diff --git a/browser/js/clone.js b/browser/js/clone.js
index 7241f3f1d30b50d0085aa51bac5b86ed758bc5aa..a62ef2f1b1dce71def3abc2ca38d86f130ca9a27 100644
--- a/browser/js/clone.js
+++ b/browser/js/clone.js
@@ -836,7 +836,7 @@ Clone.prototype = {
         
         //segmentation info
         html += "<tr><td class='header' colspan='" + (time_length + 1) + "'> segmentation "
-        html += " <button type='button' class='devel-mode' onclick='m.clones["+ this.index +"].toggle()'>edit</button> "; //Use to hide/display lists
+        html += " <button type='button' onclick='m.clones["+ this.index +"].toggle()'>edit</button> "; //Use to hide/display lists
         html += this.getHTMLModifState() // icon if manual changement 
         html += "</td></tr>"