diff --git a/plugins/dockers/palettedocker/palettedocker_dock.cpp b/plugins/dockers/palettedocker/palettedocker_dock.cpp
index 848aad1f7f..41d1c44024 100644
--- a/plugins/dockers/palettedocker/palettedocker_dock.cpp
+++ b/plugins/dockers/palettedocker/palettedocker_dock.cpp
@@ -1,401 +1,401 @@
 /*
  *  Copyright (c) 2013 Sven Langkamp <sven.langkamp@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 
 #include "palettedocker_dock.h"
 
 #include <QPainter>
 #include <QGridLayout>
 #include <QTableView>
 #include <QHeaderView>
 #include <QWheelEvent>
 #include <QColorDialog>
 #include <QCompleter>
 #include <QComboBox>
 #include <QAction>
 #include <QMenu>
 #include <QCheckBox>
 #include <QFormLayout>
 #include <QLineEdit>
 
 #include <KisSqueezedComboBox.h>
 #include <klocalizedstring.h>
 #include <KoResourceServerProvider.h>
 #include <KoColorSpaceRegistry.h>
 #include <KoFileDialog.h>
 #include <kis_icon.h>
 #include <kis_config.h>
 #include <kis_node_manager.h>
 #include <kis_workspace_resource.h>
 #include <kis_canvas_resource_provider.h>
 #include <KisMainWindow.h>
 #include <KisViewManager.h>
 #include <kis_display_color_converter.h>
 #include <kis_canvas2.h>
 #include <KoDialog.h>
 #include <kis_color_button.h>
 #include <KisDocument.h>
 #include <KisPart.h>
 
 #include <KisPaletteModel.h>
 #include <KisPaletteDelegate.h>
 #include <kis_palette_view.h>
 #include <KisPaletteListWidget.h>
 
 #include <KisPaletteEditor.h>
 #include <dialogs/KisDlgPaletteEditor.h>
 
 #include "ui_wdgpalettedock.h"
 
 PaletteDockerDock::PaletteDockerDock( )
     : QDockWidget(i18n("Palette"))
     , m_ui(new Ui_WdgPaletteDock())
     , m_model(new KisPaletteModel(this))
     , m_paletteChooser(new KisPaletteListWidget(this))
     , m_view(0)
     , m_resourceProvider(0)
     , m_rServer(KoResourceServerProvider::instance()->paletteServer())
     , m_activeDocument(0)
     , m_paletteEditor(new KisPaletteEditor)
     , m_actAdd(new QAction(KisIconUtils::loadIcon("list-add"), i18n("Add a color")))
     , m_actRemove(new QAction(KisIconUtils::loadIcon("edit-delete"), i18n("Delete color")))
     , m_actModify(new QAction(KisIconUtils::loadIcon("edit-rename"), i18n("Modify this spot")))
     , m_actEditPalette(new QAction(KisIconUtils::loadIcon("groupLayer"), i18n("Edit this palette")))
     , m_colorSelfUpdate(false)
 {
     QWidget *mainWidget = new QWidget(this);
     setWidget(mainWidget);
     m_ui->setupUi(mainWidget);
 
     m_ui->bnAdd->setDefaultAction(m_actAdd.data());
     m_ui->bnRemove->setDefaultAction(m_actRemove.data());
     m_ui->bnRename->setDefaultAction(m_actModify.data());
     m_ui->bnEditPalette->setDefaultAction(m_actEditPalette.data());
 
     // to make sure their icons have the same size
     m_ui->bnRemove->setIconSize(QSize(16, 16));
     m_ui->bnRename->setIconSize(QSize(16, 16));
     m_ui->bnAdd->setIconSize(QSize(16, 16));
     m_ui->bnEditPalette->setIconSize(QSize(16, 16));
 
     m_ui->paletteView->setPaletteModel(m_model);
     m_ui->paletteView->setAllowModification(true);
     m_ui->cmbNameList->setCompanionView(m_ui->paletteView);
 
     m_paletteEditor->setPaletteModel(m_model);
 
