diff --git a/.eslintrc b/.eslintrc
index 43564589375..2c52e6ffef0 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -5,6 +5,8 @@
     "discourse-ember/global-ember": 2
   },
   "globals": {
-    "bootbox": "off"
+    "bootbox": "off",
+    "Mousetrap": "off",
+    "_": "off"
   }
 }
diff --git a/app/assets/javascripts/admin/models/report.js b/app/assets/javascripts/admin/models/report.js
index 8475a26a95b..508fb4d959c 100644
--- a/app/assets/javascripts/admin/models/report.js
+++ b/app/assets/javascripts/admin/models/report.js
@@ -492,7 +492,7 @@ Report.reopenClass({
     const startDate = options.startDate || "start_date";
     const endDate = options.endDate || "end_date";
 
-    if (_.isArray(report[dataField])) {
+    if (Array.isArray(report[dataField])) {
       const startDateFormatted = moment
         .utc(report[startDate])
         .locale("en")
diff --git a/app/assets/javascripts/discourse/app/components/group-selector.js b/app/assets/javascripts/discourse/app/components/group-selector.js
index e39aadecbc7..cac994054ae 100644
--- a/app/assets/javascripts/discourse/app/components/group-selector.js
+++ b/app/assets/javascripts/discourse/app/components/group-selector.js
@@ -27,7 +27,7 @@ export default Component.extend({
     $(this.element.querySelector("input")).autocomplete({
       debounced: true,
       allowAny: false,
-      items: _.isArray(groupNames)
+      items: Array.isArray(groupNames)
         ? groupNames
         : isEmpty(groupNames)
         ? []
diff --git a/app/assets/javascripts/discourse/app/components/search-advanced-options.js b/app/assets/javascripts/discourse/app/components/search-advanced-options.js
index 365f7ed436e..ad44ac73b91 100644
--- a/app/assets/javascripts/discourse/app/components/search-advanced-options.js
+++ b/app/assets/javascripts/discourse/app/components/search-advanced-options.js
@@ -275,7 +275,7 @@ export default Component.extend({
     const group = this.get("searchedTerms.group");
 
     if (match.length !== 0) {
-      const existingInput = _.isArray(group) ? group[0] : group;
+      const existingInput = Array.isArray(group) ? group[0] : group;
       const userInput = match[0].replace(REGEXP_GROUP_PREFIX, "");
 
       if (existingInput !== userInput) {
@@ -294,7 +294,7 @@ export default Component.extend({
     const badge = this.get("searchedTerms.badge");
 
     if (match.length !== 0) {
-      const existingInput = _.isArray(badge) ? badge[0] : badge;
+      const existingInput = Array.isArray(badge) ? badge[0] : badge;
       const userInput = match[0].replace(REGEXP_BADGE_PREFIX, "");
 
       if (existingInput !== userInput) {
@@ -317,7 +317,7 @@ export default Component.extend({
 
     if (match.length !== 0) {
       const join_char = contain_all_tags ? "+" : ",";
-      const existingInput = _.isArray(tags) ? tags.join(join_char) : tags;
+      const existingInput = Array.isArray(tags) ? tags.join(join_char) : tags;
       const userInput = match[0].replace(REGEXP_TAGS_REPLACE, "");
 
       if (existingInput !== userInput) {
diff --git a/app/assets/javascripts/discourse/app/lib/autocomplete.js b/app/assets/javascripts/discourse/app/lib/autocomplete.js
index 1b2a0b6100d..47cde9a4f87 100644
--- a/app/assets/javascripts/discourse/app/lib/autocomplete.js
+++ b/app/assets/javascripts/discourse/app/lib/autocomplete.js
@@ -113,7 +113,7 @@ export default function(options) {
     if (options.single) {
       inputSelectedItems = [];
     }
-    transformed = _.isArray(transformedItem)
+    transformed = Array.isArray(transformedItem)
       ? transformedItem
       : [transformedItem || item];
 
diff --git a/app/assets/javascripts/discourse/app/lib/computed.js b/app/assets/javascripts/discourse/app/lib/computed.js
index 51292ae13a4..a625647e515 100644
--- a/app/assets/javascripts/discourse/app/lib/computed.js
+++ b/app/assets/javascripts/discourse/app/lib/computed.js
@@ -6,7 +6,7 @@ import { htmlSafe as htmlSafeTemplateHelper } from "@ember/template";
 function addonFmt(str, formats) {
   let cachedFormats = formats;
 
-  if (!_.isArray(cachedFormats) || arguments.length > 2) {
+  if (!Array.isArray(cachedFormats) || arguments.length > 2) {
     cachedFormats = new Array(arguments.length - 1);
 
     for (let i = 1, l = arguments.length; i < l; i++) {
diff --git a/test/javascripts/components/keyboard-shortcuts-test.js b/test/javascripts/components/keyboard-shortcuts-test.js
index 025bec5ecf0..7e9c6f2783b 100644
--- a/test/javascripts/components/keyboard-shortcuts-test.js
+++ b/test/javascripts/components/keyboard-shortcuts-test.js
@@ -13,7 +13,7 @@ QUnit.module("lib:keyboard-shortcuts", {
           _bindings[binding] = callback;
         }.bind(this);
 
-        if (_.isArray(bindings)) {
+        if (Array.isArray(bindings)) {
           bindings.forEach(registerBinding, this);
         } else {
           registerBinding(bindings);