diff --git a/pandas-stubs/_config/config.pyi b/pandas-stubs/_config/config.pyi
index 3e6eb98f6..2889fc6ea 100644
--- a/pandas-stubs/_config/config.pyi
+++ b/pandas-stubs/_config/config.pyi
@@ -15,7 +15,7 @@ def reset_option(pat: str) -> None: ...
 @overload
 def describe_option(pat: str, _print_desc: Literal[False]) -> str: ...
 @overload
-def describe_option(pat: str, _print_desc: Literal[True] = ...) -> None: ...
+def describe_option(pat: str, _print_desc: Literal[True] = True) -> None: ...
 
 class DictWrapper:
     def __init__(self, d: dict[str, Any], prefix: str = ...) -> None: ...
diff --git a/pandas-stubs/_testing/__init__.pyi b/pandas-stubs/_testing/__init__.pyi
index 81969b55e..3db4eccbb 100644
--- a/pandas-stubs/_testing/__init__.pyi
+++ b/pandas-stubs/_testing/__init__.pyi
@@ -121,7 +121,7 @@ def assert_series_equal(
     obj: str = ...,
     *,
     check_index: Literal[False],
-    check_like: Literal[False] = ...,
+    check_like: Literal[False] = False,
 ) -> None: ...
 @overload
 def assert_series_equal(
@@ -141,7 +141,7 @@ def assert_series_equal(
     atol: float = ...,
     obj: str = ...,
     *,
-    check_index: Literal[True] = ...,
+    check_index: Literal[True] = True,
     check_like: bool = ...,
 ) -> None: ...
 def assert_frame_equal(
diff --git a/pandas-stubs/core/base.pyi b/pandas-stubs/core/base.pyi
index ca81fff38..ea3865add 100644
--- a/pandas-stubs/core/base.pyi
+++ b/pandas-stubs/core/base.pyi
@@ -127,7 +127,7 @@ class IndexOpsMixin(OpsMixin, Generic[S1, GenericT_co]):
     @overload
     def value_counts(
         self,
-        normalize: Literal[False] = ...,
+        normalize: Literal[False] = False,
         sort: bool = ...,
         ascending: bool = ...,
         bins: int | None = ...,
diff --git a/pandas-stubs/core/frame.pyi b/pandas-stubs/core/frame.pyi
index 6e7ab1082..93af6f79d 100644
--- a/pandas-stubs/core/frame.pyi
+++ b/pandas-stubs/core/frame.pyi
@@ -458,7 +458,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: str = ...,
         *,
         into: type[defaultdict],
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> Never: ...
     @overload
     def to_dict(
@@ -466,7 +466,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: Literal["records"],
         *,
         into: _T_MUTABLE_MAPPING_co | type[_T_MUTABLE_MAPPING_co],
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> list[_T_MUTABLE_MAPPING_co]: ...
     @overload
     def to_dict(
@@ -474,7 +474,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: Literal["records"],
         *,
         into: type[dict] = ...,
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> list[dict[Hashable, Any]]: ...
     @overload
     def to_dict(
@@ -482,7 +482,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: Literal["index"],
         *,
         into: defaultdict,
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> defaultdict[Hashable, dict[Hashable, Any]]: ...
     @overload
     def to_dict(
@@ -490,7 +490,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: Literal["index"],
         *,
         into: OrderedDict | type[OrderedDict],
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> OrderedDict[Hashable, dict[Hashable, Any]]: ...
     @overload
     def to_dict(
@@ -498,7 +498,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: Literal["index"],
         *,
         into: type[MutableMapping],
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> MutableMapping[Hashable, dict[Hashable, Any]]: ...
     @overload
     def to_dict(
@@ -506,7 +506,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: Literal["index"],
         *,
         into: type[dict] = ...,
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> dict[Hashable, dict[Hashable, Any]]: ...
     @overload
     def to_dict(
@@ -514,7 +514,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: Literal["dict", "list", "series"] = ...,
         *,
         into: _T_MUTABLE_MAPPING_co | type[_T_MUTABLE_MAPPING_co],
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> _T_MUTABLE_MAPPING_co: ...
     @overload
     def to_dict(
@@ -522,7 +522,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         orient: Literal["dict", "list", "series"] = ...,
         *,
         into: type[dict] = ...,
-        index: Literal[True] = ...,
+        index: Literal[True] = True,
     ) -> dict[Hashable, Any]: ...
