diff --git a/src/plugins/mcusupport/mcusupportversiondetection.h b/src/plugins/mcusupport/mcusupportversiondetection.h
index b32406f013c..5aa2c799b0e 100644
--- a/src/plugins/mcusupport/mcusupportversiondetection.h
+++ b/src/plugins/mcusupport/mcusupportversiondetection.h
@@ -23,8 +23,7 @@
 **
 ****************************************************************************/
 
-#ifndef MCUSUPPORTVERSIONDETECTION_H
-#define MCUSUPPORTVERSIONDETECTION_H
+#pragma once
 
 #include <QObject>
 
@@ -47,7 +46,7 @@ public:
     McuPackageExecutableVersionDetector(const QString &detectionPath,
                                         const QStringList &detectionArgs,
                                         const QString &detectionRegExp);
-    virtual QString parseVersion(const QString &packagePath) const;
+    QString parseVersion(const QString &packagePath) const final;
 private:
     const QString m_detectionPath;
     const QStringList m_detectionArgs;
@@ -62,7 +61,7 @@ public:
                                  const QString &elementName,
                                  const QString &versionAttribute,
                                  const QString &versionRegExp);
-    QString parseVersion(const QString &packagePath) const;
+    QString parseVersion(const QString &packagePath) const final;
 private:
     const QString m_filePattern;
     const QString m_versionElement;
@@ -75,7 +74,7 @@ class McuPackageDirectoryVersionDetector : public McuPackageVersionDetector
 {
 public:
     McuPackageDirectoryVersionDetector(const QString &filePattern, const QString &versionRegExp, const bool isFile);
-    QString parseVersion(const QString &packagePath) const;
+    QString parseVersion(const QString &packagePath) const final;
 private:
     const QString m_filePattern;
     const QString m_versionRegExp;
@@ -87,12 +86,10 @@ class McuPackagePathVersionDetector : public McuPackageVersionDetector
 {
 public:
     McuPackagePathVersionDetector(const QString &versionRegExp);
-    QString parseVersion(const QString &packagePath) const;
+    QString parseVersion(const QString &packagePath) const final;
 private:
     const QString m_versionRegExp;
 };
 
 } // Internal
 } // McuSupport
-
-#endif // MCUSUPPORTVERSIONDETECTION_H