diff --git a/addons/web/static/src/js/chrome.js b/addons/web/static/src/js/chrome.js
index 62c73f7d419..bd68f4ad7a8 100644
--- a/addons/web/static/src/js/chrome.js
+++ b/addons/web/static/src/js/chrome.js
@@ -958,6 +958,20 @@ instance.web.Client = instance.web.Widget.extend({
     has_uncommitted_changes: function() {
         return false;
     },
+    trigger_children: function(events) {
+        // TODO: In the future, if we have more valid use cases in other objects, let's
+        //       put this back in the EventDispatcherMixin as an option of trigger()
+        var children = this.getChildren();
+        for (var i = 0; i < children.length; i++) {
+            var child = children[i];
+            if (child.__eventDispatcherMixin) {
+                child.__edispatcherEvents.trigger.apply(child.__edispatcherEvents, arguments);
+                instance.webclient // Yuck!
+                    .trigger_children.apply(child, arguments);
+            }
+        }
+        return this;
+    },
 });
 
 instance.web.WebClient = instance.web.Client.extend({
diff --git a/addons/web/static/src/js/corelib.js b/addons/web/static/src/js/corelib.js
index 7ef00b420e3..c74c2d5dc03 100644
--- a/addons/web/static/src/js/corelib.js
+++ b/addons/web/static/src/js/corelib.js
@@ -359,26 +359,6 @@ instance.web.EventDispatcherMixin = _.extend({}, instance.web.ParentedMixin, {
         this.__edispatcherEvents.trigger.apply(this.__edispatcherEvents, arguments);
         return this;
     },
-    trigger_children: function(events) {
-        var children = this.getChildren();
-        for (var i = 0; i < children.length; i++) {
-            var child = children[i];
-            if (child.__eventDispatcherMixin) {
-                child.__edispatcherEvents.trigger.apply(child.__edispatcherEvents, arguments);
-                child.trigger_children.apply(child, arguments);
-            }
-        }
-        return this;
-    },
-    trigger_ancestors: function(events) {
-        var parent = this;
-        while (parent = parent.getParent()) {
-            parent.__edispatcherEvents.trigger.apply(parent.__edispatcherEvents, arguments);
-            parent.trigger_ancestors.apply(parent, arguments);
-
-        }
-        return this;
-    },
     destroy: function() {
         var self = this;
         _.each(this.__edispatcherRegisteredEvents, function(event) {