diff --git a/YACReader/main_window_viewer.cpp b/YACReader/main_window_viewer.cpp
index afd6b100..27177daf 100644
--- a/YACReader/main_window_viewer.cpp
+++ b/YACReader/main_window_viewer.cpp
@@ -1046,36 +1046,6 @@ void MainWindowViewer::disableActions()
     showFlowAction->setDisabled(true);
 }
 
-void MainWindowViewer::keyPressEvent(QKeyEvent *event)
-{
-    // TODO remove unused keys
-    int _key = event->key();
-    Qt::KeyboardModifiers modifiers = event->modifiers();
-
-    if (modifiers & Qt::ShiftModifier)
-        _key |= Qt::SHIFT;
-    if (modifiers & Qt::ControlModifier)
-        _key |= Qt::CTRL;
-    if (modifiers & Qt::MetaModifier)
-        _key |= Qt::META;
-    if (modifiers & Qt::AltModifier)
-        _key |= Qt::ALT;
-
-    QKeySequence key(_key);
-
-    if (key == ShortcutsManager::getShortcutsManager().getShortcut(TOGGLE_FULL_SCREEN_ACTION_Y)) {
-        toggleFullScreen();
-        event->accept();
-    } else if (key == ShortcutsManager::getShortcutsManager().getShortcut(TOGGLE_TOOL_BARS_ACTION_Y)) {
-        toggleToolBars();
-        event->accept();
-    } else if (key == ShortcutsManager::getShortcutsManager().getShortcut(CHANGE_FIT_ACTION_Y)) {
-        toggleWidthHeight();
-        event->accept();
-    } else
-        QWidget::keyPressEvent(event);
-}
-
 void MainWindowViewer::mouseDoubleClickEvent(QMouseEvent *event)
 {
     if (event->button() == Qt::LeftButton) {
@@ -1269,14 +1239,17 @@ void MainWindowViewer::setUpShortcutsManagement()
 
     allActions << tmpList;
 
-    // keys without actions (General)
     QAction *toggleFullScreenAction = new QAction(tr("Toggle fullscreen mode"), orphanActions);
     toggleFullScreenAction->setData(TOGGLE_FULL_SCREEN_ACTION_Y);
     toggleFullScreenAction->setShortcut(ShortcutsManager::getShortcutsManager().getShortcut(TOGGLE_FULL_SCREEN_ACTION_Y));
+    addAction(toggleFullScreenAction);
+    connect(toggleFullScreenAction, &QAction::triggered, this, &MainWindowViewer::toggleFullScreen);
 
     QAction *toggleToolbarsAction = new QAction(tr("Hide/show toolbar"), orphanActions);
     toggleToolbarsAction->setData(TOGGLE_TOOL_BARS_ACTION_Y);
     toggleToolbarsAction->setShortcut(ShortcutsManager::getShortcutsManager().getShortcut(TOGGLE_TOOL_BARS_ACTION_Y));
+    addAction(toggleToolbarsAction);
+    connect(toggleToolbarsAction, &QAction::triggered, this, &MainWindowViewer::toggleToolBars);
 
     editShortcutsDialog->addActionsGroup(tr("General"), QIcon(":/images/shortcuts_group_general.png"),
                                          tmpList = QList<QAction *>()
@@ -1324,10 +1297,11 @@ void MainWindowViewer::setUpShortcutsManagement()
 
     allActions << tmpList;
 
-    // keys without actions
     auto toggleFitToScreenAction = new QAction(tr("Toggle between fit to width and fit to height"), orphanActions);
     toggleFitToScreenAction->setData(CHANGE_FIT_ACTION_Y);
     toggleFitToScreenAction->setShortcut(ShortcutsManager::getShortcutsManager().getShortcut(CHANGE_FIT_ACTION_Y));
+    addAction(toggleFitToScreenAction);
+    connect(toggleFitToScreenAction, &QAction::triggered, this, &MainWindowViewer::toggleWidthHeight);
 
     editShortcutsDialog->addActionsGroup(tr("Page adjustement"), QIcon(":/images/shortcuts_group_page.png"),
                                          tmpList = QList<QAction *>()
diff --git a/YACReader/main_window_viewer.h b/YACReader/main_window_viewer.h
index 2c83c054..2608080b 100644
--- a/YACReader/main_window_viewer.h
+++ b/YACReader/main_window_viewer.h
@@ -4,7 +4,6 @@
 #include <QScrollArea>
 #include <QToolBar>
 #include <QAction>
-#include <QKeyEvent>
 #include <QMouseEvent>
 #include <QCloseEvent>
 #include <QSettings>
@@ -165,7 +164,6 @@ private:
     void getSiblingComics(QString path, QString currentComic);
 
     //! Manejadores de evento:
-    void keyPressEvent(QKeyEvent *event) override;
     // void resizeEvent(QResizeEvent * event);
     void mouseDoubleClickEvent(QMouseEvent *event) override;
     void dropEvent(QDropEvent *event) override;