diff --git a/samples/core/exit_handler/exit_handler.py b/samples/core/exit_handler/exit_handler.py
index 20ac35fde49..ea26837313f 100755
--- a/samples/core/exit_handler/exit_handler.py
+++ b/samples/core/exit_handler/exit_handler.py
@@ -30,7 +30,7 @@ def gcs_download_op(url):
     )
 
 
-def echo_op(text, is_exit_handler=False):
+def echo_op(text):
     return dsl.ContainerOp(
         name='echo',
         image='library/bash:4.4.23',