"class:: toc-title" was a workaround for older Sphinx versions that are
no longer supported.

The canonical way to add a heading to the ToC is to use :caption:.
Do that.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Julien Panis <jpanis@baylibre.com>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
---
 Documentation/misc-devices/index.rst | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/Documentation/misc-devices/index.rst b/Documentation/misc-devices/index.rst
index ecc40fbbcfb8..1fc89d664830 100644
--- a/Documentation/misc-devices/index.rst
+++ b/Documentation/misc-devices/index.rst
@@ -7,11 +7,8 @@ Assorted Miscellaneous Devices Documentation
 This documentation contains information for assorted devices that do not
 fit into other categories.
 
-.. class:: toc-title
-
-	   Table of contents
-
 .. toctree::
+   :caption: Table of contents
    :maxdepth: 2
 
    ad525x_dpot
-- 
2.34.1