diff --git a/src/plugins/coreplugin/actionmanager/commandsfile.cpp b/src/plugins/coreplugin/actionmanager/commandsfile.cpp
index a13229d464f..665ff16074e 100644
--- a/src/plugins/coreplugin/actionmanager/commandsfile.cpp
+++ b/src/plugins/coreplugin/actionmanager/commandsfile.cpp
@@ -101,7 +101,7 @@ QMap<QString, QList<QKeySequence>> CommandsFile::importCommands() const
     while (!r.atEnd()) {
         switch (r.readNext()) {
         case QXmlStreamReader::StartElement: {
-            const QStringRef name = r.name();
+            const auto name = r.name();
             if (name == ctx.shortCutElement) {
                 currentId = r.attributes().value(ctx.idAttribute).toString();
                 if (!result.contains(currentId))
diff --git a/src/plugins/coreplugin/documentmanager.cpp b/src/plugins/coreplugin/documentmanager.cpp
index d66ff8453cb..e967e999c7f 100644
--- a/src/plugins/coreplugin/documentmanager.cpp
+++ b/src/plugins/coreplugin/documentmanager.cpp
@@ -825,14 +825,14 @@ QString DocumentManager::getSaveFileName(const QString &title, const QString &pa
                     const QRegularExpressionMatch match = matchIt.next();
                     QString caption = match.captured(1);
                     caption.remove(QLatin1Char('*'));
-                    const QVector<QStringRef> suffixes = caption.splitRef(QLatin1Char(' '));
-                    for (const QStringRef &suffix : suffixes)
+                    const QStringList suffixes = caption.split(QLatin1Char(' '));
+                    for (const QString &suffix : suffixes)
                         if (fileName.endsWith(suffix)) {
                             suffixOk = true;
                             break;
                         }
                     if (!suffixOk && !suffixes.isEmpty())
-                        fileName.append(suffixes.at(0).toString());
+                        fileName.append(suffixes.at(0));
                 }
             }
             if (QFile::exists(fileName)) {
diff --git a/src/plugins/coreplugin/externaltool.cpp b/src/plugins/coreplugin/externaltool.cpp
index ae8dae407c8..8994686cace 100644
--- a/src/plugins/coreplugin/externaltool.cpp
+++ b/src/plugins/coreplugin/externaltool.cpp
@@ -351,7 +351,7 @@ static void localizedText(const QStringList &locales, QXmlStreamReader *reader,
 
 static bool parseOutputAttribute(const QString &attribute, QXmlStreamReader *reader, ExternalTool::OutputHandling *value)
 {
-    const QStringRef output = reader->attributes().value(attribute);
+    const auto output = reader->attributes().value(attribute);
     if (output == kOutputShowInPane) {
         *value = ExternalTool::ShowInPane;
     } else if (output == kOutputReplaceSelection) {
@@ -405,7 +405,7 @@ ExternalTool * ExternalTool::createFromXml(const QByteArray &xml, QString *error
                     break;
             }
             if (reader.attributes().hasAttribute(kModifiesDocument)) {
-                const QStringRef value = reader.attributes().value(kModifiesDocument);
+                const auto value = reader.attributes().value(kModifiesDocument);
                 if (value == kYes || value == kTrue) {
                     tool->m_modifiesCurrentDocument = true;
                 } else if (value == kNo || value == kFalse) {