diff --git a/stdlib/2/__builtin__.pyi b/stdlib/2/__builtin__.pyi
index 35ccf90ba..a681ab626 100644
--- a/stdlib/2/__builtin__.pyi
+++ b/stdlib/2/__builtin__.pyi
@@ -92,11 +92,6 @@ class int(SupportsInt, SupportsFloat, SupportsAbs[int]):
     @overload
     def __init__(self, x: Union[str, unicode, bytearray], base: int = ...) -> None: ...
 
-    @overload
-    def __new__(cls: Type[_T1], x: SupportsInt = ...) -> _T1: ...
-    @overload
-    def __new__(cls: Type[_T1], x: Union[str, unicode, bytearray], base: int = ...) -> _T1: ...
-
     def bit_length(self) -> int: ...
 
     def __add__(self, x: int) -> int: ...
@@ -307,7 +302,6 @@ class unicode(basestring, Sequence[unicode]):
 
 class str(basestring, Sequence[str]):
     def __init__(self, object: object = ...) -> None: ...
-    def __new__(cls: Type[_T1], object: object = ...) -> _T1: ...
     def capitalize(self) -> str: ...
     def center(self, width: int, fillchar: str = ...) -> str: ...
     def count(self, x: unicode, __start: Optional[int] = ..., __end: Optional[int] = ...) -> int: ...
diff --git a/stdlib/3.4/enum.pyi b/stdlib/3.4/enum.pyi
index c2115f177..dbb9df3b7 100644
--- a/stdlib/3.4/enum.pyi
+++ b/stdlib/3.4/enum.pyi
@@ -24,11 +24,8 @@ class Enum(metaclass=EnumMeta):
     name = ...  # type: str
     value = ...  # type: Any
 
-_T1 = TypeVar('_T1')
-
-class IntEnum(int, Enum):  # type: ignore
+class IntEnum(int, Enum):
     value = ...  # type: int
-    def __new__(cls: Type[_T1], value: Any) -> _T1: ...
 
 def unique(enumeration: _S) -> _S: ...
 
diff --git a/stdlib/3/builtins.pyi b/stdlib/3/builtins.pyi
index 19586b75d..50d9098e6 100644
--- a/stdlib/3/builtins.pyi
+++ b/stdlib/3/builtins.pyi
@@ -108,11 +108,6 @@ class int(SupportsInt, SupportsFloat, SupportsAbs[int]):
     @overload
     def __init__(self, x: Union[str, bytes], base: int = ...) -> None: ...
 
-    @overload
-    def __new__(cls: Type[_T1], x: SupportsInt = ...) -> _T1: ...
-    @overload
-    def __new__(cls: Type[_T1], x: Union[str, bytes], base: int = ...) -> _T1: ...
-
     def bit_length(self) -> int: ...
     def to_bytes(self, length: int, byteorder: str, *, signed: bool = ...) -> bytes: ...
     @classmethod
@@ -240,11 +235,6 @@ class str(Sequence[str]):
     @overload
     def __init__(self, o: bytes, encoding: str = ..., errors: str = ...) -> None: ...
 
-    @overload
-    def __new__(cls: Type[_T1], o: object = ...) -> _T1: ...
-    @overload
-    def __new__(cls: Type[_T1], o: bytes, encoding: str = ..., errors: str = ...) -> _T1: ...
-
     def capitalize(self) -> str: ...
     def casefold(self) -> str: ...
     def center(self, width: int, fillchar: str = ' ') -> str: ...
diff --git a/third_party/2/enum.pyi b/third_party/2/enum.pyi
index c0b465941..ae8a91c62 100644
--- a/third_party/2/enum.pyi
+++ b/third_party/2/enum.pyi
@@ -16,7 +16,6 @@ class Enum(metaclass=EnumMeta):
     name = ...  # type: str
     value = ...  # type: Any
 
-class IntEnum(int, Enum):  # type: ignore
-    def __new__(cls: Type[_T], value: Any) -> _T: ...
+class IntEnum(int, Enum): ...
 
 def unique(enumeration: _T) -> _T: ...