diff --git a/src/gui/painting/qpathsimplifier.cpp b/src/gui/painting/qpathsimplifier.cpp
index 36baccd3e4..969308f0bb 100644
--- a/src/gui/painting/qpathsimplifier.cpp
+++ b/src/gui/painting/qpathsimplifier.cpp
@@ -1635,3 +1635,5 @@ void qSimplifyPath(const QPainterPath &path, QDataBuffer<QPoint> &vertices,
 
 
 QT_END_NAMESPACE
+
+#undef Q_FIXED_POINT_SCALE
diff --git a/src/gui/painting/qtriangulator.cpp b/src/gui/painting/qtriangulator.cpp
index 86f3a2b20c..029566f1b9 100644
--- a/src/gui/painting/qtriangulator.cpp
+++ b/src/gui/painting/qtriangulator.cpp
@@ -2321,3 +2321,5 @@ QPolylineSet qPolyline(const QPainterPath &path,
 }
 
 QT_END_NAMESPACE
+
+#undef Q_FIXED_POINT_SCALE