diff --git a/tests/test_annotated.py b/tests/test_annotated.py
index beb4ce2293..4e03e0f752 100644
--- a/tests/test_annotated.py
+++ b/tests/test_annotated.py
@@ -73,20 +73,3 @@ async def cmd(val: Annotated[int, typer.Argument()] = 0):
     result = runner.invoke(app, ["42"])
     assert result.exit_code == 0, result.output
     assert "hello 42" in result.output
-
-if sys.version_info >= (3, 11):
-    def test_runner_can_use_a_custom_async_loop():
-        import asyncio
-        app = typer.Typer(loop_factory=asyncio.new_event_loop)
-        @app.command()
-        async def cmd(val: Annotated[int, typer.Argument()] = 0):
-            print(f"hello {val}")
-
-        result = runner.invoke(app)
-        assert result.exit_code == 0, result.output
-        assert "hello 0" in result.output
-
-        result = runner.invoke(app, ["42"])
-        assert result.exit_code == 0, result.output
-        assert "hello 42" in result.output
-
diff --git a/typer/main.py b/typer/main.py
index 039f816f80..b6dbe31d96 100644
--- a/typer/main.py
+++ b/typer/main.py
@@ -45,9 +45,8 @@
     console_stderr = Console(stderr=True)
 
 except ImportError:  # pragma: nocover
-    rich = None  # type: ignore
+    rich = None # type: ignore
 
-from asyncio import AbstractEventLoop
 
 _original_except_hook = sys.excepthook
 _typer_developer_exception_attr_name = "__typer_developer_exception__"
@@ -142,7 +141,6 @@ def __init__(
         pretty_exceptions_enable: bool = True,
         pretty_exceptions_show_locals: bool = True,
         pretty_exceptions_short: bool = True,
-        loop_factory: Optional[Callable[[], AbstractEventLoop]] = None,
     ):
         self._add_completion = add_completion
         self.rich_markup_mode: MarkupMode = rich_markup_mode
@@ -171,7 +169,6 @@ def __init__(
         self.registered_groups: List[TyperInfo] = []
         self.registered_commands: List[CommandInfo] = []
         self.registered_callback: Optional[TyperInfo] = None
-        self.loop_factory = loop_factory
 
     def callback(
         self,
@@ -243,10 +240,7 @@ def decorator(f: CommandFunctionType) -> CommandFunctionType:
             def add_runner(f: CommandFunctionType) -> CommandFunctionType:
                 @wraps(f)
                 def run_wrapper(*args: Any, **kwargs: Any) -> Any:
-                    if sys.version_info >= (3, 11) and self.loop_factory:
-                        with asyncio.Runner(loop_factory=self.loop_factory) as runner: #type: ignore
-                            return runner.run(f(*args, **kwargs))
-                    elif sys.version_info >= (3, 7):
+                    if sys.version_info >= (3, 7):
                         return asyncio.run(f(*args, **kwargs))
                     else:
                         asyncio.get_event_loop().run_until_complete(f(*args, **kwargs))