diff --git a/KittehPlayer.pro b/KittehPlayer.pro
index ffc7aa7..45b5cf6 100644
--- a/KittehPlayer.pro
+++ b/KittehPlayer.pro
@@ -29,7 +29,7 @@ unix {
 
 INSTALLS += target
 
-HEADERS += src/mpvobject.h src/config.h src/filesavedialog.h src/fileopendialog.h
+HEADERS += src/mpvobject.h src/filesavedialog.h src/fileopendialog.h
 
 
 DISTFILES += KittehPlayer.desktop KittehPlayer.png README.md LICENSE.txt
diff --git a/src/config.h b/src/config.h
deleted file mode 100644
index 8b6ca76..0000000
--- a/src/config.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#ifndef CONFIG_H
-#define CONFIG_H
-
-#include <mpv/client.h>
-
-#if MPV_CLIENT_API_VERSION >= MPV_MAKE_VERSION(1, 28)
-// good
-#else
-#error "Old MPV versions without render API are not supported."
-#endif
-
-#endif // CONFIG_H
diff --git a/src/main.cpp b/src/main.cpp
index 373b92e..b5cd47b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,30 +1,13 @@
-#include <stdexcept>
-#include <clocale>
-#include <bits/stdc++.h> 
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "config.h"
-#include "mpvobject.h"
 #ifdef QRC_SOURCE_PATH
 #include "runtimeqml/runtimeqml.h"
 #endif
 
+#include <QApplication>
+#include <QQmlApplicationEngine>
+#include <QProcessEnvironment>
 #include "fileopendialog.h"
 #include "filesavedialog.h"
-
-#include <QApplication>
-
-#include <QGuiApplication>
-#include <QMainWindow>
-
-#include <QQmlApplicationEngine>
-#include <QObject>
-#include <QWidget>
-#include <QtGui/QOpenGLFramebufferObject>
-#include <QQuickView>
-#include <QProcessEnvironment>
-
+#include "mpvobject.h"
 
 int main( int argc, char *argv[] )
 {
diff --git a/src/mpvobject.cpp b/src/mpvobject.cpp
index 8397e68..9f27b17 100644
--- a/src/mpvobject.cpp
+++ b/src/mpvobject.cpp
@@ -3,26 +3,12 @@
 #include <clocale>
 
 #include "mpvobject.h"
-#include "config.h"
 
-
-#include <QObject>
-#include <QtGlobal>
-#include <QtCore>
 #include <QApplication>
-
+#include <QQuickWindow>
 #include <QOpenGLContext>
+#include <QOpenGLFramebufferObject>
 
-#include <QGuiApplication>
-#include <QtQuick/QQuickWindow>
-#include <QtQuick/QQuickView>
-#include <QQuickFramebufferObject>
-#include <QOpenGLContext>
-#include <QtQuick/QQuickWindow>
-#include <QtQuick/QQuickView>
-#include <QtGui/QOpenGLFramebufferObject>
-
-#include <QJsonDocument>
 
 namespace
 {
diff --git a/src/mpvobject.h b/src/mpvobject.h
index 3ceca71..b20bea4 100644
--- a/src/mpvobject.h
+++ b/src/mpvobject.h
@@ -1,23 +1,14 @@
 #ifndef MPVOBJECT_H
 #define MPVOBJECT_H
 
-#include <QQuickFramebufferObject>
-
 #include <mpv/client.h>
-
 #include <mpv/render_gl.h>
-
 #include <mpv/qthelper.hpp>
 
 #include <QObject>
-#include <QtGlobal>
 #include <QOpenGLContext>
-#include <QGuiApplication>
-
 #include <QQuickFramebufferObject>
 
-#include <QtQuick/QQuickWindow>
-#include <QtQuick/QQuickView>
 
 
 class MpvRenderer;
diff --git a/src/qml/CustomComboBox.qml b/src/qml/CustomComboBox.qml
index 507ecda..8d7d225 100644
--- a/src/qml/CustomComboBox.qml
+++ b/src/qml/CustomComboBox.qml
@@ -1,8 +1,5 @@
 import QtQuick 2.11
 import QtQuick.Controls 2.4
-import QtQuick.Dialogs 1.3
-import QtQuick.Layouts 1.11
-import QtQuick.Window 2.11
 
 ComboBox {
     id: control
diff --git a/src/qml/CustomMenuItem.qml b/src/qml/CustomMenuItem.qml
index 4b8e5e2..87c2c89 100644
--- a/src/qml/CustomMenuItem.qml
+++ b/src/qml/CustomMenuItem.qml
@@ -1,8 +1,5 @@
 import QtQuick 2.11
 import QtQuick.Controls 2.4
-import QtQuick.Dialogs 1.3
-import QtQuick.Layouts 1.11
-import QtQuick.Window 2.11
 
 MenuItem {
     FontLoader {
diff --git a/src/qml/main.qml b/src/qml/main.qml
index 983bd11..9e8decf 100644
--- a/src/qml/main.qml
+++ b/src/qml/main.qml
@@ -5,7 +5,6 @@ import QtQuick.Layouts 1.11
 import QtQuick.Window 2.11
 import Qt.labs.settings 1.0
 import player 1.0
-//import QtGraphicalEffects 1.0
 
 import "codes.js" as LanguageCodes