diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index 63b3b04d1..78a413d6d 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -1090,7 +1090,7 @@ if sys.version_info >= (3,):
         @overload
         def __init__(self, start: int, stop: int, step: int = ...) -> None: ...
         def count(self, value: int) -> int: ...
-        def index(self, value: int, start: int = ..., stop: Optional[int] = ...) -> int: ...
+        def index(self, value: int) -> int: ...  # type: ignore
         def __len__(self) -> int: ...
         def __contains__(self, o: object) -> bool: ...
         def __iter__(self) -> Iterator[int]: ...
diff --git a/stdlib/2and3/builtins.pyi b/stdlib/2and3/builtins.pyi
index 63b3b04d1..78a413d6d 100644
--- a/stdlib/2and3/builtins.pyi
+++ b/stdlib/2and3/builtins.pyi
@@ -1090,7 +1090,7 @@ if sys.version_info >= (3,):
         @overload
         def __init__(self, start: int, stop: int, step: int = ...) -> None: ...
         def count(self, value: int) -> int: ...
-        def index(self, value: int, start: int = ..., stop: Optional[int] = ...) -> int: ...
+        def index(self, value: int) -> int: ...  # type: ignore
         def __len__(self) -> int: ...
         def __contains__(self, o: object) -> bool: ...
         def __iter__(self) -> Iterator[int]: ...