGY_CONSUMPTION,
-    ATTR_ENERGY_GENERATION,
-    ATTR_POWER_CONSUMPTION,
-    ATTR_POWER_GENERATION,
-    CONF_SYSTEM_ID,
-    DOMAIN,
-)
+from .const import CONF_SYSTEM_ID, DOMAIN
 from .coordinator import PVOutputDataUpdateCoordinator
 
 
@@ -164,21 +154,3 @@ class PVOutputSensorEntity(
     def native_value(self) -> int | float | None:
         """Return the state of the device."""
         return self.entity_description.value_fn(self.coordinator.data)
-
-    @property
-    def extra_state_attributes(self) -> dict[str, int | float | None] | None:
-        """Return the state attributes of the monitored installation."""
-
-        # Only add attributes to the original sensor
-        if self.entity_description.key != "energy_generation":
-            return None
-
-        return {
-            ATTR_ENERGY_GENERATION: self.coordinator.data.energy_generation,
-            ATTR_POWER_GENERATION: self.coordinator.data.power_generation,
-            ATTR_ENERGY_CONSUMPTION: self.coordinator.data.energy_consumption,
-            ATTR_POWER_CONSUMPTION: self.coordinator.data.power_consumption,
-            ATTR_EFFICIENCY: self.coordinator.data.normalized_output,
-            ATTR_TEMPERATURE: self.coordinator.data.temperature,
-            ATTR_VOLTAGE: self.coordinator.data.voltage,
-        }