diff --git a/pkgs/development/python-modules/async_generator/default.nix b/pkgs/development/python-modules/async_generator/default.nix
index 6f6da10a87f9..277616849e15 100644
--- a/pkgs/development/python-modules/async_generator/default.nix
+++ b/pkgs/development/python-modules/async_generator/default.nix
@@ -2,7 +2,6 @@
 , buildPythonPackage
 , fetchPypi
 , pythonOlder
-, pytest-asyncio
 , pytestCheckHook
 }:
 
@@ -19,7 +18,6 @@ buildPythonPackage rec {
   };
 
   checkInputs = [
-    pytest-asyncio
     pytestCheckHook
   ];