diff --git a/src/base/preferences.cpp b/src/base/preferences.cpp
index 4e2856330..fa35f8f47 100644
--- a/src/base/preferences.cpp
+++ b/src/base/preferences.cpp
@@ -1241,26 +1241,6 @@ void Preferences::setMainLastDir(const QString &path)
     setValue("MainWindowLastDir", path);
 }
 
-QSize Preferences::getPrefSize() const
-{
-    return value("Preferences/State/size").toSize();
-}
-
-void Preferences::setPrefSize(const QSize &size)
-{
-    setValue("Preferences/State/size", size);
-}
-
-QStringList Preferences::getPrefHSplitterSizes() const
-{
-    return value("Preferences/State/hSplitterSizes").toStringList();
-}
-
-void Preferences::setPrefHSplitterSizes(const QStringList &sizes)
-{
-    setValue("Preferences/State/hSplitterSizes", sizes);
-}
-
 QByteArray Preferences::getPeerListState() const
 {
     return value("TorrentProperties/Peers/qt5/PeerListState").toByteArray();
diff --git a/src/base/preferences.h b/src/base/preferences.h
index cab46c6a1..903d0008e 100644
--- a/src/base/preferences.h
+++ b/src/base/preferences.h
@@ -329,10 +329,6 @@ public:
     void setMainVSplitterState(const QByteArray &state);
     QString getMainLastDir() const;
     void setMainLastDir(const QString &path);
-    QSize getPrefSize() const;
-    void setPrefSize(const QSize &size);
-    QStringList getPrefHSplitterSizes() const;
-    void setPrefHSplitterSizes(const QStringList &sizes);
     QByteArray getPeerListState() const;
     void setPeerListState(const QByteArray &state);
     QString getPropSplitterSizes() const;
diff --git a/src/gui/optionsdialog.cpp b/src/gui/optionsdialog.cpp
index 8c0a90976..d0d6a3300 100644
--- a/src/gui/optionsdialog.cpp
+++ b/src/gui/optionsdialog.cpp
@@ -68,6 +68,8 @@
 #include "uithememanager.h"
 #include "utils.h"
 
+#define SETTINGS_KEY(name) "OptionsDialog/" name
+
 namespace
 {
     QStringList translatedWeekdayNames()
@@ -169,9 +171,10 @@ private:
 
 // Constructor
 OptionsDialog::OptionsDialog(QWidget *parent)
-    : QDialog(parent)
-    , m_refreshingIpFilter(false)
-    , m_ui(new Ui::OptionsDialog)
+    : QDialog {parent}
+    , m_ui {new Ui::OptionsDialog}
+    , m_storeDialogSize {SETTINGS_KEY("Size")}
+    , m_storeHSplitterSize {SETTINGS_KEY("HorizontalSplitterSizes")}
 {
     qDebug("-> Constructing Options");
     m_ui->setupUi(this);
@@ -565,7 +568,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     for (QSpinBox *widget : asConst(findChildren<QSpinBox *>()))
         widget->installEventFilter(wheelEventEater);
 
-    loadWindowState();
+    Utils::Gui::resize(this, m_storeDialogSize);
     show();
     // Have to be called after show(), because splitter width needed
     loadSplitterState();
@@ -606,7 +609,13 @@ OptionsDialog::~OptionsDialog()
 {
     qDebug("-> destructing Options");
 
-    saveWindowState();
+    // save dialog states
+    m_storeDialogSize = size();
+
+    QStringList hSplitterSizes;
+    for (const int size : asConst(m_ui->hsplitter->sizes()))
+        hSplitterSizes.append(QString::number(size));
+    m_storeHSplitterSize = hSplitterSizes;
 
     for (const QString &path : asConst(m_addedScanDirs))
         ScanFoldersModel::instance()->removePath(path);
@@ -621,38 +630,18 @@ void OptionsDialog::changePage(QListWidgetItem *current, QListWidgetItem *previo
     m_ui->tabOption->setCurrentIndex(m_ui->tabSelection->row(current));
 }
 
-void OptionsDialog::loadWindowState()
-{
-    Utils::Gui::resize(this, Preferences::instance()->getPrefSize());
-}
-
 void OptionsDialog::loadSplitterState()
 {
-    const QStringList sizesStr = Preferences::instance()->getPrefHSplitterSizes();
-
     // width has been modified, use height as width reference instead
     const int width = Utils::Gui::scaledSize(this
         , (m_ui->tabSelection->item(TAB_UI)->sizeHint().height() * 2));
-    QList<int> sizes {width, (m_ui->hsplitter->width() - width)};
-    if (sizesStr.size() == 2)
-        sizes = {sizesStr.first().toInt(), sizesStr.last().toInt()};
-    m_ui->hsplitter->setSizes(sizes);
-}
-
-void OptionsDialog::saveWindowState() const
-{
-    Preferences *const pref = Preferences::instance();
+    const QStringList defaultSizes = {QString::number(width), QString::number(m_ui->hsplitter->width() - width)};
 
-    // window size
-    pref->setPrefSize(size());
+    QList<int> splitterSizes;
+    for (const QString &string : asConst(m_storeHSplitterSize.get(defaultSizes)))
+        splitterSizes.append(string.toInt());
 
-    // Splitter size
-    const QStringList sizesStr =
-    {
-        QString::number(m_ui->hsplitter->sizes().first()),
-        QString::number(m_ui->hsplitter->sizes().last())
-    };
-    pref->setPrefHSplitterSizes(sizesStr);
+    m_ui->hsplitter->setSizes(splitterSizes);
 }
 
 void OptionsDialog::saveOptions()
diff --git a/src/gui/optionsdialog.h b/src/gui/optionsdialog.h
index 056dc8e17..8479c450a 100644
--- a/src/gui/optionsdialog.h
+++ b/src/gui/optionsdialog.h
@@ -30,6 +30,8 @@
 
 #include <QDialog>
 
+#include "base/settingvalue.h"
+
 class QAbstractButton;
 class QCloseEvent;
 class QListWidgetItem;
@@ -58,6 +60,8 @@ namespace Ui
 class OptionsDialog final : public QDialog
 {
     Q_OBJECT
+    Q_DISABLE_COPY(OptionsDialog)
+
     using ThisType = OptionsDialog;
 
     enum Tabs
@@ -95,9 +99,7 @@ private slots:
     void enableApplyButton();
     void toggleComboRatioLimitAct();
     void changePage(QListWidgetItem *, QListWidgetItem *);
-    void loadWindowState();
     void loadSplitterState();
-    void saveWindowState() const;
     void handleScanFolderViewSelectionChanged();
     void on_IpFilterRefreshBtn_clicked();
     void handleIPFilterParsed(bool error, int ruleCount);
@@ -161,7 +163,6 @@ private:
     // IP Filter
     bool isIPFilteringEnabled() const;
     QString getFilter() const;
-    bool m_refreshingIpFilter;
     // Queueing system
     bool isQueueingSystemEnabled() const;
     int getMaxActiveDownloads() const;
@@ -177,8 +178,15 @@ private:
     bool schedTimesOk();
 
     Ui::OptionsDialog *m_ui;
+    SettingValue<QSize> m_storeDialogSize;
+    SettingValue<QStringList> m_storeHSplitterSize;
+
     QAbstractButton *m_applyButton;
+
     AdvancedSettings *m_advancedSettings;
+
     QList<QString> m_addedScanDirs;
     QList<QString> m_removedScanDirs;
+
+    bool m_refreshingIpFilter = false;
 };