diff --git a/qtrio/_pytest.py b/qtrio/_pytest.py
index 0f06d541..73ce84b5 100644
--- a/qtrio/_pytest.py
+++ b/qtrio/_pytest.py
@@ -29,40 +29,18 @@ def host(test_function: typing.Callable[..., typing.Awaitable[None]]):
         test_function: The pytest function to be tested.
     """
 
-    @pytest.mark.usefixtures("qapp", "qtbot")
+    @pytest.mark.usefixtures("qapp")
     @functools.wraps(test_function)
     def wrapper(*args, **kwargs):
         request = kwargs["request"]
 
         qapp = request.getfixturevalue("qapp")
-        qtbot = request.getfixturevalue("qtbot")
-
-        test_outcomes_sentinel = qtrio.Outcomes(
-            qt=outcome.Value(0), trio=outcome.Value(29),
-        )
-        test_outcomes = test_outcomes_sentinel
-
-        def done_callback(outcomes):
-            nonlocal test_outcomes
-            test_outcomes = outcomes
-
-        runner = qtrio._core.Runner(
-            application=qapp,
-            done_callback=done_callback,
-            quit_application=False,
-            timeout=timeout,
-        )
-
-        runner.run(
-            functools.partial(test_function, **kwargs),
-            *args,
-            execute_application=False,
-        )
-
-        # TODO: probably increases runtime of fast tests a lot due to polling
-        qtbot.wait_until(
-            lambda: test_outcomes is not test_outcomes_sentinel, timeout=3.14e8
-        )
+
+        runner = qtrio._core.Runner(application=qapp, timeout=timeout)
+
+        async_fn = functools.partial(test_function, *args, **kwargs)
+        test_outcomes = runner.run(async_fn=async_fn)
+
         test_outcomes.unwrap()
 
     return wrapper