diff --git a/addons/web/static/src/xml/base.xml b/addons/web/static/src/xml/base.xml
index 21359d18f97..d19ee0c47ff 100644
--- a/addons/web/static/src/xml/base.xml
+++ b/addons/web/static/src/xml/base.xml
@@ -228,7 +228,7 @@
 
 <t t-name="WebClient.DebugManager">
     <li class="o_debug_manager" role="menuitem">
-        <a href="#" title="Open Developer Tools" aria-label="Open Developer Tools" class="dropdown-toggle" data-toggle="dropdown" aria-expanded="false" tabindex="-1">
+        <a href="#" title="Open Developer Tools" aria-label="Open Developer Tools" data-toggle="dropdown" aria-expanded="false" tabindex="-1">
             <span class="fa fa-bug"/>
         </a>
         <div class="dropdown-menu dropdown-menu-right o_debug_dropdown" role="menu"/>