diff --git a/cmake/QtInternalTargets.cmake b/cmake/QtInternalTargets.cmake
index 6d3eddcb96..043d2ca496 100644
--- a/cmake/QtInternalTargets.cmake
+++ b/cmake/QtInternalTargets.cmake
@@ -161,6 +161,7 @@ qt_internal_add_global_definition(QT_NO_QEXCHANGE)
 qt_internal_add_global_definition(QT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
 qt_internal_add_global_definition(QT_EXPLICIT_QFILE_CONSTRUCTION_FROM_PATH)
 qt_internal_add_global_definition(QT_USE_QSTRINGBUILDER SCOPE PLUGIN TOOL MODULE)
+qt_internal_add_global_definition(QT_NO_FOREACH)
 
 if(WARNINGS_ARE_ERRORS)
     qt_internal_set_warnings_are_errors_flags(PlatformModuleInternal INTERFACE)
diff --git a/src/corelib/doc/snippets/code/doc_src_containers.cpp b/src/corelib/doc/snippets/code/doc_src_containers.cpp
index 5bcee95d32..b568462492 100644
--- a/src/corelib/doc/snippets/code/doc_src_containers.cpp
+++ b/src/corelib/doc/snippets/code/doc_src_containers.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 //! [0]
 class Employee
 {
diff --git a/src/corelib/doc/snippets/code/qlogging/qlogging.cpp b/src/corelib/doc/snippets/code/qlogging/qlogging.cpp
index a841829600..e61eb70df3 100644
--- a/src/corelib/doc/snippets/code/qlogging/qlogging.cpp
+++ b/src/corelib/doc/snippets/code/qlogging/qlogging.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QtGui>
 #include <QtDebug>
 #include <QQmlComponent>
diff --git a/src/corelib/doc/snippets/code/src_corelib_io_qstorageinfo.cpp b/src/corelib/doc/snippets/code/src_corelib_io_qstorageinfo.cpp
index d11368a83d..93029274b1 100644
--- a/src/corelib/doc/snippets/code/src_corelib_io_qstorageinfo.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_io_qstorageinfo.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2014 Ivan Komissarov
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 //! [0]
     QStorageInfo storage(qApp->applicationDirPath());
     if (storage.isValid() && storage.isReady()) {
diff --git a/src/corelib/doc/snippets/code/src_corelib_kernel_qcoreapplication.cpp b/src/corelib/doc/snippets/code/src_corelib_kernel_qcoreapplication.cpp
index 2a3a27e94b..b1198924c8 100644
--- a/src/corelib/doc/snippets/code/src_corelib_kernel_qcoreapplication.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_kernel_qcoreapplication.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 //! [0]
 QMouseEvent event(QEvent::MouseButtonPress, pos, 0, 0, 0);
 QApplication::sendEvent(mainWindow, &event);
diff --git a/src/corelib/doc/snippets/code/src_corelib_kernel_qmimedata.cpp b/src/corelib/doc/snippets/code/src_corelib_kernel_qmimedata.cpp
index 36cbdefa1c..c6a48c8827 100644
--- a/src/corelib/doc/snippets/code/src_corelib_kernel_qmimedata.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_kernel_qmimedata.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 //! [0]
 void MyWidget::dragEnterEvent(QDragEnterEvent *event)
 {
diff --git a/src/corelib/doc/snippets/code/src_corelib_kernel_qvariant.cpp b/src/corelib/doc/snippets/code/src_corelib_kernel_qvariant.cpp
index dcae4b6934..7f3f1ce7a0 100644
--- a/src/corelib/doc/snippets/code/src_corelib_kernel_qvariant.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_kernel_qvariant.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 //! [0]
 QDataStream out(...);
 QVariant v(123);                // The variant now contains an int
diff --git a/src/plugins/platforms/ios/CMakeLists.txt b/src/plugins/platforms/ios/CMakeLists.txt
index 1085d41aa8..1c99103a49 100644
--- a/src/plugins/platforms/ios/CMakeLists.txt
+++ b/src/plugins/platforms/ios/CMakeLists.txt
@@ -33,8 +33,6 @@ qt_internal_add_plugin(QIOSIntegrationPlugin
         qiosintegration.mm # undef QT_NO_FOREACH
         qiosplatformaccessibility.mm # undef QT_NO_FOREACH
         qiosscreen.mm # undef QT_NO_FOREACH
-    DEFINES
-        QT_NO_FOREACH
     LIBRARIES
         ${FWAudioToolbox}
         ${FWFoundation}
diff --git a/src/plugins/platforms/qnx/CMakeLists.txt b/src/plugins/platforms/qnx/CMakeLists.txt
index 7c8b8c33e0..9fb412d8a4 100644
--- a/src/plugins/platforms/qnx/CMakeLists.txt
+++ b/src/plugins/platforms/qnx/CMakeLists.txt
@@ -37,8 +37,6 @@ qt_internal_add_plugin(QQnxIntegrationPlugin
         qqnxscreen.cpp # undef QT_NO_FOREACH
         qqnxscreeneventhandler.cpp # undef QT_NO_FOREACH
         qqnxwindow.cpp # undef QT_NO_FOREACH
-    DEFINES
-        QT_NO_FOREACH
     LIBRARIES
         Qt::Core
         Qt::CorePrivate
diff --git a/src/plugins/platformthemes/gtk3/CMakeLists.txt b/src/plugins/platformthemes/gtk3/CMakeLists.txt
index c9e4de6124..becfcccd35 100644
--- a/src/plugins/platformthemes/gtk3/CMakeLists.txt
+++ b/src/plugins/platformthemes/gtk3/CMakeLists.txt
@@ -27,7 +27,6 @@ qt_internal_add_plugin(QGtk3ThemePlugin
         qgtk3dialoghelpers.cpp # undef QT_NO_FOREACH
     DEFINES
         GDK_VERSION_MIN_REQUIRED=GDK_VERSION_3_6
-        QT_NO_FOREACH
     LIBRARIES
         PkgConfig::GTK3
         Qt::Core
diff --git a/tests/auto/concurrent/qtconcurrentmedian/tst_qtconcurrentmedian.cpp b/tests/auto/concurrent/qtconcurrentmedian/tst_qtconcurrentmedian.cpp
index d02856b93f..ed166fd2dd 100644
--- a/tests/auto/concurrent/qtconcurrentmedian/tst_qtconcurrentmedian.cpp
+++ b/tests/auto/concurrent/qtconcurrentmedian/tst_qtconcurrentmedian.cpp
@@ -1,5 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qtconcurrentmedian.h>
 
 #include <QTest>
diff --git a/tests/auto/concurrent/qtconcurrentthreadengine/tst_qtconcurrentthreadengine.cpp b/tests/auto/concurrent/qtconcurrentthreadengine/tst_qtconcurrentthreadengine.cpp
index 51a2273f9d..f99b610566 100644
--- a/tests/auto/concurrent/qtconcurrentthreadengine/tst_qtconcurrentthreadengine.cpp
+++ b/tests/auto/concurrent/qtconcurrentthreadengine/tst_qtconcurrentthreadengine.cpp
@@ -1,5 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qtconcurrentthreadengine.h>
 #include <qexception.h>
 #include <QThread>
diff --git a/tests/auto/corelib/global/qglobal/CMakeLists.txt b/tests/auto/corelib/global/qglobal/CMakeLists.txt
index ec078c93d8..5a0877663b 100644
--- a/tests/auto/corelib/global/qglobal/CMakeLists.txt
+++ b/tests/auto/corelib/global/qglobal/CMakeLists.txt
@@ -15,6 +15,8 @@ qt_internal_add_test(tst_qglobal
     SOURCES
         qglobal.c
         tst_qglobal.cpp
+    NO_PCH_SOURCES
+        tst_qglobal.cpp # undef QT_NO_FOREACH
 )
 
 ## Scopes:
diff --git a/tests/auto/corelib/global/qglobal/tst_qglobal.cpp b/tests/auto/corelib/global/qglobal/tst_qglobal.cpp
index e175db24b1..48b5714086 100644
--- a/tests/auto/corelib/global/qglobal/tst_qglobal.cpp
+++ b/tests/auto/corelib/global/qglobal/tst_qglobal.cpp
@@ -2,6 +2,8 @@
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
 
+#undef QT_NO_FOREACH // this file tests Q_FOREACH!
+
 #include <QTest>
 
 #include <QPair>
diff --git a/tests/auto/corelib/io/qabstractfileengine/tst_qabstractfileengine.cpp b/tests/auto/corelib/io/qabstractfileengine/tst_qabstractfileengine.cpp
index b093644013..029ef37373 100644
--- a/tests/auto/corelib/io/qabstractfileengine/tst_qabstractfileengine.cpp
+++ b/tests/auto/corelib/io/qabstractfileengine/tst_qabstractfileengine.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QtCore/private/qabstractfileengine_p.h>
 #include <QtCore/private/qfsfileengine_p.h>
 
diff --git a/tests/auto/corelib/io/qdir/tst_qdir.cpp b/tests/auto/corelib/io/qdir/tst_qdir.cpp
index d7b0d2b1c1..ff3db64934 100644
--- a/tests/auto/corelib/io/qdir/tst_qdir.cpp
+++ b/tests/auto/corelib/io/qdir/tst_qdir.cpp
@@ -2,6 +2,8 @@
 // Copyright (C) 2017 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QTemporaryFile>
 #if QT_CONFIG(process)
diff --git a/tests/auto/corelib/io/qdiriterator/tst_qdiriterator.cpp b/tests/auto/corelib/io/qdiriterator/tst_qdiriterator.cpp
index 303c2c9dcf..57bbff529d 100644
--- a/tests/auto/corelib/io/qdiriterator/tst_qdiriterator.cpp
+++ b/tests/auto/corelib/io/qdiriterator/tst_qdiriterator.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 
diff --git a/tests/auto/corelib/io/qfile/tst_qfile.cpp b/tests/auto/corelib/io/qfile/tst_qfile.cpp
index 214b6354db..578ff7f89f 100644
--- a/tests/auto/corelib/io/qfile/tst_qfile.cpp
+++ b/tests/auto/corelib/io/qfile/tst_qfile.cpp
@@ -2,6 +2,8 @@
 // Copyright (C) 2021 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #define _CRT_SECURE_NO_WARNINGS 1
 
 #include <QTest>
diff --git a/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp b/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
index c9db19db22..97bada7668 100644
--- a/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
+++ b/tests/auto/corelib/io/qfileinfo/tst_qfileinfo.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QStandardPaths>
 #include <QScopeGuard>
diff --git a/tests/auto/corelib/io/qfileselector/tst_qfileselector.cpp b/tests/auto/corelib/io/qfileselector/tst_qfileselector.cpp
index a3623cdc0b..3c17b6eb57 100644
--- a/tests/auto/corelib/io/qfileselector/tst_qfileselector.cpp
+++ b/tests/auto/corelib/io/qfileselector/tst_qfileselector.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2013 BlackBerry Limited. All rights reserved.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <qplatformdefs.h>
 
diff --git a/tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp b/tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp
index 8438e904d1..057f37d1a9 100644
--- a/tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp
+++ b/tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp
@@ -1,5 +1,8 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 
 #include <QCoreApplication>
diff --git a/tests/auto/corelib/io/qlockfile/tst_qlockfile.cpp b/tests/auto/corelib/io/qlockfile/tst_qlockfile.cpp
index 1f26dc785f..8eefbf974e 100644
--- a/tests/auto/corelib/io/qlockfile/tst_qlockfile.cpp
+++ b/tests/auto/corelib/io/qlockfile/tst_qlockfile.cpp
@@ -2,6 +2,7 @@
 // Copyright (C) 2013 David Faure <faure+bluesystems@kde.org>
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <QtConcurrentRun>
diff --git a/tests/auto/corelib/io/qstandardpaths/tst_qstandardpaths.cpp b/tests/auto/corelib/io/qstandardpaths/tst_qstandardpaths.cpp
index 7cad434906..7cb269e983 100644
--- a/tests/auto/corelib/io/qstandardpaths/tst_qstandardpaths.cpp
+++ b/tests/auto/corelib/io/qstandardpaths/tst_qstandardpaths.cpp
@@ -2,6 +2,8 @@
 // Copyright (C) 2020 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qstandardpaths.h>
 #include <QTest>
 #include <QOperatingSystemVersion>
diff --git a/tests/auto/corelib/io/qstorageinfo/tst_qstorageinfo.cpp b/tests/auto/corelib/io/qstorageinfo/tst_qstorageinfo.cpp
index 9e280b8c46..20e2ad96ef 100644
--- a/tests/auto/corelib/io/qstorageinfo/tst_qstorageinfo.cpp
+++ b/tests/auto/corelib/io/qstorageinfo/tst_qstorageinfo.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2014 Ivan Komissarov <ABBAPOH@gmail.com>
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QStorageInfo>
 #include <QTemporaryFile>
diff --git a/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp b/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp
index 227c6260d3..bd371f1e0f 100644
--- a/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp
+++ b/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <QStandardPaths>
diff --git a/tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp b/tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp
index 556571b346..6f4c99cf21 100644
--- a/tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp
+++ b/tests/auto/corelib/io/qtemporaryfile/tst_qtemporaryfile.cpp
@@ -2,6 +2,8 @@
 // Copyright (C) 2017 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <qcoreapplication.h>
 #include <qstring.h>
diff --git a/tests/auto/corelib/kernel/qmimedata/tst_qmimedata.cpp b/tests/auto/corelib/kernel/qmimedata/tst_qmimedata.cpp
index 6bf00ff57e..2174638abd 100644
--- a/tests/auto/corelib/kernel/qmimedata/tst_qmimedata.cpp
+++ b/tests/auto/corelib/kernel/qmimedata/tst_qmimedata.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 
 #include <QMimeData>
diff --git a/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp b/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp
index d8ffe32b60..baae759dd1 100644
--- a/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp
+++ b/tests/auto/corelib/kernel/qvariant/tst_qvariant.cpp
@@ -3,6 +3,8 @@
 // Copyright (C) 2016 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qvariant.h>
 
 // don't assume <type_traits>
diff --git a/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp b/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
index d808849b5b..9a775937aa 100644
--- a/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
+++ b/tests/auto/corelib/mimetypes/qmimedatabase/tst_qmimedatabase.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "tst_qmimedatabase.h"
 #include <qmimedatabase.h>
 
diff --git a/tests/auto/corelib/thread/qfuture/tst_qfuture.cpp b/tests/auto/corelib/thread/qfuture/tst_qfuture.cpp
index e3ea818b01..128a9bd837 100644
--- a/tests/auto/corelib/thread/qfuture/tst_qfuture.cpp
+++ b/tests/auto/corelib/thread/qfuture/tst_qfuture.cpp
@@ -1,5 +1,8 @@
 // Copyright (C) 2020 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #define QFUTURE_TEST
 
 #include <QCoreApplication>
diff --git a/tests/auto/corelib/tools/collections/tst_collections.cpp b/tests/auto/corelib/tools/collections/tst_collections.cpp
index af7a7ec0df..8869395e1f 100644
--- a/tests/auto/corelib/tools/collections/tst_collections.cpp
+++ b/tests/auto/corelib/tools/collections/tst_collections.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file tests Q_FOREACH over containers (centralize in a tst_qforeach?)
 
