diff --git a/applets/systemtray/autotests/data/systraysettingsrc b/applets/systemtray/autotests/data/systraysettingsrc
new file mode 100644
index 000000000..e69de29bb
diff --git a/applets/systemtray/autotests/systemtraymodeltest.cpp b/applets/systemtray/autotests/systemtraymodeltest.cpp
index 05cc278db..136f61153 100644
--- a/applets/systemtray/autotests/systemtraymodeltest.cpp
+++ b/applets/systemtray/autotests/systemtraymodeltest.cpp
@@ -11,6 +11,8 @@
 #include <Plasma/DataEngine>
 #include <Plasma/PluginLoader>
 
+#include <KConfigLoader>
+
 #include "../plasmoidregistry.h"
 #include "../systemtraymodel.h"
 #include "../systemtraysettings.h"
@@ -50,70 +52,14 @@ public:
     QMap<QString, KPluginMetaData> m_systemTrayApplets;
 };
 
-class MockedSystemTraySettings : public SystemTraySettings
-{
-public:
-    MockedSystemTraySettings()
-        : SystemTraySettings(nullptr)
-    {
-    }
-
-    bool isKnownPlugin(const QString &pluginId) override
-    {
-        return m_knownPlugins.contains(pluginId);
-    }
-    const QStringList knownPlugins() const override
-    {
-        return m_knownPlugins;
-    }
-    void addKnownPlugin(const QString &pluginId) override
-    {
-        m_knownPlugins << pluginId;
-    }
-    void removeKnownPlugin(const QString &pluginId) override
-    {
-        m_knownPlugins.removeAll(pluginId);
-    }
-    bool isEnabledPlugin(const QString &pluginId) const override
-    {
-        return m_enabledPlugins.contains(pluginId);
-    }
-    const QStringList enabledPlugins() const override
-    {
-        return m_enabledPlugins;
-    }
-    void addEnabledPlugin(const QString &pluginId) override
-    {
-        m_enabledPlugins << pluginId;
-    }
-    void removeEnabledPlugin(const QString &pluginId) override
-    {
-        m_enabledPlugins.removeAll(pluginId);
-    }
-    bool isShowAllItems() const override
-    {
-        return m_showAllItems;
-    }
-    const QStringList shownItems() const override
-    {
-        return m_shownItems;
-    }
-    const QStringList hiddenItems() const override
-    {
-        return m_hiddenItems;
-    };
-
-    QStringList m_knownPlugins;
-    QStringList m_enabledPlugins;
-    QStringList m_shownItems;
-    QStringList m_hiddenItems;
-    bool m_showAllItems = false;
-};
-
 void SystemTrayModelTest::testPlasmoidModel()
 {
     // given: mocked PlasmoidRegistry with sample plugin meta data
-    MockedSystemTraySettings *settings = new MockedSystemTraySettings();
+    const QString configFileName = QFINDTESTDATA("data/systraysettingsrc");
+    const QString schemaFileName = QFINDTESTDATA("../package/contents/config/main.xml");
+    QFile schemaFile(schemaFileName);
+    KConfigLoader loader(configFileName, &schemaFile);
+    SystemTraySettings *settings = new SystemTraySettings(&loader);
     MockedPlasmoidRegistry *plasmoidRegistry = new MockedPlasmoidRegistry(settings);
     plasmoidRegistry->m_systemTrayApplets.insert(DEVICENOTIFIER_ID, KPluginMetaData(QFINDTESTDATA("data/devicenotifier/metadata.json")));
     plasmoidRegistry->m_systemTrayApplets.insert(MEDIACONROLLER_ID, KPluginMetaData(QFINDTESTDATA("data/mediacontroller/metadata.json")));
diff --git a/applets/systemtray/systemtraysettings.h b/applets/systemtray/systemtraysettings.h
index 656f94403..2c7cf59f1 100644
--- a/applets/systemtray/systemtraysettings.h
+++ b/applets/systemtray/systemtraysettings.h
@@ -21,21 +21,21 @@ class SystemTraySettings : public QObject
 public:
     explicit SystemTraySettings(KConfigLoader *config, QObject *parent = nullptr);
 
-    virtual bool isKnownPlugin(const QString &pluginId);
-    virtual const QStringList knownPlugins() const;
-    virtual void addKnownPlugin(const QString &pluginId);
-    virtual void removeKnownPlugin(const QString &pluginId);
+    bool isKnownPlugin(const QString &pluginId);
+    const QStringList knownPlugins() const;
+    void addKnownPlugin(const QString &pluginId);
+    void removeKnownPlugin(const QString &pluginId);
 
-    virtual bool isEnabledPlugin(const QString &pluginId) const;
-    virtual const QStringList enabledPlugins() const;
-    virtual void addEnabledPlugin(const QString &pluginId);
-    virtual void removeEnabledPlugin(const QString &pluginId);
+    bool isEnabledPlugin(const QString &pluginId) const;
+    const QStringList enabledPlugins() const;
+    void addEnabledPlugin(const QString &pluginId);
+    void removeEnabledPlugin(const QString &pluginId);
 
-    virtual bool isShowAllItems() const;
-    virtual const QStringList shownItems() const;
-    virtual const QStringList hiddenItems() const;
+    bool isShowAllItems() const;
+    const QStringList shownItems() const;
+    const QStringList hiddenItems() const;
 
-    virtual void cleanupPlugin(const QString &pluginId);
+    void cleanupPlugin(const QString &pluginId);
 
 Q_SIGNALS:
     void configurationChanged();