diff --git a/pytest.ini b/pytest.ini
deleted file mode 100644
index 97527120..00000000
--- a/pytest.ini
+++ /dev/null
@@ -1,3 +0,0 @@
-[pytest]
-asyncio_default_fixture_loop_scope = function
-
diff --git a/tox.ini b/tox.ini
index a67d4745..4c59d9a7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,6 +14,7 @@ markers =
     wait_for_idle: mark a test that waits for the model to be idle
     bundle: mark a test that uses a bundle
 asyncio_mode = auto
+asyncio_default_fixture_loop_scope = function
 filterwarnings =
     ignore::DeprecationWarning:websockets