diff --git a/Documentation/doc/Documentation/Installation.txt b/Documentation/doc/Documentation/Installation.txt
index ac67f2cac42..1f36cd56288 100644
--- a/Documentation/doc/Documentation/Installation.txt
+++ b/Documentation/doc/Documentation/Installation.txt
@@ -551,14 +551,6 @@ and the \ref PkgRidges_3 packages.
 
 The \sc{Eigen} web site is <A HREF="http://eigen.tuxfamily.org">`http://eigen.tuxfamily.org`</A>.
 
-\subsection thirdpartylibQGLViewer libQGLViewer 
-
-libQGLViewer is a 3D widget based on \sc{Qt} 4's `QGLWidget`. In case of \sc{Qt}5 used, libQGLViewer needs to be recompiled with the proper \sc{Qt}5 version.
-
-In \cgal some 3D demos are based on libQGLViewer.
-
-It can be downloaded from <A HREF="http://www.libqglviewer.com/">`http://www.libqglviewer.com/`</A>.
-
 \subsection thirdpartyESBTL ESBTL
 
 The \sc{Esbtl} (Easy Structural Biology Template Library) is a library that allows
@@ -1172,22 +1164,6 @@ Only the <I>directory</I> containing the header files of \sc{Eigen} 3.1 (or grea
 | `EIGEN3_INCLUDE_DIR` | Directory containing the file `signature_of_eigen3_matrix_library` | CMake |
 | `EIGEN3_INC_DIR` | Idem | Environment |
 
-\subsection installation_qgl QGLViewer Library
-
-Some demos require the GLViewer library.
-
-In most cases, if QGLViewer is not automatically found, setting the `QGLVIEWERROOT` 
-environment variable is sufficient. If it is not, you can specify the directory containing 
-the header files and the full pathnames of the release and debug libraries
-
-| Variable             | Description           | Type        |
-| :-                   | :-                    | :-             |
-| `QGLVIEWERROOT` | Root directory of the QGLViewer library | Environment |
-| `QGLVIEWER_INCLUDE_DIR` | Directory containing the `QGLViewer/qglviewer.h` file | CMake |
-| `QGLVIEWER_LIBRARY_RELEASE` | Full pathname to a release build of the QGLViewer library | CMake |
-| `QGLVIEWER_LIBRARY_DEBUG` | Full pathname to a debug build of the QGLViewer library | CMake |
-
-
 \subsection installation_esbtl ESBTL Library
 
 One skin surface example requires the \sc{Esbtl} library in order to read \sc{Pdb} files.
diff --git a/Installation/CHANGES.md b/Installation/CHANGES.md
index 78fc891eea6..24f62265a87 100644
--- a/Installation/CHANGES.md
+++ b/Installation/CHANGES.md
@@ -6,6 +6,12 @@ Release 4.13
 
 Release date: September 2018
 
+###Installation
+
+-   The library CGAL_Qt5 now contains a fork of the version 2.7.0 of libQGLViewer.
+    The corresponding code is in the package GraphicsView.
+    The dependency for the external library libQGLViewer is therefore dropped for all demos.
+
 ### 2D and 3D Linear Geometry Kernel
 -   An operator() that takes a Ray_3 has been added to the concept
     ConstructProjectedPoint 3.