diff --git a/src/plugins/AccessKeysNavigation/akn_plugin.cpp b/src/plugins/AccessKeysNavigation/akn_plugin.cpp
index 195f4b549..c21aee20f 100644
--- a/src/plugins/AccessKeysNavigation/akn_plugin.cpp
+++ b/src/plugins/AccessKeysNavigation/akn_plugin.cpp
@@ -36,7 +36,7 @@ PluginSpec AKN_Plugin::pluginSpec()
     spec.name = "Access Keys Navigation";
     spec.info = "Access keys navigation for QupZilla";
     spec.description = "Provides support for navigating in webpages by keyboard shortcuts";
-    spec.version = "0.4.1";
+    spec.version = "0.4.2";
     spec.author = "David Rosca <nowrep@gmail.com>";
     spec.icon = QPixmap(":/accesskeysnavigation/data/icon.png");
     spec.hasSettings = true;
@@ -53,6 +53,8 @@ void AKN_Plugin::init(const QString &sPath)
 
 void AKN_Plugin::unload()
 {
+    delete m_settings.data();
+
     m_handler->deleteLater();
 }
 
@@ -72,10 +74,12 @@ QTranslator* AKN_Plugin::getTranslator(const QString &locale)
 
 void AKN_Plugin::showSettings(QWidget* parent)
 {
-    AKN_Settings* settings = new AKN_Settings(m_handler, parent);
-    settings->setAttribute(Qt::WA_DeleteOnClose);
+    if (!m_settings) {
+        m_settings = new AKN_Settings(m_handler, parent);
+    }
 
-    settings->show();
+    m_settings.data()->show();
+    m_settings.data()->raise();
 }
 
 bool AKN_Plugin::keyPress(const Qz::ObjectName &type, QObject* obj, QKeyEvent* event)
diff --git a/src/plugins/AccessKeysNavigation/akn_plugin.h b/src/plugins/AccessKeysNavigation/akn_plugin.h
index efc8943e9..83ec943d6 100644
--- a/src/plugins/AccessKeysNavigation/akn_plugin.h
+++ b/src/plugins/AccessKeysNavigation/akn_plugin.h
@@ -18,9 +18,12 @@
 #ifndef AKN_PLUGIN_H
 #define AKN_PLUGIN_H
 
+#include <QWeakPointer>
+
 #include "plugininterface.h"
 
 class AKN_Handler;
+class AKN_Settings;
 
 class AKN_Plugin : public QObject, public PluginInterface
 {
@@ -41,6 +44,7 @@ public:
     bool keyPress(const Qz::ObjectName &type, QObject* obj, QKeyEvent* event);
 
 private:
+    QWeakPointer<AKN_Settings> m_settings;
     AKN_Handler* m_handler;
 };
 
diff --git a/src/plugins/AccessKeysNavigation/akn_settings.cpp b/src/plugins/AccessKeysNavigation/akn_settings.cpp
index 4c9321a52..eef566ba6 100644
--- a/src/plugins/AccessKeysNavigation/akn_settings.cpp
+++ b/src/plugins/AccessKeysNavigation/akn_settings.cpp
@@ -30,6 +30,7 @@ AKN_Settings::AKN_Settings(AKN_Handler* handler, QWidget* parent)
     , m_handler(handler)
     , m_settingsFile(handler->settingsFile())
 {
+    setAttribute(Qt::WA_DeleteOnClose);
     ui->setupUi(this);
 
     QSettings settings(m_settingsFile, QSettings::IniFormat);
diff --git a/src/plugins/GreaseMonkey/gm_manager.cpp b/src/plugins/GreaseMonkey/gm_manager.cpp
index 6ba67a9e9..a8f27d905 100644
--- a/src/plugins/GreaseMonkey/gm_manager.cpp
+++ b/src/plugins/GreaseMonkey/gm_manager.cpp
@@ -40,8 +40,12 @@ GM_Manager::GM_Manager(const QString &sPath, QObject* parent)
 
 void GM_Manager::showSettings(QWidget* parent)
 {
-    GM_Settings settings(this, parent);
-    settings.exec();
+    if (!m_settings) {
+        m_settings = new GM_Settings(this, parent);
+    }
+
+    m_settings.data()->show();
+    m_settings.data()->raise();
 }
 
 void GM_Manager::downloadScript(const QNetworkRequest &request)
@@ -81,11 +85,15 @@ QString GM_Manager::requireScripts(const QStringList &urlList) const
     return script;
 }
 
