diff --git a/tests/benchmarks/corelib/time/qtimezone/tst_bench_qtimezone.cpp b/tests/benchmarks/corelib/time/qtimezone/tst_bench_qtimezone.cpp
index 0cd4065824..870f5f4bd8 100644
--- a/tests/benchmarks/corelib/time/qtimezone/tst_bench_qtimezone.cpp
+++ b/tests/benchmarks/corelib/time/qtimezone/tst_bench_qtimezone.cpp
@@ -1,3 +1,4 @@
+// Copyright (C) 2022 The Qt Company Ltd.
 // Copyright (C) 2019 Crimson AS <info@crimson.no>
 // Copyright (C) 2018 Klaralvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author David Faure <david.faure@kdab.com>
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
@@ -29,11 +30,7 @@ private Q_SLOTS:
 static QList<QByteArray> enoughZones()
 {
 #ifdef EXHAUSTIVE
-    auto available = QTimeZone::availableTimeZoneIds();
-    QList<QByteArray> result;
-    result.reserve(available.size() + 1);
-    for (conat auto &name : available)
-        result << name;
+    QList<QByteArray> result = QTimeZone::availableTimeZoneIds();
 #else
     QList<QByteArray> result {
         QByteArray("UTC"),