diff --git a/synchros2/synchros2/node.py b/synchros2/synchros2/node.py
index b796e78..d72930f 100644
--- a/synchros2/synchros2/node.py
+++ b/synchros2/synchros2/node.py
@@ -6,8 +6,7 @@
 try:
     from typing import override  # type: ignore[attr-defined]
 except ImportError:
-    from typing_extensions import override  # type: ignore[import]
-
+    override = lambda func: func  # noqa
 
 from rclpy.callback_groups import CallbackGroup
 from rclpy.clock import Clock
diff --git a/synchros2/synchros2/time.py b/synchros2/synchros2/time.py
index 9773335..961bfed 100644
--- a/synchros2/synchros2/time.py
+++ b/synchros2/synchros2/time.py
@@ -7,7 +7,7 @@
 try:
     from typing import override  # type: ignore[attr-defined]
 except ImportError:
-    from typing_extensions import override  # type: ignore[import]
+    override = lambda func: func  # noqa
 
 from rclpy.context import Context
 from rclpy.duration import Duration