diff --git a/tests/TestEntryModel.cpp b/tests/TestEntryModel.cpp
index 7e357c4b2..c8d7371e6 100644
--- a/tests/TestEntryModel.cpp
+++ b/tests/TestEntryModel.cpp
@@ -28,13 +28,17 @@ class TestEntryModel : public QObject
     Q_OBJECT
 
 private Q_SLOTS:
+    void initTestCase();
     void test();
 };
 
-void TestEntryModel::test()
+void TestEntryModel::initTestCase()
 {
     qRegisterMetaType<QModelIndex>("QModelIndex");
+}
 
+void TestEntryModel::test()
+{
     Group* group1 = new Group();
     Group* group2 = new Group();
 
@@ -94,6 +98,4 @@ void TestEntryModel::test()
 
 QTEST_MAIN(TestEntryModel);
 
-Q_DECLARE_METATYPE(QModelIndex);
-
 #include "TestEntryModel.moc"
diff --git a/tests/TestGroup.cpp b/tests/TestGroup.cpp
index 17a9722d4..262dd73ae 100644
--- a/tests/TestGroup.cpp
+++ b/tests/TestGroup.cpp
@@ -25,11 +25,17 @@ class TestGroup : public QObject
     Q_OBJECT
 
 private Q_SLOTS:
+    void initTestCase();
     void testParenting();
     void testSignals();
     void testEntries();
 };
 
+void TestGroup::initTestCase()
+{
+    qRegisterMetaType<Group*>("Group*");
+}
+
 void TestGroup::testParenting()
 {
     Database* db = new Database();
diff --git a/tests/TestGroupModel.cpp b/tests/TestGroupModel.cpp
index 7ea324344..2d7a15d5f 100644
--- a/tests/TestGroupModel.cpp
+++ b/tests/TestGroupModel.cpp
@@ -28,9 +28,15 @@ class TestGroupModel : public QObject
     Q_OBJECT
 
 private Q_SLOTS:
+    void initTestCase();
     void test();
 };
 
+void TestGroupModel::initTestCase()
+{
+    qRegisterMetaType<QModelIndex>("QModelIndex");
+}
+
 void TestGroupModel::test()
 {
     Database* db = new Database();