diff --git a/sources/reactphysics3d/Vector3D.cpp b/sources/reactphysics3d/Vector3D.cpp
deleted file mode 100644
index bdd0b7b3..00000000
--- a/sources/reactphysics3d/Vector3D.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-/****************************************************************************
- * Copyright (C) 2009      Daniel Chappuis                                  *
- ****************************************************************************
- * This file is part of ReactPhysics3D.                                     *
- *                                                                          *
- * ReactPhysics3D is free software: you can redistribute it and/or modify   *
- * it under the terms of the GNU General Public License as published by     *
- * the Free Software Foundation, either version 3 of the License, or        *
- * (at your option) any later version.                                      *
- *                                                                          *
- * ReactPhysics3D is distributed in the hope that it will be useful,        *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of           *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             *
- * GNU General Public License for more details.                             *
- *                                                                          *
- * You should have received a copy of the GNU General Public License        *
- * along with ReactPhysics3D. If not, see <http://www.gnu.org/licenses/>.   *
- ***************************************************************************/
-
-// Libraries
-#include "Vector3D.h"
-#include <iostream>
-
-// Namespaces
-using namespace reactphysics3d;
-
-// Constructor of the class Vector3D
-Vector3D::Vector3D()
-         :x(0.0), y(0.0), z(0.0) {
-
-}
-
-// Constructor with arguments
-Vector3D::Vector3D(double x, double y, double z)
-         :x(x), y(y), z(z) {
-
-}
-
-// Copy-constructor
-Vector3D::Vector3D(const Vector3D& vector)
-         :x(vector.x), y(vector.y), z(vector.z) {
-
-}
-
-// Destructor
-Vector3D::~Vector3D() {
-
-}
-
-// Return the corresponding unit vector
-Vector3D Vector3D::getUnit() const throw(MathematicsException) {
-    double lengthVector = length();
-
-    // Check if the length is equal to zero
-    if (lengthVector != 0) {
-        // Compute and return the unit vector
-        double lengthInv = 1.0 / lengthVector;
-        return Vector3D(x * lengthInv, y * lengthInv, z*lengthInv);
-    }
-    else {
-        // Throw an exception because the length of the vector is zero
-        throw MathematicsException("MathematicsException : Impossible to compute the unit vector because the length of the vector is zero");
-    }
-}
-
-// Overloaded operator for addition
-Vector3D Vector3D::operator+(const Vector3D& vector) const {
-    // Compute and return the sum of the two vectors
-    return Vector3D(x + vector.x, y + vector.y, z + vector.z);
-}
-
-// Overloaded operator for substraction
-Vector3D Vector3D::operator-(const Vector3D& vector) const {
-    // Compute and return the substraction of the two vectors
-    return Vector3D(x - vector.x, y - vector.y, z - vector.z);
-}
-
-// Overloaded operator for multiplication with a number
-Vector3D Vector3D::operator*(double number) const {
-    // Compute and return the result
-    return Vector3D(x * number, y * number, z * number);
-}
-
-// Overloaded operator for the assignement to a Vector
-Vector3D& Vector3D::operator=(const Vector3D& vector) {
-    // Check for self-assignment
-    if (this != &vector) {
-        // Copy the vector
-        x = vector.x;
-        y = vector.y;
-        z = vector.z;
-    }
-
-    // Return a reference to the vector
-    return *this;
-}