diff --git a/src/corelib/time/qtimezoneprivate.cpp b/src/corelib/time/qtimezoneprivate.cpp
index 24330c3eebe..5e50ce6dbab 100644
--- a/src/corelib/time/qtimezoneprivate.cpp
+++ b/src/corelib/time/qtimezoneprivate.cpp
@@ -1012,11 +1012,6 @@ bool QUtcTimeZonePrivate::isDataLocale(const QLocale &locale) const
     return locale.language() == QLocale::C || locale.language() == QLocale::English;
 }
 
-void QUtcTimeZonePrivate::init(const QByteArray &zoneId)
-{
-    m_id = zoneId;
-}
-
 void QUtcTimeZonePrivate::init(const QByteArray &zoneId, int offsetSeconds, const QString &name,
                                const QString &abbreviation, QLocale::Territory territory,
                                const QString &comment)
diff --git a/src/corelib/time/qtimezoneprivate_p.h b/src/corelib/time/qtimezoneprivate_p.h
index 7034a7285c7..592a517e6d9 100644
--- a/src/corelib/time/qtimezoneprivate_p.h
+++ b/src/corelib/time/qtimezoneprivate_p.h
@@ -218,7 +218,6 @@ public:
     void serialize(QDataStream &ds) const override;
 
 private:
-    void init(const QByteArray &zoneId);
     void init(const QByteArray &zoneId, int offsetSeconds, const QString &name,
               const QString &abbreviation, QLocale::Territory territory,
               const QString &comment);