diff --git a/tests/auto/corelib/io/qfile/tst_qfile.cpp b/tests/auto/corelib/io/qfile/tst_qfile.cpp
index bdfcc2d350..188e3fdc25 100644
--- a/tests/auto/corelib/io/qfile/tst_qfile.cpp
+++ b/tests/auto/corelib/io/qfile/tst_qfile.cpp
@@ -27,6 +27,8 @@
 **
 ****************************************************************************/
 
+#define _CRT_SECURE_NO_WARNINGS 1
+
 #include <QTest>
 #include <QScopedValueRollback>
 #include <qplatformdefs.h>
diff --git a/tests/auto/corelib/io/qipaddress/tst_qipaddress.cpp b/tests/auto/corelib/io/qipaddress/tst_qipaddress.cpp
index 5f99cec3af..60b0c697c5 100644
--- a/tests/auto/corelib/io/qipaddress/tst_qipaddress.cpp
+++ b/tests/auto/corelib/io/qipaddress/tst_qipaddress.cpp
@@ -26,6 +26,8 @@
 **
 ****************************************************************************/
 
+#define _CRT_SECURE_NO_WARNINGS 1
+
 #include <QtCore/QString>
 #include <QTest>
 #include <QtCore/private/qipaddress_p.h>