diff --git a/src/corelib/tools/qtimezoneprivate_mac.mm b/src/corelib/tools/qtimezoneprivate_mac.mm
index 3d95377850..49930490ff 100644
--- a/src/corelib/tools/qtimezoneprivate_mac.mm
+++ b/src/corelib/tools/qtimezoneprivate_mac.mm
@@ -272,7 +272,6 @@ QSet<QByteArray> QMacTimeZonePrivate::availableTimeZoneIds() const
         tzid = QCFString::toQString([enumerator nextObject]).toUtf8();
     }
 
-    [enumerator release];
     return set;
 }