diff --git a/addons/web/static/src/js/core.js b/addons/web/static/src/js/core.js
index 896ba7d3061..dacf734e24e 100644
--- a/addons/web/static/src/js/core.js
+++ b/addons/web/static/src/js/core.js
@@ -42,7 +42,6 @@ openerp.web.core = function(openerp) {
         for (var name in prop) {
             // Check if we're overwriting an existing function
             prototype[name] = typeof prop[name] == "function" &&
-                              typeof _super[name] == "function" &&
                               fnTest.test(prop[name]) ?
                     (function(name, fn) {
                         return function() {