diff --git a/bigbluebutton-html5/imports/api/group-chat-msg/server/modifiers/addGroupChatMsg.js b/bigbluebutton-html5/imports/api/group-chat-msg/server/modifiers/addGroupChatMsg.js
index a9e7d23f4e2b8ca4e964cc6e0d047f6865860ca4..41e3731c014c9f221bc17ca18c4c556e304c652b 100644
--- a/bigbluebutton-html5/imports/api/group-chat-msg/server/modifiers/addGroupChatMsg.js
+++ b/bigbluebutton-html5/imports/api/group-chat-msg/server/modifiers/addGroupChatMsg.js
@@ -1,4 +1,3 @@
-import flat from 'flat';
 import { Match, check } from 'meteor/check';
 import Logger from '/imports/startup/server/logger';
 import { GroupChatMsg } from '/imports/api/group-chat-msg';
diff --git a/bigbluebutton-html5/imports/api/users/server/modifiers/setMobile.js b/bigbluebutton-html5/imports/api/users/server/modifiers/setMobile.js
index 7f6bc297309e49140a21defc15892506a325ac1f..357cb68282121f2b5505d65ebf63c117627c4c3f 100644
--- a/bigbluebutton-html5/imports/api/users/server/modifiers/setMobile.js
+++ b/bigbluebutton-html5/imports/api/users/server/modifiers/setMobile.js
@@ -1,5 +1,4 @@
 import Logger from '/imports/startup/server/logger';
-import { check } from 'meteor/check';
 import Users from '/imports/api/users';
 
 export default function setMobile(meetingId, userId) {
diff --git a/bigbluebutton-html5/imports/startup/client/base.jsx b/bigbluebutton-html5/imports/startup/client/base.jsx
index f63f29d2e9a72dc66c39a3653c0675fb8be8dfc2..90309f9498485fc7342d571553a2200a63900766 100755
--- a/bigbluebutton-html5/imports/startup/client/base.jsx
+++ b/bigbluebutton-html5/imports/startup/client/base.jsx
@@ -1,4 +1,4 @@
-import React, { Component, Fragment } from 'react';
+import React, { Component } from 'react';
 import { withTracker } from 'meteor/react-meteor-data';
 import PropTypes from 'prop-types';
 import Auth from '/imports/ui/services/auth';
diff --git a/bigbluebutton-html5/imports/ui/components/connection-status/service.js b/bigbluebutton-html5/imports/ui/components/connection-status/service.js
index f3cec763a72b7c99dabd6477142a5447b7831345..c8693038f68c9f0cec89560d55c0c233a316a9f3 100644
--- a/bigbluebutton-html5/imports/ui/components/connection-status/service.js
+++ b/bigbluebutton-html5/imports/ui/components/connection-status/service.js
@@ -37,8 +37,6 @@ const getHelp = () => {
   return null;
 };
 
-const getLevel = () => STATS.level;
-
 const getStats = () => {
   statsDep.depend();
   return STATS.level[stats];
diff --git a/bigbluebutton-html5/imports/ui/components/user-list/service.js b/bigbluebutton-html5/imports/ui/components/user-list/service.js
index a3f5695696309523203b6c513d58aa6100eb6086..ad5576a50767b85fdad7480f08a30c484f46ed53 100755
--- a/bigbluebutton-html5/imports/ui/components/user-list/service.js
+++ b/bigbluebutton-html5/imports/ui/components/user-list/service.js
@@ -138,33 +138,6 @@ const sortUsers = (a, b) => {
   return sort;
 };
 
-const sortChatsByName = (a, b) => sortUsersByName(a, b);
-
-const sortChatsByUserId = (a, b) => sortUsersByUserId(a, b);
-
-const sortChatsByIcon = (a, b) => {
-  if (a.icon && !b.icon) {
-    return -1;
-  } if (!a.icon && b.icon) {
-    return 1;
-  }
-
-  return 0;
-};
-
-const sortByRecentActivity = (a, b) => {
-  const aActivity = a.lastActivity ? a.lastActivity : 0;
-  const bActivity = b.lastActivity ? b.lastActivity : 0;
-
-  if (aActivity > bActivity) {
-    return -1;
-  } if (aActivity < bActivity) {
-    return 1;
-  }
-
-  return 0;
-};
-
 const isPublicChat = chat => (
   chat.userId === 'public'
 );