diff --git a/pkgs/development/python-modules/aiohttp/default.nix b/pkgs/development/python-modules/aiohttp/default.nix
index d481ea44be06..35d176e3f70b 100644
--- a/pkgs/development/python-modules/aiohttp/default.nix
+++ b/pkgs/development/python-modules/aiohttp/default.nix
@@ -61,10 +61,6 @@ buildPythonPackage rec {
     hash = "sha256-LqYGrrWgSZazk0hjQvTFwqtU/PtMEaPi+m1Ya8Ds+pU=";
   };
 
-  patches = lib.optionals (!lib.meta.availableOn stdenv.hostPlatform isa-l) [
-    ./remove-isal.patch
-  ];
-
   postPatch = ''
     rm -r vendor
     patchShebangs tools
diff --git a/pkgs/development/python-modules/aiohttp/remove-isal.patch b/pkgs/development/python-modules/aiohttp/remove-isal.patch
deleted file mode 100644
index 4a91fca368ae..000000000000
--- a/pkgs/development/python-modules/aiohttp/remove-isal.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff --git a/tests/conftest.py b/tests/conftest.py
-index 62fb04f2e..bb5b279dd 100644
---- a/tests/conftest.py
-+++ b/tests/conftest.py
-@@ -12,7 +12,6 @@ from typing import Any, AsyncIterator, Callable, Generator, Iterator
- from unittest import mock
- from uuid import uuid4
- 
--import isal.isal_zlib
- import pytest
- import zlib_ng.zlib_ng
- from blockbuster import blockbuster_ctx
-@@ -333,7 +332,7 @@ def unused_port_socket() -> Generator[socket.socket, None, None]:
-         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]: