diff --git a/pkgs/development/python-modules/bellows/default.nix b/pkgs/development/python-modules/bellows/default.nix
index e82df588323b..621f8ef5b2cc 100644
--- a/pkgs/development/python-modules/bellows/default.nix
+++ b/pkgs/development/python-modules/bellows/default.nix
@@ -1,5 +1,4 @@
 { lib
-, asynctest
 , buildPythonPackage
 , click
 , click-log
@@ -19,7 +18,7 @@ buildPythonPackage rec {
   version = "0.34.10";
   format = "setuptools";
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.8";
 
   src = fetchFromGitHub {
     owner = "zigpy";
@@ -41,8 +40,6 @@ buildPythonPackage rec {
     pytestCheckHook
     pytest-asyncio
     pytest-timeout
-  ]  ++ lib.optionals (pythonOlder "3.8") [
-    asynctest
   ];
 
   pythonImportsCheck = [