diff --git a/stdlib/asyncio/coroutines.pyi b/stdlib/asyncio/coroutines.pyi
index dea090682..e514b884c 100644
--- a/stdlib/asyncio/coroutines.pyi
+++ b/stdlib/asyncio/coroutines.pyi
@@ -3,5 +3,5 @@ from typing import Any, Callable, TypeVar
 _F = TypeVar("_F", bound=Callable[..., Any])
 
 def coroutine(func: _F) -> _F: ...
-def iscoroutinefunction(func: Callable[..., Any]) -> bool: ...
-def iscoroutine(obj: Any) -> bool: ...
+def iscoroutinefunction(func: object) -> bool: ...
+def iscoroutine(obj: object) -> bool: ...