diff --git a/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp b/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp
index 46d2fa2bde0..0b2e1e19028 100644
--- a/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp
+++ b/tests/auto/corelib/io/qtemporarydir/tst_qtemporarydir.cpp
@@ -50,6 +50,10 @@
 #ifdef Q_OS_WIN
 # include <windows.h>
 #endif
+#ifdef Q_OS_UNIX // for geteuid()
+# include <sys/types.h>
+# include <unistd.h>
+#endif
 
 class tst_QTemporaryDir : public QObject
 {
diff --git a/tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp b/tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp
index 8473597dac5..ad9da27c7e8 100644
--- a/tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp
+++ b/tests/auto/gui/image/qimagewriter/tst_qimagewriter.cpp
@@ -52,6 +52,11 @@
 #include <QPainter>
 #include <QSet>
 
+#ifdef Q_OS_UNIX // for geteuid()
+# include <sys/types.h>
+# include <unistd.h>
+#endif
+
 typedef QMap<QString, QString> QStringMap;
 typedef QList<int> QIntList;
 Q_DECLARE_METATYPE(QImage)