diff --git a/docusaurus.config.js b/docusaurus.config.js
index 29d146396..2000eb61a 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -65,16 +65,6 @@ module.exports = {
           to: "/help",
           position: "left",
         },
-        {
-          href: "https://casdoor.com",
-          label: "For Enterprise",
-          position: "left",
-        },
-        {
-          href: "https://casdoor.com",
-          label: "Hosting Plan (SaaS)",
-          position: "left",
-        },
         {
           type: "localeDropdown",
           position: "right",
@@ -103,20 +93,6 @@ module.exports = {
           type: "search",
           position: "right",
         },
-        {
-          type: "custom-casdoor",
-          label: "Sign Up",
-          src: "https://casdoor.com",
-          position: "right",
-          className: "casdoor-signup casdoor-link",
-        },
-        {
-          type: "custom-casdoor",
-          label: "Login",
-          src: "https://casdoor.com",
-          position: "right",
-          className: "casdoor-login casdoor-link",
-        },
       ],
     },
     footer: {
@@ -209,12 +185,6 @@ var _hmt = _hmt || [];
       theme: lightCodeTheme,
       darkTheme: darkCodeTheme,
     },
-    announcementBar: {
-      id: "announcement", // ID of the announcement bar
-      content:
-      "<a target=\"_blank\" rel=\"noreferrer\" href=\"https://casbin.org/\">💖 Looking for an open-source and cross-platform authorization solution that supports ACL, RBAC, ABAC? Learn more about: Casbin</a>",
-      isCloseable: true,
-    },
     docs: {
       sidebar: {hideable: true},
     },
@@ -260,9 +230,5 @@ var _hmt = _hmt || [];
       src: "/js/isMainland.js",
       async: true,
     },
-    {
-      src: "/js/tawk.js",
-      async: true,
-    },
   ],
 };
diff --git a/static/js/tawk.js b/static/js/tawk.js
index f23911c70..e69de29bb 100644
--- a/static/js/tawk.js
+++ b/static/js/tawk.js
@@ -1,9 +0,0 @@
-/* eslint-disable no-var */
-// eslint-disable-next-line unused-imports/no-unused-vars
-var Tawk_API = Tawk_API || {}, Tawk_LoadStart = new Date();
-(function() {
-  var s1 = document.createElement("script"), s0 = document.getElementsByTagName("script")[0];
-  s1.src = "https://embed.tawk.to/623352fea34c2456412b8c51/1fuc7od6e";
-  s1.setAttribute("crossorigin", "*");
-  s0.parentNode.insertBefore(s1, s0);
-})();