diff --git a/frontend/src/components/main-side-nav-folded.js b/frontend/src/components/main-side-nav-folded.js
index 7f6a7d1a09..fe5f6771de 100644
--- a/frontend/src/components/main-side-nav-folded.js
+++ b/frontend/src/components/main-side-nav-folded.js
@@ -1,7 +1,7 @@
 import React from 'react';
 import PropTypes from 'prop-types';
 import { Link } from '@gatsbyjs/reach-router';
-import { gettext, siteRoot, canInvitePeople, enableTC, sideNavFooterCustomHtml, additionalAppBottomLinks,
+import { gettext, siteRoot, canInvitePeople, enableTC, sideNavFooterCustomHtml,
   isDocs, isPro, isDBSqlite3, customNavItems, mediaUrl, curNoteMsg } from '../utils/constants';
 import { SIDE_PANEL_FOLDED_WIDTH, SUB_NAV_ITEM_HEIGHT } from '../constants';
 import Tip from './side-nav-icon-tip';
@@ -215,17 +215,6 @@ class MainSideNavFolded extends React.Component {
                     </li>
                   </>
                 }
-                {additionalAppBottomLinks && (
-                  <>
-                    {Object.keys(additionalAppBottomLinks).map((key, index) => {
-                      return (
-                        <a className="nav-link" href={additionalAppBottomLinks[key]}>
-                          <span className="sf3-font-terms sf3-font mr-0" aria-hidden="true"></span>
-                        </a>
-                      );
-                    })}
-                  </>
-                )}
                 <li className='nav-item'>
                   <a href={siteRoot + 'download_client_program/'} className="nav-link">
                     <span className="sf3-font-devices sf3-font mr-0" aria-hidden="true" id="main-side-nav-folded-clients"></span>
diff --git a/frontend/src/components/main-side-nav.js b/frontend/src/components/main-side-nav.js
index 92f6022ebf..87503d4b31 100644
--- a/frontend/src/components/main-side-nav.js
+++ b/frontend/src/components/main-side-nav.js
@@ -4,7 +4,7 @@ import { Link } from '@gatsbyjs/reach-router';
 import {
   gettext, siteRoot, canAddGroup, canAddRepo, canShareRepo,
   canGenerateShareLink, canGenerateUploadLink, canInvitePeople,
-  enableTC, sideNavFooterCustomHtml, additionalAppBottomLinks,
+  enableTC, sideNavFooterCustomHtml,
   canViewOrg, isDocs, isPro, isDBSqlite3, customNavItems, mediaUrl
 } from '../utils/constants';
 import { seafileAPI } from '../utils/seafile-api';
@@ -282,18 +282,6 @@ class MainSideNav extends React.Component {
                   </a>
                 </li>
               }
-              {additionalAppBottomLinks && (
-                <>
-                  {Object.keys(additionalAppBottomLinks).map((key, index) => {
-                    return (
-                      <a className="nav-link" href={additionalAppBottomLinks[key]}>
-                        <span className="sf3-font-terms sf3-font" aria-hidden="true"></span>
-                        <span className="nav-text">{key}</span>
-                      </a>
-                    );
-                  })}
-                </>
-              )}
               <li className='nav-item'>
                 <a href={siteRoot + 'download_client_program/'} className="nav-link">
                   <span className="sf3-font-devices sf3-font" aria-hidden="true"></span>
diff --git a/frontend/src/utils/constants.js b/frontend/src/utils/constants.js
index 6fdb9aad5f..c33a906e87 100644
--- a/frontend/src/utils/constants.js
+++ b/frontend/src/utils/constants.js
@@ -107,7 +107,6 @@ export const enableFileTags = window.app.pageOptions.enableFileTags || false;
 export const workspaceID = window.app.pageOptions.workspaceID;
 export const showLogoutIcon = window.app.pageOptions.showLogoutIcon;
 export const additionalShareDialogNote = window.app.pageOptions.additionalShareDialogNote;
-export const additionalAppBottomLinks = window.app.pageOptions.additionalAppBottomLinks;
 export const additionalAboutDialogLinks = window.app.pageOptions.additionalAboutDialogLinks;
 
