1 files changed, 0 insertions, 64 deletions
diff --git a/sphinx/environment/collectors/indexentries.py b/sphinx/environment/collectors/indexentries.py
deleted file mode 100644
index a4c0450d2..000000000
--- a/sphinx/environment/collectors/indexentries.py
+++ /dev/null
@@ -1,64 +0,0 @@
-"""
-    sphinx.environment.collectors.indexentries
-    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-    Index entries collector for sphinx.environment.
-
-    :copyright: Copyright 2007-2020 by the Sphinx team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
-"""
-
-import warnings
-from typing import Any, Dict, Set
-
-from docutils import nodes
-
-from sphinx import addnodes
-from sphinx.application import Sphinx
-from sphinx.deprecation import RemovedInSphinx40Warning
-from sphinx.environment import BuildEnvironment
-from sphinx.environment.collectors import EnvironmentCollector
-from sphinx.util import split_index_msg, logging
-
-
-logger = logging.getLogger(__name__)
-
-
-class IndexEntriesCollector(EnvironmentCollector):
-    name = 'indices'
-
-    def __init__(self) -> None:
-        warnings.warn('IndexEntriesCollector is deprecated.',
-                      RemovedInSphinx40Warning, stacklevel=2)
-
-    def clear_doc(self, app: Sphinx, env: BuildEnvironment, docname: str) -> None:
-        env.indexentries.pop(docname, None)
-
-    def merge_other(self, app: Sphinx, env: BuildEnvironment,
-                    docnames: Set[str], other: BuildEnvironment) -> None:
-        for docname in docnames:
-            env.indexentries[docname] = other.indexentries[docname]
-
-    def process_doc(self, app: Sphinx, doctree: nodes.document) -> None:
-        docname = app.env.docname
-        entries = app.env.indexentries[docname] = []
-        for node in doctree.traverse(addnodes.index):
-            try:
-                for entry in node['entries']:
-                    split_index_msg(entry[0], entry[1])
-            except ValueError as exc:
-                logger.warning(str(exc), location=node)
-                node.parent.remove(node)
-            else:
-                for entry in node['entries']:
-                    entries.append(entry)
-
-
-def setup(app: Sphinx) -> Dict[str, Any]:
-    app.add_env_collector(IndexEntriesCollector)
-
-    return {
-        'version': 'builtin',
-        'parallel_read_safe': True,
-        'parallel_write_safe': True,
-    }