diff --git a/doc/extdev/appapi.rst b/doc/extdev/appapi.rst
index 49081ee9e35..961558600af 100644
--- a/doc/extdev/appapi.rst
+++ b/doc/extdev/appapi.rst
@@ -45,7 +45,6 @@ package.
 
 .. automethod:: Sphinx.add_enumerable_node(node, figtype, title_getter=None, \*\*kwds)
 
-.. method:: Sphinx.add_directive(name, func, content, arguments, \*\*options)
 .. automethod:: Sphinx.add_directive(name, directiveclass)
 
 .. automethod:: Sphinx.add_role(name, role)
@@ -54,7 +53,6 @@ package.
 
 .. automethod:: Sphinx.add_domain(domain)
 
-.. method:: Sphinx.add_directive_to_domain(domain, name, func, content, arguments, \*\*options)
 .. automethod:: Sphinx.add_directive_to_domain(domain, name, directiveclass)
 
 .. automethod:: Sphinx.add_role_to_domain(domain, name, role)
@@ -107,6 +105,7 @@ Emitting events
 ---------------
 
 .. class:: Sphinx
+   :noindex:
 
    .. automethod:: emit(event, \*arguments)
 
diff --git a/doc/templating.rst b/doc/templating.rst
index fd0f6b637de..1f4bef9c83d 100644
--- a/doc/templating.rst
+++ b/doc/templating.rst
@@ -227,6 +227,7 @@ them to generate links or output multiply used elements.
    documents.
 
 .. function:: pathto(file, 1)
+   :noindex:
 
    Return the path to a *file* which is a filename relative to the root of the
    generated output.  Use this to refer to static files.
@@ -413,10 +414,6 @@ are in HTML form), these variables are also available:
    nonempty if the :confval:`html_copy_source` value is ``True``.
    This has empty value on creating automatically-generated files.
 
-.. data:: title
-
-   The page title.
-
 .. data:: toc
 
    The local table of contents for the current page, rendered as HTML bullet
diff --git a/doc/usage/extensions/autosummary.rst b/doc/usage/extensions/autosummary.rst
index fedc0a3cfa1..cedc8a42f7c 100644
--- a/doc/usage/extensions/autosummary.rst
+++ b/doc/usage/extensions/autosummary.rst
@@ -273,6 +273,7 @@ Additionally, the following filters are available
    replaces the builtin Jinja `escape filter`_ that does html-escaping.
 
 .. function:: underline(s, line='=')
+   :noindex:
 
    Add a title underline to a piece of text.