diff --git a/homeassistant/components/utility_meter/diagnostics.py b/homeassistant/components/utility_meter/diagnostics.py
index 57850beb0fb..1ff723f7a89 100644
--- a/homeassistant/components/utility_meter/diagnostics.py
+++ b/homeassistant/components/utility_meter/diagnostics.py
@@ -26,6 +26,9 @@ async def async_get_config_entry_diagnostics(
                 "entity_id": sensor.entity_id,
                 "extra_attributes": sensor.extra_state_attributes,
                 "last_sensor_data": restored_last_extra_data,
+                "period": sensor._period,  # noqa: SLF001
+                "cron": sensor._cron_pattern,  # noqa: SLF001
+                "source": sensor._sensor_source_id,  # noqa: SLF001
             }
         )
 
diff --git a/homeassistant/components/utility_meter/sensor.py b/homeassistant/components/utility_meter/sensor.py
index 96cfccfd211..4a68248f067 100644
--- a/homeassistant/components/utility_meter/sensor.py
+++ b/homeassistant/components/utility_meter/sensor.py
@@ -57,7 +57,6 @@ import homeassistant.util.dt as dt_util
 from homeassistant.util.enum import try_parse_enum
 
 from .const import (
-    ATTR_CRON_PATTERN,
     ATTR_NEXT_RESET,
     ATTR_VALUE,
     BIMONTHLY,
@@ -740,15 +739,10 @@ class UtilityMeterSensor(RestoreSensor):
     def extra_state_attributes(self):
         """Return the state attributes of the sensor."""
         state_attr = {
-            ATTR_SOURCE_ID: self._sensor_source_id,
             ATTR_STATUS: PAUSED if self._collecting is None else COLLECTING,
             ATTR_LAST_PERIOD: str(self._last_period),
             ATTR_LAST_VALID_STATE: str(self._last_valid_state),
         }
-        if self._period is not None:
-            state_attr[ATTR_PERIOD] = self._period
-        if self._cron_pattern is not None:
-            state_attr[ATTR_CRON_PATTERN] = self._cron_pattern
         if self._tariff is not None:
             state_attr[ATTR_TARIFF] = self._tariff
         # last_reset in utility meter was used before last_reset was added for long term
diff --git a/tests/components/utility_meter/snapshots/test_diagnostics.ambr b/tests/components/utility_meter/snapshots/test_diagnostics.ambr
index 9858973d912..28841854766 100644
--- a/tests/components/utility_meter/snapshots/test_diagnostics.ambr
+++ b/tests/components/utility_meter/snapshots/test_diagnostics.ambr
@@ -29,36 +29,36 @@
     }),
     'tariff_sensors': list([
       dict({
+        'cron': '0 0 1 * *',
         'entity_id': 'sensor.energy_bill_tariff0',
         'extra_attributes': dict({
-          'cron pattern': '0 0 1 * *',
           'last_period': '0',
           'last_reset': '2024-04-05T00:00:00+00:00',
           'last_valid_state': 'None',
-          'meter_period': 'monthly',
           'next_reset': '2024-05-01T00:00:00-07:00',
-          'source': 'sensor.input1',
           'status': 'collecting',
           'tariff': 'tariff0',
         }),
         'last_sensor_data': None,
         'name': 'Energy Bill tariff0',
+        'period': 'monthly',
+        'source': 'sensor.input1',
       }),
       dict({
+        'cron': '0 0 1 * *',
         'entity_id': 'sensor.energy_bill_tariff1',
         'extra_attributes': dict({
-          'cron pattern': '0 0 1 * *',
           'last_period': '0',
           'last_reset': '2024-04-05T00:00:00+00:00',
           'last_valid_state': 'None',
-          'meter_period': 'monthly',
           'next_reset': '2024-05-01T00:00:00-07:00',
-          'source': 'sensor.input1',
           'status': 'paused',
           'tariff': 'tariff1',
         }),
         'last_sensor_data': None,
         'name': 'Energy Bill tariff1',
+        'period': 'monthly',
+        'source': 'sensor.input1',
       }),
     ]),
   })
diff --git a/tests/components/utility_meter/test_config_flow.py b/tests/components/utility_meter/test_config_flow.py
index eccc1d3e12d..560566d7c49 100644
--- a/tests/components/utility_meter/test_config_flow.py
+++ b/tests/components/utility_meter/test_config_flow.py
@@ -332,8 +332,6 @@ async def test_options(hass: HomeAssistant) -> None:
 
     # Check config entry is reloaded with new options
     await hass.async_block_till_done()
-    state = hass.states.get("sensor.electricity_meter")
-    assert state.attributes["source"] == input_sensor2_entity_id
 
 
 async def test_change_device_source(