diff --git a/pyproject.toml b/pyproject.toml
index 77ee042a73..9eb3d6a382 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -280,8 +280,6 @@ module = [
     "tests.test_theming.test_theming",
     # tests/test_transforms
     "tests.test_transforms.test_transforms_post_transforms_images",
-    # tests/test_util
-    "tests.test_util.test_util_docutils",
     # tests/test_writers
     "tests.test_writers.test_docutilsconf",
 ]
diff --git a/tests/test_util/test_util_docutils.py b/tests/test_util/test_util_docutils.py
index e44d508bfa..ef281c1852 100644
--- a/tests/test_util/test_util_docutils.py
+++ b/tests/test_util/test_util_docutils.py
@@ -17,6 +17,8 @@ from sphinx.util.docutils import (
 )
 
 if TYPE_CHECKING:
+    from pathlib import Path
+
     from sphinx.builders import Builder
     from sphinx.testing.util import SphinxTestApp
 
@@ -41,7 +43,7 @@ def test_register_node() -> None:
     assert not hasattr(nodes.SparseNodeVisitor, 'depart_custom_node')
 
 
-def test_SphinxFileOutput(tmp_path):
+def test_SphinxFileOutput(tmp_path: Path) -> None:
     content = 'Hello Sphinx World'
 
     # write test.txt at first
@@ -79,16 +81,16 @@ def test_SphinxTranslator(app: SphinxTestApp) -> None:
             self.called: list[str] = []
             super().__init__(document, builder)
 
-        def visit_document(self, node):
+        def visit_document(self, node: nodes.document) -> None:
             pass
 
-        def depart_document(self, node):
+        def depart_document(self, node: nodes.document) -> None:
             pass
 
-        def visit_inline(self, node):
+        def visit_inline(self, node: nodes.inline) -> None:
             self.called.append('visit_inline')
 
-        def depart_inline(self, node):
+        def depart_inline(self, node: nodes.inline) -> None:
             self.called.append('depart_inline')
 
     document = new_document('')