 // test the container forwards
 #include <QtContainerFwd>
diff --git a/tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp b/tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp
index 987cee0349..a36d620baf 100644
--- a/tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp
+++ b/tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <QtCore/QString>
diff --git a/tests/auto/corelib/tools/qeasingcurve/tst_qeasingcurve.cpp b/tests/auto/corelib/tools/qeasingcurve/tst_qeasingcurve.cpp
index 4989de521f..5bcb30110f 100644
--- a/tests/auto/corelib/tools/qeasingcurve/tst_qeasingcurve.cpp
+++ b/tests/auto/corelib/tools/qeasingcurve/tst_qeasingcurve.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 
 #include <qeasingcurve.h>
diff --git a/tests/auto/corelib/tools/qfreelist/tst_qfreelist.cpp b/tests/auto/corelib/tools/qfreelist/tst_qfreelist.cpp
index 1b2cd610da..827d1e56fd 100644
--- a/tests/auto/corelib/tools/qfreelist/tst_qfreelist.cpp
+++ b/tests/auto/corelib/tools/qfreelist/tst_qfreelist.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QtCore/QCoreApplication>
 #include <QtCore/QElapsedTimer>
diff --git a/tests/auto/corelib/tools/qlist/tst_qlist.cpp b/tests/auto/corelib/tools/qlist/tst_qlist.cpp
index f52d4650d2..a761bca537 100644
--- a/tests/auto/corelib/tools/qlist/tst_qlist.cpp
+++ b/tests/auto/corelib/tools/qlist/tst_qlist.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QAtomicInt>
 #include <QThread>
diff --git a/tests/auto/dbus/qdbusmarshall/qdbusmarshall/CMakeLists.txt b/tests/auto/dbus/qdbusmarshall/qdbusmarshall/CMakeLists.txt
index daad23cdf5..806bdfc181 100644
--- a/tests/auto/dbus/qdbusmarshall/qdbusmarshall/CMakeLists.txt
+++ b/tests/auto/dbus/qdbusmarshall/qdbusmarshall/CMakeLists.txt
@@ -9,6 +9,8 @@ qt_internal_add_test(tst_qdbusmarshall
     OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/../"
     SOURCES
         ../tst_qdbusmarshall.cpp
+    NO_PCH_SOURCES
+        ../tst_qdbusmarshall.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::CorePrivate
         Qt::DBusPrivate
diff --git a/tests/auto/dbus/qdbusmarshall/tst_qdbusmarshall.cpp b/tests/auto/dbus/qdbusmarshall/tst_qdbusmarshall.cpp
index fc372c7c9c..20eff845c9 100644
--- a/tests/auto/dbus/qdbusmarshall/tst_qdbusmarshall.cpp
+++ b/tests/auto/dbus/qdbusmarshall/tst_qdbusmarshall.cpp
@@ -1,6 +1,9 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // Copyright (C) 2016 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QtCore/QtCore>
 #include <QTest>
 #include <QTestEventLoop>
diff --git a/tests/auto/dbus/qdbusxmlparser/tst_qdbusxmlparser.cpp b/tests/auto/dbus/qdbusxmlparser/tst_qdbusxmlparser.cpp
index 01f174c3e8..e41ac792c5 100644
--- a/tests/auto/dbus/qdbusxmlparser/tst_qdbusxmlparser.cpp
+++ b/tests/auto/dbus/qdbusxmlparser/tst_qdbusxmlparser.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QCoreApplication>
 #include <QDomDocument>
 #include <QMetaType>
diff --git a/tests/auto/gui/image/qimagereader/tst_qimagereader.cpp b/tests/auto/gui/image/qimagereader/tst_qimagereader.cpp
index 10f3a813c3..ff5e67ec29 100644
--- a/tests/auto/gui/image/qimagereader/tst_qimagereader.cpp
+++ b/tests/auto/gui/image/qimagereader/tst_qimagereader.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 
diff --git a/tests/auto/gui/kernel/qkeyevent/tst_qkeyevent.cpp b/tests/auto/gui/kernel/qkeyevent/tst_qkeyevent.cpp
index 4f2379fbb4..63c811f6cf 100644
--- a/tests/auto/gui/kernel/qkeyevent/tst_qkeyevent.cpp
+++ b/tests/auto/gui/kernel/qkeyevent/tst_qkeyevent.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2017 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 
 #include <QtCore/qcoreapplication.h>
diff --git a/tests/auto/gui/math3d/qquaternion/tst_qquaternion.cpp b/tests/auto/gui/math3d/qquaternion/tst_qquaternion.cpp
index 6be46b9ee2..6fb7f5d300 100644
--- a/tests/auto/gui/math3d/qquaternion/tst_qquaternion.cpp
+++ b/tests/auto/gui/math3d/qquaternion/tst_qquaternion.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QtCore/qmath.h>
 #include <QtGui/qquaternion.h>
diff --git a/tests/auto/gui/painting/qpainter/tst_qpainter.cpp b/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
index 92c3ea4a5a..1606afca82 100644
--- a/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
+++ b/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <qpainter.h>
diff --git a/tests/auto/gui/text/qcssparser/tst_qcssparser.cpp b/tests/auto/gui/text/qcssparser/tst_qcssparser.cpp
index bb6ed1db91..83bc18db66 100644
--- a/tests/auto/gui/text/qcssparser/tst_qcssparser.cpp
+++ b/tests/auto/gui/text/qcssparser/tst_qcssparser.cpp
@@ -1,5 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QtXml/QtXml>
 #include <QtGui/QFontInfo>
diff --git a/tests/auto/gui/text/qfont/tst_qfont.cpp b/tests/auto/gui/text/qfont/tst_qfont.cpp
index ff92af8169..b4880c1317 100644
--- a/tests/auto/gui/text/qfont/tst_qfont.cpp
+++ b/tests/auto/gui/text/qfont/tst_qfont.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QBuffer>
 #include <QtEndian>
diff --git a/tests/auto/gui/text/qglyphrun/tst_qglyphrun.cpp b/tests/auto/gui/text/qglyphrun/tst_qglyphrun.cpp
index 9bc9391989..fb2c2e28f6 100644
--- a/tests/auto/gui/text/qglyphrun/tst_qglyphrun.cpp
+++ b/tests/auto/gui/text/qglyphrun/tst_qglyphrun.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 
 #include <qglyphrun.h>
diff --git a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
index 51bb1a65db..bea2556e68 100644
--- a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
+++ b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 /*
     !!!!!! Warning !!!!!
diff --git a/tests/auto/network/access/qnetworkcookiejar/tst_qnetworkcookiejar.cpp b/tests/auto/network/access/qnetworkcookiejar/tst_qnetworkcookiejar.cpp
index ac07a0212a..4ffdd0577d 100644
--- a/tests/auto/network/access/qnetworkcookiejar/tst_qnetworkcookiejar.cpp
+++ b/tests/auto/network/access/qnetworkcookiejar/tst_qnetworkcookiejar.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <QtCore/QJsonArray>
diff --git a/tests/auto/network/access/qnetworkdiskcache/tst_qnetworkdiskcache.cpp b/tests/auto/network/access/qnetworkdiskcache/tst_qnetworkdiskcache.cpp
index 39199c91b5..f6edf61e73 100644
--- a/tests/auto/network/access/qnetworkdiskcache/tst_qnetworkdiskcache.cpp
+++ b/tests/auto/network/access/qnetworkdiskcache/tst_qnetworkdiskcache.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QtNetwork/QtNetwork>
 #include <QTest>
 #include <QTestEventLoop>
diff --git a/tests/auto/network/access/qnetworkreply/test/CMakeLists.txt b/tests/auto/network/access/qnetworkreply/test/CMakeLists.txt
index fa353b2769..c28268ab14 100644
--- a/tests/auto/network/access/qnetworkreply/test/CMakeLists.txt
+++ b/tests/auto/network/access/qnetworkreply/test/CMakeLists.txt
@@ -24,6 +24,8 @@ qt_internal_add_test(tst_qnetworkreply
         ../tst_qnetworkreply.cpp
         ../data/gzip.rcc.cpp
         ../data/zstandard.rcc.cpp
+    NO_PCH_SOURCES
+        ../tst_qnetworkreply.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::CorePrivate
         Qt::NetworkPrivate
diff --git a/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp b/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
index 14b104fdc8..5919642c61 100644
--- a/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
+++ b/tests/auto/network/access/qnetworkreply/tst_qnetworkreply.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QtNetwork/qtnetworkglobal.h>
 
