diff --git a/src/plugins/qmldesigner/components/itemlibrary/itemlibrarywidget.cpp b/src/plugins/qmldesigner/components/itemlibrary/itemlibrarywidget.cpp
index 9c46e2ac371..a43889f63d0 100644
--- a/src/plugins/qmldesigner/components/itemlibrary/itemlibrarywidget.cpp
+++ b/src/plugins/qmldesigner/components/itemlibrary/itemlibrarywidget.cpp
@@ -55,10 +55,6 @@
 #include <QShortcut>
 #include <QQuickItem>
 
-enum {
-    debug = false
-};
-
 namespace QmlDesigner {
 
 ItemLibraryWidget::ItemLibraryWidget(QWidget *parent) :
@@ -77,7 +73,6 @@ ItemLibraryWidget::ItemLibraryWidget(QWidget *parent) :
 
     /* create Items view and its model */
     m_itemsView->setResizeMode(QQuickView::SizeRootObjectToView);
-    m_itemsView->engine()->setOutputWarningsToStandardError(debug);
     m_itemLibraryModel = new ItemLibraryModel(this);
     m_itemLibraryModel->setItemIconSize(m_itemIconSize);