diff --git a/tests/common.py b/tests/common.py
index 41b79f29475..b1e717756af 100644
--- a/tests/common.py
+++ b/tests/common.py
@@ -353,10 +353,11 @@ async def async_test_home_assistant(
 
     hass.set_state(CoreState.running)
 
-    async def clear_instance(event):
+    @callback
+    def clear_instance(event):
         """Clear global instance."""
-        await asyncio.sleep(0)  # Give aiohttp one loop iteration to close
-        INSTANCES.remove(hass)
+        # Give aiohttp one loop iteration to close
+        hass.loop.call_soon(INSTANCES.remove, hass)
 
     hass.bus.async_listen_once(EVENT_HOMEASSISTANT_CLOSE, clear_instance)