diff --git a/modules/viz/doc/viz3d.rst b/modules/viz/doc/viz3d.rst
index 79e262bb91..2f8dfcd9d0 100644
--- a/modules/viz/doc/viz3d.rst
+++ b/modules/viz/doc/viz3d.rst
@@ -76,68 +76,6 @@ Checks **point** for nan
 
         :param p: return true if **any** of the elements of the point is *nan*.
 
-viz::VizAccessor
-----------------
-.. ocv:class:: VizAccessor
-
-A singleton class that provides access by name infrastructure for 3D visualization windows. ::
-
-    class CV_EXPORTS VizAccessor
-    {
-    public:
-        static VizAccessor & getInstance();
-        static void release();
-
-        Viz3d get(const String &window_name);
-
-        //! window names automatically have Viz - prefix even though not provided by the users
-        static void generateWindowName(const String &window_name, String &output);
-
-    private:
-        /* hidden */
-    };
-
-viz::VizAccessor::getInstance
------------------------------
-Returns the single instance of VizAccessor.
-
-.. ocv:function:: static VizAccessor & getInstance()
-
-viz::VizAccessor::release
--------------------------
-Deletes the single instance of VizAccessor.
-
-.. ocv:function:: static void release()
-
-viz::VizAccessor::get
----------------------
-Retrieves a window by its name.
-
-.. ocv:function:: Viz3d get(const String &window_name)
-
-    :param window_name: Name of the window that is to be retrieved.
-
-This function returns a :ocv:class:`Viz3d` object with the given name.
-
-.. note:: If the window with that name already exists, that window is returned. Otherwise, new window is created with the given name, and it is returned.
-
-.. note:: Window names are automatically prefixed by "Viz - " if it is not done by the user.
-
-          .. code-block:: cpp
-
-                /// window and window_2 are the same windows.
-                viz::Viz3d window   = viz::get("myWindow");
-                viz::Viz3d window_2 = viz::get("Viz - myWindow");
-
-viz::VizAccessor::generateWindowName
-------------------------------------
-Generates a window name by prefixing "Viz - " if it has not already been prefixed.
-
-.. ocv:function:: static void generateWindowName(const String &window_name, String &output)
-
-    :param window_name: Window name
-    :param output: Prefixed window name
-
 viz::Viz3d
 ----------
 .. ocv:class:: Viz3d