diff --git a/src/public/app/dialogs/options/appearance.js b/src/public/app/dialogs/options/appearance.js
index 3bf3f6b40..3fc914498 100644
--- a/src/public/app/dialogs/options/appearance.js
+++ b/src/public/app/dialogs/options/appearance.js
@@ -1,7 +1,6 @@
 import server from "../../services/server.js";
 import utils from "../../services/utils.js";
 import appContext from "../../services/app_context.js";
-import convertUtils from "../../services/convert_utils.js";
 
 const FONT_FAMILIES = [
     { value: "theme", label: "Theme defined" },
@@ -29,12 +28,6 @@ const FONT_FAMILIES = [
 ];
 
 const TPL = `
-<style>
-    .disabled-form-label {
-        opacity: 0.5;
-    }
-</style>
-
 <p><strong>Settings on this options tab are saved automatically after each change.</strong></p>
 
 <form>
diff --git a/src/public/app/layouts/desktop_layout.js b/src/public/app/layouts/desktop_layout.js
index 5e83106f9..346f12aa9 100644
--- a/src/public/app/layouts/desktop_layout.js
+++ b/src/public/app/layouts/desktop_layout.js
@@ -45,7 +45,6 @@ import EditedNotesWidget from "../widgets/ribbon_widgets/edited_notes.js";
 import OpenNoteButtonWidget from "../widgets/buttons/open_note_button_widget.js";
 import MermaidWidget from "../widgets/mermaid.js";
 import BookmarkButtons from "../widgets/bookmark_buttons.js";
-import UpdateAvailableWidget from "../widgets/buttons/update_available.js";
 
 export default class DesktopLayout {
     constructor(customWidgets) {
diff --git a/src/public/app/services/convert_utils.js b/src/public/app/services/convert_utils.js
deleted file mode 100644
index 8312562f0..000000000
--- a/src/public/app/services/convert_utils.js
+++ /dev/null
@@ -1,7 +0,0 @@
-function parseBoolean(value) {
-    return value.toLowerCase() === "true";
-}
-
-export default {
-    parseBoolean
-}