diff --git a/tests/tests_devices/test_pilatus.py b/tests/tests_devices/test_pilatus.py
index 3c0bac2..2f1bb01 100644
--- a/tests/tests_devices/test_pilatus.py
+++ b/tests/tests_devices/test_pilatus.py
@@ -116,10 +116,8 @@ def test_pilatus_on_stop(pilatus):
 
 def test_pilatus_on_destroy(pilatus):
     """Test the on_destroy logic of the Pilatus detector."""
-    with mock.patch.object(pilatus, "on_stop") as mock_on_stop:
-        pilatus.destroy()
-        assert mock_on_stop.call_count == 1
-        assert pilatus._poll_thread_kill_event.is_set()
+    pilatus.destroy()
+    assert pilatus._poll_thread_kill_event.is_set()
 
 
 def test_pilatus_on_failure_callback(pilatus):