diff --git a/src/gui/text/qplatformfontdatabase_qpa.cpp b/src/gui/text/qplatformfontdatabase_qpa.cpp
index 8d5a9201d9..165bd8b992 100644
--- a/src/gui/text/qplatformfontdatabase_qpa.cpp
+++ b/src/gui/text/qplatformfontdatabase_qpa.cpp
@@ -232,6 +232,13 @@ bool QSupportedWritingSystems::supported(QFontDatabase::WritingSystem writingSys
 
 */
 
+/*!
+    \internal
+ */
+QPlatformFontDatabase::~QPlatformFontDatabase()
+{
+}
+
 /*!
   This function is called once at startup by Qt's internal font database.
   Reimplement this function in a subclass for a convenient place to initialize
diff --git a/src/gui/text/qplatformfontdatabase_qpa.h b/src/gui/text/qplatformfontdatabase_qpa.h
index 901d8c2e6e..a0953ca1b4 100644
--- a/src/gui/text/qplatformfontdatabase_qpa.h
+++ b/src/gui/text/qplatformfontdatabase_qpa.h
@@ -87,6 +87,7 @@ class QFontRequestPrivate;
 class Q_GUI_EXPORT QPlatformFontDatabase
 {
 public:
+    virtual ~QPlatformFontDatabase();
     virtual void populateFontDatabase();
     virtual QFontEngine *fontEngine(const QFontDef &fontDef, QUnicodeTables::Script script, void *handle);
     virtual QStringList fallbacksForFamily(const QString family, const QFont::Style &style, const QFont::StyleHint &styleHint, const QUnicodeTables::Script &script) const;