-void GM_Manager::saveSettings()
+void GM_Manager::unloadPlugin()
 {
+    // Save settings
     QSettings settings(m_settingsPath + "extensions.ini", QSettings::IniFormat);
     settings.beginGroup("GreaseMonkey");
     settings.setValue("disabledScripts", m_disabledScripts);
+    settings.endGroup();
+
+    delete m_settings.data();
 }
 
 QList<GM_Script*> GM_Manager::allScripts() const
diff --git a/src/plugins/GreaseMonkey/gm_manager.h b/src/plugins/GreaseMonkey/gm_manager.h
index f389a33d8..f15c5c4be 100644
--- a/src/plugins/GreaseMonkey/gm_manager.h
+++ b/src/plugins/GreaseMonkey/gm_manager.h
@@ -20,11 +20,13 @@
 
 #include <QObject>
 #include <QStringList>
+#include <QWeakPointer>
 
 class QUrl;
 class QNetworkRequest;
 
 class GM_Script;
+class GM_Settings;
 
 class GM_Manager : public QObject
 {
@@ -39,7 +41,7 @@ public:
     QString scriptsDirectory() const;
     QString requireScripts(const QStringList &urlList) const;
 
-    void saveSettings();
+    void unloadPlugin();
 
     QList<GM_Script*> allScripts() const;
     bool containsScript(const QString &fullName) const;
@@ -66,6 +68,7 @@ private slots:
 private:
     QString m_settingsPath;
     QString m_bootstrap;
+    QWeakPointer<GM_Settings> m_settings;
 
     QStringList m_disabledScripts;
     QList<GM_Script*> m_endScripts;
diff --git a/src/plugins/GreaseMonkey/gm_plugin.cpp b/src/plugins/GreaseMonkey/gm_plugin.cpp
index 33d688951..396601e3e 100644
--- a/src/plugins/GreaseMonkey/gm_plugin.cpp
+++ b/src/plugins/GreaseMonkey/gm_plugin.cpp
@@ -38,7 +38,7 @@ PluginSpec GM_Plugin::pluginSpec()
     spec.name = "GreaseMonkey";
     spec.info = "Userscripts for QupZilla";
     spec.description = "Provides support for userscripts (www.userscripts.org)";
-    spec.version = "0.2.2";
+    spec.version = "0.2.3";
     spec.author = "David Rosca <nowrep@gmail.com>";
     spec.icon = QPixmap(":gm/data/icon.png");
     spec.hasSettings = true;
@@ -56,7 +56,7 @@ void GM_Plugin::init(const QString &sPath)
 
 void GM_Plugin::unload()
 {
-    m_manager->saveSettings();
+    m_manager->unloadPlugin();
     delete m_manager;
 }
 
diff --git a/src/plugins/GreaseMonkey/settings/gm_settings.cpp b/src/plugins/GreaseMonkey/settings/gm_settings.cpp
index 8ca0f68b4..b4f01e967 100644
--- a/src/plugins/GreaseMonkey/settings/gm_settings.cpp
+++ b/src/plugins/GreaseMonkey/settings/gm_settings.cpp
@@ -31,6 +31,7 @@ GM_Settings::GM_Settings(GM_Manager* manager, QWidget* parent)
     , ui(new Ui::GM_Settings)
     , m_manager(manager)
 {
+    setAttribute(Qt::WA_DeleteOnClose);
     ui->setupUi(this);
 
     connect(ui->listWidget, SIGNAL(itemDoubleClicked(QListWidgetItem*)), this, SLOT(showItemInfo(QListWidgetItem*)));
diff --git a/src/plugins/MouseGestures/mousegestures.cpp b/src/plugins/MouseGestures/mousegestures.cpp
index f40a4e50d..792a3a713 100644
--- a/src/plugins/MouseGestures/mousegestures.cpp
+++ b/src/plugins/MouseGestures/mousegestures.cpp
@@ -107,8 +107,17 @@ bool MouseGestures::mouseMove(QObject* obj, QMouseEvent* event)
 
