diff --git a/src/plugins/qtsupport/baseqtversion.cpp b/src/plugins/qtsupport/baseqtversion.cpp
index 93ac024fc89..8a53934c836 100644
--- a/src/plugins/qtsupport/baseqtversion.cpp
+++ b/src/plugins/qtsupport/baseqtversion.cpp
@@ -875,7 +875,7 @@ QString QtVersion::toHtml(bool verbose) const
             const QHash<ProKey, ProString> vInfo = d->versionInfo();
             if (!vInfo.isEmpty()) {
                 const QList<ProKey> keys = Utils::sorted(vInfo.keys());
-                foreach (const ProKey &key, keys) {
+                for (const ProKey &key : keys) {
                     const QString &value = vInfo.value(key).toQString();
                     QString variableName = key.toQString();
                     if (variableName != "QMAKE_MKSPECS"
@@ -2281,7 +2281,7 @@ QtVersion *QtVersionFactory::createQtVersionFromQMakePath
     setup.platforms = evaluator.values("QMAKE_PLATFORM"); // It's a list in general.
     setup.isQnx = !evaluator.value("QNX_CPUDIR").isEmpty();
 
-    foreach (QtVersionFactory *factory, factories) {
+    for (QtVersionFactory *factory : factories) {
         if (!factory->m_restrictionChecker || factory->m_restrictionChecker(setup)) {
             QtVersion *ver = factory->create();
             QTC_ASSERT(ver, continue);
diff --git a/src/plugins/qtsupport/exampleslistmodel.cpp b/src/plugins/qtsupport/exampleslistmodel.cpp
index 1eba8d25986..11f99be8f13 100644
--- a/src/plugins/qtsupport/exampleslistmodel.cpp
+++ b/src/plugins/qtsupport/exampleslistmodel.cpp
@@ -126,7 +126,7 @@ void ExampleSetModel::recreateModel(const QtVersions &qtVersions)
         extraManifestDirs.insert(set.manifestPath);
     }
 
-    foreach (QtVersion *version, qtVersions) {
+    for (QtVersion *version : qtVersions) {
         // sanitize away qt versions that have already been added through extra sets
         if (extraManifestDirs.contains(version->docsPath().toString())) {
             if (debugExamples()) {
@@ -446,13 +446,13 @@ void ExamplesListModel::updateExamples()
     QString examplesInstallPath;
     QString demosInstallPath;
 
-    QStringList sources = m_exampleSetModel.exampleSources(&examplesInstallPath, &demosInstallPath);
-
+    const QStringList sources = m_exampleSetModel.exampleSources(&examplesInstallPath,
+                                                                 &demosInstallPath);
     beginResetModel();
     qDeleteAll(m_items);
     m_items.clear();
 
-    foreach (const QString &exampleSource, sources) {
+    for (const QString &exampleSource : sources) {
         QFile exampleFile(exampleSource);
         if (!exampleFile.open(QIODevice::ReadOnly)) {
             if (debugExamples())
@@ -604,8 +604,9 @@ QStringList ExampleSetModel::exampleSources(QString *examplesInstallPath, QStrin
         examplesPath = exampleSet.examplesPath;
         demosPath = exampleSet.examplesPath;
     } else if (currentType == ExampleSetModel::QtExampleSet) {
-        int qtId = getQtId(m_selectedExampleSetIndex);
-        foreach (QtVersion *version, QtVersionManager::versions()) {
+        const int qtId = getQtId(m_selectedExampleSetIndex);
+        const QtVersions versions = QtVersionManager::versions();
+        for (QtVersion *version : versions) {
             if (version->uniqueId() == qtId) {
                 manifestScanPath = version->docsPath().toString();
                 examplesPath = version->examplesPath().toString();
@@ -620,11 +621,12 @@ QStringList ExampleSetModel::exampleSources(QString *examplesInstallPath, QStrin
         const QStringList examplesPattern(QLatin1String("examples-manifest.xml"));
         const QStringList demosPattern(QLatin1String("demos-manifest.xml"));
         QFileInfoList fis;
-        foreach (QFileInfo subDir, dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot)) {
+        const QFileInfoList subDirs = dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot);
+        for (QFileInfo subDir : subDirs) {
             fis << QDir(subDir.absoluteFilePath()).entryInfoList(examplesPattern);
             fis << QDir(subDir.absoluteFilePath()).entryInfoList(demosPattern);
         }
-        foreach (const QFileInfo &fi, fis)
+        for (const QFileInfo &fi : std::as_const(fis))
             sources.append(fi.filePath());
     }
     if (examplesInstallPath)
diff --git a/src/plugins/qtsupport/qtoptionspage.cpp b/src/plugins/qtsupport/qtoptionspage.cpp
index f1cbc250b3b..0ac3ab8fbda 100644
--- a/src/plugins/qtsupport/qtoptionspage.cpp
+++ b/src/plugins/qtsupport/qtoptionspage.cpp
@@ -414,7 +414,6 @@ void QtOptionsPageWidget::cleanUpQtVersions()
     if (toRemove.isEmpty())
         return;
 
-
     if (QMessageBox::warning(nullptr, Tr::tr("Remove Invalid Qt Versions"),
                              Tr::tr("Do you want to remove all invalid Qt Versions?<br>"
                                     "<ul><li>%1</li></ul><br>"
@@ -422,7 +421,7 @@ void QtOptionsPageWidget::cleanUpQtVersions()
                              QMessageBox::Yes, QMessageBox::No) == QMessageBox::No)
         return;
 
-    foreach (QtVersionItem *item, toRemove)
+    for (QtVersionItem *item : std::as_const(toRemove))
         m_model->destroyItem(item);
 
     updateCleanUpButton();
@@ -531,8 +530,10 @@ QList<ToolChain*> QtOptionsPageWidget::toolChains(const QtVersion *version)
         return toolChains;
 
     QSet<QByteArray> ids;
-    foreach (const Abi &a, version->qtAbis()) {
-        foreach (ToolChain *tc, ToolChainManager::findToolChains(a)) {
+    const Abis abis = version->qtAbis();
+    for (const Abi &a : abis) {
+        const Toolchains tcList = ToolChainManager::findToolChains(a);
+        for (ToolChain *tc : tcList) {
             if (ids.contains(tc->id()))
                 continue;
             ids.insert(tc->id());
@@ -591,11 +592,11 @@ void QtOptionsPageWidget::updateQtVersions(const QList<int> &additions, const QL
     });
 
     // Remove changed/removed items:
-    foreach (QtVersionItem *item, toRemove)
+    for (QtVersionItem *item : std::as_const(toRemove))
         m_model->destroyItem(item);
 
     // Add changed/added items:
-    foreach (int a, toAdd) {
+    for (int a : std::as_const(toAdd)) {
         QtVersion *version = QtVersionManager::version(a)->clone();
         auto *item = new QtVersionItem(version);
 
diff --git a/src/plugins/qtsupport/qtprojectimporter.cpp b/src/plugins/qtsupport/qtprojectimporter.cpp
index 6cf04265f73..343930ed4a5 100644
--- a/src/plugins/qtsupport/qtprojectimporter.cpp
+++ b/src/plugins/qtsupport/qtprojectimporter.cpp
@@ -613,7 +613,7 @@ void QtSupportPlugin::testQtProjectImporter_oneProject()
 
     qDeleteAll(testData);
 
-    foreach (Kit *k, toUnregisterLater)
+    for (Kit *k : std::as_const(toUnregisterLater))
         KitManager::deregisterKit(k);
 
     // Delete kit templates: