diff --git a/addons/web/static/src/js/view_form.js b/addons/web/static/src/js/view_form.js
index f8168d21466..b5714b41132 100644
--- a/addons/web/static/src/js/view_form.js
+++ b/addons/web/static/src/js/view_form.js
@@ -1424,9 +1424,6 @@ openerp.web.form.FieldBoolean = openerp.web.form.Field.extend({
         this._super.apply(this, arguments);
         this.$element.find('input').attr('disabled', this.readonly);
     },
-    validate: function() {
-        this.invalid = this.required && !this.$element.find('input').is(':checked');
-    },
     focus: function() {
         this.$element.find('input').focus();
     }