diff --git a/.strict-typing b/.strict-typing
index 33e608d38c8..501779c4700 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -196,8 +196,7 @@ homeassistant.components.here_travel_time.*
 homeassistant.components.history.*
 homeassistant.components.history_stats.*
 homeassistant.components.holiday.*
-homeassistant.components.homeassistant.exposed_entities
-homeassistant.components.homeassistant.triggers.event
+homeassistant.components.homeassistant.*
 homeassistant.components.homeassistant_alerts.*
 homeassistant.components.homeassistant_green.*
 homeassistant.components.homeassistant_hardware.*
diff --git a/homeassistant/components/homeassistant/__init__.py b/homeassistant/components/homeassistant/__init__.py
index c978a7d4320..0a5649ba26b 100644
--- a/homeassistant/components/homeassistant/__init__.py
+++ b/homeassistant/components/homeassistant/__init__.py
@@ -94,8 +94,8 @@ async def async_setup(hass: ha.HomeAssistant, config: ConfigType) -> bool:  # no
             sorted(all_referenced), lambda item: ha.split_entity_id(item)[0]
         )
 
-        tasks = []
-        unsupported_entities = set()
+        tasks: list[Coroutine[Any, Any, ha.ServiceResponse]] = []
+        unsupported_entities: set[str] = set()
 
         for domain, ent_ids in by_domain:
             # This leads to endless loop.
@@ -298,7 +298,7 @@ async def async_setup(hass: ha.HomeAssistant, config: ConfigType) -> bool:  # no
 
     async def async_handle_reload_config_entry(call: ha.ServiceCall) -> None:
         """Service handler for reloading a config entry."""
-        reload_entries = set()
+        reload_entries: set[str] = set()
         if ATTR_ENTRY_ID in call.data:
             reload_entries.add(call.data[ATTR_ENTRY_ID])
         reload_entries.update(await async_extract_config_entry_ids(hass, call))
@@ -376,7 +376,7 @@ async def async_setup(hass: ha.HomeAssistant, config: ConfigType) -> bool:  # no
     return True
 
 
-async def _async_stop(hass: ha.HomeAssistant, restart: bool):
+async def _async_stop(hass: ha.HomeAssistant, restart: bool) -> None:
     """Stop home assistant."""
     exit_code = RESTART_EXIT_CODE if restart else 0
     # Track trask in hass.data. No need to cleanup, we're stopping.
diff --git a/homeassistant/components/homeassistant/exposed_entities.py b/homeassistant/components/homeassistant/exposed_entities.py
index 926ab5025f6..b53f28f4cee 100644
--- a/homeassistant/components/homeassistant/exposed_entities.py
+++ b/homeassistant/components/homeassistant/exposed_entities.py
@@ -475,7 +475,7 @@ def ws_expose_new_entities_get(
 def ws_expose_new_entities_set(
     hass: HomeAssistant, connection: websocket_api.ActiveConnection, msg: dict[str, Any]
 ) -> None:
-    """Expose new entities to an assistatant."""
+    """Expose new entities to an assistant."""
     exposed_entities: ExposedEntities = hass.data[DATA_EXPOSED_ENTITIES]
     exposed_entities.async_set_expose_new_entities(msg["assistant"], msg["expose_new"])
     connection.send_result(msg["id"])
diff --git a/homeassistant/components/homeassistant/logbook.py b/homeassistant/components/homeassistant/logbook.py
index 229fb24cb27..60e8794799d 100644
--- a/homeassistant/components/homeassistant/logbook.py
+++ b/homeassistant/components/homeassistant/logbook.py
@@ -28,7 +28,7 @@ def async_describe_events(
 
     @callback
     def async_describe_hass_event(event: Event) -> dict[str, str]:
-        """Describe homeassisant logbook event."""
+        """Describe homeassistant logbook event."""
         return {
             LOGBOOK_ENTRY_NAME: "Home Assistant",
             LOGBOOK_ENTRY_MESSAGE: EVENT_TO_NAME[event.event_type],
diff --git a/homeassistant/components/homeassistant/scene.py b/homeassistant/components/homeassistant/scene.py
index 9abfefc996f..f8fd901a18a 100644
--- a/homeassistant/components/homeassistant/scene.py
+++ b/homeassistant/components/homeassistant/scene.py
@@ -135,7 +135,7 @@ class SceneConfig(NamedTuple):
     id: str | None
     name: str
     icon: str | None
-    states: dict
+    states: dict[str, State]
 
