diff --git a/stdlib/3/ast.pyi b/stdlib/3/ast.pyi
index e385ec8a3..7f2f33583 100644
--- a/stdlib/3/ast.pyi
+++ b/stdlib/3/ast.pyi
@@ -27,5 +27,3 @@ def iter_child_nodes(node: AST) -> Iterator[AST]: ...
 def iter_fields(node: AST) -> Iterator[_typing.Tuple[str, Any]]: ...
 def literal_eval(node_or_string: Union[str, AST]) -> Any: ...
 def walk(node: AST) -> Iterator[AST]: ...
-
-PyCF_ONLY_AST = ...  # type: int