diff --git a/addons/web/static/src/less/kanban_view.less b/addons/web/static/src/less/kanban_view.less
index 7646e070034..8bef288ae88 100644
--- a/addons/web/static/src/less/kanban_view.less
+++ b/addons/web/static/src/less/kanban_view.less
@@ -550,7 +550,6 @@
     .o_kanban_group.o_column_folded {
         .o-kanban-slim-col();
         border-left: 1px solid darken(@odoo-color-silver-darker,10%);
-        box-shadow: inset 8px 0 16px -8px fade(black, 25%);
         background-color: @gray-lighter;
 
         .o_kanban_header {