1 files changed, 2 insertions, 2 deletions
diff --git a/sphinx/domains/c.py b/sphinx/domains/c.py
index f0c81db7b..3f6a57815 100644
--- a/sphinx/domains/c.py
+++ b/sphinx/domains/c.py
@@ -11,6 +11,7 @@
 
 import re
 import string
+from typing import TYPE_CHECKING
 
 from docutils import nodes
 
@@ -22,8 +23,7 @@ from sphinx.roles import XRefRole
 from sphinx.util.docfields import Field, TypedField
 from sphinx.util.nodes import make_refnode
 
-if False:
-    # For type annotation
+if TYPE_CHECKING:
     from typing import Any, Dict, Iterator, List, Tuple  # NOQA
     from sphinx.application import Sphinx  # NOQA
     from sphinx.builders import Builder  # NOQA