 
 @callback
diff --git a/homeassistant/components/homeassistant/system_health.py b/homeassistant/components/homeassistant/system_health.py
index 4006228de25..488328b6e4e 100644
--- a/homeassistant/components/homeassistant/system_health.py
+++ b/homeassistant/components/homeassistant/system_health.py
@@ -1,4 +1,8 @@
 """Provide info to system health."""
+from __future__ import annotations
+
+from typing import Any
+
 from homeassistant.components import system_health
 from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers import system_info
@@ -12,7 +16,7 @@ def async_register(
     register.async_register_info(system_health_info)
 
 
-async def system_health_info(hass):
+async def system_health_info(hass: HomeAssistant) -> dict[str, Any]:
     """Get info for the info page."""
     info = await system_info.async_get_system_info(hass)
 
diff --git a/homeassistant/components/homeassistant/trigger.py b/homeassistant/components/homeassistant/trigger.py
index 3160af58079..401da9d01e7 100644
--- a/homeassistant/components/homeassistant/trigger.py
+++ b/homeassistant/components/homeassistant/trigger.py
@@ -23,7 +23,7 @@ async def async_validate_trigger_config(
     if hasattr(platform, "async_validate_trigger_config"):
         return await platform.async_validate_trigger_config(hass, config)
 
-    return platform.TRIGGER_SCHEMA(config)
+    return platform.TRIGGER_SCHEMA(config)  # type: ignore[no-any-return]
 
 
 async def async_attach_trigger(
diff --git a/homeassistant/components/homeassistant/triggers/numeric_state.py b/homeassistant/components/homeassistant/triggers/numeric_state.py
index d822cd523fc..dad57bbcdb3 100644
--- a/homeassistant/components/homeassistant/triggers/numeric_state.py
+++ b/homeassistant/components/homeassistant/triggers/numeric_state.py
@@ -1,5 +1,10 @@
 """Offer numeric state listening automation rules."""
+from __future__ import annotations
+
+from collections.abc import Callable
+from datetime import timedelta
 import logging
+from typing import Any, TypeVar
 
 import voluptuous as vol
 
@@ -13,7 +18,7 @@ from homeassistant.const import (
     CONF_PLATFORM,
     CONF_VALUE_TEMPLATE,
 )
-from homeassistant.core import CALLBACK_TYPE, HassJob, HomeAssistant, callback
+from homeassistant.core import CALLBACK_TYPE, HassJob, HomeAssistant, State, callback
 from homeassistant.helpers import (
     condition,
     config_validation as cv,
@@ -21,14 +26,17 @@ from homeassistant.helpers import (
     template,
 )
 from homeassistant.helpers.event import (
+    EventStateChangedData,
     async_track_same_state,
     async_track_state_change_event,
 )
 from homeassistant.helpers.trigger import TriggerActionType, TriggerInfo
-from homeassistant.helpers.typing import ConfigType
+from homeassistant.helpers.typing import ConfigType, EventType
+
+_T = TypeVar("_T", bound=dict[str, Any])
 
 
-def validate_above_below(value):
+def validate_above_below(value: _T) -> _T:
     """Validate that above and below can co-exist."""
     above = value.get(CONF_ABOVE)
     below = value.get(CONF_BELOW)
@@ -96,9 +104,9 @@ async def async_attach_trigger(
     time_delta = config.get(CONF_FOR)
     template.attach(hass, time_delta)
     value_template = config.get(CONF_VALUE_TEMPLATE)
-    unsub_track_same = {}
-    armed_entities = set()
-    period: dict = {}
+    unsub_track_same: dict[str, Callable[[], None]] = {}
+    armed_entities: set[str] = set()
+    period: dict[str, timedelta] = {}
     attribute = config.get(CONF_ATTRIBUTE)
     job = HassJob(action, f"numeric state trigger {trigger_info}")
 
