diff --git a/src/plugins/coreplugin/dialogs/ioptionspage.cpp b/src/plugins/coreplugin/dialogs/ioptionspage.cpp
index 1912045af53..4def6095a11 100644
--- a/src/plugins/coreplugin/dialogs/ioptionspage.cpp
+++ b/src/plugins/coreplugin/dialogs/ioptionspage.cpp
@@ -199,15 +199,6 @@ void IOptionsPage::setSettings(AspectContainer *settings)
     m_settings = settings;
 }
 
-void IOptionsPage::setLayouter(const std::function<void(QWidget *w)> &layouter)
-{
-    m_widgetCreator = [layouter] {
-        auto widget = new IOptionsPageWidget;
-        layouter(widget);
-        return widget;
-    };
-}
-
 void IOptionsPage::setLayouter(const std::function<Layouting::LayoutItem ()> &layouter)
 {
     m_widgetCreator = [layouter] {
diff --git a/src/plugins/coreplugin/dialogs/ioptionspage.h b/src/plugins/coreplugin/dialogs/ioptionspage.h
index a38bf863c36..f4801b7c734 100644
--- a/src/plugins/coreplugin/dialogs/ioptionspage.h
+++ b/src/plugins/coreplugin/dialogs/ioptionspage.h
@@ -74,7 +74,6 @@ protected:
     void setCategoryIcon(const Utils::Icon &categoryIcon) { m_categoryIcon = categoryIcon; }
     void setCategoryIconPath(const Utils::FilePath &categoryIconPath);
     void setSettings(Utils::AspectContainer *settings);
-    void setLayouter(const std::function<void(QWidget *w)> &layouter);
     void setLayouter(const std::function<Layouting::LayoutItem()> &layouter);
 
     // Used in FontSettingsPage. FIXME?