diff --git a/test/json/test_json_encoding.rb b/test/json/test_json_encoding.rb
index fdea329605..f5221bbd82 100644
--- a/test/json/test_json_encoding.rb
+++ b/test/json/test_json_encoding.rb
@@ -1,4 +1,3 @@
-#!/usr/bin/env ruby
 # -*- coding: utf-8 -*-
 
 require 'test/unit'