diff --git a/swarmlab/index-doc.html b/swarmlab/index-doc.html
index a734ac1..7ff06c4 100644
--- a/swarmlab/index-doc.html
+++ b/swarmlab/index-doc.html
@@ -265,18 +265,7 @@ Swarmlab is a powerful collaboration tool that connects tutors and students in a
 
                 <!-- Cardsrow menou it would be useful-->
                 <div class="layout-margin-12 mt-4">
-                    <div class="card-deck">
-			<!-- useful -->
-                        <div class="card card-shadow text-center">
-                            <div class="card-body">
                                 <h3 class="card-title p-3 mb-2 bg-info text-white"><b>It would be useful!</b></h3>
-                                <p class="card-text"></p>
-                                <div class="dropdown-divider"></div>
-
-                            </div>
-                         </div>
-			<!-- useful -->
-		    </div>
 		</div>
                 <!-- Cardsrow menou it would be useful-->