@@ -108,7 +116,7 @@ async def async_attach_trigger(
     if value_template is not None:
         value_template.hass = hass
 
-    def variables(entity_id):
+    def variables(entity_id: str) -> dict[str, Any]:
         """Return a dict with trigger variables."""
         trigger_info = {
             "trigger": {
@@ -122,7 +130,9 @@ async def async_attach_trigger(
         return {**_variables, **trigger_info}
 
     @callback
-    def check_numeric_state(entity_id, from_s, to_s):
+    def check_numeric_state(
+        entity_id: str, from_s: State | None, to_s: str | State | None
+    ) -> bool:
         """Return whether the criteria are met, raise ConditionError if unknown."""
         return condition.async_numeric_state(
             hass, to_s, below, above, value_template, variables(entity_id), attribute
@@ -141,14 +151,17 @@ async def async_attach_trigger(
             )
 
     @callback
-    def state_automation_listener(event):
+    def state_automation_listener(event: EventType[EventStateChangedData]) -> None:
         """Listen for state changes and calls action."""
-        entity_id = event.data.get("entity_id")
-        from_s = event.data.get("old_state")
-        to_s = event.data.get("new_state")
+        entity_id = event.data["entity_id"]
+        from_s = event.data["old_state"]
+        to_s = event.data["new_state"]
+
+        if to_s is None:
+            return
 
         @callback
-        def call_action():
+        def call_action() -> None:
             """Call action with right context."""
             hass.async_run_hass_job(
                 job,
@@ -169,7 +182,9 @@ async def async_attach_trigger(
             )
 
         @callback
-        def check_numeric_state_no_raise(entity_id, from_s, to_s):
+        def check_numeric_state_no_raise(
+            entity_id: str, from_s: State | None, to_s: State | None
+        ) -> bool:
             """Return True if the criteria are now met, False otherwise."""
             try:
                 return check_numeric_state(entity_id, from_s, to_s)
@@ -216,7 +231,7 @@ async def async_attach_trigger(
     unsub = async_track_state_change_event(hass, entity_ids, state_automation_listener)
 
     @callback
-    def async_remove():
+    def async_remove() -> None:
         """Remove state listeners async."""
         unsub()
         for async_remove in unsub_track_same.values():
diff --git a/homeassistant/components/homeassistant/triggers/state.py b/homeassistant/components/homeassistant/triggers/state.py
index 2cac07e7cd9..061c2468c30 100644
--- a/homeassistant/components/homeassistant/triggers/state.py
+++ b/homeassistant/components/homeassistant/triggers/state.py
@@ -1,6 +1,7 @@
 """Offer state listening automation rules."""
 from __future__ import annotations
 
+from collections.abc import Callable
 from datetime import timedelta
 import logging
 
@@ -114,7 +115,7 @@ async def async_attach_trigger(
     match_all = all(
         item not in config for item in (CONF_FROM, CONF_NOT_FROM, CONF_NOT_TO, CONF_TO)
     )
-    unsub_track_same = {}
+    unsub_track_same: dict[str, Callable[[], None]] = {}
     period: dict[str, timedelta] = {}
     attribute = config.get(CONF_ATTRIBUTE)
     job = HassJob(action, f"state trigger {trigger_info}")
@@ -158,7 +159,7 @@ async def async_attach_trigger(
             return
 
         @callback
-        def call_action():
+        def call_action() -> None:
             """Call action with right context."""
             hass.async_run_hass_job(
                 job,
@@ -201,7 +202,7 @@ async def async_attach_trigger(
             )
             return
 
-        def _check_same_state(_, _2, new_st: State | None) -> bool:
+        def _check_same_state(_: str, _2: State | None, new_st: State | None) -> bool:
             if new_st is None:
                 return False
 
@@ -227,7 +228,7 @@ async def async_attach_trigger(
     unsub = async_track_state_change_event(hass, entity_ids, state_automation_listener)
 
