Index: aiohttp-3.12.13/tests/conftest.py
===================================================================
--- aiohttp-3.12.13.orig/tests/conftest.py
+++ aiohttp-3.12.13/tests/conftest.py
@@ -12,7 +12,6 @@ from typing import Any, AsyncIterator, G
 from unittest import mock
 from uuid import uuid4
 
-import isal.isal_zlib
 import pytest
 import zlib_ng.zlib_ng
 from blockbuster import blockbuster_ctx
@@ -331,7 +330,7 @@ def unused_port_socket() -> Generator[so
         s.close()
 
 
-@pytest.fixture(params=[zlib, zlib_ng.zlib_ng, isal.isal_zlib])
+@pytest.fixture(params=[zlib, zlib_ng.zlib_ng])
 def parametrize_zlib_backend(
     request: pytest.FixtureRequest,
 ) -> Generator[None, None, None]: