diff --git a/src/widgets/dialogs/qfiledialog.cpp b/src/widgets/dialogs/qfiledialog.cpp
index be08271f9a..8b7a83047a 100644
--- a/src/widgets/dialogs/qfiledialog.cpp
+++ b/src/widgets/dialogs/qfiledialog.cpp
@@ -1319,9 +1319,9 @@ QStringList qt_make_filter_list(const QString &filter)
     if (filter.isEmpty())
         return QStringList();
 
-    QString sep(";;"_L1);
+    auto sep = ";;"_L1;
     if (!filter.contains(sep) && filter.contains(u'\n'))
-        sep = u'\n';
+        sep = "\n"_L1;
 
     return filter.split(sep);
 }
diff --git a/src/widgets/dialogs/qwizard.cpp b/src/widgets/dialogs/qwizard.cpp
index 5b95b62772..6de0530c51 100644
--- a/src/widgets/dialogs/qwizard.cpp
+++ b/src/widgets/dialogs/qwizard.cpp
@@ -1331,11 +1331,11 @@ static QString object_name_for_button(QWizard::WizardButton which)
 {
     switch (which) {
     case QWizard::CommitButton:
-        return "qt_wizard_commit"_L1;
+        return u"qt_wizard_commit"_s;
     case QWizard::FinishButton:
-        return "qt_wizard_finish"_L1;
+        return u"qt_wizard_finish"_s;
     case QWizard::CancelButton:
-        return "qt_wizard_cancel"_L1;
+        return u"qt_wizard_cancel"_s;
     case QWizard::BackButton:
     case QWizard::NextButton:
     case QWizard::HelpButton:
diff --git a/src/widgets/styles/qstylesheetstyle.cpp b/src/widgets/styles/qstylesheetstyle.cpp
index 6abef62835..69d9e26cf8 100644
--- a/src/widgets/styles/qstylesheetstyle.cpp
+++ b/src/widgets/styles/qstylesheetstyle.cpp
@@ -2163,7 +2163,7 @@ bool QStyleSheetStyle::hasStyleRule(const QObject *obj, int part) const
         return result;
     }
 
-    QString pseudoElement = QLatin1StringView(knownPseudoElements[part].name);
+    auto pseudoElement = QLatin1StringView(knownPseudoElements[part].name);
     for (int i = 0; i < rules.count(); i++) {
         const Selector& selector = rules.at(i).selectors.at(0);
         if (pseudoElement.compare(selector.pseudoElement(), Qt::CaseInsensitive) == 0) {