diff --git a/homeassistant/components/unifiprotect/media_source.py b/homeassistant/components/unifiprotect/media_source.py
index 81054d9aff5..35f8a1eec2f 100644
--- a/homeassistant/components/unifiprotect/media_source.py
+++ b/homeassistant/components/unifiprotect/media_source.py
@@ -5,7 +5,7 @@ from __future__ import annotations
 import asyncio
 from datetime import date, datetime, timedelta
 from enum import Enum
-from typing import Any, cast
+from typing import Any, NoReturn, cast
 
 from pyunifiprotect.data import (
     Camera,
@@ -107,18 +107,13 @@ def _get_month_start_end(start: datetime) -> tuple[datetime, datetime]:
 
 
 @callback
-def _bad_identifier(identifier: str, err: Exception | None = None) -> BrowseMediaSource:
+def _bad_identifier(identifier: str, err: Exception | None = None) -> NoReturn:
     msg = f"Unexpected identifier: {identifier}"
     if err is None:
         raise BrowseError(msg)
     raise BrowseError(msg) from err
 
 
-@callback
-def _bad_identifier_media(identifier: str, err: Exception | None = None) -> PlayMedia:
-    return cast(PlayMedia, _bad_identifier(identifier, err))
-
-
 @callback
 def _format_duration(duration: timedelta) -> str:
     formatted = ""
@@ -164,20 +159,20 @@ class ProtectMediaSource(MediaSource):
 
         parts = item.identifier.split(":")
         if len(parts) != 3 or parts[1] not in ("event", "eventthumb"):
-            return _bad_identifier_media(item.identifier)
+            _bad_identifier(item.identifier)
 
         thumbnail_only = parts[1] == "eventthumb"
         try:
             data = self.data_sources[parts[0]]
         except (KeyError, IndexError) as err:
-            return _bad_identifier_media(item.identifier, err)
+            _bad_identifier(item.identifier, err)
 
         event = data.api.bootstrap.events.get(parts[2])
         if event is None:
             try:
                 event = await data.api.get_event(parts[2])
             except NvrError as err:
-                return _bad_identifier_media(item.identifier, err)
+                _bad_identifier(item.identifier, err)
             else:
                 # cache the event for later
                 data.api.bootstrap.events[event.id] = event
@@ -241,15 +236,15 @@ class ProtectMediaSource(MediaSource):
         try:
             data = self.data_sources[parts[0]]
         except (KeyError, IndexError) as err:
-            return _bad_identifier(item.identifier, err)
+            _bad_identifier(item.identifier, err)
 
         if len(parts) < 2:
-            return _bad_identifier(item.identifier)
+            _bad_identifier(item.identifier)
 
         try:
             identifier_type = IdentifierType(parts[1])
         except ValueError as err:
-            return _bad_identifier(item.identifier, err)
+            _bad_identifier(item.identifier, err)
 
         if identifier_type in (IdentifierType.EVENT, IdentifierType.EVENT_THUMB):
             thumbnail_only = identifier_type == IdentifierType.EVENT_THUMB
@@ -271,7 +266,7 @@ class ProtectMediaSource(MediaSource):
         try:
             event_type = SimpleEventType(parts.pop(0).lower())
         except (IndexError, ValueError) as err:
-            return _bad_identifier(item.identifier, err)
+            _bad_identifier(item.identifier, err)
 
         if len(parts) == 0:
             return await self._build_events_type(
@@ -281,17 +276,17 @@ class ProtectMediaSource(MediaSource):
         try:
             time_type = IdentifierTimeType(parts.pop(0))
         except ValueError as err:
-            return _bad_identifier(item.identifier, err)
+            _bad_identifier(item.identifier, err)
 
         if len(parts) == 0:
-            return _bad_identifier(item.identifier)
+            _bad_identifier(item.identifier)
 
         # {nvr_id}:browse:all|{camera_id}:all|{event_type}:recent:{day_count}
         if time_type == IdentifierTimeType.RECENT:
             try:
                 days = int(parts.pop(0))
             except (IndexError, ValueError) as err:
-                return _bad_identifier(item.identifier, err)
+                _bad_identifier(item.identifier, err)
 
             return await self._build_recent(
                 data, camera_id, event_type, days, build_children=True
@@ -302,7 +297,7 @@ class ProtectMediaSource(MediaSource):
         try:
             start, is_month, is_all = self._parse_range(parts)
         except (IndexError, ValueError) as err:
-            return _bad_identifier(item.identifier, err)
+            _bad_identifier(item.identifier, err)
 
         if is_month:
             return await self._build_month(
@@ -336,9 +331,7 @@ class ProtectMediaSource(MediaSource):
         try:
             event = await data.api.get_event(event_id)
         except NvrError as err:
-            return _bad_identifier(
-                f"{data.api.bootstrap.nvr.id}:{subtype}:{event_id}", err
-            )
+            _bad_identifier(f"{data.api.bootstrap.nvr.id}:{subtype}:{event_id}", err)
 
         if event.start is None or event.end is None:
             raise BrowseError("Event is still ongoing")