diff --git a/stable/tutorials/index.html b/stable/tutorials/index.html
index 35e8677c4e..48a1d559cf 100644
--- a/stable/tutorials/index.html
+++ b/stable/tutorials/index.html
@@ -453,13 +453,7 @@ <h3>
                </span>
               </a>
              </li>
-             <li>
-              <a href="tutorialtutorial_pFBA4_test2.html">
-               <span class="doc">
-                A step-by-step guide to parsimoneous enzyme usage Flux Balance Analysis - pFBA
-               </span>
-              </a>
-             </li>
+             
             </ul>
             <br/>
            </div>