 void MouseGestures::showSettings(QWidget* parent)
 {
-    MouseGesturesSettingsDialog* d = new MouseGesturesSettingsDialog(parent);
-    d->show();
+    if (!m_settings) {
+        m_settings = new MouseGesturesSettingsDialog(parent);
+    }
+
+    m_settings.data()->show();
+    m_settings.data()->raise();
+}
+
+void MouseGestures::unloadPlugin()
+{
+    delete m_settings.data();
 }
 
 void MouseGestures::upGestured()
@@ -192,7 +201,7 @@ void MouseGestures::upLeftGestured()
     }
 
     if (QApplication::isRightToLeft()) {
-            view->tabWidget()->nextTab();
+        view->tabWidget()->nextTab();
     }
     else {
         view->tabWidget()->previousTab();
@@ -210,7 +219,7 @@ void MouseGestures::upRightGestured()
         view->tabWidget()->previousTab();
     }
     else {
-            view->tabWidget()->nextTab();
+        view->tabWidget()->nextTab();
     }
 }
 
diff --git a/src/plugins/MouseGestures/mousegestures.h b/src/plugins/MouseGestures/mousegestures.h
index 5bb236c1b..c98a3116f 100644
--- a/src/plugins/MouseGestures/mousegestures.h
+++ b/src/plugins/MouseGestures/mousegestures.h
@@ -25,6 +25,7 @@ class QMouseEvent;
 
 class WebView;
 class QjtMouseGestureFilter;
+class MouseGesturesSettingsDialog;
 
 class MouseGestures : public QObject
 {
@@ -38,6 +39,7 @@ public:
     bool mouseMove(QObject* obj, QMouseEvent* event);
 
     void showSettings(QWidget* parent);
+    void unloadPlugin();
 
 private slots:
     void upGestured();
@@ -54,8 +56,8 @@ private slots:
 
 private:
     QjtMouseGestureFilter* m_filter;
+    QWeakPointer<MouseGesturesSettingsDialog> m_settings;
     QWeakPointer<WebView> m_view;
-
 };
 
 #endif // MOUSEGESTURES_H
diff --git a/src/plugins/MouseGestures/mousegesturesplugin.cpp b/src/plugins/MouseGestures/mousegesturesplugin.cpp
index b3e7eea6d..402128039 100644
--- a/src/plugins/MouseGestures/mousegesturesplugin.cpp
+++ b/src/plugins/MouseGestures/mousegesturesplugin.cpp
@@ -35,7 +35,7 @@ PluginSpec MouseGesturesPlugin::pluginSpec()
     spec.name = "Mouse Gestures";
     spec.info = "Mouse gestures for QupZilla";
     spec.description = "Provides support for navigating in webpages by mouse gestures";
-    spec.version = "0.3.2";
+    spec.version = "0.3.3";
     spec.author = "David Rosca <nowrep@gmail.com>";
     spec.icon = QPixmap(":/mousegestures/data/icon.png");
     spec.hasSettings = true;
@@ -56,6 +56,7 @@ void MouseGesturesPlugin::init(const QString &sPath)
 
 void MouseGesturesPlugin::unload()
 {
+    m_gestures->unloadPlugin();
     m_gestures->deleteLater();
 }
 
@@ -78,7 +79,6 @@ void MouseGesturesPlugin::showSettings(QWidget* parent)
     m_gestures->showSettings(parent);
 }
 