     @overload
     def to_dict(
@@ -595,7 +595,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         data_label: _str | None = ...,
         variable_labels: dict[HashableT2, str] | None = ...,
         version: Literal[114, 117, 118, 119] | None = ...,
-        convert_strl: None = ...,
+        convert_strl: None = None,
         compression: CompressionOptions = ...,
         storage_options: StorageOptions = ...,
         value_labels: dict[Hashable, dict[float, str]] | None = ...,
@@ -618,7 +618,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     @overload
     def to_parquet(
         self,
-        path: None = ...,
+        path: None = None,
         *,
         engine: ParquetEngine = ...,
         compression: Literal["snappy", "gzip", "brotli", "lz4", "zstd"] | None = ...,
@@ -639,7 +639,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     @overload
     def to_orc(
         self,
-        path: None = ...,
+        path: None = None,
         *,
         engine: Literal["pyarrow"] = ...,
         index: bool | None = ...,
@@ -696,7 +696,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     @overload
     def to_html(
         self,
-        buf: None = ...,
+        buf: None = None,
         *,
         columns: Sequence[Hashable] | None = ...,
         col_space: ColspaceArgType | None = ...,
@@ -764,7 +764,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     @overload
     def to_xml(
         self,
-        path_or_buffer: None = ...,
+        path_or_buffer: None = None,
         index: bool = ...,
         root_name: str | None = ...,
         row_name: str | None = ...,
@@ -818,7 +818,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         expr: _str,
         *,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         parser: Literal["pandas", "python"] = ...,
         engine: Literal["python", "numexpr"] | None = ...,
         local_dict: dict[_str, Any] | None = ...,
@@ -831,7 +831,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     def eval(self, expr: _str, *, inplace: Literal[True], **kwargs: Any) -> None: ...
     @overload
     def eval(
-        self, expr: _str, *, inplace: Literal[False] = ..., **kwargs: Any
+        self, expr: _str, *, inplace: Literal[False] = False, **kwargs: Any
     ) -> Scalar | np.ndarray | Self | Series: ...
     @overload
     def select_dtypes(
@@ -916,7 +916,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         columns: Renamer | None = ...,
         axis: Axis | None = ...,
         copy: bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         level: Level | None = ...,
         errors: IgnoreRaise = ...,
     ) -> Self: ...
@@ -936,7 +936,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         *,
         axis: Axis | None = ...,
         limit: int = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> Self: ...
     @overload
     def replace(
@@ -953,7 +953,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         to_replace: ReplaceValue | Mapping[HashableT2, ReplaceValue] = ...,
         value: ReplaceValue | Mapping[HashableT3, ReplaceValue] = ...,
         *,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         regex: ReplaceValue | Mapping[HashableT3, ReplaceValue] = ...,
     ) -> Self: ...
     def shift(
@@ -995,7 +995,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         drop: _bool = ...,
         append: _bool = ...,
         verify_integrity: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> Self: ...
     @overload
     def reset_index(
@@ -1017,7 +1017,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         col_level: int | _str = ...,
         col_fill: Hashable = ...,
         drop: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         allow_duplicates: _bool = ...,
         names: Hashable | Sequence[Hashable] = ...,
     ) -> Self: ...
@@ -1044,7 +1044,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         how: AnyAll = ...,
         thresh: int | None = ...,
         subset: ListLikeU | Scalar | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         ignore_index: _bool = ...,
     ) -> Self: ...
     @overload
@@ -1062,7 +1062,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         subset: Hashable | Iterable[Hashable] | None = ...,
         *,
         keep: DropKeep = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         ignore_index: _bool = ...,
     ) -> Self: ...
     def duplicated(
@@ -1093,7 +1093,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         kind: SortKind = ...,
         na_position: NaPosition = ...,
         ignore_index: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         key: ValueKeyFunc = ...,
     ) -> Self: ...
     @overload
@@ -1121,14 +1121,14 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         na_position: NaPosition = ...,
         sort_remaining: _bool = ...,
         ignore_index: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         key: IndexKeyFunc = ...,
     ) -> Self: ...
