diff --git a/tests/asyncio_legacy.py b/tests/asyncio_legacy.py
deleted file mode 100644
index bc054b7e36e..00000000000
--- a/tests/asyncio_legacy.py
+++ /dev/null
@@ -1,128 +0,0 @@
-"""Minimal legacy asyncio.coroutine."""
-
-# flake8: noqa
-# stubbing out for integrations that have
-# not yet been updated for python 3.11
-# but can still run on python 3.10
-#
-# Remove this once rflink, fido, and blackbird
-# have had their libraries updated to remove
-# asyncio.coroutine
-from asyncio import base_futures, constants, format_helpers
-from asyncio.coroutines import _is_coroutine
-import collections.abc
-import functools
-import inspect
-import logging
-import traceback
-import types
-import warnings
-
-logger = logging.getLogger(__name__)
-
-
-class CoroWrapper:
-    # Wrapper for coroutine object in _DEBUG mode.
-
-    def __init__(self, gen, func=None):
-        assert inspect.isgenerator(gen) or inspect.iscoroutine(gen), gen
-        self.gen = gen
-        self.func = func  # Used to unwrap @coroutine decorator
-        self._source_traceback = format_helpers.extract_stack(sys._getframe(1))
-        self.__name__ = getattr(gen, "__name__", None)
-        self.__qualname__ = getattr(gen, "__qualname__", None)
-
-    def __iter__(self):
-        return self
-
-    def __next__(self):
-        return self.gen.send(None)
-
-    def send(self, value):
-        return self.gen.send(value)
-
-    def throw(self, type, value=None, traceback=None):
-        return self.gen.throw(type, value, traceback)
-
-    def close(self):
-        return self.gen.close()
-
-    @property
-    def gi_frame(self):
-        return self.gen.gi_frame
-
-    @property
-    def gi_running(self):
-        return self.gen.gi_running
-
-    @property
-    def gi_code(self):
-        return self.gen.gi_code
-
-    def __await__(self):
-        return self
-
-    @property
-    def gi_yieldfrom(self):
-        return self.gen.gi_yieldfrom
-
-    def __del__(self):
-        # Be careful accessing self.gen.frame -- self.gen might not exist.
-        gen = getattr(self, "gen", None)
-        frame = getattr(gen, "gi_frame", None)
-        if frame is not None and frame.f_lasti == -1:
-            msg = f"{self!r} was never yielded from"
-            tb = getattr(self, "_source_traceback", ())
-            if tb:
-                tb = "".join(traceback.format_list(tb))
-                msg += (
-                    f"\nCoroutine object created at "
-                    f"(most recent call last, truncated to "
-                    f"{constants.DEBUG_STACK_DEPTH} last lines):\n"
-                )
-                msg += tb.rstrip()
-            logger.error(msg)
-
-
-def legacy_coroutine(func):
-    """Decorator to mark coroutines.
-    If the coroutine is not yielded from before it is destroyed,
-    an error message is logged.
-    """
-    warnings.warn(
-        '"@coroutine" decorator is deprecated since Python 3.8, use "async def" instead',
-        DeprecationWarning,
-        stacklevel=2,
-    )
-    if inspect.iscoroutinefunction(func):
-        # In Python 3.5 that's all we need to do for coroutines
-        # defined with "async def".
-        return func
-
-    if inspect.isgeneratorfunction(func):
-        coro = func
-    else:
-
-        @functools.wraps(func)
-        def coro(*args, **kw):
-            res = func(*args, **kw)
-            if (
-                base_futures.isfuture(res)
-                or inspect.isgenerator(res)
-                or isinstance(res, CoroWrapper)
-            ):
-                res = yield from res
-            else:
-                # If 'res' is an awaitable, run it.
-                try:
-                    await_meth = res.__await__
-                except AttributeError:
-                    pass
-                else:
-                    if isinstance(res, collections.abc.Awaitable):
-                        res = yield from await_meth()
-            return res
-
-    wrapper = types.coroutine(coro)
-    wrapper._is_coroutine = _is_coroutine  # For iscoroutinefunction().
-    return wrapper
diff --git a/tests/conftest.py b/tests/conftest.py
index 0307e65d272..32b6f98ca72 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -11,7 +11,6 @@ import itertools
 import logging
 import sqlite3
 import ssl
-import sys
 import threading
 from typing import TYPE_CHECKING, Any, ParamSpec, TypeVar, cast
 from unittest.mock import AsyncMock, MagicMock, Mock, patch
@@ -108,11 +107,6 @@ asyncio.set_event_loop_policy(runner.HassEventLoopPolicy(False))
 # Disable fixtures overriding our beautiful policy
 asyncio.set_event_loop_policy = lambda policy: None
 
-if sys.version_info[:2] >= (3, 11):
-    from .asyncio_legacy import legacy_coroutine
-
-    setattr(asyncio, "coroutine", legacy_coroutine)
-
 
 def _utcnow() -> datetime.datetime:
     """Make utcnow patchable by freezegun."""