diff --git a/src/plugins/qmldesigner/components/itemlibrary/itemlibraryview.cpp b/src/plugins/qmldesigner/components/itemlibrary/itemlibraryview.cpp
index 813b021b85d..3e56c6a0e6d 100644
--- a/src/plugins/qmldesigner/components/itemlibrary/itemlibraryview.cpp
+++ b/src/plugins/qmldesigner/components/itemlibrary/itemlibraryview.cpp
@@ -148,6 +148,8 @@ void ItemLibraryView::updateImport3DSupport(const QVariantMap &supportMap)
         AddResourceOperation import3DModelOperation = [this](const QStringList &fileNames,
                                                              const QString &defaultDir,
                                                              bool showDialog) -> AddFilesResult {
+            Q_UNUSED(showDialog)
+
             auto importDlg = new ItemLibraryAssetImportDialog(fileNames, defaultDir,
                                                               m_importableExtensions3DMap,
                                                               m_importOptions3DMap, {}, {},