     connect(m_actAdd.data(), SIGNAL(triggered()), SLOT(slotAddColor()));
     connect(m_actRemove.data(), SIGNAL(triggered()), SLOT(slotRemoveColor()));
     connect(m_actModify.data(), SIGNAL(triggered()), SLOT(slotEditEntry()));
     connect(m_actEditPalette.data(), SIGNAL(triggered()), SLOT(slotEditPalette()));
     connect(m_ui->paletteView, SIGNAL(sigIndexSelected(QModelIndex)),
             SLOT(slotPaletteIndexSelected(QModelIndex)));
     connect(m_ui->paletteView, SIGNAL(clicked(QModelIndex)),
             SLOT(slotPaletteIndexClicked(QModelIndex)));
     connect(m_ui->paletteView, SIGNAL(doubleClicked(QModelIndex)),
             SLOT(slotPaletteIndexDoubleClicked(QModelIndex)));
     connect(m_ui->cmbNameList, SIGNAL(sigColorSelected(const KoColor&)), SLOT(slotNameListSelection(const KoColor&)));
 
     m_viewContextMenu.addAction(m_actModify.data());
     m_viewContextMenu.addAction(m_actRemove.data());
     connect(m_ui->paletteView, SIGNAL(pressed(QModelIndex)), SLOT(slotContextMenu(QModelIndex)));
 
     m_paletteChooser->setAllowModification(true);
     connect(m_paletteChooser, SIGNAL(sigPaletteSelected(KoColorSet*)), SLOT(slotSetColorSet(KoColorSet*)));
     connect(m_paletteChooser, SIGNAL(sigAddPalette()), SLOT(slotAddPalette()));
     connect(m_paletteChooser, SIGNAL(sigImportPalette()), SLOT(slotImportPalette()));
     connect(m_paletteChooser, SIGNAL(sigRemovePalette(KoColorSet*)), SLOT(slotRemovePalette(KoColorSet*)));
     connect(m_paletteChooser, SIGNAL(sigExportPalette(KoColorSet*)), SLOT(slotExportPalette(KoColorSet*)));
 
     m_ui->bnColorSets->setIcon(KisIconUtils::loadIcon("hi16-palette_library"));
     m_ui->bnColorSets->setToolTip(i18n("Choose palette"));
     m_ui->bnColorSets->setPopupWidget(m_paletteChooser);
 
     KisConfig cfg(true);
     QString defaultPaletteName = cfg.defaultPalette();
     KoColorSet* defaultPalette = m_rServer->resourceByName(defaultPaletteName);
     if (defaultPalette) {
         slotSetColorSet(defaultPalette);
     } else {
         m_ui->bnAdd->setEnabled(false);
         m_ui->bnRename->setEnabled(false);
         m_ui->bnRemove->setEnabled(false);
         m_ui->bnEditPalette->setEnabled(false);
         m_ui->paletteView->setAllowModification(false);
     }
 }
 
 PaletteDockerDock::~PaletteDockerDock()
 { }
 
 void PaletteDockerDock::setViewManager(KisViewManager* kisview)
 {
     m_view = kisview;
     m_resourceProvider = kisview->canvasResourceProvider();
     connect(m_resourceProvider, SIGNAL(sigSavingWorkspace(KisWorkspaceResource*)),
             SLOT(saveToWorkspace(KisWorkspaceResource*)));
     connect(m_resourceProvider, SIGNAL(sigLoadingWorkspace(KisWorkspaceResource*)),
             SLOT(loadFromWorkspace(KisWorkspaceResource*)));
     connect(m_resourceProvider, SIGNAL(sigFGColorChanged(KoColor)),
             this, SLOT(slotFGColorResourceChanged(KoColor)));
     kisview->nodeManager()->disconnect(m_model);
 }
 
 void PaletteDockerDock::slotContextMenu(const QModelIndex &)
 {
     if (QApplication::mouseButtons() == Qt::RightButton) {
         m_viewContextMenu.exec(QCursor::pos());
     }
 }
 
 void PaletteDockerDock::slotAddPalette()
 {
     m_paletteEditor->addPalette();
 }
 