 // map settings
diff --git a/seahub/settings.py b/seahub/settings.py
index 19e8016852..33de611b90 100644
--- a/seahub/settings.py
+++ b/seahub/settings.py
@@ -865,12 +865,6 @@ ENABLE_REPO_WIKI_MODE = True
 # }
 ADDITIONAL_SHARE_DIALOG_NOTE = None
 
-# ADDITIONAL_APP_BOTTOM_LINKS = {
-#     'seafile': 'http://dev.seahub.com/seahub',
-#     'dtable-web': 'http://dev.seahub.com/dtable-web'
-# }
-ADDITIONAL_APP_BOTTOM_LINKS = None
-
 # ADDITIONAL_ABOUT_DIALOG_LINKS = {
 #     'seafile': 'http://dev.seahub.com/seahub',
 #     'dtable-web': 'http://dev.seahub.com/dtable-web'
diff --git a/seahub/templates/base_for_react.html b/seahub/templates/base_for_react.html
index 97daea4bdc..73b462f5ce 100644
--- a/seahub/templates/base_for_react.html
+++ b/seahub/templates/base_for_react.html
@@ -149,7 +149,6 @@
             enablePDFThumbnail: {% if enable_pdf_thumbnail %} true {% else %} false {% endif %},
             showLogoutIcon: {% if show_logout_icon %} true {% else %} false {% endif %},
             additionalShareDialogNote: {% if additional_share_dialog_note %} {{ additional_share_dialog_note|safe }} {% else %} null {% endif %},
-            additionalAppBottomLinks: {% if additional_app_bottom_links %} {{ additional_app_bottom_links|safe }} {% else %} null {% endif %},
             additionalAboutDialogLinks: {% if additional_about_dialog_links %} {{ additional_about_dialog_links|safe }} {% else %} null {% endif %},
             enableOnlyoffice: {% if enableOnlyoffice %} true {% else %} false {% endif %},
             onlyofficeConverterExtensions: {% if onlyofficeConverterExtensions %} {{onlyofficeConverterExtensions|safe}} {% else %} null {% endif %},
diff --git a/seahub/views/__init__.py b/seahub/views/__init__.py
index 73f1755337..d242a09f3d 100644
--- a/seahub/views/__init__.py
+++ b/seahub/views/__init__.py
@@ -57,7 +57,7 @@ from seahub.settings import AVATAR_FILE_STORAGE, ENABLE_REPO_SNAPSHOT_LABEL, \
     SHARE_LINK_EXPIRE_DAYS_MAX, SHARE_LINK_EXPIRE_DAYS_DEFAULT, \
     UPLOAD_LINK_EXPIRE_DAYS_MIN, UPLOAD_LINK_EXPIRE_DAYS_MAX, UPLOAD_LINK_EXPIRE_DAYS_DEFAULT, \
     SEAFILE_COLLAB_SERVER, ENABLE_RESET_ENCRYPTED_REPO_PASSWORD, \
-    ADDITIONAL_SHARE_DIALOG_NOTE, ADDITIONAL_APP_BOTTOM_LINKS, ADDITIONAL_ABOUT_DIALOG_LINKS, \
+    ADDITIONAL_SHARE_DIALOG_NOTE, ADDITIONAL_ABOUT_DIALOG_LINKS, \
     DTABLE_WEB_SERVER, SEADOC_SERVER_URL
 
 from seahub.ocm.settings import ENABLE_OCM, OCM_REMOTE_SERVERS
@@ -1136,7 +1136,6 @@ def react_fake_view(request, **kwargs):
         'enable_show_contact_email_when_search_user': settings.ENABLE_SHOW_CONTACT_EMAIL_WHEN_SEARCH_USER,
         'enable_show_login_id_when_search_user': settings.ENABLE_SHOW_LOGIN_ID_WHEN_SEARCH_USER,
         'additional_share_dialog_note': ADDITIONAL_SHARE_DIALOG_NOTE,
-        'additional_app_bottom_links': ADDITIONAL_APP_BOTTOM_LINKS,
         'additional_about_dialog_links': ADDITIONAL_ABOUT_DIALOG_LINKS,
         'enable_ocm_via_webdav': ENABLE_OCM_VIA_WEBDAV,
         'enable_ocm': ENABLE_OCM,