Remove deprecated features marked as RemovedInSphinx40Warning

1 files changed, 0 insertions, 37 deletions

diff --git a/sphinx/ext/imgmath.py b/sphinx/ext/imgmath.py
index 911445a54..90271a6ee 100644
--- a/sphinx/ext/imgmath.py
+++ b/sphinx/ext/imgmath.py
@@ -27,7 +27,6 @@ from sphinx import package_dir
 from sphinx.application import Sphinx
 from sphinx.builders import Builder
 from sphinx.config import Config
-from sphinx.deprecation import RemovedInSphinx40Warning, deprecated_alias
 from sphinx.errors import SphinxError
 from sphinx.locale import _, __
 from sphinx.util import logging
@@ -59,33 +58,6 @@ class InvokeError(SphinxError):
 
 SUPPORT_FORMAT = ('png', 'svg')
 
-DOC_HEAD = r'''
-\documentclass[12pt]{article}
-\usepackage[utf8x]{inputenc}
-\usepackage{amsmath}
-\usepackage{amsthm}
-\usepackage{amssymb}
-\usepackage{amsfonts}
-\usepackage{anyfontsize}
-\usepackage{bm}
-\pagestyle{empty}
-'''
-
-DOC_BODY = r'''
-\begin{document}
-\fontsize{%d}{%d}\selectfont %s
-\end{document}
-'''
-
-DOC_BODY_PREVIEW = r'''
-\usepackage[active]{preview}
-\begin{document}
-\begin{preview}
-\fontsize{%s}{%s}\selectfont %s
-\end{preview}
-\end{document}
-'''
-
 depth_re = re.compile(r'\[\d+ depth=(-?\d+)\]')
 depthsvg_re = re.compile(r'.*, depth=(.*)pt')
 depthsvgcomment_re = re.compile(r'<!-- DEPTH=(-?\d+) -->')
@@ -371,15 +343,6 @@ def html_visit_displaymath(self: HTMLTranslator, node: nodes.math_block) -> None
     raise nodes.SkipNode
 
 
-deprecated_alias('sphinx.ext.imgmath',
-                 {
-                     'DOC_BODY': DOC_BODY,
-                     'DOC_BODY_PREVIEW': DOC_BODY_PREVIEW,
-                     'DOC_HEAD': DOC_HEAD,
-                 },
-                 RemovedInSphinx40Warning)
-
-
 def setup(app: Sphinx) -> Dict[str, Any]:
     app.add_html_math_renderer('imgmath',
                                (html_visit_math, None),