diff -Nur a/lxqt-config-appearance/main.cpp b/lxqt-config-appearance/main.cpp
--- a/lxqt-config-appearance/main.cpp	2019-02-24 00:16:01.000000000 +0000
+++ b/lxqt-config-appearance/main.cpp	2019-05-22 11:13:45.456936737 +0100
@@ -30,10 +30,7 @@
 #include <LXQt/Settings>
 #include <LXQt/ConfigDialog>
 #include <QCommandLineParser>
-#include "iconthemeconfig.h"
 #include "lxqtthemeconfig.h"
-#include "styleconfig.h"
-#include "fontsconfig.h"
 #include "configothertoolkits.h"
 
 #include "../liblxqt-config-cursor/selectwnd.h"
@@ -66,23 +63,6 @@
 
     QSettings& qtSettings = *settings; // use lxqt config file for Qt settings in Qt5.
 
-    /*** Widget Style ***/
-    StyleConfig* stylePage = new StyleConfig(settings, &qtSettings, &mConfigAppearanceSettings, configOtherToolKits, dialog);
-    dialog->addPage(stylePage, QObject::tr("Widget Style"), QStringList() << "preferences-desktop-theme" << "preferences-desktop");
-    QObject::connect(dialog, &LXQt::ConfigDialog::reset, stylePage, &StyleConfig::initControls);
-    QObject::connect(stylePage, &StyleConfig::settingsChanged, dialog, [dialog] {
-        dialog->enableButton(QDialogButtonBox::Apply, true); // enable Apply button when something is changed
-    });
-
-    /*** Icon Theme ***/
-    IconThemeConfig* iconPage = new IconThemeConfig(settings, dialog);
-    dialog->addPage(iconPage, QObject::tr("Icons Theme"), QStringList() << "preferences-desktop-icons" << "preferences-desktop");
-    QObject::connect(dialog, &LXQt::ConfigDialog::reset, iconPage, &IconThemeConfig::initControls);
-    QObject::connect(iconPage, &IconThemeConfig::settingsChanged, dialog, [dialog] {
-        dialog->enableButton(QDialogButtonBox::Apply, true);
-    });
-    QObject::connect(iconPage, &IconThemeConfig::updateOtherSettings, configOtherToolKits, &ConfigOtherToolKits::setConfig);
-
     /*** LXQt Theme ***/
     LXQtThemeConfig* themePage = new LXQtThemeConfig(settings, dialog);
     dialog->addPage(themePage, QObject::tr("LXQt Theme"), QStringList() << "preferences-desktop-color" << "preferences-desktop");
@@ -91,14 +71,6 @@
         dialog->enableButton(QDialogButtonBox::Apply, true);
     });
 
-    /*** Font ***/
-    FontsConfig* fontsPage = new FontsConfig(settings, &qtSettings, dialog);
-    dialog->addPage(fontsPage, QObject::tr("Font"), QStringList() << "preferences-desktop-font" << "preferences-desktop");
-    QObject::connect(dialog, &LXQt::ConfigDialog::reset, fontsPage, &FontsConfig::initControls);
-    QObject::connect(fontsPage, &FontsConfig::updateOtherSettings, configOtherToolKits, &ConfigOtherToolKits::setConfig);
-    QObject::connect(fontsPage, &FontsConfig::settingsChanged, dialog, [dialog] {
-        dialog->enableButton(QDialogButtonBox::Apply, true);
-    });
 
     /*** Cursor Theme ***/
     SelectWnd* cursorPage = new SelectWnd(sessionSettings, dialog);
@@ -112,10 +84,7 @@
     QObject::connect(dialog, &LXQt::ConfigDialog::clicked, [=] (QDialogButtonBox::StandardButton btn) {
         if (btn == QDialogButtonBox::Apply)
         {
-            stylePage->applyStyle();
-            iconPage->applyIconTheme();
             themePage->applyLxqtTheme();
-            fontsPage->updateQtFont();
             cursorPage->applyCusorTheme();
             // disable Apply button after changes are applied
             dialog->enableButton(btn, false);