diff --git a/tests/auto/widgets/widgets/qgroupbox/qgroupbox.pro b/tests/auto/widgets/widgets/qgroupbox/qgroupbox.pro
index 1da41197ca..7c5a4d30e5 100644
--- a/tests/auto/widgets/widgets/qgroupbox/qgroupbox.pro
+++ b/tests/auto/widgets/widgets/qgroupbox/qgroupbox.pro
@@ -1,5 +1,4 @@
 CONFIG += testcase
-CONFIG += parallel_test
 TARGET = tst_qgroupbox
 QT += widgets testlib
 SOURCES  += tst_qgroupbox.cpp