diff --git a/tools/triage/mainwindow.h b/tools/triage/mainwindow.h
index f1d089b29..1365c494d 100644
--- a/tools/triage/mainwindow.h
+++ b/tools/triage/mainwindow.h
@@ -13,7 +13,9 @@ class MainWindow : public QMainWindow {
 
 public:
     explicit MainWindow(QWidget *parent = 0);
+    MainWindow(const MainWindow &) = delete;
     ~MainWindow();
+    MainWindow &operator=(const MainWindow &) = delete;
 
 public slots:
     void loadFile();