diff --git a/docs/source/quickstart/install.rst b/docs/source/quickstart/install.rst
index 981b75e7..93532990 100644
--- a/docs/source/quickstart/install.rst
+++ b/docs/source/quickstart/install.rst
@@ -36,7 +36,7 @@ Example where the ``cbor`` and ``msgpack`` extensions are installed:
    (.venv) $ pip install "easynetwork[cbor,msgpack]"
 
 
-.. seealso::
+.. todo::
 
-   :doc:`/api/lowlevel/async/backend`
-      See how ``sniffio`` is used.
+   Explain what we do with ``sniffio`` when adding documentation of ``AsyncIOBackend``
+   (because it is *NOT* for ``sniffio.current_async_library()``).
diff --git a/src/easynetwork/lowlevel/api_async/backend/_sniffio_helpers.py b/src/easynetwork/lowlevel/api_async/backend/_sniffio_helpers.py
index b9a1f8d5..22a8a9dc 100644
--- a/src/easynetwork/lowlevel/api_async/backend/_sniffio_helpers.py
+++ b/src/easynetwork/lowlevel/api_async/backend/_sniffio_helpers.py
@@ -16,35 +16,18 @@
 
 from __future__ import annotations
 
-__all__ = ["current_async_library", "setup_sniffio_contextvar"]
+__all__ = ["setup_sniffio_contextvar"]
 
 import contextvars
-import sys
-
-
-def _current_async_library_fallback() -> str:
-    if "asyncio" in sys.modules:
-        import asyncio
-
-        try:
-            asyncio.get_running_loop()
-        except RuntimeError:
-            pass
-        else:
-            return "asyncio"
-    raise RuntimeError("unknown async library, or not in async context")
-
 
 try:
     import sniffio
 except ModuleNotFoundError:
-    current_async_library = _current_async_library_fallback
 
     def setup_sniffio_contextvar(context: contextvars.Context, library_name: str | None, /) -> None:
         pass
 
 else:
-    current_async_library = sniffio.current_async_library
 
     def setup_sniffio_contextvar(context: contextvars.Context, library_name: str | None, /) -> None:
         context.run(sniffio.current_async_library_cvar.set, library_name)
diff --git a/tests/unit_test/test_async/test_lowlevel_api/test_backend/test_sniffio_helpers.py b/tests/unit_test/test_async/test_lowlevel_api/test_backend/test_sniffio_helpers.py
deleted file mode 100644
index 53d73eb8..00000000
--- a/tests/unit_test/test_async/test_lowlevel_api/test_backend/test_sniffio_helpers.py
+++ /dev/null
@@ -1,46 +0,0 @@
-from __future__ import annotations
-
-import sys
-
-from easynetwork.lowlevel.api_async.backend._sniffio_helpers import _current_async_library_fallback
-
-import pytest
-
-
-def test____current_async_library_fallback____asyncio_not_imported(
-    monkeypatch: pytest.MonkeyPatch,
-) -> None:
-    # Arrange
-    monkeypatch.delitem(sys.modules, "asyncio", raising=False)
-
-    # Act
-    with pytest.raises(RuntimeError, match=r"^unknown async library, or not in async context$"):
-        _current_async_library_fallback()
-
-    # Assert
-    assert "asyncio" not in sys.modules
-
-
-def test____current_async_library_fallback____asyncio_not_running() -> None:
-    # Arrange
-    import asyncio
-
-    del asyncio
-
-    # Act & Assert
-    with pytest.raises(RuntimeError, match=r"^unknown async library, or not in async context$"):
-        _current_async_library_fallback()
-
-
-def test____current_async_library_fallback____asyncio_is_running() -> None:
-    # Arrange
-    import asyncio
-
-    async def main() -> str:
-        return _current_async_library_fallback()
-
-    # Act
-    library_name = asyncio.run(main())
-
-    # Assert
-    assert library_name == "asyncio"