diff --git a/inc/sandboxSetup.h b/inc/sandboxSetup.h
index 967a75c40c2d30d3c984282db89a86774bab9608..94cbf17a797db29dd46f9c1a5962bba5c7f8dc22 100644
--- a/inc/sandboxSetup.h
+++ b/inc/sandboxSetup.h
@@ -14,8 +14,6 @@ class SandboxSetup{
         Camera *camera;
         Beamer *beamer;
 
-        std::vector<std::vector<cv::Point2i>> getTriangles(std::vector<cv::Point2i> rectPoints);
-        std::vector<cv::Point2i> getCentroids(std::vector<std::vector<cv::Point2i>> triangles);
         double toDegrees(double radians);
 
     public:
@@ -37,7 +35,6 @@ class SandboxSetup{
         int loadCroppingMask();
 
         // edit variables of config => not persistant
-        cv::Point2i getCenterOfQuadrilateral(std::vector<cv::Point> rectPoints);
         void setupAdjustMatrix(std::vector<cv::Point> rectPoints, cv::Point center);
         void setupCroppingMask(std::vector<cv::Point> rectPoints);
 };
diff --git a/src/lib/sandboxSetup.cpp b/src/lib/sandboxSetup.cpp
index 6c0ef6a8ff2dc42866cd1e5f7148d7f8481a0609..13d020506ede192420d37c631820cda715ab81f5 100644
--- a/src/lib/sandboxSetup.cpp
+++ b/src/lib/sandboxSetup.cpp
@@ -62,37 +62,6 @@ int SandboxSetup::loadFrameProcessProfil(){
     return loadFrameProcessProfilFrom(defaultConfigFilePath);
 }
 
-/*
-    Get the centroid of a quadrilateral
-    source : http://jwilson.coe.uga.edu/EMT668/EMT668.Folders.F97/Patterson/EMT%20669/centroid%20of%20quad/Centroid.html
-*/
-cv::Point2i SandboxSetup::getCenterOfQuadrilateral(std::vector<cv::Point> rectPoints){
-    
-    std::vector<std::vector<cv::Point2i>> triangles = getTriangles(rectPoints);
-    std::vector<cv::Point2i> centroids = getCentroids(triangles);
-
-    /*
-        Pa = P1 + mua (P2 - P1)
-        Pb = P3 + mub (P4 - P3)
-    */
-    cv::Point3d pa;
-    cv::Point3d pb;
-    double mua;
-    double mub;
-    beamer->LineLineIntersect( cv::Point3d(centroids.at(0).x, centroids.at(0).y, 0),
-                               cv::Point3d(centroids.at(2).x, centroids.at(2).y, 0),
-                               cv::Point3d(centroids.at(1).x, centroids.at(1).y, 0),
-                               cv::Point3d(centroids.at(3).x, centroids.at(3).y, 0),
-                               &pa, &pb, &mua, &mub );
-
-    // pa and pb should be the same
-    cv::Point2i center;
-    center.x = (pa.x + pb.x) / 2;
-    center.y = (pa.y + pb.y) / 2;
-
-    return center;
-}
-
 
 /*  Assuming points positions are :
  *      pts[0] : top left
@@ -107,7 +76,7 @@ void SandboxSetup::setupAdjustMatrix(std::vector<cv::Point> rectPoints, cv::Poin
     // Set adjusting matrix for the projection
     int widthTop = rectPoints[3].x - rectPoints[0].x;
     double angle = atan((double)(rectPoints[3].y - rectPoints[0].y) / widthTop);
-    cv::Mat_<float> matRotation = cv::getRotationMatrix2D(center, toDegrees(angle), 1); // adjustingMatrix
+    cv::Mat_<float> matRotation = cv::getRotationMatrix2D(center, toDegrees(angle), 1);
     projection->setAdjustingMatrix(matRotation);
 }
 
@@ -138,47 +107,6 @@ void SandboxSetup::setupCroppingMask(std::vector<cv::Point2i> rectPoints){
 //
 
 
-/*
-    Get the 4 triangles in the quadrilateral
-*/
-std::vector<std::vector<cv::Point2i>> SandboxSetup::getTriangles(std::vector<cv::Point2i> rectPoints){
-    
-    std::vector<std::vector<cv::Point2i>> triangles;
-    std::vector<cv::Point2i> A, B, C, D;
-    std::vector<cv::Point2i> lst[4] = {A,B,C,D};
-
-    // 4 triangles in the quadrilateral
-    for (int i=0; i<4; i++){
-        // corners in the triangle
-        for(int j=0; j<3; j++){
-            lst[i].push_back(rectPoints.at( (i+j)%rectPoints.size() ));
-        }
-        triangles.push_back(lst[i]);
-    }
-
-    return triangles;
-}
-
-/*
-    Get the centroid of each of the 4 triangles
-    source : https://www.khanacademy.org/math/geometry-home/triangle-properties/medians-centroids/v/triangle-medians-and-centroids
-*/
-std::vector<cv::Point2i> SandboxSetup::getCentroids(std::vector<std::vector<cv::Point2i>> triangles){
-    
-    std::vector<cv::Point2i> centroids;
-
-    // the centroid is the average of the 3 coordinates
-    for(int i=0; i<(int)triangles.size(); i++){
-        std::vector<cv::Point2i> tr = triangles.at(i);
-        cv::Point2i center;
-        center.x = (tr.at(0).x + tr.at(1).x + tr.at(2).x) / 3;
-        center.y = (tr.at(0).y + tr.at(1).y + tr.at(2).y) / 3;
-        centroids.push_back(center);
-    }
-
-    return centroids;
-}
-
 double SandboxSetup::toDegrees(double radians){
     return radians * (180.0 / M_PI);
 }