diff --git a/third_party/2and3/gflags.pyi b/third_party/2and3/gflags.pyi
index eb3c30c2f..a4c487d31 100644
--- a/third_party/2and3/gflags.pyi
+++ b/third_party/2and3/gflags.pyi
@@ -25,7 +25,6 @@ def get_help_width() -> int: ...
 
 GetHelpWidth = get_help_width
 
-def CutCommonSpacePrefix(text) -> str: ...
 def text_wrap(text: str, length: int = ..., indent: str = ..., firstline_indent: str = ..., tabs: str = ...) -> str: ...
 
 TextWrap = text_wrap
@@ -58,7 +57,7 @@ class FlagValues:
     def __setitem__(self, name: str, flag: Flag) -> None: ...
     def __getitem__(self, name: str) -> Flag: ...
     def __getattr__(self, name: str) -> Any: ...
-    def __setattr__(self, name: str, value: Any): ...
+    def __setattr__(self, name: str, value: Any) -> None: ...
     def __delattr__(self, flag_name: str) -> None: ...
     def set_default(self, name: str, value: Any) -> None: ...
     SetDefault = set_default
@@ -177,14 +176,14 @@ def adopt_module_key_flags(module: ModuleType, flag_values: FlagValues = ...) ->
 
 ADOPT_module_key_flags = adopt_module_key_flags
 
-def DEFINE_string(name: str, default: Optional[str], help: str, flag_values: FlagValues = ..., **args: Any): ...
+def DEFINE_string(name: str, default: Optional[str], help: str, flag_values: FlagValues = ..., **args: Any) -> None: ...
 
 class BooleanParser(ArgumentParser):
     def Convert(self, argument: Any) -> bool: ...
     def Parse(self, argument: Any) -> bool: ...
 
 class BooleanFlag(Flag):
-    def __init__(self, name: str, default: Optional[bool], help: str, short_name=..., **args: Any) -> None: ...
+    def __init__(self, name: str, default: Optional[bool], help: str, short_name: str = ..., **args: Any) -> None: ...
 
 def DEFINE_boolean(name: str, default: Optional[bool], help: str, flag_values: FlagValues = ..., **args: Any) -> None: ...
 
@@ -261,11 +260,9 @@ class BaseListParser(ArgumentParser):
 
 class ListParser(BaseListParser):
     def __init__(self) -> None: ...
-    def WriteCustomInfoInXMLFormat(self, outfile: IO[str], indent: str): ...
 
 class WhitespaceSeparatedListParser(BaseListParser):
     def __init__(self) -> None: ...
-    def WriteCustomInfoInXMLFormat(self, outfile: IO[str], indent: str): ...
 
 def DEFINE_list(name: str, default: Optional[List[str]], help: str, flag_values: FlagValues = ..., **args: Any) -> None: ...
 def DEFINE_spaceseplist(
@@ -312,4 +309,4 @@ def DEFINE_multi_enum(
     flag_values: FlagValues = ...,
     case_sensitive: bool = ...,
     **args: Any,
-): ...
+) -> None: ...