diff --git a/homeassistant/components/stream/core.py b/homeassistant/components/stream/core.py
index bf66ef729bd..5768f886adb 100644
--- a/homeassistant/components/stream/core.py
+++ b/homeassistant/components/stream/core.py
@@ -4,14 +4,13 @@ from __future__ import annotations
 import asyncio
 from collections import deque
 from collections.abc import Callable, Coroutine, Iterable
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 import datetime
 from enum import IntEnum
 import logging
 from typing import TYPE_CHECKING, Any
 
 from aiohttp import web
-import attr
 import numpy as np
 
 from homeassistant.components.http.view import HomeAssistantView
@@ -51,15 +50,15 @@ class Orientation(IntEnum):
     ROTATE_RIGHT = 8
 
 
-@attr.s(slots=True)
+@dataclass(slots=True)
 class StreamSettings:
     """Stream settings."""
 
-    ll_hls: bool = attr.ib()
-    min_segment_duration: float = attr.ib()
-    part_target_duration: float = attr.ib()
-    hls_advance_part_limit: int = attr.ib()
-    hls_part_timeout: float = attr.ib()
+    ll_hls: bool
+    min_segment_duration: float
+    part_target_duration: float
+    hls_advance_part_limit: int
+    hls_part_timeout: float
 
 
 STREAM_SETTINGS_NON_LL_HLS = StreamSettings(
@@ -81,29 +80,29 @@ class Part:
     data: bytes
 
 
-@attr.s(slots=True)
+@dataclass(slots=True)
 class Segment:
     """Represent a segment."""
 
-    sequence: int = attr.ib()
+    sequence: int
     # the init of the mp4 the segment is based on
-    init: bytes = attr.ib()
+    init: bytes
     # For detecting discontinuities across stream restarts
-    stream_id: int = attr.ib()
-    start_time: datetime.datetime = attr.ib()
-    _stream_outputs: Iterable[StreamOutput] = attr.ib()
-    duration: float = attr.ib(default=0)
-    parts: list[Part] = attr.ib(factory=list)
+    stream_id: int
+    start_time: datetime.datetime
+    _stream_outputs: Iterable[StreamOutput]
+    duration: float = 0
+    parts: list[Part] = field(default_factory=list)
     # Store text of this segment's hls playlist for reuse
     # Use list[str] for easy appends
-    hls_playlist_template: list[str] = attr.ib(factory=list)
-    hls_playlist_parts: list[str] = attr.ib(factory=list)
+    hls_playlist_template: list[str] = field(default_factory=list)
+    hls_playlist_parts: list[str] = field(default_factory=list)
     # Number of playlist parts rendered so far
-    hls_num_parts_rendered: int = attr.ib(default=0)
+    hls_num_parts_rendered: int = 0
     # Set to true when all the parts are rendered
-    hls_playlist_complete: bool = attr.ib(default=False)
+    hls_playlist_complete: bool = False
 
-    def __attrs_post_init__(self) -> None:
+    def __post_init__(self) -> None:
         """Run after init."""
         for output in self._stream_outputs:
             output.put(self)
diff --git a/homeassistant/components/stream/worker.py b/homeassistant/components/stream/worker.py
index cc4970c8a5e..3d27637c989 100644
--- a/homeassistant/components/stream/worker.py
+++ b/homeassistant/components/stream/worker.py
@@ -4,13 +4,13 @@ from __future__ import annotations
 from collections import defaultdict, deque
 from collections.abc import Callable, Generator, Iterator, Mapping
 import contextlib
+from dataclasses import fields
 import datetime
 from io import SEEK_END, BytesIO
 import logging
 from threading import Event
 from typing import Any, Self, cast
 
-import attr
 import av
 
 from homeassistant.core import HomeAssistant
@@ -283,7 +283,7 @@ class StreamMuxer:
             init=read_init(self._memory_file),
             # Fetch the latest StreamOutputs, which may have changed since the
             # worker started.
-            stream_outputs=self._stream_state.outputs,
+            _stream_outputs=self._stream_state.outputs,
             start_time=self._start_time,
         )
         self._memory_file_pos = self._memory_file.tell()
@@ -537,7 +537,7 @@ def stream_worker(
         audio_stream = None
     # Disable ll-hls for hls inputs
     if container.format.name == "hls":
-        for field in attr.fields(StreamSettings):
+        for field in fields(StreamSettings):
             setattr(
                 stream_settings,
                 field.name,
diff --git a/tests/components/stream/common.py b/tests/components/stream/common.py
index 7ea583c0ec3..ae4a4fc2d9d 100644
--- a/tests/components/stream/common.py
+++ b/tests/components/stream/common.py
@@ -24,7 +24,7 @@ DefaultSegment = partial(
     init=None,
     stream_id=0,
     start_time=FAKE_TIME,
-    stream_outputs=[],
+    _stream_outputs=[],
 )
 
 AUDIO_SAMPLE_RATE = 8000