diff --git a/addons/web/static/src/views/calendar/calendar_common/calendar_common_popover.xml b/addons/web/static/src/views/calendar/calendar_common/calendar_common_popover.xml
index 0c7c2f6935d..0aae5b7a125 100644
--- a/addons/web/static/src/views/calendar/calendar_common/calendar_common_popover.xml
+++ b/addons/web/static/src/views/calendar/calendar_common/calendar_common_popover.xml
@@ -74,10 +74,4 @@
         </t>
     </t>
 
-    <t t-name="web.PopoverOverlay" t-inherit="web.PopoverWowl" t-inherit-mode="primary">
-        <xpath expr="//div[hasclass('o_popover')]" position="before">
-            <div class="o_popoverOverlay"/>
-        </xpath>
-    </t>
-
 </templates>