diff --git a/bigbluebutton-html5/client/compatibility/kurento-extension.js b/bigbluebutton-html5/client/compatibility/kurento-extension.js
index 8c167fbb790681baabf7e0bdc3eade81cd808501..729c4954f5cc51113fa10911fd57de79f6dd80a5 100644
--- a/bigbluebutton-html5/client/compatibility/kurento-extension.js
+++ b/bigbluebutton-html5/client/compatibility/kurento-extension.js
@@ -5,7 +5,6 @@ const isSafari = navigator.userAgent.indexOf('Safari') >= 0 && !isChrome;
 const isElectron = navigator.userAgent.toLowerCase().indexOf(' electron/') > -1;
 const hasDisplayMedia = (typeof navigator.getDisplayMedia === 'function'
   || (navigator.mediaDevices && typeof navigator.mediaDevices.getDisplayMedia === 'function'));
-const kurentoHandler = null;
 
 Kurento = function (
   tag,
@@ -82,7 +81,7 @@ Kurento = function (
   } else {
     const _this = this;
     this.onSuccess = function () {
-      _this.logSuccess('Default success handler');
+      _this.logger('Default success handler');
     };
   }
 };
@@ -233,7 +232,7 @@ Kurento.prototype.init = function () {
     this.ws = new WebSocket(this.wsUrl);
 
     this.ws.onmessage = this.onWSMessage.bind(this);
-    this.ws.onclose = (close) => {
+    this.ws.onclose = () => {
       kurentoManager.exitScreenShare();
       self.onFail('Websocket connection closed');
     };
@@ -482,9 +481,9 @@ Kurento.prototype.setAudio = function (tag) {
 };
 
 Kurento.prototype.listenOnly = function () {
-  var self = this;
+  const self = this;
   if (!this.webRtcPeer) {
-    var options = {
+    const options = {
       onicecandidate : this.onListenOnlyIceCandidate.bind(this),
       mediaConstraints: {
         audio: true,
@@ -496,7 +495,7 @@ Kurento.prototype.listenOnly = function () {
 
     self.webRtcPeer = kurentoUtils.WebRtcPeer.WebRtcPeerRecvonly(options, function (error) {
       if (error) {
-        return self.onFail(PEER_ERROR);
+        return self.onFail(error);
       }
 
       this.generateOffer(self.onOfferListenOnly.bind(self));
@@ -522,7 +521,7 @@ Kurento.prototype.onOfferListenOnly = function (error, offerSdp) {
   const self = this;
   if (error) {
     this.logger.error('[onOfferListenOnly]', error);
-    return this.onFail(SDP_ERROR);
+    return this.onFail(error);
   }
 
   const message = {
@@ -657,7 +656,7 @@ window.getScreenConstraints = function (sendSource, callback) {
     let gDPConstraints = {
       video: true,
       optional: optionalConstraints
-    }
+    };
 
     return gDPConstraints;
   };
@@ -701,7 +700,7 @@ window.getScreenConstraints = function (sendSource, callback) {
         kurentoManager.kurentoScreenshare.extensionInstalled = true;
 
         // Re-wrap the video constraints into the mandatory object (latest adapter)
-        screenConstraints.video = {}
+        screenConstraints.video = {};
         screenConstraints.video.mandatory = {};
         screenConstraints.video.mandatory.maxFrameRate = 10;
         screenConstraints.video.mandatory.maxHeight = kurentoManager.kurentoScreenshare.vid_max_height;
diff --git a/bigbluebutton-html5/imports/api/screenshare/client/bridge/kurento.js b/bigbluebutton-html5/imports/api/screenshare/client/bridge/kurento.js
index 0c5114257014b7a83c365a38e1627d49f48f2919..52ee3313b0eee5b723562e06b9b2973b813d5750 100755
--- a/bigbluebutton-html5/imports/api/screenshare/client/bridge/kurento.js
+++ b/bigbluebutton-html5/imports/api/screenshare/client/bridge/kurento.js
@@ -3,7 +3,6 @@ import Auth from '/imports/ui/services/auth';
 import BridgeService from './service';
 import { fetchWebRTCMappedStunTurnServers } from '/imports/utils/fetchStunTurnServers';
 import logger from '/imports/startup/client/logger';
-import { notify } from '/imports/ui/services/notification';
 
 const SFU_CONFIG = Meteor.settings.public.kurento;
 const SFU_URL = SFU_CONFIG.wsUrl;
@@ -15,8 +14,6 @@ const SCREENSHARE_VIDEO_TAG = 'screenshareVideo';
 
 const CHROME_EXTENSION_KEY = CHROME_CUSTOM_EXTENSION_KEY === 'KEY' ? CHROME_DEFAULT_EXTENSION_KEY : CHROME_CUSTOM_EXTENSION_KEY;
 
-const ICE_CONNECTION_FAILED = 'ICE connection failed';
-
 const getUserId = () => Auth.userID;
 
 const getMeetingId = () => Auth.meetingID;