Remove deprecated features marked as RemovedInSphinx40Warning

1 files changed, 0 insertions, 8 deletions

diff --git a/sphinx/util/nodes.py b/sphinx/util/nodes.py
index 35594c087..1d92ce836 100644
--- a/sphinx/util/nodes.py
+++ b/sphinx/util/nodes.py
@@ -10,7 +10,6 @@
 
 import re
 import unicodedata
-import warnings
 from typing import Any, Callable, Iterable, List, Set, Tuple, Type
 from typing import TYPE_CHECKING, cast
 
@@ -21,7 +20,6 @@ from docutils.parsers.rst.states import Inliner
 from docutils.statemachine import StringList
 
 from sphinx import addnodes
-from sphinx.deprecation import RemovedInSphinx40Warning
 from sphinx.locale import __
 from sphinx.util import logging
 
@@ -276,12 +274,6 @@ def extract_messages(doctree: Element) -> Iterable[Tuple[Element, str]]:
             yield node, msg
 
 
-def find_source_node(node: Element) -> str:
-    warnings.warn('find_source_node() is deprecated.',
-                  RemovedInSphinx40Warning)
-    return get_node_source(node)
-
-
 def get_node_source(node: Element) -> str:
     for pnode in traverse_parent(node):
         if pnode.source: