diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index 5f3d3faef5e..ca1d576a8e5 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -2317,9 +2317,11 @@ 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) {
@@ -2357,6 +2359,9 @@ instance.web.form.CompletionFieldMixin = {
             return values;
         });
     },
+    get_search_blacklist: function() {
+        return [];
+    },
     _quick_create: function(name) {
         var self = this;
         var slow_create = function () {
@@ -3181,6 +3186,9 @@ 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());