diff --git a/autotests/taglibextractortest.cpp b/autotests/taglibextractortest.cpp
--- a/autotests/taglibextractortest.cpp
+++ b/autotests/taglibextractortest.cpp
@@ -31,8 +31,6 @@
 #include <QTest>
 #include <QDir>
 
-Q_DECLARE_METATYPE(KFileMetaData::Property::Property)
-
 using namespace KFileMetaData;
 
 QString TagLibExtractorTest::testFilePath(const QString& fileName) const
diff --git a/src/properties.h b/src/properties.h
--- a/src/properties.h
+++ b/src/properties.h
@@ -388,4 +388,6 @@
 
 } // namespace KFileMetaData
 
+Q_DECLARE_METATYPE(KFileMetaData::Property::Property)
+
 #endif