diff --git a/homeassistant/components/logbook/helpers.py b/homeassistant/components/logbook/helpers.py
index 0ac4efd60260..a8a07b26b6fe 100644
--- a/homeassistant/components/logbook/helpers.py
+++ b/homeassistant/components/logbook/helpers.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from collections.abc import Callable, Mapping
+from collections.abc import Callable, Collection, Mapping
 from typing import Any
 
 from homeassistant.components.sensor import ATTR_STATE_CLASS, NON_NUMERIC_DEVICE_CLASSES
@@ -75,12 +75,12 @@ def _async_config_entries_for_ids(
 
 def async_determine_event_types(
     hass: HomeAssistant, entity_ids: list[str] | None, device_ids: list[str] | None
-) -> tuple[EventType[Any] | str, ...]:
+) -> set[EventType[Any] | str]:
     """Reduce the event types based on the entity ids and device ids."""
     logbook_config: LogbookConfig = hass.data[DOMAIN]
     external_events = logbook_config.external_events
     if not entity_ids and not device_ids:
-        return (*BUILT_IN_EVENTS, *external_events)
+        return {*BUILT_IN_EVENTS, *external_events}
 
     interested_domains: set[str] = set()
     for entry_id in _async_config_entries_for_ids(hass, entity_ids, device_ids):
@@ -93,16 +93,16 @@ def async_determine_event_types(
     # to add them since we have historically included
     # them when matching only on entities
     #
-    intrested_event_types: set[EventType[Any] | str] = {
+    interested_event_types: set[EventType[Any] | str] = {
         external_event
         for external_event, domain_call in external_events.items()
         if domain_call[0] in interested_domains
     } | AUTOMATION_EVENTS
     if entity_ids:
         # We also allow entity_ids to be recorded via manual logbook entries.
-        intrested_event_types.add(EVENT_LOGBOOK_ENTRY)
+        interested_event_types.add(EVENT_LOGBOOK_ENTRY)
 
-    return tuple(intrested_event_types)
+    return interested_event_types
 
 
 @callback
@@ -187,7 +187,7 @@ def async_subscribe_events(
     hass: HomeAssistant,
     subscriptions: list[CALLBACK_TYPE],
     target: Callable[[Event[Any]], None],
-    event_types: tuple[EventType[Any] | str, ...],
+    event_types: Collection[EventType[Any] | str],
     entities_filter: Callable[[str], bool] | None,
     entity_ids: list[str] | None,
     device_ids: list[str] | None,
diff --git a/homeassistant/components/logbook/processor.py b/homeassistant/components/logbook/processor.py
index 7128d45e61c6..366127342f95 100644
--- a/homeassistant/components/logbook/processor.py
+++ b/homeassistant/components/logbook/processor.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from collections.abc import Callable, Generator, Sequence
+from collections.abc import Callable, Collection, Generator, Sequence
 from dataclasses import dataclass, field
 from datetime import datetime as dt
 import logging
@@ -126,7 +126,7 @@ class EventProcessor:
     def __init__(
         self,
         hass: HomeAssistant,
-        event_types: tuple[EventType[Any] | str, ...],
+        event_types: Collection[EventType[Any] | str],
         entity_ids: list[str] | None = None,
         device_ids: list[str] | None = None,
         context_id: str | None = None,
diff --git a/homeassistant/components/logbook/websocket_api.py b/homeassistant/components/logbook/websocket_api.py
index e0d8989e633e..2d5119c7ae61 100644
--- a/homeassistant/components/logbook/websocket_api.py
+++ b/homeassistant/components/logbook/websocket_api.py
@@ -20,7 +20,6 @@ from homeassistant.helpers.event import async_track_point_in_utc_time
 from homeassistant.helpers.json import json_bytes
 from homeassistant.util import dt as dt_util
 from homeassistant.util.async_ import create_eager_task
-from homeassistant.util.event_type import EventType
 
 from .const import DOMAIN
 from .helpers import (
@@ -366,16 +365,11 @@ async def ws_event_stream(
     # cache parent user_ids as they fire. Historical queries don't — the
     # context_only join fetches them by context_id regardless of type.
     # Unfiltered streams already include it via BUILT_IN_EVENTS.
-    live_event_types: tuple[EventType[Any] | str, ...] = (
-        event_types
-        if EVENT_CALL_SERVICE in event_types
-        else (*event_types, EVENT_CALL_SERVICE)
-    )
     async_subscribe_events(
         hass,
         subscriptions,
         _queue_or_cancel,
-        live_event_types,
+        {*event_types, EVENT_CALL_SERVICE},
         entities_filter,
         entity_ids,
         device_ids,