diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 6d3b1b3c883..f98ba2e0a59 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -24,7 +24,6 @@ instance.web.FormView = instance.web.View.extend({
      * @param {instance.web.DataSet} dataset the dataset this view will work with
      * @param {String} view_id the identifier of the OpenERP view object
      * @param {Object} options
-     *                  - sidebar : [true|false]
      *                  - resize_textareas : [true|false|max_height]
      *
      * @property {instance.web.Registry} registry=instance.web.form.widgets widgets registry for this form view instance
@@ -109,7 +108,7 @@ instance.web.FormView = instance.web.View.extend({
             self.on_pager_action(action);
         });
 
-        if (!this.sidebar && this.options.sidebar) {
+        if (!this.sidebar && this.options.$sidebar) {
             this.sidebar = new instance.web.Sidebar(this);
             this.sidebar.appendTo(this.$sidebar);
             if(this.fields_view.toolbar) {
@@ -1215,7 +1214,6 @@ instance.web.form.FormDialog = instance.web.Dialog.extend({
     start: function() {
         this._super();
         this.form = new instance.web.FormView(this, this.dataset, this.view_id, {
-            sidebar: false,
             pager: false
         });
         this.form.appendTo(this.$element);
@@ -2688,7 +2686,7 @@ instance.web.form.FieldOne2Many = instance.web.form.AbstractField.extend({
             var view = {
                 view_id: false,
                 view_type: mode == "tree" ? "list" : mode,
-                options: { sidebar : false }
+                options: {}
             };
             if (self.field.views && self.field.views[mode]) {
                 view.embedded_view = self.field.views[mode];
diff --git a/addons/web/static/src/js/view_list.js b/addons/web/static/src/js/view_list.js
index d149ef28840..1aa5847ec7d 100644
--- a/addons/web/static/src/js/view_list.js
+++ b/addons/web/static/src/js/view_list.js
@@ -301,7 +301,7 @@ instance.web.ListView = instance.web.View.extend( /** @lends instance.web.ListVi
         }
 
         // Sidebar
-        if (!this.sidebar && this.options.sidebar && this.options.$sidebar) {
+        if (!this.sidebar && this.options.$sidebar) {
             this.sidebar = new instance.web.Sidebar(this);
             this.sidebar.appendTo(this.options.$sidebar);
             this.sidebar.add_toolbar(this.fields_view.toolbar);
@@ -464,7 +464,7 @@ instance.web.ListView = instance.web.View.extend( /** @lends instance.web.ListVi
                 view_id: this.view_id,
                 view_type: "tree",
                 context: this.dataset.get_context(context),
-                toolbar: this.options.sidebar
+                toolbar: !!this.options.$sidebar
             }, callback);
         }
     },
diff --git a/addons/web/static/src/js/views.js b/addons/web/static/src/js/views.js
index 3e4d2056c93..f36ccf43923 100644
--- a/addons/web/static/src/js/views.js
+++ b/addons/web/static/src/js/views.js
@@ -1055,7 +1055,7 @@ instance.web.View = instance.web.Widget.extend({
                 "model": this.dataset.model,
                 "view_id": this.view_id,
                 "view_type": this.view_type,
-                toolbar: this.options.sidebar,
+                toolbar: !!this.options.$sidebar,
                 context: context
                 }).pipe(this.on_loaded);
         }
@@ -1072,7 +1072,6 @@ instance.web.View = instance.web.Widget.extend({
             // All possible views options should be defaulted here
             $sidebar: null,
             sidebar_id: null,
-            sidebar: true,
             action: null,
             action_views_ids: {}
         });
@@ -1163,7 +1162,6 @@ instance.web.View = instance.web.Widget.extend({
      */
     set_embedded_view: function(embedded_view) {
         this.embedded_view = embedded_view;
-        this.options.sidebar = false;
     },
     do_show: function () {
         this.$element.show();
diff --git a/addons/web_calendar/static/src/js/calendar.js b/addons/web_calendar/static/src/js/calendar.js
index d92aac4304e..8bd83c0bb30 100644
--- a/addons/web_calendar/static/src/js/calendar.js
+++ b/addons/web_calendar/static/src/js/calendar.js
@@ -102,9 +102,9 @@ instance.web_calendar.CalendarView = instance.web.View.extend({
 
         this.init_scheduler();
 
-        if (this.options.sidebar) {
+        if (! this.sidebar && this.options.$sidebar) {
             this.sidebar = new instance.web_calendar.Sidebar(this);
-            this.has_been_loaded.pipe(this.sidebar.appendTo(this.$element));
+            this.has_been_loaded.pipe(this.sidebar.appendTo(this.options.$sidebar));
         }
 
         return this.has_been_loaded.resolve();
@@ -158,7 +158,7 @@ instance.web_calendar.CalendarView = instance.web.View.extend({
         scheduler.setCurrentView(scheduler._date);
     },
     refresh_minical: function() {
-        if (this.options.sidebar) {
+        if (this.sidebar) {
             scheduler.updateCalendar(this.sidebar.mini_calendar);
         }
     },
@@ -217,7 +217,7 @@ instance.web_calendar.CalendarView = instance.web.View.extend({
         scheduler.parse(res_events, 'json');
         this.refresh_scheduler();
         this.refresh_minical();
-        if (!no_filter_reload && this.options.sidebar) {
+        if (!no_filter_reload && this.sidebar) {
             this.sidebar.filter.on_events_loaded(sidebar_items);
         }
     },
@@ -412,7 +412,6 @@ instance.web_calendar.CalendarFormDialog = instance.web.Dialog.extend({
         var self = this;
         this._super();
         this.form = new instance.web.FormView(this, this.dataset, this.view_id, {
-            sidebar: false,
             pager: false
         });
         this.form.appendTo(this.$element);