diff --git a/CHANGES b/CHANGES
index 43063b94..45b5baaa 100755
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,6 @@
 ------------------------------------------------------------------------
 
-CHANGE NOTES FOR 0.9.3 (STARTED Oct 10, 2019), (RELEASED: -)
+CHANGE NOTES FOR 0.9.3 (STARTED Oct 10, 2019), (RELEASED: Dev 23, 2019)
 
 ------------------------------------------------------------------------
 
diff --git a/PKG-INFO.rst b/PKG-INFO.rst
index eab0c0ac..9bfc4ca6 100755
--- a/PKG-INFO.rst
+++ b/PKG-INFO.rst
@@ -11,7 +11,7 @@ Linux, Windows and MacOS operating systems.
 
 Official repository: https://github.com/annoviko/pyclustering/
 
-Documentation: https://pyclustering.github.io/docs/0.9.2/html/
+Documentation: https://pyclustering.github.io/docs/0.9.3/html/
 
 Dependencies
 ============
@@ -175,6 +175,6 @@ BibTeX entry:
 
 
 .. |Documentation| image:: https://codedocs.xyz/annoviko/pyclustering.svg
-   :target: https://codedocs.xyz/annoviko/pyclustering/
+   :target: https://pyclustering.github.io/docs/0.9.3/html/
 .. |JOSS| image:: http://joss.theoj.org/papers/10.21105/joss.01230/status.svg
    :target: https://doi.org/10.21105/joss.01230
diff --git a/README.rst b/README.rst
index b50e06dd..d1faab5f 100755
--- a/README.rst
+++ b/README.rst
@@ -15,7 +15,7 @@ Linux, Windows and MacOS operating systems.
 
 **E-Mail**: pyclustering@yandex.ru
 
-**Documentation**: https://pyclustering.github.io/docs/0.9.2/html/index.html
+**Documentation**: https://pyclustering.github.io/docs/0.9.3/html/index.html
 
 **Homepage**: https://pyclustering.github.io/
 
@@ -109,13 +109,13 @@ PyClustering Status
 ===================
 
 +----------------------+------------------------------+------------------------------------+--------------------------------+
-| Branch               | master                       | 0.9.dev                            | 0.9.2.rel                      |
+| Branch               | master                       | 0.9.dev                            | 0.9.3.rel                      |
 +======================+==============================+====================================+================================+
-| Build (Linux, MacOS) | |Build Status Linux MacOS|   | |Build Status Linux MacOS 0.9.dev| | |Build Status Linux 0.9.2.rel| |
+| Build (Linux, MacOS) | |Build Status Linux MacOS|   | |Build Status Linux MacOS 0.9.dev| | |Build Status Linux 0.9.3.rel| |
 +----------------------+------------------------------+------------------------------------+--------------------------------+
-| Build (Win)          | |Build Status Win|           | |Build Status Win 0.9.dev|         | |Build Status Win 0.9.2.rel|   |
+| Build (Win)          | |Build Status Win|           | |Build Status Win 0.9.dev|         | |Build Status Win 0.9.3.rel|   |
 +----------------------+------------------------------+------------------------------------+--------------------------------+
-| Code Coverage        | |Coverage Status|            | |Coverage Status 0.9.dev|          | |Coverage Status 0.9.2.rel|    |
+| Code Coverage        | |Coverage Status|            | |Coverage Status 0.9.dev|          | |Coverage Status 0.9.3.rel|    |
 +----------------------+------------------------------+------------------------------------+--------------------------------+
 
 
@@ -465,12 +465,12 @@ Illustrations
    :target: https://ci.appveyor.com/project/annoviko/pyclustering/branch/0.9.dev
 .. |Coverage Status 0.9.dev| image:: https://coveralls.io/repos/github/annoviko/pyclustering/badge.svg?branch=0.9.dev&ts=1
    :target: https://coveralls.io/github/annoviko/pyclustering?branch=0.9.dev
-.. |Build Status Linux 0.9.2.rel| image:: https://travis-ci.org/annoviko/pyclustering.svg?branch=0.9.2.rel
+.. |Build Status Linux 0.9.3.rel| image:: https://travis-ci.org/annoviko/pyclustering.svg?branch=0.9.3.rel
    :target: https://travis-ci.org/annoviko/pyclustering
-.. |Build Status Win 0.9.2.rel| image:: https://ci.appveyor.com/api/projects/status/4uly2exfp49emwn0/branch/0.9.2.rel?svg=true
-   :target: https://ci.appveyor.com/project/annoviko/pyclustering/branch/0.9.2.rel
-.. |Coverage Status 0.9.2.rel| image:: https://coveralls.io/repos/github/annoviko/pyclustering/badge.svg?branch=0.9.2.rel&ts=1
-   :target: https://coveralls.io/github/annoviko/pyclustering?branch=0.9.2.rel
+.. |Build Status Win 0.9.3.rel| image:: https://ci.appveyor.com/api/projects/status/4uly2exfp49emwn0/branch/0.9.3.rel?svg=true
+   :target: https://ci.appveyor.com/project/annoviko/pyclustering/branch/0.9.3.rel
+.. |Coverage Status 0.9.3.rel| image:: https://coveralls.io/repos/github/annoviko/pyclustering/badge.svg?branch=0.9.3.rel&ts=1
+   :target: https://coveralls.io/github/annoviko/pyclustering?branch=0.9.3.rel
 .. |Download Counter| image:: https://pepy.tech/badge/pyclustering
    :target: https://pepy.tech/project/pyclustering
 .. |JOSS| image:: http://joss.theoj.org/papers/10.21105/joss.01230/status.svg
diff --git a/ccore/include/pyclustering/container/cftree.hpp b/ccore/include/pyclustering/container/cftree.hpp
deleted file mode 100755
index 53a15900..00000000
--- a/ccore/include/pyclustering/container/cftree.hpp
+++ /dev/null
@@ -1,6 +0,0 @@
-#pragma once
-
-
-class cfnode {
-
-};
\ No newline at end of file
diff --git a/ccore/src/container/cftree.cpp b/ccore/src/container/cftree.cpp
deleted file mode 100755
index e69de29b..00000000
diff --git a/pyclustering/container/cftree.py b/pyclustering/container/cftree.py
index c5ca2aa9..7ad227b3 100755
--- a/pyclustering/container/cftree.py
+++ b/pyclustering/container/cftree.py
@@ -434,7 +434,6 @@ def __init__(self, feature, parent, successors):
         @param[in] feature (cfentry): Clustering feature of the created node.
         @param[in] parent (non_leaf_node): Parent of the created node.
         @param[in] successors (list): List of successors of the node.
-        @param[in] payload (*): Data that is stored by the node.
         
         """
                 
diff --git a/setup.py b/setup.py
index 8cb75d68..18a7950f 100755
--- a/setup.py
+++ b/setup.py
@@ -38,14 +38,14 @@ def load_readme():
 setup(
       name='pyclustering',
       packages=find_packages(),
-      version='0.9.2',
+      version='0.9.3',
       description='pyclustring is a python data mining library',
       long_description=load_readme(),
       url='https://github.com/annoviko/pyclustering',
       project_urls={
                      'Homepage': 'https://pyclustering.github.io/',
                      'Repository': 'https://github.com/annoviko/pyclustering',
-                     'Documentation': 'https://pyclustering.github.io/docs/0.9.2/html/index.html',
+                     'Documentation': 'https://pyclustering.github.io/docs/0.9.3/html/index.html',
                      'Bug Tracker': 'https://github.com/annoviko/pyclustering/issues'
                    },
       license='GNU Public License',