diff --git a/tests/components/xiaomi_miio/test_config_flow.py b/tests/components/xiaomi_miio/test_config_flow.py
index 481be189ddd16d..707da4bff12ea8 100644
--- a/tests/components/xiaomi_miio/test_config_flow.py
+++ b/tests/components/xiaomi_miio/test_config_flow.py
@@ -704,7 +704,7 @@ async def test_config_flow_step_device_manual_model_succes(hass: HomeAssistant)
     }
 
 
-async def config_flow_device_success(hass, model_to_test):
+async def config_flow_device_success(hass: HomeAssistant, model_to_test: str) -> None:
     """Test a successful config flow for a device (base class)."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN, context={"source": config_entries.SOURCE_USER}
@@ -748,7 +748,7 @@ async def config_flow_device_success(hass, model_to_test):
     }
 
 
-async def config_flow_generic_roborock(hass):
+async def config_flow_generic_roborock(hass: HomeAssistant) -> None:
     """Test a successful config flow for a generic roborock vacuum."""
     dummy_model = "roborock.vacuum.dummy"
 
@@ -794,7 +794,9 @@ async def config_flow_generic_roborock(hass):
     }
 
 
-async def zeroconf_device_success(hass, zeroconf_name_to_test, model_to_test):
+async def zeroconf_device_success(
+    hass: HomeAssistant, zeroconf_name_to_test: str, model_to_test: str
+) -> None:
     """Test a successful zeroconf discovery of a device  (base class)."""
     result = await hass.config_entries.flow.async_init(
         const.DOMAIN,
diff --git a/tests/components/xiaomi_miio/test_select.py b/tests/components/xiaomi_miio/test_select.py
index f2f04127d75418..584ef910c9849f 100644
--- a/tests/components/xiaomi_miio/test_select.py
+++ b/tests/components/xiaomi_miio/test_select.py
@@ -141,7 +141,7 @@ async def test_select_coordinator_update(hass: HomeAssistant, setup_test) -> Non
     assert state.state == "left"
 
 
-async def setup_component(hass, entity_name):
+async def setup_component(hass: HomeAssistant, entity_name: str) -> str:
     """Set up component."""
     entity_id = f"{DOMAIN}.{entity_name}"
 
diff --git a/tests/components/xiaomi_miio/test_vacuum.py b/tests/components/xiaomi_miio/test_vacuum.py
index 54646d305139c7..64612f6f46422d 100644
--- a/tests/components/xiaomi_miio/test_vacuum.py
+++ b/tests/components/xiaomi_miio/test_vacuum.py
@@ -533,7 +533,7 @@ async def test_xiaomi_vacuum_fanspeeds(
     assert "Fan speed step not recognized" in caplog.text
 
 
-async def setup_component(hass, entity_name):
+async def setup_component(hass: HomeAssistant, entity_name: str) -> str:
     """Set up vacuum component."""
     entity_id = f"{DOMAIN}.{entity_name}"