diff --git a/src/corelib/text/qlocale_p.h b/src/corelib/text/qlocale_p.h
index ee0a28e94ec..ee333e9c8fc 100644
--- a/src/corelib/text/qlocale_p.h
+++ b/src/corelib/text/qlocale_p.h
@@ -105,6 +105,7 @@ struct QLocaleData;
 // Subclassed by Android platform plugin:
 class Q_CORE_EXPORT QSystemLocale
 {
+    Q_DISABLE_COPY_MOVE(QSystemLocale)
     QSystemLocale *next = nullptr; // Maintains a stack.
 
 public:
diff --git a/src/plugins/platforms/android/qandroidsystemlocale.h b/src/plugins/platforms/android/qandroidsystemlocale.h
index 48e1d94a569..b4a4070bd59 100644
--- a/src/plugins/platforms/android/qandroidsystemlocale.h
+++ b/src/plugins/platforms/android/qandroidsystemlocale.h
@@ -11,6 +11,7 @@ QT_BEGIN_NAMESPACE
 
 class QAndroidSystemLocale : public QSystemLocale
 {
+    Q_DISABLE_COPY_MOVE(QAndroidSystemLocale)
 public:
     QAndroidSystemLocale();
 
diff --git a/tests/auto/corelib/text/qlocale/tst_qlocale.cpp b/tests/auto/corelib/text/qlocale/tst_qlocale.cpp
index bde19a6fca1..bfbdfc9bc59 100644
--- a/tests/auto/corelib/text/qlocale/tst_qlocale.cpp
+++ b/tests/auto/corelib/text/qlocale/tst_qlocale.cpp
@@ -3966,6 +3966,7 @@ void tst_QLocale::bcp47Name()
 #  ifdef QT_BUILD_INTERNAL
 class MySystemLocale : public QSystemLocale
 {
+    Q_DISABLE_COPY_MOVE(MySystemLocale)
 public:
     MySystemLocale(const QString &locale)
     : m_name(locale), m_id(QLocaleId::fromName(locale)), m_locale(locale)