Drop features and APIs deprecated in 1.8

1 files changed, 1 insertions, 15 deletions

diff --git a/sphinx/util/compat.py b/sphinx/util/compat.py
index 5d8cbb3db..805c17e5d 100644
--- a/sphinx/util/compat.py
+++ b/sphinx/util/compat.py
@@ -14,9 +14,8 @@ import warnings
 from docutils.utils import get_source_line
 
 from sphinx import addnodes
-from sphinx.deprecation import RemovedInSphinx30Warning, RemovedInSphinx40Warning
+from sphinx.deprecation import RemovedInSphinx40Warning
 from sphinx.transforms import SphinxTransform
-from sphinx.util import import_object
 
 if False:
     # For type annotation
@@ -25,18 +24,6 @@ if False:
     from sphinx.config import Config  # NOQA
 
 
-def deprecate_source_parsers(app, config):
-    # type: (Sphinx, Config) -> None
-    if config.source_parsers:
-        warnings.warn('The config variable "source_parsers" is deprecated. '
-                      'Please use app.add_source_parser() API instead.',
-                      RemovedInSphinx30Warning)
-        for suffix, parser in config.source_parsers.items():
-            if isinstance(parser, str):
-                parser = import_object(parser, 'source parser')
-            app.add_source_parser(suffix, parser)
-
-
 def register_application_for_autosummary(app):
     # type: (Sphinx) -> None
     """Register application object to autosummary module.
@@ -69,7 +56,6 @@ class IndexEntriesMigrator(SphinxTransform):
 def setup(app):
     # type: (Sphinx) -> Dict[str, Any]
     app.add_transform(IndexEntriesMigrator)
-    app.connect('config-inited', deprecate_source_parsers)
     app.connect('builder-inited', register_application_for_autosummary)
 
     return {