diff --git a/src/plugins/qmldesigner/config.pri b/src/plugins/qmldesigner/config.pri
deleted file mode 100644
index 1b559b2fade..00000000000
--- a/src/plugins/qmldesigner/config.pri
+++ /dev/null
@@ -1,11 +0,0 @@
-# MOC_DIR = moc
-debug {
-  DEFINES += VIEWLOGGER
-}
-
-TMP_BAUHAUS_NO_OUTPUT = $$[BAUHAUS_NO_OUTPUT]
-equals(TMP_BAUHAUS_NO_OUTPUT, true):DEFINES += QT_NO_DEBUG_OUTPUT \
-    QT_NO_WARNING_OUTPUT
-DEFINES += ENABLE_TEXT_VIEW
-
-isEmpty($$(BAUHAUS_OUTPUT_IN_TEST)):DEFINES += QDEBUG_IN_TESTS WARNINGS_IN_TESTS
diff --git a/tests/auto/qml/qmldesigner/common/statichelpers.cpp b/tests/auto/qml/qmldesigner/common/statichelpers.cpp
index bca28e450e4..539e697c33c 100644
--- a/tests/auto/qml/qmldesigner/common/statichelpers.cpp
+++ b/tests/auto/qml/qmldesigner/common/statichelpers.cpp
@@ -23,28 +23,6 @@
 **
 ****************************************************************************/
 
-//static void testMessageOutput(QtMsgType type, const char *msg)
-// {
-//     switch (type) {
-//     case QtDebugMsg:
-//#ifdef QDEBUG_IN_TESTS
-//         std::fprintf(stderr, "Debug: %s\n", msg);
-//#endif // QDEBUG_IN_TESTS
-//         break;
-//     case QtWarningMsg:
-//#ifdef WARNINGS_IN_TESTS
-//         std::fprintf(stderr, "Warning: %s\n", msg);
-//#endif // WARNINGS_IN_TESTS
-//         break;
-//     case QtCriticalMsg:
-//         std::fprintf(stderr, "Critical: %s\n", msg);
-//         break;
-//     case QtFatalMsg:
-//         std::fprintf(stderr, "Fatal: %s\n", msg);
-//         break;
-//     }
-// }
-
 static ModelNode addNodeListChild(const ModelNode &parentNode, const QString &typeName, int major, int minor, const QString &parentProperty)
 {
     ModelNode newNode = parentNode.view()->createModelNode(typeName.toUtf8(), major, minor);
diff --git a/tests/auto/qml/qmldesigner/coretests/coretests.pro b/tests/auto/qml/qmldesigner/coretests/coretests.pro
index af6a55753f7..22f417593b3 100644
--- a/tests/auto/qml/qmldesigner/coretests/coretests.pro
+++ b/tests/auto/qml/qmldesigner/coretests/coretests.pro
@@ -9,7 +9,6 @@ QTC_PLUGIN_DEPENDS += \
     qmljseditor
 
 include(../../../qttest.pri)
-include($$IDE_SOURCE_TREE/src/plugins/qmldesigner/config.pri)
 
 QT += network core-private
 
diff --git a/tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp b/tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp
index 34ba813b1ae..9a40c3c7dc8 100644
--- a/tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp
+++ b/tests/auto/qml/qmldesigner/coretests/tst_testcore.cpp
@@ -175,9 +175,6 @@ tst_TestCore::tst_TestCore()
 
 void tst_TestCore::initTestCase()
 {
-#ifndef QDEBUG_IN_TESTS
-    qInstallMsgHandler(testMessageOutput);
-#endif
     Exception::setShouldAssert(false);
 
     initializeMetaTypeSystem(QLatin1String(QTCREATORDIR "/share/qtcreator"));