-
 bool MouseGesturesPlugin::mousePress(const Qz::ObjectName &type, QObject* obj, QMouseEvent* event)
 {
     if (type == Qz::ON_WebView) {
diff --git a/src/plugins/MouseGestures/mousegesturessettingsdialog.cpp b/src/plugins/MouseGestures/mousegesturessettingsdialog.cpp
index c5b7b79fb..b3b92e7fb 100644
--- a/src/plugins/MouseGestures/mousegesturessettingsdialog.cpp
+++ b/src/plugins/MouseGestures/mousegesturessettingsdialog.cpp
@@ -25,6 +25,7 @@ MouseGesturesSettingsDialog::MouseGesturesSettingsDialog(QWidget* parent)
     : QDialog(parent)
     , ui(new Ui::MouseGesturesSettingsDialog)
 {
+    setAttribute(Qt::WA_DeleteOnClose);
     ui->setupUi(this);
 
     if (QApplication::isRightToLeft()) {
diff --git a/src/plugins/PIM/PIM_handler.cpp b/src/plugins/PIM/PIM_handler.cpp
index e7180953b..706b4cfd2 100644
--- a/src/plugins/PIM/PIM_handler.cpp
+++ b/src/plugins/PIM/PIM_handler.cpp
@@ -89,10 +89,14 @@ void PIM_Handler::loadSettings()
 
 void PIM_Handler::showSettings(QWidget* parent)
 {
-    PIM_Settings* settings = new PIM_Settings(m_settingsFile, parent);
-    settings->show();
+    if (!m_settings) {
+        m_settings = new PIM_Settings(m_settingsFile, parent);
 
-    connect(settings, SIGNAL(accepted()), this, SLOT(loadSettings()));
+        connect(m_settings.data(), SIGNAL(accepted()), this, SLOT(loadSettings()));
+    }
+
+    m_settings.data()->show();
+    m_settings.data()->raise();
 }
 
 void PIM_Handler::populateWebViewMenu(QMenu* menu, WebView* view, const QWebHitTestResult &hitTest)
@@ -159,6 +163,11 @@ bool PIM_Handler::keyPress(WebView* view, QKeyEvent* event)
     return true;
 }
 
+void PIM_Handler::unloadPlugin()
+{
+    delete m_settings.data();
+}
+
 void PIM_Handler::webPageCreated(WebPage* page)
 {
     connect(page, SIGNAL(loadFinished(bool)), this, SLOT(pageLoadFinished()));
diff --git a/src/plugins/PIM/PIM_handler.h b/src/plugins/PIM/PIM_handler.h
index a40d0de33..9a1ff4eea 100644
--- a/src/plugins/PIM/PIM_handler.h
+++ b/src/plugins/PIM/PIM_handler.h
@@ -30,6 +30,8 @@
 class WebView;
 class WebPage;
 
+class PIM_Settings;
+
 class PIM_Handler : public QObject
 {
     Q_OBJECT
@@ -39,6 +41,8 @@ public:
     void populateWebViewMenu(QMenu* menu, WebView* view, const QWebHitTestResult &hitTest);
     bool keyPress(WebView* view, QKeyEvent* event);
 
+    void unloadPlugin();
+
 signals:
 
 public slots:
@@ -77,6 +81,7 @@ private:
     QHash<PI_Type, QStringList> m_infoMatches;
     QHash<PI_Type, QString> m_translations;
 
+    QWeakPointer<PIM_Settings> m_settings;
     QWeakPointer<WebView> m_view;
     QWebElement m_element;
 
diff --git a/src/plugins/PIM/PIM_plugin.cpp b/src/plugins/PIM/PIM_plugin.cpp
index 7198cfdc5..0618a2afd 100644
--- a/src/plugins/PIM/PIM_plugin.cpp
+++ b/src/plugins/PIM/PIM_plugin.cpp
@@ -38,7 +38,7 @@ PluginSpec PIM_Plugin::pluginSpec()
     spec.name = "PIM";
     spec.info = "Personal Information Manager";
     spec.description = "Adds ability for Qupzilla to store some personal data";
-    spec.version = "0.1.1";
+    spec.version = "0.1.2";
     spec.author = QString::fromUtf8("Mladen Pejaković <pejakm@gmail.com>");
     spec.icon = QPixmap(":/PIM/data/PIM.png");
     spec.hasSettings = true;
@@ -57,6 +57,7 @@ void PIM_Plugin::init(const QString &sPath)
 
