Remove deprecated features marked as RemovedInSphinx40Warning

1 files changed, 0 insertions, 42 deletions

diff --git a/sphinx/builders/htmlhelp.py b/sphinx/builders/htmlhelp.py
deleted file mode 100644
index 8732de7fd..000000000
--- a/sphinx/builders/htmlhelp.py
+++ /dev/null
@@ -1,42 +0,0 @@
-"""
-    sphinx.builders.htmlhelp
-    ~~~~~~~~~~~~~~~~~~~~~~~~
-
-    Build HTML help support files.
-    Parts adapted from Python's Doc/tools/prechm.py.
-
-    :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-"""
-
-import warnings
-from typing import Any, Dict
-
-from sphinxcontrib.htmlhelp import (
-    chm_locales, chm_htmlescape, HTMLHelpBuilder, default_htmlhelp_basename
-)
-
-from sphinx.application import Sphinx
-from sphinx.deprecation import RemovedInSphinx40Warning, deprecated_alias
-
-
-deprecated_alias('sphinx.builders.htmlhelp',
-                 {
-                     'chm_locales': chm_locales,
-                     'chm_htmlescape': chm_htmlescape,
-                     'HTMLHelpBuilder': HTMLHelpBuilder,
-                     'default_htmlhelp_basename': default_htmlhelp_basename,
-                 },
-                 RemovedInSphinx40Warning)
-
-
-def setup(app: Sphinx) -> Dict[str, Any]:
-    warnings.warn('sphinx.builders.htmlhelp has been moved to sphinxcontrib-htmlhelp.',
-                  RemovedInSphinx40Warning)
-    app.setup_extension('sphinxcontrib.htmlhelp')
-
-    return {
-        'version': 'builtin',
-        'parallel_read_safe': True,
-        'parallel_write_safe': True,
-    }