diff --git a/app/assets/javascripts/admin/addon/controllers/admin-plugins.js b/app/assets/javascripts/admin/addon/controllers/admin-plugins.js
index 54551537da8..be663cadb15 100644
--- a/app/assets/javascripts/admin/addon/controllers/admin-plugins.js
+++ b/app/assets/javascripts/admin/addon/controllers/admin-plugins.js
@@ -1,3 +1,4 @@
+import { action } from "@ember/object";
 import Controller from "@ember/controller";
 import discourseComputed from "discourse-common/utils/decorators";
 
@@ -13,13 +14,11 @@ export default Controller.extend({
       .compact();
   },
 
-  actions: {
-    clearFilter() {
-      this.setProperties({ filter: "", onlyOverridden: false });
-    },
-
-    toggleMenu() {
-      $(".admin-detail").toggleClass("mobile-closed mobile-open");
-    },
+  @action
+  toggleMenu() {
+    const adminDetail = document.querySelector(".admin-detail");
+    ["mobile-closed", "mobile-open"].forEach((state) => {
+      adminDetail.classList.toggle(state);
+    });
   },
 });
diff --git a/app/assets/javascripts/admin/addon/controllers/admin-site-settings.js b/app/assets/javascripts/admin/addon/controllers/admin-site-settings.js
index 58859ae9335..dc5ba1193d7 100644
--- a/app/assets/javascripts/admin/addon/controllers/admin-site-settings.js
+++ b/app/assets/javascripts/admin/addon/controllers/admin-site-settings.js
@@ -5,6 +5,7 @@ import { alias } from "@ember/object/computed";
 import discourseDebounce from "discourse-common/lib/debounce";
 import { isEmpty } from "@ember/utils";
 import { observes } from "discourse-common/utils/decorators";
+import { action } from "@ember/object";
 
 export default Controller.extend({
   filter: null,
@@ -126,13 +127,16 @@ export default Controller.extend({
     );
   },
 
-  actions: {
-    clearFilter() {
-      this.setProperties({ filter: "", onlyOverridden: false });
-    },
+  @action
+  clearFilter() {
+    this.setProperties({ filter: "", onlyOverridden: false });
+  },
 
-    toggleMenu() {
-      $(".admin-detail").toggleClass("mobile-closed mobile-open");
-    },
+  @action
+  toggleMenu() {
+    const adminDetail = document.querySelector(".admin-detail");
+    ["mobile-closed", "mobile-open"].forEach((state) => {
+      adminDetail.classList.toggle(state);
+    });
   },
 });
diff --git a/app/assets/javascripts/admin/addon/templates/plugins.hbs b/app/assets/javascripts/admin/addon/templates/plugins.hbs
index 9dad110efc4..054a6d10068 100644
--- a/app/assets/javascripts/admin/addon/templates/plugins.hbs
+++ b/app/assets/javascripts/admin/addon/templates/plugins.hbs
@@ -26,5 +26,3 @@
 <div class="admin-detail pull-left mobile-closed">
   {{outlet}}
 </div>
-
-<div class="clearfix"></div>