diff --git a/homeassistant/components/samsungtv/__init__.py b/homeassistant/components/samsungtv/__init__.py
index c5814214bee..55d0fbdfbdb 100644
--- a/homeassistant/components/samsungtv/__init__.py
+++ b/homeassistant/components/samsungtv/__init__.py
@@ -165,10 +165,9 @@ class DebouncedEntryReloader:
         LOGGER.debug("Calling debouncer to get a reload after cooldown")
         await self._debounced_reload.async_call()
 
-    @callback
-    def async_shutdown(self) -> None:
+    async def async_shutdown(self) -> None:
         """Cancel any pending reload."""
-        self._debounced_reload.async_shutdown()
+        await self._debounced_reload.async_shutdown()
 
     async def _async_reload_entry(self) -> None:
         """Reload entry."""
diff --git a/homeassistant/helpers/debounce.py b/homeassistant/helpers/debounce.py
index 737d36ff33b..97381975f93 100644
--- a/homeassistant/helpers/debounce.py
+++ b/homeassistant/helpers/debounce.py
@@ -118,8 +118,7 @@ class Debouncer(Generic[_R_co]):
             # Schedule a new timer to prevent new runs during cooldown
             self._schedule_timer()
 
-    @callback
-    def async_shutdown(self) -> None:
+    async def async_shutdown(self) -> None:
         """Cancel any scheduled call, and prevent new runs."""
         self._shutdown_requested = True
         self.async_cancel()
diff --git a/tests/helpers/test_debounce.py b/tests/helpers/test_debounce.py
index b54cfa0365d..ae69d40bdcb 100644
--- a/tests/helpers/test_debounce.py
+++ b/tests/helpers/test_debounce.py
@@ -202,7 +202,7 @@ async def test_shutdown(hass: HomeAssistant) -> None:
     # Ensure shutdown during a run doesn't create a cooldown timer
     hass.async_create_task(debouncer.async_call())
     await asyncio.sleep(0.01)
-    debouncer.async_shutdown()
+    await debouncer.async_shutdown()
     future.set_result(True)
     await hass.async_block_till_done()
     assert len(calls) == 1