diff --git a/tests/common.py b/tests/common.py
index 9f7e19cf99a..d439021a9df 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -98,7 +98,6 @@ from homeassistant.helpers.entity_platform import (
     AddEntitiesCallback,
 )
 from homeassistant.helpers.json import JSONEncoder, _orjson_default_encoder, json_dumps
-from homeassistant.helpers.service_info.dhcp import DhcpServiceInfo
 from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 from homeassistant.util import dt as dt_util, ulid as ulid_util, uuid as uuid_util
 from homeassistant.util.async_ import (
@@ -1954,26 +1953,3 @@ def get_schema_suggested_value(schema: vol.Schema, key: str) -> Any | None:
                 return None
             return schema_key.description["suggested_value"]
     return None
-
-
-class MockDhcpServiceInfo(DhcpServiceInfo):
-    """Mocked DHCP service info."""
-
-    def __init__(self, ip: str, hostname: str, macaddress: str) -> None:
-        """Initialize the mock service info."""
-        # Historically, the MAC address was formatted without colons
-        # and since all consumers of this data are expecting it to be
-        # formatted without colons we will continue to do so
-        super().__init__(
-            ip=ip,
-            hostname=hostname,
-            macaddress=dr.format_mac(macaddress).replace(":", ""),
-        )
-
-    async def start_discovery_flow(
-        self, hass: HomeAssistant, domain: str
-    ) -> ConfigFlowResult:
-        """Start a reauthentication flow."""
-        return await hass.config_entries.flow.async_init(
-            domain, context={"source": config_entries.SOURCE_DHCP}, data=self
-        )
diff --git a/tests/components/airthings/test_config_flow.py b/tests/components/airthings/test_config_flow.py
index c6124054bb9..68fa677c9d2 100644
--- a/tests/components/airthings/test_config_flow.py
+++ b/tests/components/airthings/test_config_flow.py
@@ -11,7 +11,8 @@ from homeassistant.const import CONF_ID
 from homeassistant.core import HomeAssistant
 from homeassistant.data_entry_flow import FlowResultType
 
-from tests.common import MockConfigEntry, MockDhcpServiceInfo
+from tests.common import MockConfigEntry
+from tests.service_info import MockDhcpServiceInfo
 
 TEST_DATA = {
     CONF_ID: "client_id",
diff --git a/tests/components/airzone/test_config_flow.py b/tests/components/airzone/test_config_flow.py
index 91cd1fe21db..fa40d04a94d 100644
--- a/tests/components/airzone/test_config_flow.py
+++ b/tests/components/airzone/test_config_flow.py
@@ -28,7 +28,8 @@ from .util import (
     USER_INPUT,
 )
 
-from tests.common import MockConfigEntry, MockDhcpServiceInfo
+from tests.common import MockConfigEntry
+from tests.service_info import MockDhcpServiceInfo
 
 DHCP_SERVICE_INFO = MockDhcpServiceInfo(
     hostname="airzone",
diff --git a/tests/components/roborock/test_config_flow.py b/tests/components/roborock/test_config_flow.py
index 876b4991f8a..f2e093a49f9 100644
--- a/tests/components/roborock/test_config_flow.py
+++ b/tests/components/roborock/test_config_flow.py
@@ -22,7 +22,8 @@ from homeassistant.data_entry_flow import FlowResultType
 
 from .mock_data import MOCK_CONFIG, NETWORK_INFO, ROBOROCK_RRUID, USER_DATA, USER_EMAIL
 
-from tests.common import MockConfigEntry, MockDhcpServiceInfo
+from tests.common import MockConfigEntry
+from tests.service_info import MockDhcpServiceInfo
 
 DNCP_SERVICE_INFO = MockDhcpServiceInfo(
     ip=NETWORK_INFO.ip,
diff --git a/tests/components/wmspro/test_config_flow.py b/tests/components/wmspro/test_config_flow.py
index a82441c6478..39efcb41d65 100644
--- a/tests/components/wmspro/test_config_flow.py
+++ b/tests/components/wmspro/test_config_flow.py
@@ -12,7 +12,8 @@ from homeassistant.data_entry_flow import FlowResultType
 
 from . import setup_config_entry
 
-from tests.common import MockConfigEntry, MockDhcpServiceInfo
+from tests.common import MockConfigEntry
+from tests.service_info import MockDhcpServiceInfo
 
 
 async def test_config_flow(
diff --git a/tests/service_info.py b/tests/service_info.py
new file mode 100644
index 00000000000..0ed387e87a6
--- /dev/null
+++ b/tests/service_info.py
@@ -0,0 +1,32 @@
+"""Service info test helpers."""
+
+from __future__ import annotations
+
+from homeassistant import config_entries
+from homeassistant.config_entries import ConfigFlowResult
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import device_registry as dr
+from homeassistant.helpers.service_info.dhcp import DhcpServiceInfo
+
+
+class MockDhcpServiceInfo(DhcpServiceInfo):
+    """Mocked DHCP service info."""
+
+    def __init__(self, ip: str, hostname: str, macaddress: str) -> None:
+        """Initialize the mock service info."""
+        # Historically, the MAC address was formatted without colons
+        # and since all consumers of this data are expecting it to be
+        # formatted without colons we will continue to do so
+        super().__init__(
+            ip=ip,
+            hostname=hostname,
+            macaddress=dr.format_mac(macaddress).replace(":", ""),
+        )
+
+    async def start_discovery_flow(
+        self, hass: HomeAssistant, domain: str
+    ) -> ConfigFlowResult:
+        """Start a reauthentication flow."""
+        return await hass.config_entries.flow.async_init(
+            domain, context={"source": config_entries.SOURCE_DHCP}, data=self
+        )