diff --git a/samples/advance/do_slice.py b/samples/advance/do_slice.py
index fd8d7c69..3137c198 100755
--- a/samples/advance/do_slice.py
+++ b/samples/advance/do_slice.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 L = ['Michael', 'Sarah', 'Tracy', 'Bob', 'Jack']