diff --git a/homeassistant/components/bluetooth/scanner.py b/homeassistant/components/bluetooth/scanner.py
index 642bf13f7cd..8d4adfe9a3d 100644
--- a/homeassistant/components/bluetooth/scanner.py
+++ b/homeassistant/components/bluetooth/scanner.py
@@ -385,15 +385,11 @@ class HaScanner(BaseHaScanner):
 
     async def async_stop(self) -> None:
         """Stop bluetooth scanner."""
-        async with self._start_stop_lock:
-            await self._async_stop()
-
-    async def _async_stop(self) -> None:
-        """Cancel watchdog and bluetooth discovery under the lock."""
         if self._cancel_watchdog:
             self._cancel_watchdog()
             self._cancel_watchdog = None
-        await self._async_stop_scanner()
+        async with self._start_stop_lock:
+            await self._async_stop_scanner()
 
     async def _async_stop_scanner(self) -> None:
         """Stop bluetooth discovery under the lock."""