diff --git a/sphinx/util/__init__.py b/sphinx/util/__init__.py
index f31c34e18..d7dd6d95f 100644
--- a/sphinx/util/__init__.py
+++ b/sphinx/util/__init__.py
@@ -51,7 +51,7 @@ from sphinx.util.matching import patfilter  # noqa
 if False:
     # For type annotation
     from sphinx.application import Sphinx
-    from sphinx.builders import Builder
+
 
 logger = logging.getLogger(__name__)
 
diff --git a/sphinx/util/compat.py b/sphinx/util/compat.py
index 340dd77fa..4f756b0b0 100644
--- a/sphinx/util/compat.py
+++ b/sphinx/util/compat.py
@@ -15,7 +15,6 @@ from typing import Any, Dict
 from docutils.utils import get_source_line
 
 from sphinx import addnodes
-from sphinx.config import Config
 from sphinx.deprecation import RemovedInSphinx40Warning
 from sphinx.transforms import SphinxTransform