diff --git a/launch_ros/examples/lifecycle_pub_sub_launch.py b/launch_ros/examples/lifecycle_pub_sub_launch.py
index e8bbe7420..f5c0e339c 100644
--- a/launch_ros/examples/lifecycle_pub_sub_launch.py
+++ b/launch_ros/examples/lifecycle_pub_sub_launch.py
@@ -33,9 +33,6 @@
 
 def main(argv=sys.argv[1:]):
     """Main."""
-    def _on_transition_event(context):
-        print('got transition_event {}'.format(context.locals.event))
-
     ld = launch.LaunchDescription()
 
     # Prepare the talker node.