diff --git a/plugins/pilot/fixoldbrowsers.js b/plugins/pilot/fixoldbrowsers.js
index 1f7f1033..2dcb835b 100644
--- a/plugins/pilot/fixoldbrowsers.js
+++ b/plugins/pilot/fixoldbrowsers.js
@@ -37,61 +37,6 @@
 
 define(function(require, exports, module) {
 
-// Narwhal's shim for ES5 defineProperty
-// ES5 15.2.3.6
-if (!Object.defineProperty) {
-    Object.defineProperty = function(object, property, descriptor) {
-        var has = Object.prototype.hasOwnProperty;
-        if (typeof descriptor == "object" && object.__defineGetter__) {
-            if (has.call(descriptor, "value")) {
-                if (!object.__lookupGetter__(property) && !object.__lookupSetter__(property)) {
-                    // data property defined and no pre-existing accessors
-                    object[property] = descriptor.value;
-                }
-                if (has.call(descriptor, "get") || has.call(descriptor, "set")) {
-                    // descriptor has a value property but accessor already exists
-                    throw new TypeError("Object doesn't support this action");
-                }
-            }
-            // fail silently if "writable", "enumerable", or "configurable"
-            // are requested but not supported
-            /*
-            // alternate approach:
-            if ( // can't implement these features; allow false but not true
-            !(has.call(descriptor, "writable") ? descriptor.writable : true) ||
-            !(has.call(descriptor, "enumerable") ? descriptor.enumerable : true) ||
-            !(has.call(descriptor, "configurable") ? descriptor.configurable : true)
-            )
-            throw new RangeError(
-            "This implementation of Object.defineProperty does not " +
-            "support configurable, enumerable, or writable."
-            );
-            */
-            else if (typeof descriptor.get == "function") {
-                object.__defineGetter__(property, descriptor.get);
-            }
-            if (typeof descriptor.set == "function") {
-                object.__defineSetter__(property, descriptor.set);
-            }
-        }
-        return object;
-    };
-}
-
-// ES5 15.2.3.7
-if (!Object.defineProperties) {
-    Object.defineProperties = function(object, properties) {
-        for (var property in properties) {
-            if (Object.prototype.hasOwnProperty.call(properties, property)) {
-                Object.defineProperty(object, property, properties[property]);
-            }
-        }
-        return object;
-    };
-}
-
-
-
 /**
  * Array detector.
  * Firefox 3.5 and Safari 4 have this already. Chrome 4 however ...