diff --git a/homeassistant/components/fritz/__init__.py b/homeassistant/components/fritz/__init__.py
index 9610fe4b34d..faf82b4b516 100644
--- a/homeassistant/components/fritz/__init__.py
+++ b/homeassistant/components/fritz/__init__.py
@@ -33,7 +33,7 @@ CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up fritzboxtools integration."""
-    await async_setup_services(hass)
+    async_setup_services(hass)
     return True
 
 
diff --git a/homeassistant/components/fritz/services.py b/homeassistant/components/fritz/services.py
index 02e6c91f4bf..bba80eadf98 100644
--- a/homeassistant/components/fritz/services.py
+++ b/homeassistant/components/fritz/services.py
@@ -10,7 +10,7 @@ from fritzconnection.core.exceptions import (
 from fritzconnection.lib.fritzwlan import DEFAULT_PASSWORD_LENGTH
 import voluptuous as vol
 
-from homeassistant.core import HomeAssistant, ServiceCall
+from homeassistant.core import HomeAssistant, ServiceCall, callback
 from homeassistant.exceptions import HomeAssistantError, ServiceValidationError
 from homeassistant.helpers.service import async_extract_config_entry_ids
 
@@ -64,7 +64,8 @@ async def _async_set_guest_wifi_password(service_call: ServiceCall) -> None:
             ) from ex
 
 
-async def async_setup_services(hass: HomeAssistant) -> None:
+@callback
+def async_setup_services(hass: HomeAssistant) -> None:
     """Set up services for Fritz integration."""
 
     hass.services.async_register(
diff --git a/homeassistant/components/homematicip_cloud/__init__.py b/homeassistant/components/homematicip_cloud/__init__.py
index 9cf9ab28db7..30038d1f897 100644
--- a/homeassistant/components/homematicip_cloud/__init__.py
+++ b/homeassistant/components/homematicip_cloud/__init__.py
@@ -63,7 +63,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
                 )
             )
 
-    await async_setup_services(hass)
+    async_setup_services(hass)
 
     return True
 
diff --git a/homeassistant/components/homematicip_cloud/services.py b/homeassistant/components/homematicip_cloud/services.py
index a0308b14d7e..1cfb3a55552 100644
--- a/homeassistant/components/homematicip_cloud/services.py
+++ b/homeassistant/components/homematicip_cloud/services.py
@@ -12,7 +12,7 @@ from homematicip.group import HeatingGroup
 import voluptuous as vol
 
 from homeassistant.const import ATTR_ENTITY_ID, ATTR_TEMPERATURE
-from homeassistant.core import HomeAssistant, ServiceCall
+from homeassistant.core import HomeAssistant, ServiceCall, callback
 from homeassistant.exceptions import ServiceValidationError
 from homeassistant.helpers import config_validation as cv
 from homeassistant.helpers.config_validation import comp_entity_ids
@@ -120,7 +120,8 @@ SCHEMA_SET_HOME_COOLING_MODE = vol.Schema(
 )
 
 
-async def async_setup_services(hass: HomeAssistant) -> None:
+@callback
+def async_setup_services(hass: HomeAssistant) -> None:
     """Set up the HomematicIP Cloud services."""
 
     @verify_domain_control(hass, DOMAIN)
diff --git a/homeassistant/components/plex/__init__.py b/homeassistant/components/plex/__init__.py
index eb57dc46727..bc117e4c7f4 100644
--- a/homeassistant/components/plex/__init__.py
+++ b/homeassistant/components/plex/__init__.py
@@ -105,7 +105,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     )
     hass.data.setdefault(DOMAIN, hass_data)
 
-    await async_setup_services(hass)
+    async_setup_services(hass)
 
     hass.http.register_view(PlexImageView())
 
diff --git a/homeassistant/components/plex/services.py b/homeassistant/components/plex/services.py
index 6412a4c3927..1ff7820a2c0 100644
--- a/homeassistant/components/plex/services.py
+++ b/homeassistant/components/plex/services.py
@@ -7,7 +7,7 @@ from plexapi.exceptions import NotFound
 import voluptuous as vol
 from yarl import URL
 
-from homeassistant.core import HomeAssistant, ServiceCall
+from homeassistant.core import HomeAssistant, ServiceCall, callback
 from homeassistant.exceptions import HomeAssistantError
 
 from .const import DOMAIN, PLEX_URI_SCHEME, SERVERS, SERVICE_REFRESH_LIBRARY
@@ -23,7 +23,8 @@ REFRESH_LIBRARY_SCHEMA = vol.Schema(
 _LOGGER = logging.getLogger(__package__)
 
 
-async def async_setup_services(hass: HomeAssistant) -> None:
+@callback
+def async_setup_services(hass: HomeAssistant) -> None:
     """Set up services for the Plex component."""
 
     async def async_refresh_library_service(service_call: ServiceCall) -> None: