diff --git a/gpt4all-chat/src/main.cpp b/gpt4all-chat/src/main.cpp
index b3074c4f..0a52f446 100644
--- a/gpt4all-chat/src/main.cpp
+++ b/gpt4all-chat/src/main.cpp
@@ -12,14 +12,11 @@
 #include <singleapplication.h>
 
 #include <QCoreApplication>
-#include <QGuiApplication>
 #include <QObject>
 #include <QQmlApplicationEngine>
-#include <QQmlEngine>
 #include <QQuickWindow>
 #include <QSettings>
 #include <QString>
-#include <QTranslator>
 #include <QUrl>
 #include <Qt>
 
@@ -31,16 +28,19 @@
 #   include <windows.h>
 #endif
 
-void raiseWindow(QWindow* window) {
+using namespace Qt::Literals::StringLiterals;
+
+
+static void raiseWindow(QWindow *window)
+{
 #ifdef Q_OS_WINDOWS
-    HWND hwnd = (HWND)window->winId();
+    HWND hwnd = HWND(window->winId());
 
     // check if window is minimized to Windows task bar
-    if (::IsIconic(hwnd)) {
-        ::ShowWindow(hwnd, SW_RESTORE);
-    }
+    if (IsIconic(hwnd))
+        ShowWindow(hwnd, SW_RESTORE);
 
-    ::SetForegroundWindow(hwnd);
+    SetForegroundWindow(hwnd);
 #else
     window->show();
     window->raise();
@@ -61,7 +61,7 @@ int main(int argc, char *argv[])
     SingleApplication app(argc, argv, true /*allowSecondary*/);
     if (app.isSecondary()) {
 #ifdef Q_OS_WINDOWS
-        AllowSetForegroundWindow( DWORD( app.primaryPid() ) );
+        AllowSetForegroundWindow(DWORD(app.primaryPid()));
 #endif
         app.sendMessage("RAISE_WINDOW");
         return 0;
@@ -107,7 +107,7 @@ int main(int argc, char *argv[])
     qmlRegisterSingletonInstance("localdocs", 1, 0, "LocalDocs", LocalDocs::globalInstance());
     qmlRegisterUncreatableMetaObject(MySettingsEnums::staticMetaObject, "mysettingsenums", 1, 0, "MySettingsEnums", "Error: only enums");
 
-    const QUrl url(u"qrc:/gpt4all/main.qml"_qs);
+    const QUrl url(u"qrc:/gpt4all/main.qml"_s);
 
     QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
         &app, [url](QObject *obj, const QUrl &objUrl) {
@@ -117,7 +117,7 @@ int main(int argc, char *argv[])
     engine.load(url);
 
     QObject *rootObject = engine.rootObjects().first();
-    QQuickWindow *windowObject = qobject_cast<QQuickWindow*>(rootObject);
+    QQuickWindow *windowObject = qobject_cast<QQuickWindow *>(rootObject);
     QObject::connect(&app, &SingleApplication::receivedMessage,
                      windowObject, [windowObject] () { raiseWindow(windowObject); } );