1 files changed, 3 insertions, 20 deletions
diff --git a/sphinx/addnodes.py b/sphinx/addnodes.py
index 33503bb08..5b3dc08c5 100644
--- a/sphinx/addnodes.py
+++ b/sphinx/addnodes.py
@@ -8,16 +8,13 @@
     :license: BSD, see LICENSE for details.
 """
 
-import warnings
 from typing import Any, Dict, List, Sequence
+from typing import TYPE_CHECKING
 
 from docutils import nodes
-from docutils.nodes import Element, Node
+from docutils.nodes import Element
 
-from sphinx.deprecation import RemovedInSphinx40Warning
-
-if False:
-    # For type annotation
+if TYPE_CHECKING:
     from sphinx.application import Sphinx
 
 
@@ -362,20 +359,6 @@ class literal_strong(nodes.strong, not_smartquotable):
     """
 
 
-class abbreviation(nodes.abbreviation):
-    """Node for abbreviations with explanations.
-
-    .. deprecated:: 2.0
-    """
-
-    def __init__(self, rawsource: str = '', text: str = '',
-                 *children: Node, **attributes: Any) -> None:
-        warnings.warn("abbrevition node for Sphinx was replaced by docutils'.",
-                      RemovedInSphinx40Warning, stacklevel=2)
-
-        super().__init__(rawsource, text, *children, **attributes)
-
-
 class manpage(nodes.Inline, nodes.FixedTextElement):
     """Node for references to manpages."""