 void PaletteDockerDock::slotRemovePalette(KoColorSet *cs)
 {
     m_paletteEditor->removePalette(cs);
 }
 
 void PaletteDockerDock::slotImportPalette()
 {
     m_paletteEditor->importPalette();
 }
 
 void PaletteDockerDock::slotExportPalette(KoColorSet *palette)
 {
     KoFileDialog dialog(this, KoFileDialog::SaveFile, "Save Palette");
     dialog.setDefaultDir(palette->filename());
     dialog.setMimeTypeFilters(QStringList() << "krita/x-colorset");
     QString newPath;
     bool isStandAlone = palette->isGlobal();
     QString oriPath = palette->filename();
     if ((newPath = dialog.filename()).isEmpty()) { return; }
     palette->setFilename(newPath);
     palette->setIsGlobal(true);
     palette->save();
     palette->setFilename(oriPath);
     palette->setIsGlobal(isStandAlone);
 }
 
 void PaletteDockerDock::setCanvas(KoCanvasBase *canvas)
 {
     setEnabled(canvas != 0);
     if (canvas) {
         KisCanvas2 *cv = qobject_cast<KisCanvas2*>(canvas);
         m_ui->paletteView->setDisplayRenderer(cv->displayColorConverter()->displayRendererInterface());
     }
 
     if (m_activeDocument) {
-        m_activeDocument->disconnect(this);
+        m_connections.clear();
         for (KoColorSet * &cs : m_activeDocument->paletteList()) {
             KoColorSet *tmpAddr = cs;
             cs = new KoColorSet(*cs);
             m_rServer->removeResourceFromServer(tmpAddr);
         }
     }
 
     if (m_view && m_view->document()) {
         m_activeDocument = m_view->document();
         m_paletteEditor->setView(m_view);
 
         for (KoColorSet *cs : m_activeDocument->paletteList()) {
             m_rServer->addResource(cs);
         }
-        connect(m_activeDocument, &KisDocument::sigPaletteListChanged, this, &PaletteDockerDock::slotUpdatePaletteList);
+        m_connections.addConnection(m_activeDocument, SIGNAL(sigPaletteListChanged), this, SLOT(slotUpdatePaletteList));
     }
 
     if (!m_currentColorSet) {
         slotSetColorSet(0);
     }
 }
 
 void PaletteDockerDock::unsetCanvas()
 {
     setEnabled(false);
     m_ui->paletteView->setDisplayRenderer(0);
     m_paletteEditor->setView(0);
 
     for (KoResource *r : m_rServer->resources()) {
         KoColorSet *c = static_cast<KoColorSet*>(r);
         if (!c->isGlobal()) {
             m_rServer->removeResourceFromServer(c);
         }
     }
     if (!m_currentColorSet) {
         slotSetColorSet(0);
     }
 }
 
 void PaletteDockerDock::slotSetColorSet(KoColorSet* colorSet)
 {
     if (colorSet && colorSet->isEditable()) {
         m_ui->bnAdd->setEnabled(true);
         m_ui->bnRename->setEnabled(true);
         m_ui->bnRemove->setEnabled(true);
         m_ui->bnEditPalette->setEnabled(true);
         m_ui->paletteView->setAllowModification(true);
     } else {
         m_ui->bnAdd->setEnabled(false);
         m_ui->bnRename->setEnabled(false);
         m_ui->bnRemove->setEnabled(false);
         m_ui->bnEditPalette->setEnabled(false);
         m_ui->paletteView->setAllowModification(false);
     }
 
     m_currentColorSet = colorSet;
     m_model->setPalette(colorSet);
     if (colorSet) {
         KisConfig cfg(true);
         cfg.setDefaultPalette(colorSet->name());
         m_ui->lblPaletteName->setTextElideMode(Qt::ElideLeft);
         m_ui->lblPaletteName->setText(colorSet->name());
     } else {
         m_ui->lblPaletteName->setText("");
     }
 }
 
 void PaletteDockerDock::slotEditPalette()
 {
     KisDlgPaletteEditor dlg;
     if (!m_currentColorSet) { return; }
     dlg.setPaletteModel(m_model);
     dlg.setView(m_view);
     if (dlg.exec() != QDialog::Accepted){ return; }
 
