diff --git a/addons/web/static/src/js/data.js b/addons/web/static/src/js/data.js
index 220d42737da..ce85e0ac43f 100644
--- a/addons/web/static/src/js/data.js
+++ b/addons/web/static/src/js/data.js
@@ -575,6 +575,7 @@ instance.web.DataSet =  instance.web.CallbackEnabled.extend({
      * @param {Number|String} ids identifier of the record to delete
      */
     unlink: function(ids) {
+        this.trigger('unlink', ids);
         return this._model.call('unlink', [ids], {context: this._model.context()});
     },
     /**
@@ -690,6 +691,7 @@ instance.web.DataSet =  instance.web.CallbackEnabled.extend({
 
 instance.web.DataSetStatic =  instance.web.DataSet.extend({
     init: function(parent, model, context, ids) {
+        var self = this;
         this._super(parent, model, context);
         // all local records
         this.ids = ids || [];
@@ -711,12 +713,10 @@ instance.web.DataSetStatic =  instance.web.DataSet.extend({
         }
     },
     unlink: function(ids) {
-        this.on_unlink(ids);
+        this.set_ids(_.without.apply(null, [this.ids].concat(ids)));
+        this.trigger('unlink', ids);
         return $.Deferred().resolve({result: true});
     },
-    on_unlink: function(ids) {
-        this.set_ids(_.without.apply(null, [this.ids].concat(ids)));
-    }
 });
 
 instance.web.DataSetSearch =  instance.web.DataSet.extend({
diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index b77dacc8dc5..a3ab1b98f94 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -4030,7 +4030,7 @@ instance.web.form.FieldMany2Many = instance.web.form.AbstractField.extend({
 
         this.dataset = new instance.web.form.Many2ManyDataSet(this, this.field.relation);
         this.dataset.m2m = this;
-        this.dataset.on_unlink.add_last(function(ids) {
+        this.dataset.on('unlink', self, function(ids) {
             self.dataset_changed();
         });
 
@@ -4163,7 +4163,7 @@ instance.web.form.FieldMany2ManyKanban = instance.web.form.AbstractField.extend(
 
         this.dataset = new instance.web.form.Many2ManyDataSet(this, this.field.relation);
         this.dataset.m2m = this;
-        this.dataset.on_unlink.add_last(function(ids) {
+        this.dataset.on('unlink', self, function(ids) {
             self.dataset_changed();
         });