diff --git a/CHANGES.rst b/CHANGES.rst
index 31a04e7..c5ae200 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -3,6 +3,7 @@
 
 - Drop support for Python 2.7, 3.5, 3.6.
 - Add support for Python 3.9, 3.10, 3.11, 3.12.
+- Switch to implicit (native) namespace for ``sphinxcontrib``.
 
 
 1.6.0 (2020-04-17)
diff --git a/setup.py b/setup.py
index 685bffa..cac37e5 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 import os
 
 from io import open
-from setuptools import setup, find_packages
+from setuptools import setup
 
 
 here = os.path.dirname(__file__)
@@ -19,7 +19,7 @@
     keywords='sphinx openapi swagger rest api renderer docs redoc',
     author='Ihor Kalnytskyi',
     author_email='ihor@kalnytskyi.com',
-    packages=find_packages(exclude=['docs', 'tests*']),
+    packages=['sphinxcontrib.redoc'],
     include_package_data=True,
     zip_safe=False,
     version='2.0.dev0',
@@ -44,5 +44,4 @@
         'Programming Language :: Python :: 3.11',
         'Programming Language :: Python :: 3.12',
     ],
-    namespace_packages=['sphinxcontrib'],
 )
diff --git a/sphinxcontrib/__init__.py b/sphinxcontrib/__init__.py
deleted file mode 100644
index 9dee192..0000000
--- a/sphinxcontrib/__init__.py
+++ /dev/null
@@ -1,12 +0,0 @@
-"""
-    sphinxcontrib
-    ~~~~~~~~~~~~~
-
-    This package is a namespace package that contains all extensions
-    distributed in the ``sphinx-contrib`` distribution.
-
-    :copyright: (c) 2017 by Ihor Kalnytskyi.
-    :license: BSD, see LICENSE for details.
-"""
-
-__import__('pkg_resources').declare_namespace(__name__)
diff --git a/sphinxcontrib/redoc.py b/sphinxcontrib/redoc/__init__.py
similarity index 100%
rename from sphinxcontrib/redoc.py
rename to sphinxcontrib/redoc/__init__.py
diff --git a/sphinxcontrib/redoc.j2 b/sphinxcontrib/redoc/redoc.j2
similarity index 100%
rename from sphinxcontrib/redoc.j2
rename to sphinxcontrib/redoc/redoc.j2
diff --git a/sphinxcontrib/redoc.js b/sphinxcontrib/redoc/redoc.js
similarity index 100%
rename from sphinxcontrib/redoc.js
rename to sphinxcontrib/redoc/redoc.js