     slotSetColorSet(m_currentColorSet); // update GUI
 }
 
 
 void PaletteDockerDock::slotAddColor()
 {
     if (m_resourceProvider) {
         m_paletteEditor->addEntry(m_resourceProvider->fgColor());
     }
 }
 
 void PaletteDockerDock::slotRemoveColor()
 {
     QModelIndex index = m_ui->paletteView->currentIndex();
     if (!index.isValid()) {
         return;
     }
     m_paletteEditor->removeEntry(index);
     m_ui->bnRemove->setEnabled(false);
 }
 
 void PaletteDockerDock::setFGColorByPalette(const KisSwatch &entry)
 {
     if (m_resourceProvider) {
         m_colorSelfUpdate = true;
         m_resourceProvider->setFGColor(entry.color());
         m_colorSelfUpdate = false;
     }
 }
 
 void PaletteDockerDock::saveToWorkspace(KisWorkspaceResource* workspace)
 {
     if (!m_currentColorSet.isNull()) {
         workspace->setProperty("palette", m_currentColorSet->name());
     }
 }
 
 void PaletteDockerDock::loadFromWorkspace(KisWorkspaceResource* workspace)
 {
     if (workspace->hasProperty("palette")) {
         KoResourceServer<KoColorSet>* rServer = KoResourceServerProvider::instance()->paletteServer();
         KoColorSet* colorSet = rServer->resourceByName(workspace->getString("palette"));
         if (colorSet) {
             slotSetColorSet(colorSet);
         }
     }
 }
 
 void PaletteDockerDock::slotFGColorResourceChanged(const KoColor &color)
 {
     if (!m_colorSelfUpdate) {
         m_ui->paletteView->slotFGColorChanged(color);
     }
 }
 
 void PaletteDockerDock::slotPaletteIndexSelected(const QModelIndex &index)
 {
     bool occupied = qvariant_cast<bool>(index.data(KisPaletteModel::CheckSlotRole));
     if (occupied) {
         if (!qvariant_cast<bool>(index.data(KisPaletteModel::IsGroupNameRole))) {
             m_ui->bnRemove->setEnabled(true);
             KisSwatch entry = m_model->getEntry(index);
             setFGColorByPalette(entry);
         }
     }
     if (!m_currentColorSet->isEditable()) { return; }
     m_ui->bnRemove->setEnabled(occupied);
 }
 
 void PaletteDockerDock::slotPaletteIndexClicked(const QModelIndex &index)
 {
     if (!(qvariant_cast<bool>(index.data(KisPaletteModel::CheckSlotRole)))) {
         setEntryByForeground(index);
     }
 }
 
 void PaletteDockerDock::slotPaletteIndexDoubleClicked(const QModelIndex &index)
 {
     m_paletteEditor->modifyEntry(index);
 }
 
 void PaletteDockerDock::setEntryByForeground(const QModelIndex &index)
 {
     m_paletteEditor->setEntry(m_resourceProvider->fgColor(), index);
     if (m_currentColorSet->isEditable()) {
         m_ui->bnRemove->setEnabled(true);
     }
 }
 
 void PaletteDockerDock::slotEditEntry()
 {
     QModelIndex index = m_ui->paletteView->currentIndex();
     if (!index.isValid()) {
         return;
     }
     m_paletteEditor->modifyEntry(index);
 }
 
 void PaletteDockerDock::slotNameListSelection(const KoColor &color)
 {
     m_colorSelfUpdate = true;
     m_ui->paletteView->selectClosestColor(color);
     m_resourceProvider->setFGColor(color);
     m_colorSelfUpdate = false;
 }
 
 void PaletteDockerDock::slotUpdatePaletteList(const QList<KoColorSet *> &oldPaletteList, const QList<KoColorSet *> &newPaletteList)
 {
     for (KoColorSet *cs : oldPaletteList) {
         m_rServer->removeResourceFromServer(cs);
     }
 
     for (KoColorSet *cs : newPaletteList) {
         m_rServer->addResource(cs);
     }
 
