diff --git a/addons/web/static/src/js/framework/core.js b/addons/web/static/src/js/framework/core.js
index 9e2dfd964d0..8f0453151e8 100644
--- a/addons/web/static/src/js/framework/core.js
+++ b/addons/web/static/src/js/framework/core.js
@@ -129,32 +129,6 @@ qweb.preprocess_node = function() {
     _t('%d years ago');
 }
 
-$.async_when = function() {
-    var async = false;
-    var def = $.Deferred();
-    $.when.apply($, arguments).done(function() {
-        var args = arguments;
-        var action = function() {
-            def.resolve.apply(def, args);
-        };
-        if (async)
-            action();
-        else
-            setTimeout(action, 0);
-    }).fail(function() {
-        var args = arguments;
-        var action = function() {
-            def.reject.apply(def, args);
-        };
-        if (async)
-            action();
-        else
-            setTimeout(action, 0);
-    });
-    async = true;
-    return def;
-};
-
 return {
     debug: debug,
     qweb: qweb,
diff --git a/addons/web/static/src/js/framework/data.js b/addons/web/static/src/js/framework/data.js
index e969616e7b6..98c9aacc82a 100644
--- a/addons/web/static/src/js/framework/data.js
+++ b/addons/web/static/src/js/framework/data.js
@@ -816,7 +816,7 @@ var BufferedDataSet = DataSetStatic.extend({
         });
         this.set_ids(_.difference(this.ids, _.pluck(_.filter(this.cache, function (c) {return c.to_delete;}), 'id')));
         this.trigger("dataset_changed", ids, callback, error_callback);
-        return $.async_when({result: true}).done(callback);
+        return utils.async_when({result: true}).done(callback);
     },
     reset_ids: function(ids, options) {
         var self = this;
diff --git a/addons/web/static/src/js/framework/utils.js b/addons/web/static/src/js/framework/utils.js
index edf7355dc29..e19246823c5 100644
--- a/addons/web/static/src/js/framework/utils.js
+++ b/addons/web/static/src/js/framework/utils.js
@@ -470,6 +470,31 @@ function toBoolElse (str, elseValues, trueValues, falseValues) {
     return ret;
 }
 
+function async_when() {
+    var async = false;
+    var def = $.Deferred();
+    $.when.apply($, arguments).done(function() {
+        var args = arguments;
+        var action = function() {
+            def.resolve.apply(def, args);
+        };
+        if (async)
+            action();
+        else
+            setTimeout(action, 0);
+    }).fail(function() {
+        var args = arguments;
+        var action = function() {
+            def.reject.apply(def, args);
+        };
+        if (async)
+            action();
+        else
+            setTimeout(action, 0);
+    });
+    async = true;
+    return def;
+}
 
 return {
     divmod: divmod,
@@ -501,6 +526,7 @@ return {
     delay: delay,
     swap: swap,
     toBoolElse: toBoolElse,
+    async_when: async_when,
 };
 
 });
diff --git a/addons/web/static/src/js/views/form_relational_widgets.js b/addons/web/static/src/js/views/form_relational_widgets.js
index d4c67db5218..4c7b84b6dfc 100644
--- a/addons/web/static/src/js/views/form_relational_widgets.js
+++ b/addons/web/static/src/js/views/form_relational_widgets.js
@@ -802,13 +802,13 @@ var FieldX2Many = AbstractManyField.extend({
         this.viewmanager.on("switch_mode", self, function(n_mode) {
             $.when(self.commit_value()).done(function() {
                 if (n_mode === "list") {
-                    $.async_when().done(function() {
+                    utils.async_when().done(function() {
                         self.reload_current_view();
                     });
                 }
             });
         });
-        $.async_when().done(function () {
+        utils.async_when().done(function () {
             self.$el.addClass('o_view_manager_content');
             self.alive(self.viewmanager.attachTo(self.$el));
         });
diff --git a/addons/web/static/src/js/views/form_view.js b/addons/web/static/src/js/views/form_view.js
index a9da2e40304..f517a94c819 100644
--- a/addons/web/static/src/js/views/form_view.js
+++ b/addons/web/static/src/js/views/form_view.js
@@ -717,7 +717,7 @@ var FormView = View.extend(common.FieldManagerMixin, {
                     def.resolve();
                 });
             } else {
-                $.async_when().done(function () {
+                utils.async_when().done(function () {
                     def.reject();
                 });
             }
diff --git a/addons/web/static/src/js/views/list_view.js b/addons/web/static/src/js/views/list_view.js
index b0ed903bdb5..d905dfdadfd 100644
--- a/addons/web/static/src/js/views/list_view.js
+++ b/addons/web/static/src/js/views/list_view.js
@@ -1459,7 +1459,7 @@ ListView.Groups = Class.extend({
 
