diff --git a/addons/web_kanban/static/src/css/kanban.css b/addons/web_kanban/static/src/css/kanban.css
index bc459d7e292..bfb10793b77 100644
--- a/addons/web_kanban/static/src/css/kanban.css
+++ b/addons/web_kanban/static/src/css/kanban.css
@@ -174,7 +174,6 @@
   display: block;
   min-height: 50px;
   margin: 0;
-  display: block;
   -moz-border-radius: 4px;
   -webkit-border-radius: 4px;
   border-radius: 4px;
diff --git a/addons/web_kanban/static/src/css/kanban.sass b/addons/web_kanban/static/src/css/kanban.sass
index a9f0ba784ae..6a601ec9988 100644
--- a/addons/web_kanban/static/src/css/kanban.sass
+++ b/addons/web_kanban/static/src/css/kanban.sass
@@ -171,7 +171,6 @@
         display: block
         min-height: 50px
         margin: 0
-        display: block
         @include radius(4px)
         &:last-child
             margin-bottom: 0