 #include <QTest>
diff --git a/tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp b/tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp
index 89d9063f8e..27198d3e59 100644
--- a/tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp
+++ b/tests/auto/network/kernel/qdnslookup/tst_qdnslookup.cpp
@@ -2,6 +2,7 @@
 // Copyright (C) 2016 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <QSignalSpy>
diff --git a/tests/auto/network/kernel/qnetworkinterface/tst_qnetworkinterface.cpp b/tests/auto/network/kernel/qnetworkinterface/tst_qnetworkinterface.cpp
index db06b83940..e0436d2d99 100644
--- a/tests/auto/network/kernel/qnetworkinterface/tst_qnetworkinterface.cpp
+++ b/tests/auto/network/kernel/qnetworkinterface/tst_qnetworkinterface.cpp
@@ -2,6 +2,7 @@
 // Copyright (C) 2016 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <QtEndian>
diff --git a/tests/auto/network/kernel/qnetworkproxyfactory/tst_qnetworkproxyfactory.cpp b/tests/auto/network/kernel/qnetworkproxyfactory/tst_qnetworkproxyfactory.cpp
index 1350dee150..a9f195aa21 100644
--- a/tests/auto/network/kernel/qnetworkproxyfactory/tst_qnetworkproxyfactory.cpp
+++ b/tests/auto/network/kernel/qnetworkproxyfactory/tst_qnetworkproxyfactory.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QtTest/QTest>
 #include <QtTest/QTestEventLoop>
diff --git a/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp b/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp
index f42d0497fe..730d29ef81 100644
--- a/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp
+++ b/tests/auto/network/socket/qtcpserver/tst_qtcpserver.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qglobal.h>
 #if defined(_WIN32)
 #include <winsock2.h>
diff --git a/tests/auto/network/socket/qtcpsocket/tst_qtcpsocket.cpp b/tests/auto/network/socket/qtcpsocket/tst_qtcpsocket.cpp
index c1b89f9e56..6cca5611d1 100644
--- a/tests/auto/network/socket/qtcpsocket/tst_qtcpsocket.cpp
+++ b/tests/auto/network/socket/qtcpsocket/tst_qtcpsocket.cpp
@@ -2,6 +2,8 @@
 // Copyright (C) 2017 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qglobal.h>
 
 #if defined(_WIN32)
diff --git a/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp b/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
index 4380433899..c4095700ca 100644
--- a/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
+++ b/tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
@@ -2,6 +2,7 @@
 // Copyright (C) 2017 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <QSignalSpy>
diff --git a/tests/auto/network/ssl/qsslcertificate/tst_qsslcertificate.cpp b/tests/auto/network/ssl/qsslcertificate/tst_qsslcertificate.cpp
index 852825b5d9..748a50897b 100644
--- a/tests/auto/network/ssl/qsslcertificate/tst_qsslcertificate.cpp
+++ b/tests/auto/network/ssl/qsslcertificate/tst_qsslcertificate.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 
 #include <QtNetwork/qtnetworkglobal.h>
diff --git a/tests/auto/network/ssl/qsslellipticcurve/tst_qsslellipticcurve.cpp b/tests/auto/network/ssl/qsslellipticcurve/tst_qsslellipticcurve.cpp
index ab4b457333..31728b96ba 100644
--- a/tests/auto/network/ssl/qsslellipticcurve/tst_qsslellipticcurve.cpp
+++ b/tests/auto/network/ssl/qsslellipticcurve/tst_qsslellipticcurve.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2014 Governikus GmbH & Co. KG.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 
diff --git a/tests/auto/network/ssl/qsslkey/tst_qsslkey.cpp b/tests/auto/network/ssl/qsslkey/tst_qsslkey.cpp
index 12f29bf107..d8296ca267 100644
--- a/tests/auto/network/ssl/qsslkey/tst_qsslkey.cpp
+++ b/tests/auto/network/ssl/qsslkey/tst_qsslkey.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <qsslkey.h>
 #include <qsslsocket.h>
diff --git a/tests/auto/other/gestures/tst_gestures.cpp b/tests/auto/other/gestures/tst_gestures.cpp
index 4d87ee03df..42a61955b6 100644
--- a/tests/auto/other/gestures/tst_gestures.cpp
+++ b/tests/auto/other/gestures/tst_gestures.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QTest>
 #include <QtTest/qtesttouch.h>
diff --git a/tests/auto/other/macgui/CMakeLists.txt b/tests/auto/other/macgui/CMakeLists.txt
index 9fb51b40b6..afa3f0b8df 100644
--- a/tests/auto/other/macgui/CMakeLists.txt
+++ b/tests/auto/other/macgui/CMakeLists.txt
@@ -22,6 +22,8 @@ qt_internal_add_test(tst_macgui
     SOURCES
         guitest.cpp guitest.h
         tst_macgui.cpp
+    NO_PCH_SOURCES
+        guitest.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::CorePrivate
         Qt::WidgetsPrivate
diff --git a/tests/auto/other/macgui/guitest.cpp b/tests/auto/other/macgui/guitest.cpp
index 1f9ca0efcc..406ecfc8af 100644
--- a/tests/auto/other/macgui/guitest.cpp
+++ b/tests/auto/other/macgui/guitest.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include "guitest.h"
 #include <QDebug>
diff --git a/tests/auto/other/qaccessibility/tst_qaccessibility.cpp b/tests/auto/other/qaccessibility/tst_qaccessibility.cpp
index 2fe8e0e5bd..5cc7404e91 100644
--- a/tests/auto/other/qaccessibility/tst_qaccessibility.cpp
+++ b/tests/auto/other/qaccessibility/tst_qaccessibility.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QtCore/qglobal.h>
 #ifdef Q_OS_WIN
diff --git a/tests/auto/printsupport/kernel/qprintdevice/tst_qprintdevice.cpp b/tests/auto/printsupport/kernel/qprintdevice/tst_qprintdevice.cpp
index a496b5bfb9..2221f9d920 100644
--- a/tests/auto/printsupport/kernel/qprintdevice/tst_qprintdevice.cpp
+++ b/tests/auto/printsupport/kernel/qprintdevice/tst_qprintdevice.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2014 John Layt <jlayt@kde.org>
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QMimeType>
 
