diff --git a/src/corelib/kernel/qtestsupport_core.h b/src/corelib/kernel/qtestsupport_core.h
index 0050bcee9b..5e7d5dd3f3 100644
--- a/src/corelib/kernel/qtestsupport_core.h
+++ b/src/corelib/kernel/qtestsupport_core.h
@@ -6,7 +6,6 @@
 
 #include <QtCore/qcoreapplication.h>
 #include <QtCore/qdeadlinetimer.h>
-#include <QtCore/qthread.h>
 
 QT_BEGIN_NAMESPACE