diff --git a/engine/Engine.cpp b/engine/Engine.cpp
index 8883275..13e9a2f 100644
--- a/engine/Engine.cpp
+++ b/engine/Engine.cpp
@@ -63,11 +63,11 @@ void Engine::create(int screenWidth, int screenHeight, const std::string &name,
                         GLfloat *model = it.second->glModel();
                         GLfloat *geometry = Screen::glMeshToGLfloatArray(it.second, camera->position());
                         screen->glDrawMesh(geometry, view, model, 3 * it.second->triangles().size());
-                        free(geometry);
-                        free(model);
+                        delete[] geometry;
+                        delete[] model;
                     }
                 }
-                free(view);
+                delete[] view;
             } else {
                 // clear triangles from previous frame
                 camera->clear();
diff --git a/engine/Object.cpp b/engine/Object.cpp
index 3594170..0e86a6c 100644
--- a/engine/Object.cpp
+++ b/engine/Object.cpp
@@ -140,7 +140,7 @@ void Object::unattach(const ObjectNameTag &tag) {
 
 // OpenGL function
 GLfloat *Object::glView() const {
-    auto *v = (GLfloat *) malloc(4 * 4 * sizeof(GLfloat));
+    auto *v = new GLfloat[4 * 4];
 
     v[0] = -static_cast<GLfloat>(left().x());
     v[4] = -static_cast<GLfloat>(left().y());
@@ -166,7 +166,7 @@ GLfloat *Object::glView() const {
 }
 
 GLfloat *Object::glModel() const {
-    auto *m = (GLfloat *) malloc(4 * 4 * sizeof(GLfloat));
+    auto *m = new GLfloat[4 * 4];
 
     m[0] = static_cast<GLfloat>(left().x());
     m[4] = static_cast<GLfloat>(up().x());
diff --git a/engine/Screen.cpp b/engine/Screen.cpp
index 5390d09..c865de5 100644
--- a/engine/Screen.cpp
+++ b/engine/Screen.cpp
@@ -173,7 +173,7 @@ void Screen::glDrawMesh(GLfloat *geometry, GLfloat *view, GLfloat *model, size_t
 GLfloat *Screen::glMeshToGLfloatArray(std::shared_ptr<Mesh> mesh, const Vec3D &cameraPosition) {
     std::vector<Triangle> const &triangles = mesh->triangles();
 
-    auto *geometry = (GLfloat *) malloc(7 * 3 * triangles.size() * sizeof(GLfloat));
+    auto *geometry = new GLfloat[7 * 3 * triangles.size()];
 
     auto model = mesh->model();