     if (!m_currentColorSet) {
         slotSetColorSet(0);
     }
 }
diff --git a/plugins/dockers/palettedocker/palettedocker_dock.h b/plugins/dockers/palettedocker/palettedocker_dock.h
index 2bf7f3e517..fff55179a2 100644
--- a/plugins/dockers/palettedocker/palettedocker_dock.h
+++ b/plugins/dockers/palettedocker/palettedocker_dock.h
@@ -1,116 +1,119 @@
 /*
  *  Copyright (c) 2013 Sven Langkamp <sven.langkamp@gmail.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
  *  the Free Software Foundation; either version 2 of the License, or
  *  (at your option) any later version.
  *
  *  This program is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 
 #ifndef PALETTEDOCKER_DOCK_H
 #define PALETTEDOCKER_DOCK_H
 
 #include <QDockWidget>
 #include <QModelIndex>
 #include <QScopedPointer>
 #include <QVector>
 #include <QPointer>
 #include <QPair>
 #include <QAction>
 #include <QMenu>
 
 #include <KoResourceServerObserver.h>
 #include <KoResourceServer.h>
 #include <resources/KoColorSet.h>
 
 #include <kis_canvas2.h>
 #include <kis_mainwindow_observer.h>
 #include <KisView.h>
+#include <kis_signal_auto_connection.h>
 
 class KisViewManager;
 class KisCanvasResourceProvider;
 class KisWorkspaceResource;
 class KisPaletteListWidget;
 class KisPaletteModel;
 
 class KisPaletteEditor;
 class Ui_WdgPaletteDock;
 
 class PaletteDockerDock : public QDockWidget, public KisMainwindowObserver
 {
     Q_OBJECT
 public:
     PaletteDockerDock();
     ~PaletteDockerDock() override;
 
 public: // QDockWidget
     void setCanvas(KoCanvasBase *canvas) override;
     void unsetCanvas() override;
 
 public: // KisMainWindowObserver
     void setViewManager(KisViewManager* kisview) override;
 
 private Q_SLOTS:
     void slotContextMenu(const QModelIndex &);
 
     void slotAddPalette();
     void slotRemovePalette(KoColorSet *);
     void slotImportPalette();
     void slotExportPalette(KoColorSet *);
 
     void slotAddColor();
     void slotRemoveColor();
     void slotEditEntry();
     void slotEditPalette();
 
     void slotPaletteIndexSelected(const QModelIndex &index);
     void slotPaletteIndexClicked(const QModelIndex &index);
     void slotPaletteIndexDoubleClicked(const QModelIndex &index);
     void slotNameListSelection(const KoColor &color);
     void slotSetColorSet(KoColorSet* colorSet);
 
     void saveToWorkspace(KisWorkspaceResource* workspace);
     void loadFromWorkspace(KisWorkspaceResource* workspace);
 
     void slotFGColorResourceChanged(const KoColor& color);
     void slotUpdatePaletteList(const QList<KoColorSet *> &oldPaletteList, const QList<KoColorSet *> &newPaletteList);
 
 private:
     void setEntryByForeground(const QModelIndex &index);
     void setFGColorByPalette(const KisSwatch &entry);
 
 private /* member variables */:
     QScopedPointer<Ui_WdgPaletteDock> m_ui;
     KisPaletteModel *m_model;
     KisPaletteListWidget *m_paletteChooser;
 
     QPointer<KisViewManager> m_view;
     KisCanvasResourceProvider *m_resourceProvider;
 
     KoResourceServer<KoColorSet> * const m_rServer;
 
     QPointer<KisDocument> m_activeDocument;
     QPointer<KoColorSet> m_currentColorSet;
     QScopedPointer<KisPaletteEditor> m_paletteEditor;
 
     QScopedPointer<QAction> m_actAdd;
     QScopedPointer<QAction> m_actRemove;
     QScopedPointer<QAction> m_actModify;
     QScopedPointer<QAction> m_actEditPalette;
     QMenu m_viewContextMenu;
 
     bool m_colorSelfUpdate;
+
+    KisSignalAutoConnectionsStore m_connections;
 };
 
 
 #endif