diff --git a/homeassistant/components/mastodon/__init__.py b/homeassistant/components/mastodon/__init__.py
index e8d23434248..f7f974ffbb0 100644
--- a/homeassistant/components/mastodon/__init__.py
+++ b/homeassistant/components/mastodon/__init__.py
@@ -81,7 +81,7 @@ async def async_unload_entry(hass: HomeAssistant, entry: MastodonConfigEntry) ->
     )
 
 
-async def async_migrate_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+async def async_migrate_entry(hass: HomeAssistant, entry: MastodonConfigEntry) -> bool:
     """Migrate old config."""
 
     if entry.version == 1 and entry.minor_version == 1:
@@ -113,7 +113,7 @@ async def async_migrate_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     return True
 
 
-def setup_mastodon(entry: ConfigEntry) -> tuple[Mastodon, dict, dict]:
+def setup_mastodon(entry: MastodonConfigEntry) -> tuple[Mastodon, dict, dict]:
     """Get mastodon details."""
     client = create_mastodon_client(
         entry.data[CONF_BASE_URL],
diff --git a/homeassistant/components/mastodon/config_flow.py b/homeassistant/components/mastodon/config_flow.py
index 7c0985570f7..a36ba2e917f 100644
--- a/homeassistant/components/mastodon/config_flow.py
+++ b/homeassistant/components/mastodon/config_flow.py
@@ -8,7 +8,7 @@ from mastodon.Mastodon import MastodonNetworkError, MastodonUnauthorizedError
 import voluptuous as vol
 from yarl import URL
 
-from homeassistant.config_entries import ConfigEntry, ConfigFlow, ConfigFlowResult
+from homeassistant.config_entries import ConfigFlow, ConfigFlowResult
 from homeassistant.const import (
     CONF_ACCESS_TOKEN,
     CONF_CLIENT_ID,
@@ -53,7 +53,6 @@ class MastodonConfigFlow(ConfigFlow, domain=DOMAIN):
 
     VERSION = 1
     MINOR_VERSION = 2
-    config_entry: ConfigEntry
 
     def check_connection(
         self,