diff --git a/src/libs/vlayout/testpath.cpp b/src/libs/vlayout/testpath.cpp
index 0374c4b2c..937a924e8 100644
--- a/src/libs/vlayout/testpath.cpp
+++ b/src/libs/vlayout/testpath.cpp
@@ -40,7 +40,7 @@
 //---------------------------------------------------------------------------------------------------------------------
 #if !defined(V_NO_ASSERT)
 // Use for writing tests
-QJsonObject PointToJson(const QPointF &point)
+auto PointToJson(const QPointF &point) -> QJsonObject
 {
     QJsonObject pointObject
     {
diff --git a/src/libs/vlayout/vabstractpiece.cpp b/src/libs/vlayout/vabstractpiece.cpp
index bdecf18c2..9152ef8eb 100644
--- a/src/libs/vlayout/vabstractpiece.cpp
+++ b/src/libs/vlayout/vabstractpiece.cpp
@@ -895,7 +895,7 @@ QVector<QPointF> CleanLoopArtifacts(const QVector<VRawSAPoint> &points)
 {
     QVector<QPointF> cleaned;
     cleaned.reserve(points.size());
-    for (auto &point : points)
+    for (const auto &point : points)
     {
         if (not point.LoopPoint())
         {
@@ -1211,7 +1211,7 @@ QVector<QPointF> VAbstractPiece::CheckLoops(const QVector<QPointF> &points)
  * @param points vector of points of equidistant.
  * @return vector of points of equidistant.
  */
-QVector<QPointF> VAbstractPiece::CheckLoops(const QVector<VRawSAPoint> &points)
+auto VAbstractPiece::CheckLoops(const QVector<VRawSAPoint> &points) -> QVector<QPointF>
 {
 //    DumpVector(points); // Uncomment for dumping test data