diff --git a/homeassistant/util/executor.py b/homeassistant/util/executor.py
index 9d6c4d0e362..47b6d08a197 100644
--- a/homeassistant/util/executor.py
+++ b/homeassistant/util/executor.py
@@ -63,13 +63,10 @@ def join_or_interrupt_threads(
 class InterruptibleThreadPoolExecutor(ThreadPoolExecutor):
     """A ThreadPoolExecutor instance that will not deadlock on shutdown."""
 
-    def shutdown(
-        self, *args: Any, join_threads_or_timeout: bool = True, **kwargs: Any
-    ) -> None:
+    def shutdown(self, *args: Any, **kwargs: Any) -> None:
         """Shutdown with interrupt support added."""
         super().shutdown(wait=False, cancel_futures=True)
-        if join_threads_or_timeout:
-            self.join_threads_or_timeout()
+        self.join_threads_or_timeout()
 
     def join_threads_or_timeout(self) -> None:
         """Join threads or timeout."""