diff --git a/addons/web/static/src/css/base.css b/addons/web/static/src/css/base.css
index 89b8cc1a38f..7c2b938c836 100644
--- a/addons/web/static/src/css/base.css
+++ b/addons/web/static/src/css/base.css
@@ -512,6 +512,7 @@
   opacity: 0.5;
 }
 .openerp .oe_leftbar {
+  display: none;
   width: 220px;
   background: #f0eeee;
   border-right: 1px solid #afafb6;
diff --git a/addons/web/static/src/css/base.sass b/addons/web/static/src/css/base.sass
index e013009f9b1..9f2a8605875 100644
--- a/addons/web/static/src/css/base.sass
+++ b/addons/web/static/src/css/base.sass
@@ -430,6 +430,7 @@ $colour4: #8a89ba
     // }}}
     // Webclient.leftbar {{{
     .oe_leftbar
+        display: none
         width: 220px
         background: #f0eeee
         border-right: 1px solid #afafb6
diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 360131fd596..e5cb5d34593 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -2316,9 +2316,11 @@ instance.web.form.CompletionFieldMixin = {
         var self = this;
 
         var dataset = new instance.web.DataSet(this, this.field.relation, self.build_context());
+        var blacklist = this.get_search_blacklist();
 
         return this.orderer.add(dataset.name_search(
-                search_val, self.build_domain(), 'ilike', this.limit + 1)).pipe(function(data) {
+                search_val, new instance.web.CompoundDomain(self.build_domain(), [["id", "not in", blacklist]]),
+                'ilike', this.limit + 1)).pipe(function(data) {
             self.last_search = data;
             // possible selections for the m2o
             var values = _.map(data, function(x) {
@@ -2356,6 +2358,9 @@ instance.web.form.CompletionFieldMixin = {
             return values;
         });
     },
+    get_search_blacklist: function() {
+        return [];
+    },
     _quick_create: function(name) {
         var self = this;
         var slow_create = function () {
@@ -3180,6 +3185,9 @@ instance.web.form.FieldMany2ManyTags = instance.web.form.AbstractField.extend(_.
         var tmp = [commands.replace_with(this.get("value"))];
         return tmp;
     },
+    get_search_blacklist: function() {
+        return this.get("value");
+    },
     render_value: function() {
         var self = this;
         var dataset = new instance.web.DataSetStatic(this, this.field.relation, self.view.dataset.get_context());