2 files changed, 5 insertions, 6 deletions
diff --git a/src/forms/aboutdialog.cpp b/src/forms/aboutdialog.cpp
index 89cb23e..5b788bd 100644
--- a/src/forms/aboutdialog.cpp
+++ b/src/forms/aboutdialog.cpp
@@ -11,10 +11,6 @@
 #include "version.h"
 #include <boost/version.hpp>
 
-// The extra level of indirection will allow the preprocessor to expand the macros before they are converted to strings.
-#define STRINGIFY(x) #x
-#define STR(x) STRINGIFY(x)
-
 // compiler
 // clang also defines __GNUC__, so we need to check for clang first
 #if defined(__clang__)
@@ -32,7 +28,10 @@ AboutDialog::AboutDialog(QWidget *parent)
     setAttribute(Qt::WA_DeleteOnClose, true);
     ui->setupUi(this);
 
-    ui->icon->setPixmap(qApp->windowIcon().pixmap(72, 72));
+    // clang-tidy: don't use static_cast to downcast from a base to a derived class,
+    // use dynamic_cast instead
+    //ui->icon->setPixmap(qApp->windowIcon().pixmap(72, 72));
+    ui->icon->setPixmap(dynamic_cast<QApplication *>(QApplication::instance())->windowIcon().pixmap(72, 72));
 
     auto *aboutLabel = new QLabel(this);
     aboutLabel->setWordWrap(true);
diff --git a/src/forms/aboutdialog.h b/src/forms/aboutdialog.h
index 1a1b4eb..3175939 100644
--- a/src/forms/aboutdialog.h
+++ b/src/forms/aboutdialog.h
@@ -22,7 +22,7 @@ class AboutDialog : public QDialog
 
 public:
     explicit AboutDialog(QWidget *parent = nullptr);
-    ~AboutDialog();
+    ~AboutDialog() override;
 
 private:
     Ui::AboutDialog *ui;