diff --git a/libheif/index.html b/libheif/index.html
deleted file mode 100644
index 69071bc..0000000
--- a/libheif/index.html
+++ /dev/null
@@ -1,49 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
- <meta name="Author" content="Made by 'tree'">
- <meta name="GENERATOR" content="tree v2.1.1 © 1996 - 2023 by Steve Baker, Thomas Moore, Francesc Rocher, Florian Sesser, Kyosuke Tokoro">
- <title>Directory Tree</title>
- <style type="text/css">
-  BODY { font-family : monospace, sans-serif;  color: black;}
-  P { font-family : monospace, sans-serif; color: black; margin:0px; padding: 0px;}
-  A:visited { text-decoration : none; margin : 0px; padding : 0px;}
-  A:link    { text-decoration : none; margin : 0px; padding : 0px;}
-  A:hover   { text-decoration: underline; background-color : yellow; margin : 0px; padding : 0px;}
-  A:active  { margin : 0px; padding : 0px;}
-  .VERSION { font-size: small; font-family : arial, sans-serif; }
-  .NORM  { color: black;  }
-  .FIFO  { color: purple; }
-  .CHAR  { color: yellow; }
-  .DIR   { color: blue;   }
-  .BLOCK { color: yellow; }
-  .LINK  { color: aqua;   }
-  .SOCK  { color: fuchsia;}
-  .EXEC  { color: green;  }
- </style>
-</head>
-<body>
-	<h1>Directory Tree</h1><p>
-	<a href="../">👆 回到上一级目录</a><br>
-	├── <a href="./LICENSE">LICENSE</a><br>
-	├── <a href="./libheif-bundle.js">libheif-bundle.js</a><br>
-	├── <a href="./libheif-bundle.mjs">libheif-bundle.mjs</a><br>
-	├── <a href="./libheif.d.ts">libheif.d.ts</a><br>
-	├── <a href="./libheif.js">libheif.js</a><br>
-	└── <a href="./libheif.wasm">libheif.wasm</a><br>
-<br><br><p>
-
-1 directory, 6 files
-
-</p>
-	<hr>
-	<p class="VERSION">
-		 tree v2.1.1 © 1996 - 2023 by Steve Baker and Thomas Moore <br>
-		 HTML output hacked and copyleft © 1998 by Francesc Rocher <br>
-		 JSON output hacked and copyleft © 2014 by Florian Sesser <br>
-		 Charsets / OS/2 support © 2001 by Kyosuke Tokoro
-	</p>
-</body>
-</html>
-<style>body { font-family: Arial, sans-serif; } .tree { margin: 20px; } .tree ul { list-style-type: none; margin-left: 20px; padding-left: 1em; position: relative; } .tree ul ul::before { content: ""; display: block; position: absolute; left: 0; top: 0; bottom: 0; width: 1px; background-color: #ccc; } .tree li { margin: 5px 0; padding-left: 1.5em; position: relative; } .tree li::before { content: ""; display: block; position: absolute; left: 0; top: 0.7em; width: 10px; height: 1px; background-color: #ccc; } .tree a { color: #0366d6; text-decoration: none; } .tree a:hover { text-decoration: underline; } .back-link { font-weight: bold; color: #0366d6; }</style>
