diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,7 +40,7 @@
 include(ECMQtDeclareLoggingCategory)
 include(ECMAddTests)
 
-add_definitions(-DQT_NO_URL_CAST_FROM_STRING -DQT_NO_CAST_FROM_ASCII)
+add_definitions(-DQT_NO_URL_CAST_FROM_STRING -DQT_NO_CAST_FROM_ASCII -DQT_NO_FOREACH)
 
 find_package(
     Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED
diff --git a/src/ExportManager.cpp b/src/ExportManager.cpp
--- a/src/ExportManager.cpp
+++ b/src/ExportManager.cpp
@@ -472,7 +472,8 @@
     SpectacleConfig *config = SpectacleConfig::instance();
 
     // construct the supported mimetype list
-    Q_FOREACH (auto mimeType, QImageWriter::supportedMimeTypes()) {
+    const auto mimeTypes = QImageWriter::supportedMimeTypes();
+    for (auto mimeType : mimeTypes) {
         supportedFilters.append(QString::fromUtf8(mimeType).trimmed());
     }
 
diff --git a/src/Gui/ExportMenu.cpp b/src/Gui/ExportMenu.cpp
--- a/src/Gui/ExportMenu.cpp
+++ b/src/Gui/ExportMenu.cpp
@@ -80,7 +80,7 @@
 
     const KService::List services = KMimeTypeTrader::self()->query(QStringLiteral("image/png"));
 
-    Q_FOREACH (auto service, services) {
+    for (auto service : services) {
         QString name = service->name().replace(QLatin1Char('&'), QLatin1String("&&"));
         QAction *action = new QAction(QIcon::fromTheme(service->icon()), name, this);
 
@@ -132,7 +132,7 @@
 
     KIPI::PluginLoader::PluginList pluginList = loader->pluginList();
 
-    Q_FOREACH (const auto &pluginInfo, pluginList) {
+    for (const auto &pluginInfo : qAsConst(pluginList)) {
         if (!(pluginInfo->shouldLoad())) {
             continue;
         }
@@ -145,19 +145,19 @@
 
         plugin->setup(&mDummyWidget);
 
-        QList<QAction *> actions = plugin->actions();
+        const QList<QAction *> actions = plugin->actions();
         QSet<QAction *> exportActions;
 
-        Q_FOREACH (auto action, actions) {
+        for (auto action : actions) {
             KIPI::Category category = plugin->category(action);
             if (category == KIPI::ExportPlugin) {
                 exportActions += action;
             } else if (category == KIPI::ImagesPlugin && pluginInfo->library().contains(QStringLiteral("kipiplugin_sendimages"))) {
                 exportActions += action;
             }
         }
 
-        Q_FOREACH (auto action, exportActions) {
+        for (auto action : qAsConst(exportActions)) {
             mKipiMenu->addAction(action);
         }
     }
diff --git a/src/Gui/SettingsDialog/SaveOptionsPage.cpp b/src/Gui/SettingsDialog/SaveOptionsPage.cpp
--- a/src/Gui/SettingsDialog/SaveOptionsPage.cpp
+++ b/src/Gui/SettingsDialog/SaveOptionsPage.cpp
@@ -96,7 +96,8 @@
     connect(mSaveNameFormat, &QLineEdit::textEdited, this, &SaveOptionsPage::markDirty);
     connect(mSaveNameFormat, &QLineEdit::textEdited, this, [&](const QString &newText) {
         QString fmt;
-        Q_FOREACH(auto item, QImageWriter::supportedImageFormats()) {
+        const auto imageFormats = QImageWriter::supportedImageFormats();
+        for (auto item : imageFormats) {
             fmt = QString::fromLocal8Bit(item);
             if (newText.endsWith(QLatin1Char('.') + fmt, Qt::CaseInsensitive)) {
                 QString txtCopy = newText;
@@ -113,7 +114,8 @@
     mSaveImageFormat = new QComboBox;
     mSaveImageFormat->addItems([&](){
         QStringList items;
-        Q_FOREACH(auto fmt, QImageWriter::supportedImageFormats()) {
+        const auto formats = QImageWriter::supportedImageFormats();
+        for (auto fmt : formats) {
             items.append(QString::fromLocal8Bit(fmt).toUpper());
         }
         return items;
diff --git a/src/Gui/SettingsDialog/SettingsDialog.cpp b/src/Gui/SettingsDialog/SettingsDialog.cpp
--- a/src/Gui/SettingsDialog/SettingsDialog.cpp
+++ b/src/Gui/SettingsDialog/SettingsDialog.cpp
@@ -66,7 +66,7 @@
 
 void SettingsDialog::accept()
 {
-    Q_FOREACH(auto page, mPages) {
+    for (auto page : qAsConst(mPages)) {
         SettingsPage *pageWidget = dynamic_cast<SettingsPage *>(page->widget());
         if (pageWidget) {
             pageWidget->saveChanges();
diff --git a/src/KipiInterface/KSGKipiImageCollectionSelector.cpp b/src/KipiInterface/KSGKipiImageCollectionSelector.cpp
--- a/src/KipiInterface/KSGKipiImageCollectionSelector.cpp
+++ b/src/KipiInterface/KSGKipiImageCollectionSelector.cpp
@@ -27,7 +27,8 @@
       mInterface(interface),
       mListWidget(new QListWidget)
 {
-    Q_FOREACH (const auto &collection, interface->allAlbums()) {
+    const auto allAlbums = interface->allAlbums();
+    for (const auto &collection : allAlbums) {
         QListWidgetItem *item = new QListWidgetItem(mListWidget);
         QString name = collection.name();
         int imageCount = collection.images().size();
@@ -53,7 +54,8 @@
     QList<KIPI::ImageCollection> selectedList;
     if (item) {
         QString name = item->data(Qt::UserRole).toString();
-        Q_FOREACH (const auto &collection, mInterface->allAlbums()) {
+        const auto allAlbums = mInterface->allAlbums();
+        for (const auto &collection : allAlbums) {
             if (collection.name() == name) {
                 selectedList.append(collection);
                 break;