1 files changed, 0 insertions, 12 deletions
diff --git a/sphinx/builders/dirhtml.py b/sphinx/builders/dirhtml.py
index 5e6b17259..9365889bd 100644
--- a/sphinx/builders/dirhtml.py
+++ b/sphinx/builders/dirhtml.py
@@ -13,7 +13,6 @@ from typing import Any, Dict
 
 from sphinx.application import Sphinx
 from sphinx.builders.html import StandaloneHTMLBuilder
-from sphinx.deprecation import RemovedInSphinx40Warning, deprecated_alias
 from sphinx.util import logging
 from sphinx.util.osutil import SEP, os_path
 
@@ -46,17 +45,6 @@ class DirectoryHTMLBuilder(StandaloneHTMLBuilder):
         return outfilename
 
 
-# for compatibility
-deprecated_alias('sphinx.builders.html',
-                 {
-                     'DirectoryHTMLBuilder':  DirectoryHTMLBuilder,
-                 },
-                 RemovedInSphinx40Warning,
-                 {
-                     'DirectoryHTMLBuilder': 'sphinx.builders.dirhtml.DirectoryHTMLBuilder',
-                 })
-
-
 def setup(app: Sphinx) -> Dict[str, Any]:
     app.setup_extension('sphinx.builders.html')