     @callback
-    def async_remove():
+    def async_remove() -> None:
         """Remove state listeners async."""
         unsub()
         for async_remove in unsub_track_same.values():
diff --git a/homeassistant/components/homeassistant/triggers/time.py b/homeassistant/components/homeassistant/triggers/time.py
index 5b3cd8590a7..3cb8809a7ad 100644
--- a/homeassistant/components/homeassistant/triggers/time.py
+++ b/homeassistant/components/homeassistant/triggers/time.py
@@ -53,7 +53,9 @@ async def async_attach_trigger(
     job = HassJob(action, f"time trigger {trigger_info}")
 
     @callback
-    def time_automation_listener(description, now, *, entity_id=None):
+    def time_automation_listener(
+        description: str, now: datetime, *, entity_id: str | None = None
+    ) -> None:
         """Listen for time changes and calls action."""
         hass.async_run_hass_job(
             job,
@@ -183,7 +185,7 @@ async def async_attach_trigger(
     )
 
     @callback
-    def remove_track_time_changes():
+    def remove_track_time_changes() -> None:
         """Remove tracked time changes."""
         for remove in entities.values():
             remove()
diff --git a/homeassistant/components/homeassistant/triggers/time_pattern.py b/homeassistant/components/homeassistant/triggers/time_pattern.py
index 63f9b18cf9b..d8ac55eb04f 100644
--- a/homeassistant/components/homeassistant/triggers/time_pattern.py
+++ b/homeassistant/components/homeassistant/triggers/time_pattern.py
@@ -1,4 +1,9 @@
 """Offer time listening automation rules."""
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any
+
 import voluptuous as vol
 
 from homeassistant.const import CONF_PLATFORM
@@ -19,15 +24,15 @@ class TimePattern:
     :raises Invalid: If the value has a wrong format or is outside the range.
     """
 
-    def __init__(self, maximum):
+    def __init__(self, maximum: int) -> None:
         """Initialize time pattern."""
         self.maximum = maximum
 
-    def __call__(self, value):
+    def __call__(self, value: Any) -> str | int:
         """Validate input."""
         try:
             if value == "*":
-                return value
+                return value  # type: ignore[no-any-return]
 
             if isinstance(value, str) and value.startswith("/"):
                 number = int(value[1:])
@@ -39,7 +44,7 @@ class TimePattern:
         except ValueError as err:
             raise vol.Invalid("invalid time_pattern value") from err
 
-        return value
+        return value  # type: ignore[no-any-return]
 
 
 TRIGGER_SCHEMA = vol.All(
@@ -75,7 +80,7 @@ async def async_attach_trigger(
         seconds = 0
 
     @callback
-    def time_automation_listener(now):
+    def time_automation_listener(now: datetime) -> None:
         """Listen for time changes and calls action."""
         hass.async_run_hass_job(
             job,
diff --git a/homeassistant/helpers/service.py b/homeassistant/helpers/service.py
index 656b2c21129..dee896ccba2 100644
--- a/homeassistant/helpers/service.py
+++ b/homeassistant/helpers/service.py
@@ -520,7 +520,7 @@ def async_extract_referenced_entity_ids(
 @bind_hass
 async def async_extract_config_entry_ids(
     hass: HomeAssistant, service_call: ServiceCall, expand_group: bool = True
-) -> set:
+) -> set[str]:
     """Extract referenced config entry ids from a service call."""
     referenced = async_extract_referenced_entity_ids(hass, service_call, expand_group)
     ent_reg = entity_registry.async_get(hass)
diff --git a/mypy.ini b/mypy.ini
index e68048c8001..3315704745f 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1721,17 +1721,7 @@ disallow_untyped_defs = true
 warn_return_any = true
 warn_unreachable = true
 
-[mypy-homeassistant.components.homeassistant.exposed_entities]
-check_untyped_defs = true
-disallow_incomplete_defs = true
-disallow_subclassing_any = true
-disallow_untyped_calls = true
-disallow_untyped_decorators = true
-disallow_untyped_defs = true
-warn_return_any = true
-warn_unreachable = true
-
-[mypy-homeassistant.components.homeassistant.triggers.event]
+[mypy-homeassistant.components.homeassistant.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true
 disallow_subclassing_any = true