diff --git a/addons/web_kanban/static/src/css/kanban.sass b/addons/web_kanban/static/src/css/kanban.sass
index 88c38124997..dc6bc31344d 100644
--- a/addons/web_kanban/static/src/css/kanban.sass
+++ b/addons/web_kanban/static/src/css/kanban.sass
@@ -120,7 +120,6 @@
         width: 16px
         height: 16px
         background: url(/web_kanban/static/src/img/minus-icon.png) no-repeat
-    .oe_kanban_group_folded .oe_kanban_fold_icon
     // }}}
     // KanbanQuickCreate {{{
     .oe_kanban_add, .oe_kanban_header .oe_dropdown_toggle