diff --git a/src/positioning/positioning.pro b/src/positioning/positioning.pro
index 17f472407685356401d9a17a3ac5d3a4fe9e5e92..9bf10ae6bac06a5bc3824fdeed094860e7c70ce2 100644
--- a/src/positioning/positioning.pro
+++ b/src/positioning/positioning.pro
@@ -58,7 +58,6 @@ PRIVATE_HEADERS += \
                     qlocationdata_simulator_p.h \
                     qdoublematrix4x4_p.h \
                     qgeopath_p.h \
-                    qgeopolygon_p.h \
                     qgeocoordinateobject_p.h \
                     qclipperutils_p.h
 
diff --git a/src/positioning/qgeocoordinateobject_p.h b/src/positioning/qgeocoordinateobject_p.h
index 7061c28fbf6ca1e7bb70512e9af7f897b684aaf3..b1d794b2e2f45431407b62edaa21956c83ca2ef8 100644
--- a/src/positioning/qgeocoordinateobject_p.h
+++ b/src/positioning/qgeocoordinateobject_p.h
@@ -40,6 +40,17 @@
 #ifndef QGEOCOORDINATEOBJECT_P_H
 #define QGEOCOORDINATEOBJECT_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtPositioning/private/qpositioningglobal_p.h>
 #include <QObject>
 #include <QGeoCoordinate>