         var fields = _.pluck(_.select(this.columns, function(x) {return x.tag == "field";}), 'name');
         var options = { offset: current_min - 1, limit: view._limit, context: {bin_size: true} };
-        return $.async_when().then(function() {
+        return utils.async_when().then(function() {
             return dataset.read_slice(fields, options).then(function (records) {
                 // FIXME: ignominious hacks, parents (aka form view) should not send two ListView#reload_content concurrently
                 if (self.records.length) {
@@ -1525,7 +1525,7 @@ ListView.Groups = Class.extend({
                     seq = to ? list.records.at(to - 1).get(seqname) : 0;
                 var defs = [];
                 var fct = function (dataset, id, seq) {
-                    defs.push($.async_when().then(function () {
+                    defs.push(utils.async_when().then(function () {
                         var attrs = {};
                         attrs[seqname] = seq;
                         return dataset.write(id, attrs, {internal_dataset_changed: true});
@@ -2047,5 +2047,3 @@ function for_ (id, field, node) {
 
 return ListView;
 });
-
-
diff --git a/addons/web/static/test/framework.js b/addons/web/static/test/framework.js
index 70cc016fbcc..f3add74d7c5 100644
--- a/addons/web/static/test/framework.js
+++ b/addons/web/static/test/framework.js
@@ -433,30 +433,30 @@ odoo.define_section('Widget.events', ['web.Widget', 'web.core'], function (test)
     });
 });
 
-odoo.define_section('Widget.async', ['web.Widget'], function (test) {
-    test("alive(alive)", function (assert, Widget) {
+odoo.define_section('Widget.async', ['web.Widget', 'web.utils'], function (test) {
+    test("alive(alive)", function (assert, Widget, utils) {
         assert.expect(1);
 
         var widget = new (Widget.extend({}));
 
-        return $.async_when(widget.start())
-            .then(function () { return widget.alive($.async_when()) })
+        return utils.async_when(widget.start())
+            .then(function () { return widget.alive(utils.async_when()) })
             .then(function () { assert.ok(true); });
     });
 
-    test("alive(dead)", function (assert, Widget) {
+    test("alive(dead)", function (assert, Widget, utils) {
         assert.expect(1);
         var widget = new (Widget.extend({}));
 
         return $.Deferred(function (d) {
-            $.async_when(widget.start())
+            utils.async_when(widget.start())
             .then(function () {
                 // destroy widget
                 widget.destroy();
-                var promise = $.async_when();
+                var promise = utils.async_when();
                 // leave time for alive() to do its stuff
                 promise.then(function () {
-                    return $.async_when();
+                    return utils.async_when();
                 }).then(function () {
                     assert.ok(true);
                     d.resolve();
@@ -470,26 +470,26 @@ odoo.define_section('Widget.async', ['web.Widget'], function (test) {
         });
     });
 
-    test("alive(alive, true)", function (assert, Widget) {
+    test("alive(alive, true)", function (assert, Widget, utils) {
         assert.expect(1);
         var widget = new (Widget.extend({}));
-        return $.async_when(widget.start())
-        .then(function () { return widget.alive($.async_when(), true) })
+        return utils.async_when(widget.start())
+        .then(function () { return widget.alive(utils.async_when(), true) })
         .then(function () { assert.ok(true); });
     });
 
-    test("alive(dead, true)", function (assert, Widget) {
+    test("alive(dead, true)", function (assert, Widget, utils) {
         assert.expect(1);
         var done = assert.async();
 
         var widget = new (Widget.extend({}));
 
-        $.async_when(widget.start())
+        utils.async_when(widget.start())
         .then(function () {
             // destroy widget
             widget.destroy();
             console.log('destroyed');
-            return widget.alive($.async_when().done(function () { console.log('when'); }), true);
+            return widget.alive(utils.async_when().done(function () { console.log('when'); }), true);
         }).then(function () {
             console.log('unfailed')
             assert.ok(false, "alive(p, true) should fail its promise");
@@ -630,4 +630,3 @@ odoo.define_section('server-formats', ['web.time'], function (test) {
     });
 
 });
-