diff --git a/src/plugins/qmldesigner/designercore/metainfo/metainfo.cpp b/src/plugins/qmldesigner/designercore/metainfo/metainfo.cpp
index a86a597ea0b..53359fb2440 100644
--- a/src/plugins/qmldesigner/designercore/metainfo/metainfo.cpp
+++ b/src/plugins/qmldesigner/designercore/metainfo/metainfo.cpp
@@ -110,7 +110,7 @@ void MetaInfoPrivate::parseItemLibraryDescriptions(const ExternalDependenciesInt
         Internal::MetaInfoReader reader(*m_q);
         try {
             reader.readMetaInfoFile(plugin->metaInfo());
-        } catch (const InvalidMetaInfoException &e) {
+        } catch ([[maybe_unused]] const InvalidMetaInfoException &e) {
 #ifndef UNIT_TESTS
             qWarning() << e.description();
             const QString errorMessage = plugin->metaInfo() + QLatin1Char('\n') + QLatin1Char('\n')