 void PIM_Plugin::unload()
 {
+    m_handler->unloadPlugin();
     m_handler->deleteLater();
 }
 
diff --git a/src/plugins/TestPlugin/testplugin.cpp b/src/plugins/TestPlugin/testplugin.cpp
index 64eeb8c38..c431878b7 100644
--- a/src/plugins/TestPlugin/testplugin.cpp
+++ b/src/plugins/TestPlugin/testplugin.cpp
@@ -43,7 +43,7 @@ PluginSpec TestPlugin::pluginSpec()
     spec.name = "Example Plugin";
     spec.info = "Example minimal plugin";
     spec.description = "Very simple minimal plugin example";
-    spec.version = "0.1.5";
+    spec.version = "0.1.6";
     spec.author = "David Rosca <nowrep@gmail.com>";
     spec.icon = QPixmap(":qupzilla.png");
     spec.hasSettings = true;
@@ -81,6 +81,9 @@ void TestPlugin::unload()
 
     // Removing sidebar from application
     SideBarManager::removeSidebar("testplugin-sidebar");
+
+    // Deleting settings dialog if opened
+    delete m_settings.data();
 }
 
 bool TestPlugin::testPlugin()
@@ -107,24 +110,27 @@ void TestPlugin::showSettings(QWidget* parent)
     // This function will be called from Preferences after clicking on Settings button.
     // Settings button will be enabled if PluginSpec.hasSettings == true
 
-    QDialog* dialog = new QDialog(parent);
-    QPushButton* b = new QPushButton("Example Plugin v0.0.1");
-    QPushButton* closeButton = new QPushButton(tr("Close"));
-    QLabel* label = new QLabel();
-    label->setPixmap(QPixmap(":icons/other/about.png"));
+    if (!m_settings) {
+        m_settings = new QDialog(parent);
+        QPushButton* b = new QPushButton("Example Plugin v0.0.1");
+        QPushButton* closeButton = new QPushButton(tr("Close"));
+        QLabel* label = new QLabel();
+        label->setPixmap(QPixmap(":icons/other/about.png"));
 
-    QVBoxLayout* l = new QVBoxLayout(dialog);
-    l->addWidget(label);
-    l->addWidget(b);
-    l->addWidget(closeButton);
-    dialog->setLayout(l);
+        QVBoxLayout* l = new QVBoxLayout(m_settings.data());
+        l->addWidget(label);
+        l->addWidget(b);
+        l->addWidget(closeButton);
+        m_settings.data()->setLayout(l);
 
-    dialog->setAttribute(Qt::WA_DeleteOnClose);
-    dialog->setWindowTitle(tr("Example Plugin Settings"));
-    dialog->setWindowIcon(QIcon(":qupzilla.png"));
-    connect(closeButton, SIGNAL(clicked()), dialog, SLOT(close()));
+        m_settings.data()->setAttribute(Qt::WA_DeleteOnClose);
+        m_settings.data()->setWindowTitle(tr("Example Plugin Settings"));
+        m_settings.data()->setWindowIcon(QIcon(":qupzilla.png"));
+        connect(closeButton, SIGNAL(clicked()), m_settings.data(), SLOT(close()));
+    }
 
-    dialog->show();
+    m_settings.data()->show();
+    m_settings.data()->raise();
 }
 
 void TestPlugin::populateWebViewMenu(QMenu* menu, WebView* view, const QWebHitTestResult &r)
diff --git a/src/plugins/TestPlugin/testplugin.h b/src/plugins/TestPlugin/testplugin.h
index 922c60e45..f46cbeb64 100644
--- a/src/plugins/TestPlugin/testplugin.h
+++ b/src/plugins/TestPlugin/testplugin.h
@@ -31,6 +31,7 @@
 #include <QMessageBox>
 #include <QWebElement>
 #include <QVBoxLayout>
+#include <QWeakPointer>
 
 class TestPlugin : public QObject, public PluginInterface
 {
@@ -56,6 +57,8 @@ private slots:
     void actionSlot();
 
 private:
+    QWeakPointer<QDialog> m_settings;
+
     WebView* m_view;
     QString m_settingsPath;
 };