diff --git a/tests/auto/printsupport/kernel/qprinter/tst_qprinter.cpp b/tests/auto/printsupport/kernel/qprinter/tst_qprinter.cpp
index 6b058c88f4..1ddb302bd0 100644
--- a/tests/auto/printsupport/kernel/qprinter/tst_qprinter.cpp
+++ b/tests/auto/printsupport/kernel/qprinter/tst_qprinter.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 
 #include <qprinter.h>
diff --git a/tests/auto/testlib/qabstractitemmodeltester/CMakeLists.txt b/tests/auto/testlib/qabstractitemmodeltester/CMakeLists.txt
index 680fd3753f..20329a95f1 100644
--- a/tests/auto/testlib/qabstractitemmodeltester/CMakeLists.txt
+++ b/tests/auto/testlib/qabstractitemmodeltester/CMakeLists.txt
@@ -15,6 +15,8 @@ qt_internal_add_test(tst_qabstractitemmodeltester
     SOURCES
         ../../other/qabstractitemmodelutils/dynamictreemodel.cpp ../../other/qabstractitemmodelutils/dynamictreemodel.h
         tst_qabstractitemmodeltester.cpp
+    NO_PCH_SOURCES
+        tst_qabstractitemmodeltester.cpp # undef QT_NO_FOREACH
     INCLUDE_DIRECTORIES
         ../../other/qabstractitemmodelutils
     LIBRARIES
diff --git a/tests/auto/testlib/qabstractitemmodeltester/tst_qabstractitemmodeltester.cpp b/tests/auto/testlib/qabstractitemmodeltester/tst_qabstractitemmodeltester.cpp
index ad146c526d..614ebb081e 100644
--- a/tests/auto/testlib/qabstractitemmodeltester/tst_qabstractitemmodeltester.cpp
+++ b/tests/auto/testlib/qabstractitemmodeltester/tst_qabstractitemmodeltester.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QAbstractItemModelTester>
 #include <QtGui/QtGui>
diff --git a/tests/auto/testlib/selftests/CMakeLists.txt b/tests/auto/testlib/selftests/CMakeLists.txt
index d6fc5ddef3..79aefb3a10 100644
--- a/tests/auto/testlib/selftests/CMakeLists.txt
+++ b/tests/auto/testlib/selftests/CMakeLists.txt
@@ -27,6 +27,8 @@ qt_internal_add_test(tst_selftests
     SOURCES
         tst_selftests.cpp
         catch.cpp
+    NO_PCH_SOURCES
+        tst_selftests.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::TestPrivate
     TESTDATA ${qmake_expected_files_resource_files}
diff --git a/tests/auto/testlib/selftests/badxml/tst_badxml.cpp b/tests/auto/testlib/selftests/badxml/tst_badxml.cpp
index ec54f786d9..8a743bf702 100644
--- a/tests/auto/testlib/selftests/badxml/tst_badxml.cpp
+++ b/tests/auto/testlib/selftests/badxml/tst_badxml.cpp
@@ -1,6 +1,7 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
 
 #include <QtCore/QCoreApplication>
 #include <QtCore/QStringList>
diff --git a/tests/auto/testlib/selftests/tst_selftests.cpp b/tests/auto/testlib/selftests/tst_selftests.cpp
index 5ff1304ec2..e9bf64d3be 100644
--- a/tests/auto/testlib/selftests/tst_selftests.cpp
+++ b/tests/auto/testlib/selftests/tst_selftests.cpp
@@ -2,6 +2,8 @@
 // Copyright (C) 2016 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QtCore/QCoreApplication>
 
 QT_REQUIRE_CONFIG(process);
diff --git a/tests/auto/tools/moc/CMakeLists.txt b/tests/auto/tools/moc/CMakeLists.txt
index f2a5a1dbe8..755a68ba72 100644
--- a/tests/auto/tools/moc/CMakeLists.txt
+++ b/tests/auto/tools/moc/CMakeLists.txt
@@ -72,6 +72,8 @@ qt_internal_add_test(tst_moc
         cxx-attributes.h
         tst_moc.cpp
         ${comparison_relevant_moc_list}
+    NO_PCH_SOURCES
+        tst_moc.cpp # undef QT_NO_FOREACH
     INCLUDE_DIRECTORIES
         testproject
         testproject/include
diff --git a/tests/auto/tools/moc/tst_moc.cpp b/tests/auto/tools/moc/tst_moc.cpp
index 58bc00b055..470ae5b70a 100644
--- a/tests/auto/tools/moc/tst_moc.cpp
+++ b/tests/auto/tools/moc/tst_moc.cpp
@@ -2,6 +2,8 @@
 // Copyright (C) 2020 Olivier Goffart <ogoffart@woboq.com>
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QSignalSpy>
 #include <stdio.h>
diff --git a/tests/auto/tools/qmake/CMakeLists.txt b/tests/auto/tools/qmake/CMakeLists.txt
index 8fe0566baa..6d046e66e3 100644
--- a/tests/auto/tools/qmake/CMakeLists.txt
+++ b/tests/auto/tools/qmake/CMakeLists.txt
@@ -17,6 +17,8 @@ qt_internal_add_test(tst_qmake
     SOURCES
         testcompiler.cpp testcompiler.h
         tst_qmake.cpp
+    NO_PCH_SOURCES
+        testcompiler.cpp # undef QT_NO_FOREACH
     TESTDATA ${test_data}
 )
 
diff --git a/tests/auto/tools/qmake/testcompiler.cpp b/tests/auto/tools/qmake/testcompiler.cpp
index b092e23126..e5a99ee224 100644
--- a/tests/auto/tools/qmake/testcompiler.cpp
+++ b/tests/auto/tools/qmake/testcompiler.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "testcompiler.h"
 
