diff --git a/.eslintrc.es6.json b/.eslintrc.es6.json
index e4c313ce55..bd08678648 100644
--- a/.eslintrc.es6.json
+++ b/.eslintrc.es6.json
@@ -52,7 +52,6 @@
     "no-extra-bind": 0,
     "class-methods-use-this": 0,
     "no-case-declarations": 0,
-    "array-bracket-spacing": 0,
     "no-else-return": 0,
     "max-len": 0,
     "no-useless-concat": 0,
diff --git a/assets/js/src/listing/listing.jsx b/assets/js/src/listing/listing.jsx
index 6fe3782089..40d190d0ca 100644
--- a/assets/js/src/listing/listing.jsx
+++ b/assets/js/src/listing/listing.jsx
@@ -662,7 +662,7 @@ const Listing = React.createClass({
       selection = false;
 
     if (is_checked) {
-      selected_ids = jQuery.merge(selected_ids, [ id ]);
+      selected_ids = jQuery.merge(selected_ids, [id]);
       // check whether all items on the page are selected
       if (
         jQuery('tbody .check-column :checkbox:not(:checked)').length === 0
diff --git a/assets/js/src/newsletters/listings/notification.jsx b/assets/js/src/newsletters/listings/notification.jsx
index 1bc972c066..5bd9b1136f 100644
--- a/assets/js/src/newsletters/listings/notification.jsx
+++ b/assets/js/src/newsletters/listings/notification.jsx
@@ -154,7 +154,7 @@ const newsletter_actions = [
 ];
 
 const NewsletterListNotification = React.createClass({
-  mixins: [ MailerMixin ],
+  mixins: [MailerMixin],
   updateStatus: function (e) {
     // make the event persist so that we can still override the selected value
     // in the ajax callback
diff --git a/assets/js/src/newsletters/listings/notification_history.jsx b/assets/js/src/newsletters/listings/notification_history.jsx
index 3863ff805f..27d821560c 100644
--- a/assets/js/src/newsletters/listings/notification_history.jsx
+++ b/assets/js/src/newsletters/listings/notification_history.jsx
@@ -55,7 +55,7 @@ let newsletter_actions = [
 newsletter_actions = Hooks.applyFilters('mailpoet_newsletters_listings_notification_history_actions', newsletter_actions);
 
 const NewsletterListNotificationHistory = React.createClass({
-  mixins: [ QueueMixin, StatisticsMixin, MailerMixin ],
+  mixins: [QueueMixin, StatisticsMixin, MailerMixin],
   renderItem: function (newsletter, actions, meta) {
     const rowClasses = classNames(
       'manage-column',
diff --git a/assets/js/src/newsletters/listings/standard.jsx b/assets/js/src/newsletters/listings/standard.jsx
index acb75d8376..fc98e93cf7 100644
--- a/assets/js/src/newsletters/listings/standard.jsx
+++ b/assets/js/src/newsletters/listings/standard.jsx
@@ -160,7 +160,7 @@ let newsletter_actions = [
 newsletter_actions = Hooks.applyFilters('mailpoet_newsletters_listings_standard_actions', newsletter_actions);
 
 const NewsletterListStandard = React.createClass({
-  mixins: [ QueueMixin, StatisticsMixin, MailerMixin ],
+  mixins: [QueueMixin, StatisticsMixin, MailerMixin],
   renderItem: function (newsletter, actions, meta) {
     const rowClasses = classNames(
       'manage-column',
diff --git a/assets/js/src/newsletters/listings/welcome.jsx b/assets/js/src/newsletters/listings/welcome.jsx
index 0685085a9d..cd800b1565 100644
--- a/assets/js/src/newsletters/listings/welcome.jsx
+++ b/assets/js/src/newsletters/listings/welcome.jsx
@@ -127,7 +127,7 @@ let newsletter_actions = [
 newsletter_actions = Hooks.applyFilters('mailpoet_newsletters_listings_welcome_notification_actions', newsletter_actions);
 
 const NewsletterListWelcome = React.createClass({
-  mixins: [ StatisticsMixin, MailerMixin ],
+  mixins: [StatisticsMixin, MailerMixin],
   updateStatus: function (e) {
     // make the event persist so that we can still override the selected value
     // in the ajax callback