diff --git a/pyproject.toml b/pyproject.toml
index f0b25c135..afe358ade 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -251,7 +251,6 @@ module = [
     "sphinx.domains.cpp",
     "sphinx.events",
     "sphinx.ext.autodoc",
-    "sphinx.ext.autodoc.directive",
     "sphinx.ext.autodoc.importer",
     "sphinx.ext.autosummary.generate",
     "sphinx.ext.doctest",
diff --git a/sphinx/ext/autodoc/directive.py b/sphinx/ext/autodoc/directive.py
index 9b0bf66a0..57af4c5c6 100644
--- a/sphinx/ext/autodoc/directive.py
+++ b/sphinx/ext/autodoc/directive.py
@@ -31,14 +31,14 @@ AUTODOC_EXTENDABLE_OPTIONS = ['members', 'private-members', 'special-members',
                               'exclude-members']
 
 
-class DummyOptionSpec(dict):
+class DummyOptionSpec(dict[str, Callable[[str], str]]):
     """An option_spec allows any options."""
 
     def __bool__(self) -> bool:
         """Behaves like some options are defined."""
         return True
 
-    def __getitem__(self, key: str) -> Callable[[str], str]:
+    def __getitem__(self, _key: str) -> Callable[[str], str]:
         return lambda x: x
 
 
@@ -56,8 +56,9 @@ class DocumenterBridge:
         self.state = state
 
 
-def process_documenter_options(documenter: type[Documenter], config: Config, options: dict,
-                               ) -> Options:
+def process_documenter_options(
+    documenter: type[Documenter], config: Config, options: dict[str, str],
+) -> Options:
     """Recognize options of Documenter from user input."""
     default_options = config.autodoc_default_options
     for name in AUTODOC_DEFAULT_OPTIONS: