diff --git a/src/plugins/coreplugin/dialogs/shortcutsettings.cpp b/src/plugins/coreplugin/dialogs/shortcutsettings.cpp
index 73e6ebe2fc6..976db777405 100644
--- a/src/plugins/coreplugin/dialogs/shortcutsettings.cpp
+++ b/src/plugins/coreplugin/dialogs/shortcutsettings.cpp
@@ -122,18 +122,12 @@ static QKeySequence keySequenceFromEditString(const QString &editString)
     return QKeySequence::fromString(text, QKeySequence::PortableText);
 }
 
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-using KeyCombination = int;
-#else
-using KeyCombination = QKeyCombination;
-#endif
-
 static bool keySequenceIsValid(const QKeySequence &sequence)
 {
     if (sequence.isEmpty())
         return false;
     for (int i = 0; i < sequence.count(); ++i) {
-        if (sequence[i] == KeyCombination(Qt::Key_unknown))
+        if (sequence[i] == QKeyCombination(Qt::Key_unknown))
             return false;
     }
     return true;
diff --git a/src/plugins/coreplugin/mainwindow.cpp b/src/plugins/coreplugin/mainwindow.cpp
index 66c49347386..ae51062df2a 100644
--- a/src/plugins/coreplugin/mainwindow.cpp
+++ b/src/plugins/coreplugin/mainwindow.cpp
@@ -1427,11 +1427,7 @@ public:
             // with the last pixel visible
             if (fmt.property(QTextFormat::HeadingLevel) == 2) {
                 QTextCharFormat charFmt = currentBlock().charFormat();
-#if QT_VERSION <= QT_VERSION_CHECK(6, 0, 0)
-                charFmt.setVerticalAlignment(QTextCharFormat::AlignSuperScript);
-#else
                 charFmt.setBaselineOffset(15);
-#endif
                 setFormat(0, text.length(), charFmt);
 
                 if (h2Brush.style() == Qt::NoBrush) {