diff --git a/tests/auto/corelib/io/qfile/tst_qfile.cpp b/tests/auto/corelib/io/qfile/tst_qfile.cpp
index 41c9871e26..de4dbfc2a9 100644
--- a/tests/auto/corelib/io/qfile/tst_qfile.cpp
+++ b/tests/auto/corelib/io/qfile/tst_qfile.cpp
@@ -2206,7 +2206,8 @@ public:
     uint ownerId(FileOwner) const { return 0; }
     QString owner(FileOwner) const { return QString(); }
     QDateTime fileTime(FileTime) const { return QDateTime(); }
-    bool setFileTime(const QDateTime &newDate, FileTime time) { return false; }
+    bool setFileTime(const QDateTime &newDate, FileTime time)
+    { Q_UNUSED(newDate) Q_UNUSED(time) return false; }
 
 private:
     int number;