diff --git a/ghost/admin/app/components/modal-portal-settings.js b/ghost/admin/app/components/modal-portal-settings.js
index c50550540f..b967ab9ebd 100644
--- a/ghost/admin/app/components/modal-portal-settings.js
+++ b/ghost/admin/app/components/modal-portal-settings.js
@@ -1,4 +1,3 @@
-import $ from 'jquery';
 import ModalComponent from 'ghost-admin/components/modal-base';
 import copyTextToClipboard from 'ghost-admin/utils/copy-text-to-clipboard';
 import {action, computed} from '@ember/object';
@@ -222,12 +221,7 @@ export default ModalComponent.extend({
          * @param  {MouseEvent} event - MouseEvent fired by the button click
          */
         triggerFileDialog(event) {
-            // simulate click to open file dialog
-            // using jQuery because IE11 doesn't support MouseEvent
-            $(event.target)
-                .closest('.gh-setting-action')
-                .find('input[type="file"]')
-                .click();
+            event?.target.closest('.gh-setting-action')?.find('input[type="file"]')?.click();
         },
 
         deleteCustomIcon() {
diff --git a/ghost/admin/app/controllers/settings/general.js b/ghost/admin/app/controllers/settings/general.js
index 159a3f8640..c73a7c61ad 100644
--- a/ghost/admin/app/controllers/settings/general.js
+++ b/ghost/admin/app/controllers/settings/general.js
@@ -2,7 +2,6 @@ import classic from 'ember-classic-decorator';
 import {action, computed} from '@ember/object';
 import {inject as service} from '@ember/service';
 /* eslint-disable ghost/ember/alias-model-in-controller */
-import $ from 'jquery';
 import Controller from '@ember/controller';
 import generatePassword from 'ghost-admin/utils/password-generator';
 import validator from 'validator';
@@ -67,12 +66,7 @@ export default class GeneralController extends Controller {
      */
     @action
     triggerFileDialog(event) {
-        // simulate click to open file dialog
-        // using jQuery because IE11 doesn't support MouseEvent
-        $(event.target)
-            .closest('.gh-setting-action')
-            .find('input[type="file"]')
-            .click();
+        event?.target.closest('.gh-setting-action')?.find('input[type="file"]')?.click();
     }
 
     /**
diff --git a/ghost/admin/app/controllers/settings/labs.js b/ghost/admin/app/controllers/settings/labs.js
index b4ab751e95..695f82a3d2 100644
--- a/ghost/admin/app/controllers/settings/labs.js
+++ b/ghost/admin/app/controllers/settings/labs.js
@@ -1,7 +1,6 @@
 import classic from 'ember-classic-decorator';
 import {inject as service} from '@ember/service';
 /* eslint-disable ghost/ember/alias-model-in-controller */
-import $ from 'jquery';
 import Controller from '@ember/controller';
 import RSVP from 'rsvp';
 import config from 'ghost-admin/config/environment';
@@ -161,11 +160,7 @@ export default class LabsController extends Controller {
     @action
     triggerFileDialog(event) {
         // simulate click to open file dialog
-        // using jQuery because IE11 doesn't support MouseEvent
-        $(event.target)
-            .closest('.gh-setting-action')
-            .find('input[type="file"]')
-            .click();
+        event?.target.closest('.gh-setting-action')?.find('input[type="file"]')?.click();
     }
 
     // TODO: convert to ember-concurrency task
diff --git a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-before-after.js b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-before-after.js
index ba6f50762f..cbb5ee924d 100644
--- a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-before-after.js
+++ b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-before-after.js
@@ -1,4 +1,3 @@
-import $ from 'jquery';
 import Component from '@glimmer/component';
 import {
     IMAGE_EXTENSIONS,
@@ -82,17 +81,6 @@ export default class KoenigCardBeforeAfterComponent extends Component {
         }
     }
 
-    _triggerFileDialog(event) {
-        let target = event && event.target || this.element;
-
-        // simulate click to open file dialog
-        // using jQuery because IE11 doesn't support MouseEvent
-        $(target)
-            .closest('.__mobiledoc-card')
-            .find('input[type="file"]')
-            .trigger('click');
-    }
-
     setupListeners() {
         this.updateImageDimensions();
         const handleResize = () => {
@@ -189,6 +177,15 @@ export default class KoenigCardBeforeAfterComponent extends Component {
         this._triggerFileDialog();
     }
 
+    _triggerFileDialog(event) {
+        const target = event?.target || this.element;
+
+        const cardElem = target.closest('.__mobiledoc-card');
+        const fileInput = cardElem?.querySelector('input[type="file"]');
+
+        fileInput?.click();
+    }
+
     @action
     uploadFailed() {
     }
diff --git a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-file.js b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-file.js
index 9d586defc3..57e6a6b0b8 100644
--- a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-file.js
+++ b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-file.js
@@ -123,9 +123,7 @@ export default class KoenigCardFileComponent extends Component {
         const cardElem = target.closest('.__mobiledoc-card');
         const fileInput = cardElem?.querySelector('input[type="file"]');
 
