diff --git a/share/qtcreator/qml/qmldump/main.cpp b/share/qtcreator/qml/qmldump/main.cpp
index a753ebba8e8..301daee4d23 100644
--- a/share/qtcreator/qml/qmldump/main.cpp
+++ b/share/qtcreator/qml/qmldump/main.cpp
@@ -31,6 +31,9 @@
 **
 **************************************************************************/
 
+// WARNING: This code is shared with the qmlplugindump tool code in Qt.
+//          Modifications to this file need to be applied there.
+
 #include <QtDeclarative/QtDeclarative>
 #include <QtDeclarative/private/qdeclarativemetatype_p.h>
 #include <QtDeclarative/private/qdeclarativeopenmetaobject_p.h>
diff --git a/share/qtcreator/qml/qmldump/qmlstreamwriter.cpp b/share/qtcreator/qml/qmldump/qmlstreamwriter.cpp
index 94fee55b796..d80ed761aa4 100644
--- a/share/qtcreator/qml/qmldump/qmlstreamwriter.cpp
+++ b/share/qtcreator/qml/qmldump/qmlstreamwriter.cpp
@@ -31,6 +31,9 @@
 **
 **************************************************************************/
 
+// WARNING: This code is shared with the qmlplugindump tool code in Qt.
+//          Modifications to this file need to be applied there.
+
 #include "qmlstreamwriter.h"
 
 #include <QtCore/QBuffer>
diff --git a/share/qtcreator/qml/qmldump/qmlstreamwriter.h b/share/qtcreator/qml/qmldump/qmlstreamwriter.h
index 8d552d6a8e1..6aa30871cfe 100644
--- a/share/qtcreator/qml/qmldump/qmlstreamwriter.h
+++ b/share/qtcreator/qml/qmldump/qmlstreamwriter.h
@@ -31,6 +31,9 @@
 **
 **************************************************************************/
 
+// WARNING: This code is shared with the qmlplugindump tool code in Qt.
+//          Modifications to this file need to be applied there.
+
 #ifndef QMLSTREAMWRITER_H
 #define QMLSTREAMWRITER_H