1 files changed, 0 insertions, 46 deletions
diff --git a/sphinx/util/jsonimpl.py b/sphinx/util/jsonimpl.py
deleted file mode 100644
index 35501f03a..000000000
--- a/sphinx/util/jsonimpl.py
+++ /dev/null
@@ -1,46 +0,0 @@
-"""
-    sphinx.util.jsonimpl
-    ~~~~~~~~~~~~~~~~~~~~
-
-    JSON serializer implementation wrapper.
-
-    :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-"""
-
-import json
-import warnings
-from collections import UserString
-from typing import Any, IO
-
-from sphinx.deprecation import RemovedInSphinx40Warning
-
-
-warnings.warn('sphinx.util.jsonimpl is deprecated',
-              RemovedInSphinx40Warning, stacklevel=2)
-
-
-class SphinxJSONEncoder(json.JSONEncoder):
-    """JSONEncoder subclass that forces translation proxies."""
-    def default(self, obj: Any) -> str:
-        if isinstance(obj, UserString):
-            return str(obj)
-        return super().default(obj)
-
-
-def dump(obj: Any, fp: IO, *args: Any, **kwargs: Any) -> None:
-    kwargs['cls'] = SphinxJSONEncoder
-    json.dump(obj, fp, *args, **kwargs)
-
-
-def dumps(obj: Any, *args: Any, **kwargs: Any) -> str:
-    kwargs['cls'] = SphinxJSONEncoder
-    return json.dumps(obj, *args, **kwargs)
-
-
-def load(*args: Any, **kwargs: Any) -> Any:
-    return json.load(*args, **kwargs)
-
-
-def loads(*args: Any, **kwargs: Any) -> Any:
-    return json.loads(*args, **kwargs)