diff --git a/tests/ci/docs_check.py b/tests/ci/docs_check.py
index 391c351232b..0063a0cdd20 100644
--- a/tests/ci/docs_check.py
+++ b/tests/ci/docs_check.py
@@ -28,7 +28,6 @@ if __name__ == "__main__":
     )
     parser.add_argument(
         "--docs-branch",
-        required=True,
         default="",
         help="a branch to get from docs repository",
     )