diff --git a/src/corelib/time/qtimezoneprivate.cpp b/src/corelib/time/qtimezoneprivate.cpp
index a5fc221b202..bf00c1c544d 100644
--- a/src/corelib/time/qtimezoneprivate.cpp
+++ b/src/corelib/time/qtimezoneprivate.cpp
@@ -130,11 +130,6 @@ QTimeZonePrivate::~QTimeZonePrivate()
 {
 }
 
-QTimeZonePrivate *QTimeZonePrivate::clone() const
-{
-    return new QTimeZonePrivate(*this);
-}
-
 bool QTimeZonePrivate::operator==(const QTimeZonePrivate &other) const
 {
     // TODO Too simple, but need to solve problem of comparing different derived classes
diff --git a/src/corelib/time/qtimezoneprivate_chrono.cpp b/src/corelib/time/qtimezoneprivate_chrono.cpp
index 94e1791b799..e317ab522ef 100644
--- a/src/corelib/time/qtimezoneprivate_chrono.cpp
+++ b/src/corelib/time/qtimezoneprivate_chrono.cpp
@@ -59,6 +59,11 @@ QChronoTimeZonePrivate::QChronoTimeZonePrivate(QByteArrayView id)
         m_id.assign(m_timeZone->name());
 }
 
+QChronoTimeZonePrivate *QChronoTimeZonePrivate::clone() const
+{
+    return new QChronoTimeZonePrivate(*this);
+}
+
 QChronoTimeZonePrivate::~QChronoTimeZonePrivate()
         = default;
 
diff --git a/src/corelib/time/qtimezoneprivate_p.h b/src/corelib/time/qtimezoneprivate_p.h
index b3a86e9cdbd..5fb6ccf5504 100644
--- a/src/corelib/time/qtimezoneprivate_p.h
+++ b/src/corelib/time/qtimezoneprivate_p.h
@@ -76,7 +76,7 @@ public:
     QTimeZonePrivate(const QTimeZonePrivate &other);
     virtual ~QTimeZonePrivate();
 
-    virtual QTimeZonePrivate *clone() const;
+    virtual QTimeZonePrivate *clone() const = 0;
 
     bool operator==(const QTimeZonePrivate &other) const;
     bool operator!=(const QTimeZonePrivate &other) const;
@@ -236,10 +236,12 @@ private:
 #if QT_CONFIG(timezone_tzdb)
 class QChronoTimeZonePrivate final : public QTimeZonePrivate
 {
+    QChronoTimeZonePrivate(const QChronoTimeZonePrivate &) = default;
 public:
     QChronoTimeZonePrivate();
     QChronoTimeZonePrivate(QByteArrayView id);
     ~QChronoTimeZonePrivate() override;
+    QChronoTimeZonePrivate *clone() const override;
 
     QByteArray systemTimeZoneId() const override;
 
@@ -259,7 +261,6 @@ public:
 
 private:
     const std::chrono::time_zone *const m_timeZone;
-    Q_DISABLE_COPY_MOVE(QChronoTimeZonePrivate)
 };
 #elif defined(Q_OS_DARWIN)
 class Q_AUTOTEST_EXPORT QMacTimeZonePrivate final : public QTimeZonePrivate