 #include <QProcess>
diff --git a/tests/auto/tools/qmakelib/CMakeLists.txt b/tests/auto/tools/qmakelib/CMakeLists.txt
index 4c6a1e2a72..271c369cf0 100644
--- a/tests/auto/tools/qmakelib/CMakeLists.txt
+++ b/tests/auto/tools/qmakelib/CMakeLists.txt
@@ -24,6 +24,9 @@ qt_internal_add_test(tst_qmakelib
         evaltest.cpp
         parsertest.cpp
         tst_qmakelib.cpp tst_qmakelib.h
+    NO_PCH_SOURCES
+        evaltest.cpp # undef QT_NO_FOREACH
+        parsertest.cpp # undef QT_NO_FOREACH
     DEFINES
         PROEVALUATOR_FULL
         PROEVALUATOR_SETENV
diff --git a/tests/auto/tools/qmakelib/evaltest.cpp b/tests/auto/tools/qmakelib/evaltest.cpp
index 8e6d7eada2..94355efdd8 100644
--- a/tests/auto/tools/qmakelib/evaltest.cpp
+++ b/tests/auto/tools/qmakelib/evaltest.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "tst_qmakelib.h"
 
 #include <proitems.h>
diff --git a/tests/auto/tools/qmakelib/parsertest.cpp b/tests/auto/tools/qmakelib/parsertest.cpp
index 61746ddada..ec1ec5ccbb 100644
--- a/tests/auto/tools/qmakelib/parsertest.cpp
+++ b/tests/auto/tools/qmakelib/parsertest.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "tst_qmakelib.h"
 
 #include <proitems.h>
diff --git a/tests/baseline/painting/CMakeLists.txt b/tests/baseline/painting/CMakeLists.txt
index 1c2100b596..72e737d227 100644
--- a/tests/baseline/painting/CMakeLists.txt
+++ b/tests/baseline/painting/CMakeLists.txt
@@ -17,6 +17,8 @@ qt_internal_add_test(tst_baseline_painting
         ../shared/qbaselinetest.cpp ../shared/qbaselinetest.h
         ../shared/paintcommands.cpp ../shared/paintcommands.h
         tst_baseline_painting.cpp
+    NO_PCH_SOURCES
+        tst_baseline_painting.cpp # undef QT_NO_FOREACH
     INCLUDE_DIRECTORIES
         ../shared
     LIBRARIES
diff --git a/tests/baseline/painting/tst_baseline_painting.cpp b/tests/baseline/painting/tst_baseline_painting.cpp
index f9738b61e8..9e91f051e7 100644
--- a/tests/baseline/painting/tst_baseline_painting.cpp
+++ b/tests/baseline/painting/tst_baseline_painting.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "paintcommands.h"
 #include <qbaselinetest.h>
 #include <QDir>
diff --git a/tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp b/tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp
index 80dbc0f141..43ae52afeb 100644
--- a/tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp
+++ b/tests/benchmarks/corelib/io/qdir/10000/tst_bench_qdir_10000.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QTest>
 #include <QDirIterator>
 
diff --git a/tests/benchmarks/corelib/tools/qhash/CMakeLists.txt b/tests/benchmarks/corelib/tools/qhash/CMakeLists.txt
index 1958f86dd5..9002cc0723 100644
--- a/tests/benchmarks/corelib/tools/qhash/CMakeLists.txt
+++ b/tests/benchmarks/corelib/tools/qhash/CMakeLists.txt
@@ -9,6 +9,8 @@ qt_internal_add_benchmark(tst_bench_qhash
     SOURCES
         tst_bench_qhash.cpp
         outofline.cpp
+    NO_PCH_SOURCES
+        tst_bench_qhash.cpp # undef QT_NO_FOREACH
     INCLUDE_DIRECTORIES
         .
     LIBRARIES
diff --git a/tests/benchmarks/corelib/tools/qhash/tst_bench_qhash.cpp b/tests/benchmarks/corelib/tools/qhash/tst_bench_qhash.cpp
index fd0a74b52a..9d9703dc0c 100644
--- a/tests/benchmarks/corelib/tools/qhash/tst_bench_qhash.cpp
+++ b/tests/benchmarks/corelib/tools/qhash/tst_bench_qhash.cpp
@@ -2,6 +2,8 @@
 // Copyright (C) 2016 Intel Corporation.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "tst_bench_qhash.h"
 
 #include <QFile>
diff --git a/tests/benchmarks/corelib/tools/qrect/tst_bench_qrect.cpp b/tests/benchmarks/corelib/tools/qrect/tst_bench_qrect.cpp
index dbf4c2db6c..3f5f86b2cf 100644
--- a/tests/benchmarks/corelib/tools/qrect/tst_bench_qrect.cpp
+++ b/tests/benchmarks/corelib/tools/qrect/tst_bench_qrect.cpp
@@ -2,6 +2,8 @@
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 // This file contains benchmarks for QRect/QRectF functions.
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QDebug>
 #include <qtest.h>
 
diff --git a/tests/benchmarks/gui/painting/qpainter/tst_qpainter.cpp b/tests/benchmarks/gui/painting/qpainter/tst_qpainter.cpp
index cccf9c703c..b7056efcac 100644
--- a/tests/benchmarks/gui/painting/qpainter/tst_qpainter.cpp
+++ b/tests/benchmarks/gui/painting/qpainter/tst_qpainter.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qtest.h>
 #include <QPainter>
 #include <QPainterPath>
diff --git a/tests/benchmarks/gui/painting/qtbench/tst_qtbench.cpp b/tests/benchmarks/gui/painting/qtbench/tst_qtbench.cpp
index 9b2b730950..6fe8998eb5 100644
--- a/tests/benchmarks/gui/painting/qtbench/tst_qtbench.cpp
+++ b/tests/benchmarks/gui/painting/qtbench/tst_qtbench.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2020 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qtest.h>
 
 #include <QtCore/qmath.h>
diff --git a/tests/manual/cocoa/menurama/CMakeLists.txt b/tests/manual/cocoa/menurama/CMakeLists.txt
index 469bf9fbd2..3519fadcf9 100644
--- a/tests/manual/cocoa/menurama/CMakeLists.txt
+++ b/tests/manual/cocoa/menurama/CMakeLists.txt
@@ -11,6 +11,8 @@ qt_internal_add_manual_test(Menurama
         main.cpp
         mainwindow.cpp mainwindow.h mainwindow.ui
         menuramaapplication.cpp menuramaapplication.h
+    NO_PCH_SOURCES
+        menuramaapplication.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Gui
         Qt::Widgets
diff --git a/tests/manual/cocoa/menurama/menuramaapplication.cpp b/tests/manual/cocoa/menurama/menuramaapplication.cpp
index e3f7803aa7..e2911f9ca6 100644
--- a/tests/manual/cocoa/menurama/menuramaapplication.cpp
+++ b/tests/manual/cocoa/menurama/menuramaapplication.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2017 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "menuramaapplication.h"
 
