diff --git a/libs/application/edockwidget.cpp b/libs/application/edockwidget.cpp
index 3a5cc68..f0622c2 100644
--- a/libs/application/edockwidget.cpp
+++ b/libs/application/edockwidget.cpp
@@ -18,13 +18,13 @@ EDockWidget::EDockWidget(QWidget * parent, Qt::WindowFlags flags): QDockWidget(p
 
 
 EDockWidget::~EDockWidget() {
-	delete btn_hide;
-	delete btn_dock;
-	delete btn_maximize;
-	delete lbl_title;
-	delete lbl_icon;
-	delete header;
-	delete empty_header;
+	btn_hide->deleteLater();
+	btn_dock->deleteLater();
+	btn_maximize->deleteLater();
+	lbl_title->deleteLater();
+	lbl_icon->deleteLater();
+	header->deleteLater();
+	empty_header->deleteLater();
 }
 
 
diff --git a/libs/application/edockwidget.h b/libs/application/edockwidget.h
index 6d4ae87..123c0d9 100644
--- a/libs/application/edockwidget.h
+++ b/libs/application/edockwidget.h
@@ -52,10 +52,10 @@ private:
 	void init();
 	void updateStyle();
 
-	QFrame * header;
-	QWidget * empty_header;
-	QLabel *lbl_title, *lbl_icon;
-	QToolButton *btn_hide, *btn_dock, *btn_maximize;
+	QFrame * header        = nullptr;
+	QWidget * empty_header = nullptr;
+	QLabel *lbl_title = nullptr, *lbl_icon = nullptr;
+	QToolButton *btn_hide = nullptr, *btn_dock = nullptr, *btn_maximize = nullptr;
 
 private slots:
 	void dockClicked();