diff --git a/js/index.js b/js/index.js
index 54b8d45..3bf88d4 100644
--- a/js/index.js
+++ b/js/index.js
@@ -3,8 +3,10 @@ var __rest = (this && this.__rest) || function (s, e) {
     for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
         t[p] = s[p];
     if (s != null && typeof Object.getOwnPropertySymbols === "function")
-        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) if (e.indexOf(p[i]) < 0)
-            t[p[i]] = s[p[i]];
+        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
+            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
+                t[p[i]] = s[p[i]];
+        }
     return t;
 };
 import React from "react";
diff --git a/js/load-dglux.js b/js/load-dglux.js
index 199013b..7630821 100644
--- a/js/load-dglux.js
+++ b/js/load-dglux.js
@@ -21,7 +21,6 @@ function loadDglux(dgluxBaseUrl) {
             "packages/core/view/charts.css",
             "packages/core/view/component.css",
             "packages/core/view/editor.css",
-            "packages/core/view/app.css",
             "css_tree/_styles.css",
             "assets/fonts/fonts.css"
         ];
diff --git a/ts/load-dglux.ts b/ts/load-dglux.ts
index 96a6500..37089b2 100644
--- a/ts/load-dglux.ts
+++ b/ts/load-dglux.ts
@@ -27,7 +27,6 @@ function loadDglux(dgluxBaseUrl: string): Promise<any> {
       "packages/core/view/charts.css",
       "packages/core/view/component.css",
       "packages/core/view/editor.css",
-      "packages/core/view/app.css",
       "css_tree/_styles.css",
       "assets/fonts/fonts.css"];