diff --git a/src/Mod/ReverseEngineering/App/RegionGrowing.cpp b/src/Mod/ReverseEngineering/App/RegionGrowing.cpp
index bb6fd5ef8b..cd3f8fc297 100644
--- a/src/Mod/ReverseEngineering/App/RegionGrowing.cpp
+++ b/src/Mod/ReverseEngineering/App/RegionGrowing.cpp
@@ -61,7 +61,7 @@ void RegionGrowing::perform(int ksearch)
     }
 
     //normal estimation
-    pcl::search::Search<pcl::PointXYZ>::Ptr tree = boost::shared_ptr<pcl::search::Search<pcl::PointXYZ> > (new pcl::search::KdTree<pcl::PointXYZ>);
+    pcl::search::Search<pcl::PointXYZ>::Ptr tree(new pcl::search::KdTree<pcl::PointXYZ>);
     pcl::PointCloud <pcl::Normal>::Ptr normals (new pcl::PointCloud <pcl::Normal>);
     pcl::NormalEstimation<pcl::PointXYZ, pcl::Normal> normal_estimator;
     normal_estimator.setSearchMethod (tree);
@@ -118,7 +118,7 @@ void RegionGrowing::perform(const std::vector<Base::Vector3f>& myNormals)
         }
     }
 
-    pcl::search::Search<pcl::PointXYZ>::Ptr tree = boost::shared_ptr<pcl::search::Search<pcl::PointXYZ> > (new pcl::search::KdTree<pcl::PointXYZ>);
+    pcl::search::Search<pcl::PointXYZ>::Ptr tree(new pcl::search::KdTree<pcl::PointXYZ>);
     tree->setInputCloud (cloud);
 
     // pass through