diff --git a/homeassistant/components/onewire/sensor.py b/homeassistant/components/onewire/sensor.py
index 34ed66bd511..cee3e64d29f 100644
--- a/homeassistant/components/onewire/sensor.py
+++ b/homeassistant/components/onewire/sensor.py
@@ -2,8 +2,7 @@
 from __future__ import annotations
 
 from collections.abc import Callable, Mapping
-import copy
-from dataclasses import dataclass
+import dataclasses
 import logging
 import os
 from types import MappingProxyType
@@ -43,7 +42,7 @@ from .onewire_entities import OneWireEntity, OneWireEntityDescription
 from .onewirehub import OneWireHub
 
 
-@dataclass
+@dataclasses.dataclass
 class OneWireSensorEntityDescription(OneWireEntityDescription, SensorEntityDescription):
     """Class describing OneWire sensor entities."""
 
@@ -393,10 +392,12 @@ def get_entities(
                     ).decode()
                 )
                 if is_leaf:
-                    description = copy.deepcopy(description)
-                    description.device_class = SensorDeviceClass.HUMIDITY
-                    description.native_unit_of_measurement = PERCENTAGE
-                    description.translation_key = f"wetness_{s_id}"
+                    description = dataclasses.replace(
+                        description,
+                        device_class=SensorDeviceClass.HUMIDITY,
+                        native_unit_of_measurement=PERCENTAGE,
+                        translation_key=f"wetness_{s_id}",
+                    )
                     _LOGGER.info(description.translation_key)
             override_key = None
             if description.override_key: