diff --git a/index.html b/index.html
index 581f296..d6a8ee5 100755
--- a/index.html
+++ b/index.html
@@ -18,9 +18,6 @@
          <a href="#" id="audioButton"><li>audio</li></a>
          <a href="#" id="otherButton"><li>other</li></a>
          <a href="https://git.suroh.tk/" target="_blank"><li>code</li></a>
-         <li style="color: #FF670F;">rsch : </li>
-         <a href="https://ied.suroh.tk/"><li>IED</li></a>
-         <a href="https://work.suroh.tk/research/"><li>wiki</li></a>
       </ul>
    </nav>