diff --git a/src/core/MacPasteboard.h b/src/core/MacPasteboard.h
index 15e99616c..8461cbc5d 100644
--- a/src/core/MacPasteboard.h
+++ b/src/core/MacPasteboard.h
@@ -26,12 +26,12 @@ class MacPasteboard : public QMacPasteboardMime
 public:
     explicit MacPasteboard() : QMacPasteboardMime(MIME_ALL) {}
 
-    QString convertorName();
-    bool canConvert(const QString &mime, QString flav);
-    QString mimeFor(QString flav);
-    QString flavorFor(const QString &mime);
-    QVariant convertToMime(const QString &mime, QList<QByteArray> data, QString flav);
-    QList<QByteArray> convertFromMime(const QString &mime, QVariant data, QString flav);
+    QString convertorName() override;
+    bool canConvert(const QString &mime, QString flav) override;
+    QString mimeFor(QString flav) override;
+    QString flavorFor(const QString &mime) override;
+    QVariant convertToMime(const QString &mime, QList<QByteArray> data, QString flav) override;
+    QList<QByteArray> convertFromMime(const QString &mime, QVariant data, QString flav) override;
 };
 
 #endif // KEEPASSXC_MACPASTEBOARD_H
diff --git a/src/gui/Clipboard.cpp b/src/gui/Clipboard.cpp
index a62385728..a35f59b19 100644
--- a/src/gui/Clipboard.cpp
+++ b/src/gui/Clipboard.cpp
@@ -22,9 +22,6 @@
 #include <QTimer>
 
 #include "core/Config.h"
-#ifdef Q_OS_MAC
-#include "core/MacPasteboard.h"
-#endif
 
 Clipboard* Clipboard::m_instance(nullptr);
 
@@ -33,16 +30,28 @@ Clipboard::Clipboard(QObject* parent)
     , m_timer(new QTimer(this))
 {
     m_timer->setSingleShot(true);
+#ifdef Q_OS_MAC
+    m_pasteboard = new MacPasteboard;
+#endif
+
     connect(m_timer, SIGNAL(timeout()), SLOT(clearClipboard()));
     connect(qApp, SIGNAL(aboutToQuit()), SLOT(clearCopiedText()));
 }
 
+Clipboard::~Clipboard()
+{
+#ifdef Q_OS_MAC
+    if (m_pasteboard) {
+        delete m_pasteboard;
+    }
+#endif
+}
+
 void Clipboard::setText(const QString& text)
 {
     QClipboard* clipboard = QApplication::clipboard();
 
 #ifdef Q_OS_MAC
-    new MacPasteboard;
     QMimeData* mime = new QMimeData;
     mime->setText(text);
     mime->setData("application/x-nspasteboard-concealed-type", text.toUtf8());
diff --git a/src/gui/Clipboard.h b/src/gui/Clipboard.h
index e0a16d26d..68f4e0485 100644
--- a/src/gui/Clipboard.h
+++ b/src/gui/Clipboard.h
@@ -19,6 +19,9 @@
 #define KEEPASSX_CLIPBOARD_H
 
 #include <QObject>
+#ifdef Q_OS_MAC
+#include "core/MacPasteboard.h"
+#endif
 
 class QTimer;
 
@@ -28,6 +31,7 @@ class Clipboard : public QObject
 
 public:
     void setText(const QString& text);
+    ~Clipboard();
 
     static Clipboard* instance();
 
@@ -43,6 +47,9 @@ private:
     static Clipboard* m_instance;
 
     QTimer* m_timer;
+#ifdef Q_OS_MAC
+    MacPasteboard* m_pasteboard;
+#endif
     QString m_lastCopied;
 };