diff --git a/stdlib/3/configparser.pyi b/stdlib/3/configparser.pyi
index 24f817997ff7..a1fe99b55e11 100644
--- a/stdlib/3/configparser.pyi
+++ b/stdlib/3/configparser.pyi
@@ -69,7 +69,8 @@ class RawConfigParser(_parser):
                  strict: bool = ...,
                  empty_lines_in_values: bool = ...,
                  default_section: str = ...,
-                 interpolation: Optional[Interpolation] = ...) -> None: ...
+                 interpolation: Optional[Interpolation] = ...,
+                 converters: _converters = ...) -> None: ...
 
     def __len__(self) -> int: ...
 
@@ -124,32 +125,18 @@ class RawConfigParser(_parser):
     @overload
     def items(self, section: str, raw: bool = ..., vars: Optional[_section] = ...) -> List[Tuple[str, str]]: ...
 
-    def set(self, section: str, option: str, value: str) -> None: ...
+    def set(self, section: str, option: str, value: Optional[str] = ...) -> None: ...
 
-    def write(self,
-              fileobject: IO[str],
-              space_around_delimiters: bool = ...) -> None: ...
+    def write(self, fp: IO[str], space_around_delimiters: bool = ...) -> None: ...
 
     def remove_option(self, section: str, option: str) -> bool: ...
 
     def remove_section(self, section: str) -> bool: ...
 
-    def optionxform(self, option: str) -> str: ...
+    def optionxform(self, optionstr: str) -> str: ...
 
 
-class ConfigParser(RawConfigParser):
-    def __init__(self,
-                 defaults: Optional[_section] = ...,
-                 dict_type: Type[Mapping[str, str]] = ...,
-                 allow_no_value: bool = ...,
-                 delimiters: Sequence[str] = ...,
-                 comment_prefixes: Sequence[str] = ...,
-                 inline_comment_prefixes: Optional[Sequence[str]] = ...,
-                 strict: bool = ...,
-                 empty_lines_in_values: bool = ...,
-                 default_section: str = ...,
-                 interpolation: Optional[Interpolation] = ...,
-                 converters: _converters = ...) -> None: ...
+class ConfigParser(RawConfigParser): ...
 
 class SafeConfigParser(ConfigParser): ...