diff --git a/panoramix/static/panoramix.css b/panoramix/static/panoramix.css
index b6c120f906144..9e89426ddd57b 100644
--- a/panoramix/static/panoramix.css
+++ b/panoramix/static/panoramix.css
@@ -230,3 +230,6 @@ img.loading {
 div.header {
   font-weight: bold;
 }
+li.widget {
+  z-index: 1000;
+}
diff --git a/panoramix/static/panoramix.js b/panoramix/static/panoramix.js
index 17598acc5644b..141145d6316bf 100644
--- a/panoramix/static/panoramix.js
+++ b/panoramix/static/panoramix.js
@@ -321,12 +321,6 @@ var px = (function() {
       css = $(this).val();
       $("#user_style").html(css);
     });
-
-    // this sets the z-index for left side boxes higher
-    $('li.widget').each(function() {
-      current_col = $(this).attr('data-col');
-      $( this ).css('z-index', 100 - current_col);
-    });
   }
 
   // Export public functions