diff --git a/src/plugins/qmldesigner/components/componentcore/crumblebar.cpp b/src/plugins/qmldesigner/components/componentcore/crumblebar.cpp
index 770ca520215..2326780542c 100644
--- a/src/plugins/qmldesigner/components/componentcore/crumblebar.cpp
+++ b/src/plugins/qmldesigner/components/componentcore/crumblebar.cpp
@@ -149,9 +149,7 @@ void CrumbleBar::showSaveDialog()
                                                     tr("Always save when leaving subcomponent"),
                                                     &alwaysSave);
 
-        DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
-        settings.insert(DesignerSettingsKey::ALWAYS_SAFE_IN_CRUMBLEBAR, alwaysSave);
-        QmlDesignerPlugin::instance()->setSettings(settings);
+        DesignerSettings::setValue(DesignerSettingsKey::ALWAYS_SAFE_IN_CRUMBLEBAR, alwaysSave);
     }
 }
 
diff --git a/src/plugins/qmldesigner/components/debugview/debugviewwidget.cpp b/src/plugins/qmldesigner/components/debugview/debugviewwidget.cpp
index 637bdf8f435..269fbf7c3df 100644
--- a/src/plugins/qmldesigner/components/debugview/debugviewwidget.cpp
+++ b/src/plugins/qmldesigner/components/debugview/debugviewwidget.cpp
@@ -94,9 +94,7 @@ void DebugViewWidget::setDebugViewEnabled(bool b)
 
 void DebugViewWidget::enabledCheckBoxToggled(bool b)
 {
-    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
-    settings.insert(DesignerSettingsKey::WARNING_FOR_FEATURES_IN_DESIGNER, b);
-    QmlDesignerPlugin::instance()->setSettings(settings);
+    DesignerSettings::setValue(DesignerSettingsKey::WARNING_FOR_FEATURES_IN_DESIGNER, b);
 }
 
 } //namespace Internal
diff --git a/src/plugins/qmldesigner/designersettings.cpp b/src/plugins/qmldesigner/designersettings.cpp
index 5008948f075..1502405dfbf 100644
--- a/src/plugins/qmldesigner/designersettings.cpp
+++ b/src/plugins/qmldesigner/designersettings.cpp
@@ -104,4 +104,11 @@ QVariant DesignerSettings::getValue(const QByteArray &key)
     return settings.value(key);
 }
 
+void DesignerSettings::setValue(const QByteArray &key, const QVariant &value)
+{
+    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
+    settings.insert(key, value);
+    QmlDesignerPlugin::instance()->setSettings(settings);
+}
+
 } // namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/designersettings.h b/src/plugins/qmldesigner/designersettings.h
index 72698609937..baff3623dca 100644
--- a/src/plugins/qmldesigner/designersettings.h
+++ b/src/plugins/qmldesigner/designersettings.h
@@ -71,6 +71,7 @@ public:
     void fromSettings(QSettings *);
     void toSettings(QSettings *) const;
     static QVariant getValue(const QByteArray &key);
+    static void setValue(const QByteArray &key, const QVariant &value);
 private:
     void restoreValue(QSettings *settings, const QByteArray &key,
         const QVariant &defaultValue = QVariant());
diff --git a/src/plugins/qmldesigner/documentwarningwidget.cpp b/src/plugins/qmldesigner/documentwarningwidget.cpp
index be0be89c361..25ba114de9a 100644
--- a/src/plugins/qmldesigner/documentwarningwidget.cpp
+++ b/src/plugins/qmldesigner/documentwarningwidget.cpp
@@ -203,9 +203,7 @@ bool DocumentWarningWidget::warningsEnabled() const
 
 void DocumentWarningWidget::ignoreCheckBoxToggled(bool b)
 {
-    DesignerSettings settings = QmlDesignerPlugin::instance()->settings();
-    settings.insert(DesignerSettingsKey::WARNING_FOR_FEATURES_IN_DESIGNER, !b);
-    QmlDesignerPlugin::instance()->setSettings(settings);
+    DesignerSettings::setValue(DesignerSettingsKey::WARNING_FOR_FEATURES_IN_DESIGNER, !b);
 }
 
 void DocumentWarningWidget::setErrors(const QList<DocumentMessage> &errors)