diff --git a/homeassistant/components/litterrobot/entity.py b/homeassistant/components/litterrobot/entity.py
index 2c4ed37f955..51b88bb4f79 100644
--- a/homeassistant/components/litterrobot/entity.py
+++ b/homeassistant/components/litterrobot/entity.py
@@ -9,7 +9,7 @@ from typing import Any
 from pylitterbot import Robot
 from pylitterbot.exceptions import InvalidCommandException
 
-from homeassistant.core import callback
+from homeassistant.core import CALLBACK_TYPE, callback
 from homeassistant.helpers.entity import DeviceInfo, EntityCategory
 from homeassistant.helpers.event import async_call_later
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
@@ -60,7 +60,7 @@ class LitterRobotControlEntity(LitterRobotEntity):
     def __init__(self, robot: Robot, entity_type: str, hub: LitterRobotHub) -> None:
         """Init a Litter-Robot control entity."""
         super().__init__(robot=robot, entity_type=entity_type, hub=hub)
-        self._refresh_callback = None
+        self._refresh_callback: CALLBACK_TYPE | None = None
 
     async def perform_action_and_refresh(
         self, action: MethodType, *args: Any, **kwargs: Any
@@ -99,8 +99,11 @@ class LitterRobotControlEntity(LitterRobotEntity):
             self._refresh_callback = None
 
     @staticmethod
-    def parse_time_at_default_timezone(time_str: str) -> time | None:
+    def parse_time_at_default_timezone(time_str: str | None) -> time | None:
         """Parse a time string and add default timezone."""
+        if time_str is None:
+            return None
+
         if (parsed_time := dt_util.parse_time(time_str)) is None:
             return None
 
@@ -127,7 +130,7 @@ class LitterRobotConfigEntity(LitterRobotControlEntity):
 
     async def perform_action_and_assume_state(
         self, action: MethodType, assumed_state: Any
-    ) -> bool:
+    ) -> None:
         """Perform an action and assume the state passed in if call is successful."""
         if await self.perform_action_and_refresh(action, assumed_state):
             self._assumed_state = assumed_state
diff --git a/homeassistant/components/litterrobot/hub.py b/homeassistant/components/litterrobot/hub.py
index 3aa86dcc93a..49fba822a6f 100644
--- a/homeassistant/components/litterrobot/hub.py
+++ b/homeassistant/components/litterrobot/hub.py
@@ -1,4 +1,7 @@
 """A wrapper 'hub' for the Litter-Robot API."""
+from __future__ import annotations
+
+from collections.abc import Mapping
 from datetime import timedelta
 import logging
 
@@ -19,10 +22,11 @@ UPDATE_INTERVAL_SECONDS = 20
 class LitterRobotHub:
     """A Litter-Robot hub wrapper class."""
 
-    def __init__(self, hass: HomeAssistant, data: dict) -> None:
+    account: Account
+
+    def __init__(self, hass: HomeAssistant, data: Mapping) -> None:
         """Initialize the Litter-Robot hub."""
         self._data = data
-        self.account = None
         self.logged_in = False
 
         async def _async_update_data() -> bool:
@@ -40,7 +44,6 @@ class LitterRobotHub:
 
     async def login(self, load_robots: bool = False) -> None:
         """Login to Litter-Robot."""
-        self.logged_in = False
         self.account = Account()
         try:
             await self.account.connect(
@@ -48,8 +51,7 @@ class LitterRobotHub:
                 password=self._data[CONF_PASSWORD],
                 load_robots=load_robots,
             )
-            self.logged_in = True
-            return self.logged_in
+            return
         except LitterRobotLoginException as ex:
             _LOGGER.error("Invalid credentials")
             raise ex
diff --git a/mypy.ini b/mypy.ini
index 95e2090f061..c72dfbee1bd 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -2420,30 +2420,6 @@ ignore_errors = true
 [mypy-homeassistant.components.kostal_plenticore.switch]
 ignore_errors = true
 
-[mypy-homeassistant.components.litterrobot]
-ignore_errors = true
-
-[mypy-homeassistant.components.litterrobot.button]
-ignore_errors = true
-
-[mypy-homeassistant.components.litterrobot.entity]
-ignore_errors = true
-
-[mypy-homeassistant.components.litterrobot.hub]
-ignore_errors = true
-
-[mypy-homeassistant.components.litterrobot.select]
-ignore_errors = true
-
-[mypy-homeassistant.components.litterrobot.sensor]
-ignore_errors = true
-
-[mypy-homeassistant.components.litterrobot.switch]
-ignore_errors = true
-
-[mypy-homeassistant.components.litterrobot.vacuum]
-ignore_errors = true
-
 [mypy-homeassistant.components.lovelace]
 ignore_errors = true
 
diff --git a/script/hassfest/mypy_config.py b/script/hassfest/mypy_config.py
index 99104702f26..53468caa29d 100644
--- a/script/hassfest/mypy_config.py
+++ b/script/hassfest/mypy_config.py
@@ -97,14 +97,6 @@ IGNORED_MODULES: Final[list[str]] = [
     "homeassistant.components.kostal_plenticore.select",
     "homeassistant.components.kostal_plenticore.sensor",
     "homeassistant.components.kostal_plenticore.switch",
-    "homeassistant.components.litterrobot",
-    "homeassistant.components.litterrobot.button",
-    "homeassistant.components.litterrobot.entity",
-    "homeassistant.components.litterrobot.hub",
-    "homeassistant.components.litterrobot.select",
-    "homeassistant.components.litterrobot.sensor",
-    "homeassistant.components.litterrobot.switch",
-    "homeassistant.components.litterrobot.vacuum",
     "homeassistant.components.lovelace",
     "homeassistant.components.lovelace.dashboard",
     "homeassistant.components.lovelace.resources",