-        if (fileInput) {
-            fileInput.click();
-        }
+        fileInput?.click();
     }
 
     @action
diff --git a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-gallery.js b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-gallery.js
index 1145565a56..349de1c8d5 100644
--- a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-gallery.js
+++ b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-gallery.js
@@ -1,4 +1,3 @@
-import $ from 'jquery';
 import Component from '@ember/component';
 import EmberObject, {action, computed, set} from '@ember/object';
 import classic from 'ember-classic-decorator';
@@ -68,7 +67,7 @@ export default class KoenigCardGallery extends Component {
                 title: 'Add images',
                 icon: 'koenig/kg-add',
                 iconClass: 'fill-white',
-                action: run.bind(this, this._triggerFileDialog)
+                action: this.triggerFileDialog
             }]
         };
     }
@@ -184,7 +183,12 @@ export default class KoenigCardGallery extends Component {
 
     @action
     triggerFileDialog(event) {
-        this._triggerFileDialog(event);
+        const target = event?.target || this.element;
+
+        const cardElem = target.closest('.__mobiledoc-card');
+        const fileInput = cardElem?.querySelector('input[type="file"]');
+
+        fileInput?.click();
     }
 
     @action
@@ -340,17 +344,6 @@ export default class KoenigCardGallery extends Component {
         this._registerOrRefreshDragDropHandler();
     }
 
-    _triggerFileDialog(event) {
-        let target = event && event.target || this.element;
-
-        // simulate click to open file dialog
-        // using jQuery because IE11 doesn't support MouseEvent
-        $(target)
-            .closest('.__mobiledoc-card')
-            .find('input[type="file"]')
-            .click();
-    }
-
     // - rename container so that it's more explicit when we have an initial file
     //   drop container vs a drag reorder+file drop container?
     _registerOrRefreshDragDropHandler() {
diff --git a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-image.js b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-image.js
index d6b80515f9..d4d271d7bc 100644
--- a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-image.js
+++ b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-image.js
@@ -1,4 +1,3 @@
-import $ from 'jquery';
 import Component from '@ember/component';
 import classic from 'ember-classic-decorator';
 import {
@@ -137,7 +136,7 @@ export default class KoenigCardImage extends Component {
                 title: 'Replace image',
                 icon: 'koenig/kg-replace',
                 iconClass: 'fill-white',
-                action: run.bind(this, this._triggerFileDialog)
+                action: this.triggerFileDialog
             }];
         }
 
@@ -219,7 +218,12 @@ export default class KoenigCardImage extends Component {
      */
     @action
     triggerFileDialog(event) {
-        this._triggerFileDialog(event);
+        const target = event?.target || this.element;
+
+        const cardElem = target.closest('.__mobiledoc-card');
+        const fileInput = cardElem?.querySelector('input[type="file"]');
+
+        fileInput?.click();
     }
 
     @action
@@ -377,17 +381,6 @@ export default class KoenigCardImage extends Component {
         save(payload, false);
     }
 
-    _triggerFileDialog(event) {
-        let target = event && event.target || this.element;
-
-        // simulate click to open file dialog
-        // using jQuery because IE11 doesn't support MouseEvent
-        $(target)
-            .closest('.__mobiledoc-card')
-            .find('input[type="file"]')
-            .click();
-    }
-
     _editLink(event) {
         event.preventDefault();
         event.stopPropagation();
diff --git a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-product.js b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-product.js
index b31711d1ad..1829d7be3e 100644
--- a/ghost/admin/lib/koenig-editor/addon/components/koenig-card-product.js
+++ b/ghost/admin/lib/koenig-editor/addon/components/koenig-card-product.js
@@ -1,4 +1,3 @@
-import $ from 'jquery';
 import Browser from 'mobiledoc-kit/utils/browser';
 import Component from '@glimmer/component';
 import {
@@ -276,18 +275,12 @@ export default class KoenigCardProductComponent extends Component {
      */
     @action
     triggerFileDialog(event) {
-        this._triggerFileDialog(event);
-    }
+        const target = event?.target || this.element;
 
-    _triggerFileDialog(event) {
-        let target = event && event.target || this.element;
+        const cardElem = target.closest('.__mobiledoc-card');
+        const fileInput = cardElem?.querySelector('input[type="file"]');
 
-        // simulate click to open file dialog
-        // using jQuery because IE11 doesn't support MouseEvent
-        $(target)
-            .closest('.__mobiledoc-card')
-            .find('input[type="file"]')
-            .click();
+        fileInput?.click();
     }
 
     @action