 MenuramaApplication::MenuramaApplication(int &argc, char **argv)
diff --git a/tests/manual/dialogs/CMakeLists.txt b/tests/manual/dialogs/CMakeLists.txt
index b64043bf20..1900b68540 100644
--- a/tests/manual/dialogs/CMakeLists.txt
+++ b/tests/manual/dialogs/CMakeLists.txt
@@ -15,6 +15,9 @@ qt_internal_add_manual_test(dialogs
         messageboxpanel.cpp messageboxpanel.h
         utils.cpp utils.h
         wizardpanel.cpp wizardpanel.h
+    NO_PCH_SOURCES
+        filedialogpanel.cpp # undef QT_NO_FOREACH
+        utils.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Gui
         Qt::Widgets
@@ -31,6 +34,8 @@ qt_internal_extend_target(dialogs CONDITION TARGET Qt::PrintSupport
 qt_internal_extend_target(dialogs CONDITION NOT (QT_FEATURE_printer EQUAL FALSE)
     SOURCES
         printdialogpanel.cpp printdialogpanel.h printdialogpanel.ui
+    NO_PCH_SOURCES
+        printdialogpanel.cpp # undef QT_NO_FOREACH
     ENABLE_AUTOGEN_TOOLS
         uic
 )
diff --git a/tests/manual/dialogs/filedialogpanel.cpp b/tests/manual/dialogs/filedialogpanel.cpp
index f7e2cfa638..6f807d9280 100644
--- a/tests/manual/dialogs/filedialogpanel.cpp
+++ b/tests/manual/dialogs/filedialogpanel.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "filedialogpanel.h"
 #include "utils.h"
 
diff --git a/tests/manual/dialogs/printdialogpanel.cpp b/tests/manual/dialogs/printdialogpanel.cpp
index 6fe2eeab14..6395475399 100644
--- a/tests/manual/dialogs/printdialogpanel.cpp
+++ b/tests/manual/dialogs/printdialogpanel.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #ifndef QT_NO_PRINTER
 
 #include "printdialogpanel.h"
diff --git a/tests/manual/dialogs/utils.cpp b/tests/manual/dialogs/utils.cpp
index 9ac5f66a85..03e85d0191 100644
--- a/tests/manual/dialogs/utils.cpp
+++ b/tests/manual/dialogs/utils.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "utils.h"
 
 #include <QCheckBox>
diff --git a/tests/manual/embeddedintoforeignwindow/CMakeLists.txt b/tests/manual/embeddedintoforeignwindow/CMakeLists.txt
index ca41eed228..a80206133b 100644
--- a/tests/manual/embeddedintoforeignwindow/CMakeLists.txt
+++ b/tests/manual/embeddedintoforeignwindow/CMakeLists.txt
@@ -13,6 +13,8 @@ qt_internal_add_manual_test(embeddedintoforeignwindow
         ../diaglib/textdump.cpp ../diaglib/textdump.h
         itemwindow.cpp itemwindow.h
         main.cpp
+    NO_PCH_SOURCES
+        itemwindow.cpp # undef QT_NO_FOREACH
     DEFINES
         QT_DIAG_LIB
     INCLUDE_DIRECTORIES
diff --git a/tests/manual/embeddedintoforeignwindow/itemwindow.cpp b/tests/manual/embeddedintoforeignwindow/itemwindow.cpp
index 143cdea402..5e2880407b 100644
--- a/tests/manual/embeddedintoforeignwindow/itemwindow.cpp
+++ b/tests/manual/embeddedintoforeignwindow/itemwindow.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2017 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "itemwindow.h"
 
 #include <QtGui/QPainter>
diff --git a/tests/manual/gestures/scrollarea/CMakeLists.txt b/tests/manual/gestures/scrollarea/CMakeLists.txt
index 7ea3ed5b6b..02ea63d040 100644
--- a/tests/manual/gestures/scrollarea/CMakeLists.txt
+++ b/tests/manual/gestures/scrollarea/CMakeLists.txt
@@ -10,6 +10,8 @@ qt_internal_add_manual_test(scrollarea
     SOURCES
         main.cpp
         mousepangesturerecognizer.cpp mousepangesturerecognizer.h
+    NO_PCH_SOURCES
+        main.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Gui
         Qt::Widgets
diff --git a/tests/manual/gestures/scrollarea/main.cpp b/tests/manual/gestures/scrollarea/main.cpp
index e8764a5ded..0a149d4f05 100644
--- a/tests/manual/gestures/scrollarea/main.cpp
+++ b/tests/manual/gestures/scrollarea/main.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QApplication>
 #include <QSlider>
 #include <QScrollArea>
diff --git a/tests/manual/lance/CMakeLists.txt b/tests/manual/lance/CMakeLists.txt
index 9a4ebb88b2..41eb18b6c2 100644
--- a/tests/manual/lance/CMakeLists.txt
+++ b/tests/manual/lance/CMakeLists.txt
@@ -11,6 +11,8 @@ qt_internal_add_manual_test(lance
         interactivewidget.cpp interactivewidget.h
         main.cpp
         widgets.h
+    NO_PCH_SOURCES
+        interactivewidget.cpp # undef QT_NO_FOREACH
     INCLUDE_DIRECTORIES
         .
         ../../baseline/shared
diff --git a/tests/manual/lance/interactivewidget.cpp b/tests/manual/lance/interactivewidget.cpp
index cd2084978c..9b939882bf 100644
--- a/tests/manual/lance/interactivewidget.cpp
+++ b/tests/manual/lance/interactivewidget.cpp
@@ -1,5 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "interactivewidget.h"
 #include <QtWidgets>
 
diff --git a/tests/manual/qgraphicsitemgroup/CMakeLists.txt b/tests/manual/qgraphicsitemgroup/CMakeLists.txt
index 7a3cb00e8e..d6a158fac5 100644
--- a/tests/manual/qgraphicsitemgroup/CMakeLists.txt
+++ b/tests/manual/qgraphicsitemgroup/CMakeLists.txt
@@ -11,6 +11,8 @@ qt_internal_add_manual_test(qgraphicsitemgroup
         customitem.cpp customitem.h
         main.cpp
         widget.cpp widget.h widget.ui
+    NO_PCH_SOURCES
+        widget.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Gui
         Qt::Widgets
diff --git a/tests/manual/qgraphicsitemgroup/widget.cpp b/tests/manual/qgraphicsitemgroup/widget.cpp
index 2ef479201a..c455ad5fbd 100644
--- a/tests/manual/qgraphicsitemgroup/widget.cpp
+++ b/tests/manual/qgraphicsitemgroup/widget.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "widget.h"
 #include "ui_widget.h"
 #include <QGraphicsOpacityEffect>
diff --git a/tests/manual/qlocale/CMakeLists.txt b/tests/manual/qlocale/CMakeLists.txt
index a5f9ac4cf4..e749565129 100644
--- a/tests/manual/qlocale/CMakeLists.txt
+++ b/tests/manual/qlocale/CMakeLists.txt
@@ -17,6 +17,8 @@ qt_internal_add_manual_test(qlocale
         miscellaneous.cpp miscellaneous.h
         numberformats.cpp numberformats.h
         window.cpp window.h
+    NO_PCH_SOURCES
+        languages.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Gui
         Qt::Widgets
diff --git a/tests/manual/qlocale/languages.cpp b/tests/manual/qlocale/languages.cpp
index 75e4a0ee9f..360d5fe569 100644
--- a/tests/manual/qlocale/languages.cpp
+++ b/tests/manual/qlocale/languages.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2017 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "languages.h"
 
