diff --git a/builtins/2.7/__builtin__.pyi b/builtins/2.7/__builtin__.pyi
index cbb94f998..12e36a12a 100644
--- a/builtins/2.7/__builtin__.pyi
+++ b/builtins/2.7/__builtin__.pyi
@@ -464,7 +464,7 @@ class function:
     __name__ = ...  # type: str
     __module__ = ...  # type: str
 
-class list(MutableSequence[_T], Reversible[_T], Generic[_T]):
+class list(MutableSequence[_T], Generic[_T]):
     @overload
     def __init__(self) -> None: ...
     @overload
diff --git a/builtins/3/builtins.pyi b/builtins/3/builtins.pyi
index c043eb170..91356e35d 100644
--- a/builtins/3/builtins.pyi
+++ b/builtins/3/builtins.pyi
@@ -438,7 +438,7 @@ class function:
     __module__ = ...  # type: str
     __code__ = ... # type: Any
 
-class list(MutableSequence[_T], Reversible[_T], Generic[_T]):
+class list(MutableSequence[_T], Generic[_T]):
     @overload
     def __init__(self) -> None: ...
     @overload
@@ -578,7 +578,7 @@ class enumerate(Iterator[Tuple[int, _T]], Generic[_T]):
     def __next__(self) -> Tuple[int, _T]: ...
     # TODO __getattribute__
 
-class range(Sequence[int], Reversible[int]):
+class range(Sequence[int]):
     @overload
     def __init__(self, stop: int) -> None: ...
     @overload
diff --git a/stdlib/2.7/typing.pyi b/stdlib/2.7/typing.pyi
index 75c492aac..c5cc78fde 100644
--- a/stdlib/2.7/typing.pyi
+++ b/stdlib/2.7/typing.pyi
@@ -78,19 +78,23 @@ class Iterator(Iterable[_T_co], Generic[_T_co]):
     @abstractmethod
     def next(self) -> _T_co: ...
 
-class Sequence(Sized, Iterable[_T_co], Generic[_T_co]):
+class Container(Generic[_T_co]):
     @abstractmethod
     def __contains__(self, x: object) -> bool: ...
+
+class Sequence(Iterable[_T_co], Container[_T_co], Sized, Reversible[_T_co], Generic[_T_co]):
     @overload
     @abstractmethod
     def __getitem__(self, i: int) -> _T_co: ...
     @overload
     @abstractmethod
     def __getitem__(self, s: slice) -> Sequence[_T_co]: ...
-    @abstractmethod
+    # Mixin methods
     def index(self, x: Any) -> int: ...
-    @abstractmethod
     def count(self, x: Any) -> int: ...
+    def __contains__(self, x: object) -> bool: ...
+    def __iter__(self) -> Iterator[_T_co]: ...
+    def __reversed__(self) -> Iterator[_T_co]: ...
 
 class MutableSequence(Sequence[_T], Generic[_T]):
     @abstractmethod