 #include <QLabel>
diff --git a/tests/manual/qmimedatabase/main.cpp b/tests/manual/qmimedatabase/main.cpp
index 7b2c6dddd6..bed0dee613 100644
--- a/tests/manual/qmimedatabase/main.cpp
+++ b/tests/manual/qmimedatabase/main.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QtCore/QMimeDatabase>
 #include <QtCore/QMimeType>
 #include <QtCore/QCoreApplication>
diff --git a/tests/manual/qnetworkaccessmanager/qget/CMakeLists.txt b/tests/manual/qnetworkaccessmanager/qget/CMakeLists.txt
index 62925f8229..e870ab2b62 100644
--- a/tests/manual/qnetworkaccessmanager/qget/CMakeLists.txt
+++ b/tests/manual/qnetworkaccessmanager/qget/CMakeLists.txt
@@ -10,6 +10,9 @@ qt_internal_add_manual_test(qget
         downloadmanager.cpp
         qget.cpp qget.h
         transferitem.cpp
+    NO_PCH_SOURCES
+        downloadmanager.cpp # undef QT_NO_FOREACH
+        qget.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Network
 )
diff --git a/tests/manual/qnetworkaccessmanager/qget/downloadmanager.cpp b/tests/manual/qnetworkaccessmanager/qget/downloadmanager.cpp
index 4a7e03eea8..48ada11e7a 100644
--- a/tests/manual/qnetworkaccessmanager/qget/downloadmanager.cpp
+++ b/tests/manual/qnetworkaccessmanager/qget/downloadmanager.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "qget.h"
 #include <QAuthenticator>
 #include <QCoreApplication>
diff --git a/tests/manual/qnetworkaccessmanager/qget/qget.cpp b/tests/manual/qnetworkaccessmanager/qget/qget.cpp
index d9874afec9..7e59b51638 100644
--- a/tests/manual/qnetworkaccessmanager/qget/qget.cpp
+++ b/tests/manual/qnetworkaccessmanager/qget/qget.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "qget.h"
 
 #include <QNetworkProxy>
diff --git a/tests/manual/qopenglwidget/openglwidget/CMakeLists.txt b/tests/manual/qopenglwidget/openglwidget/CMakeLists.txt
index ca04a82199..967feda558 100644
--- a/tests/manual/qopenglwidget/openglwidget/CMakeLists.txt
+++ b/tests/manual/qopenglwidget/openglwidget/CMakeLists.txt
@@ -10,6 +10,8 @@ qt_internal_add_manual_test(openglwidget
     SOURCES
         main.cpp
         openglwidget.cpp openglwidget.h
+    NO_PCH_SOURCES
+        main.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::CorePrivate
         Qt::Gui
diff --git a/tests/manual/qopenglwidget/openglwidget/main.cpp b/tests/manual/qopenglwidget/openglwidget/main.cpp
index 7ea5a4e7d7..1930e68bdd 100644
--- a/tests/manual/qopenglwidget/openglwidget/main.cpp
+++ b/tests/manual/qopenglwidget/openglwidget/main.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "openglwidget.h"
 #include <QApplication>
 #include <QPushButton>
diff --git a/tests/manual/qprintdevice_dump/main.cpp b/tests/manual/qprintdevice_dump/main.cpp
index b7c7ee2194..fb677285ee 100644
--- a/tests/manual/qprintdevice_dump/main.cpp
+++ b/tests/manual/qprintdevice_dump/main.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2014 John Layt <jlayt@kde.org>
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <qpa/qplatformprintplugin.h>
 #include <qpa/qplatformprintersupport.h>
 
diff --git a/tests/manual/qscreen/CMakeLists.txt b/tests/manual/qscreen/CMakeLists.txt
index 7880cf2b21..4149310df4 100644
--- a/tests/manual/qscreen/CMakeLists.txt
+++ b/tests/manual/qscreen/CMakeLists.txt
@@ -10,6 +10,8 @@ qt_internal_add_manual_test(qscreen
         main.cpp
         propertyfield.cpp propertyfield.h
         propertywatcher.cpp propertywatcher.h
+    NO_PCH_SOURCES
+        main.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Gui
         Qt::Widgets
diff --git a/tests/manual/qscreen/main.cpp b/tests/manual/qscreen/main.cpp
index f6c22e88a8..1335d7d6e6 100644
--- a/tests/manual/qscreen/main.cpp
+++ b/tests/manual/qscreen/main.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "propertywatcher.h"
 #include <QApplication>
 #include <QScreen>
diff --git a/tests/manual/textrendering/glyphshaping/main.cpp b/tests/manual/textrendering/glyphshaping/main.cpp
index b9f94d46b5..a31c98f840 100644
--- a/tests/manual/textrendering/glyphshaping/main.cpp
+++ b/tests/manual/textrendering/glyphshaping/main.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QApplication>
 #include <QDir>
 #include <QFile>
diff --git a/tests/manual/textrendering/textperformance/main.cpp b/tests/manual/textrendering/textperformance/main.cpp
index fa3a5122ce..094c314de4 100644
--- a/tests/manual/textrendering/textperformance/main.cpp
+++ b/tests/manual/textrendering/textperformance/main.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2020 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include <QApplication>
 #include <QDialog>
 #include <QFontDatabase>
diff --git a/tests/manual/wasm/clipboard/CMakeLists.txt b/tests/manual/wasm/clipboard/CMakeLists.txt
index 80e049097b..40fb8ca308 100644
--- a/tests/manual/wasm/clipboard/CMakeLists.txt
+++ b/tests/manual/wasm/clipboard/CMakeLists.txt
@@ -10,6 +10,8 @@ qt_internal_add_manual_test(clipboard
     SOURCES
         main.cpp
         mainwindow.cpp mainwindow.h mainwindow.ui
+    NO_PCH_SOURCES
+        main.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Core
         Qt::Gui
diff --git a/tests/manual/wasm/clipboard/mainwindow.cpp b/tests/manual/wasm/clipboard/mainwindow.cpp
index 77d6582775..96fb494cb3 100644
--- a/tests/manual/wasm/clipboard/mainwindow.cpp
+++ b/tests/manual/wasm/clipboard/mainwindow.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
 #include <QClipboard>
diff --git a/tests/manual/windowflags/CMakeLists.txt b/tests/manual/windowflags/CMakeLists.txt
index 3e34d4452f..27e4fd5ba6 100644
--- a/tests/manual/windowflags/CMakeLists.txt
+++ b/tests/manual/windowflags/CMakeLists.txt
@@ -12,6 +12,8 @@ qt_internal_add_manual_test(tst_manual_windowflags
         controls.cpp controls.h
         main.cpp
         previewwindow.cpp previewwindow.h
+    NO_PCH_SOURCES
+        controls.cpp # undef QT_NO_FOREACH
     LIBRARIES
         Qt::Gui
         Qt::Widgets
diff --git a/tests/manual/windowflags/controls.cpp b/tests/manual/windowflags/controls.cpp
index 43d8fac4c1..46ec27c1c6 100644
--- a/tests/manual/windowflags/controls.cpp
+++ b/tests/manual/windowflags/controls.cpp
@@ -1,6 +1,8 @@
 // Copyright (C) 2021 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
 
+#undef QT_NO_FOREACH // this file contains unported legacy Q_FOREACH uses
+
 #include "controls.h"
 
 #include <QGridLayout>