     @overload
     def value_counts(
         self,
         subset: Sequence[Hashable] | None = ...,
-        normalize: Literal[False] = ...,
+        normalize: Literal[False] = False,
         sort: _bool = ...,
         ascending: _bool = ...,
         dropna: _bool = ...,
@@ -1196,7 +1196,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         by: Scalar,
         level: IndexLabel | None = ...,
-        as_index: Literal[False] = ...,
+        as_index: Literal[False] = False,
         sort: _bool = ...,
         group_keys: _bool = ...,
         observed: _bool | _NoDefaultDoNotUse = ...,
@@ -1218,7 +1218,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         by: DatetimeIndex,
         level: IndexLabel | None = ...,
-        as_index: Literal[False] = ...,
+        as_index: Literal[False] = False,
         sort: _bool = ...,
         group_keys: _bool = ...,
         observed: _bool | _NoDefaultDoNotUse = ...,
@@ -1240,7 +1240,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         by: TimedeltaIndex,
         level: IndexLabel | None = ...,
-        as_index: Literal[False] = ...,
+        as_index: Literal[False] = False,
         sort: _bool = ...,
         group_keys: _bool = ...,
         observed: _bool | _NoDefaultDoNotUse = ...,
@@ -1262,7 +1262,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         by: PeriodIndex,
         level: IndexLabel | None = ...,
-        as_index: Literal[False] = ...,
+        as_index: Literal[False] = False,
         sort: _bool = ...,
         group_keys: _bool = ...,
         observed: _bool | _NoDefaultDoNotUse = ...,
@@ -1284,7 +1284,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         by: IntervalIndex[IntervalT],
         level: IndexLabel | None = ...,
-        as_index: Literal[False] = ...,
+        as_index: Literal[False] = False,
         sort: _bool = ...,
         group_keys: _bool = ...,
         observed: _bool | _NoDefaultDoNotUse = ...,
@@ -1306,7 +1306,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         by: MultiIndex | GroupByObjectNonScalar | None = ...,
         level: IndexLabel | None = ...,
-        as_index: Literal[False] = ...,
+        as_index: Literal[False] = False,
         sort: _bool = ...,
         group_keys: _bool = ...,
         observed: _bool | _NoDefaultDoNotUse = ...,
@@ -1328,7 +1328,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         by: Series[SeriesByT],
         level: IndexLabel | None = ...,
-        as_index: Literal[False] = ...,
+        as_index: Literal[False] = False,
         sort: _bool = ...,
         group_keys: _bool = ...,
         observed: _bool | _NoDefaultDoNotUse = ...,
@@ -1350,7 +1350,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         by: CategoricalIndex | Index | Series,
         level: IndexLabel | None = ...,
-        as_index: Literal[False] = ...,
+        as_index: Literal[False] = False,
         sort: _bool = ...,
         group_keys: _bool = ...,
         observed: _bool | _NoDefaultDoNotUse = ...,
@@ -1389,7 +1389,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         level: IndexLabel = ...,
         dropna: _bool = ...,
         sort: _bool = ...,
-        future_stack: Literal[False] = ...,
+        future_stack: Literal[False] = False,
     ) -> Self | Series: ...
     def explode(
         self, column: Sequence[Hashable], ignore_index: _bool = False
@@ -1453,7 +1453,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         f: Callable[..., ListLikeExceptSeriesAndStr | Series],
         axis: AxisIndex = ...,
         raw: _bool = ...,
-        result_type: None = ...,
+        result_type: None = None,
         args: Any = ...,
         **kwargs: Any,
     ) -> Self: ...
@@ -1464,7 +1464,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         f: Callable[..., S2 | NAType],
         axis: AxisIndex = ...,
         raw: _bool = ...,
-        result_type: None = ...,
+        result_type: None = None,
         args: Any = ...,
         **kwargs: Any,
     ) -> Series[S2]: ...
@@ -1476,7 +1476,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         f: Callable[..., Mapping[Any, Any]],
         axis: AxisIndex = ...,
         raw: _bool = ...,
-        result_type: None = ...,
+        result_type: None = None,
         args: Any = ...,
         **kwargs: Any,
     ) -> Series: ...
@@ -1550,7 +1550,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         # Use S2 (TypeVar without `default=Any`) instead of S1 due to https://github.com/python/mypy/issues/19182.
         f: Callable[..., S2 | NAType],
         raw: _bool = ...,
-        result_type: None = ...,
+        result_type: None = None,
         args: Any = ...,
         *,
         axis: AxisColumn,
@@ -1561,7 +1561,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         f: Callable[..., ListLikeExceptSeriesAndStr | Mapping[Any, Any]],
         raw: _bool = ...,
-        result_type: None = ...,
+        result_type: None = None,
         args: Any = ...,
         *,
         axis: AxisColumn,
@@ -1572,7 +1572,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         f: Callable[..., Series],
         raw: _bool = ...,
-        result_type: None = ...,
+        result_type: None = None,
         args: Any = ...,
         *,
         axis: AxisColumn,
@@ -1894,7 +1894,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         *,
         axis: Axis | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         limit: int | None = ...,
         limit_area: Literal["inside", "outside"] | None = ...,
     ) -> Self: ...
@@ -1905,7 +1905,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         upper: float | None = ...,
         *,
         axis: Axis | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         **kwargs: Any,
     ) -> Self: ...
     @overload
@@ -1915,7 +1915,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         upper: AnyArrayLike | None = ...,
         *,
         axis: Axis = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         **kwargs: Any,
     ) -> Self: ...
     @overload
@@ -1925,14 +1925,14 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         upper: AnyArrayLike = ...,
         *,
         axis: Axis = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         **kwargs: Any,
     ) -> Self: ...
     @overload
     def clip(  # pyright: ignore[reportOverlappingOverload]
         self,
-        lower: None = ...,
-        upper: None = ...,
+        lower: None = None,
+        upper: None = None,
         *,
         axis: Axis | None = ...,
         inplace: Literal[True],
@@ -2057,7 +2057,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         self,
         *,
         axis: Axis | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         limit: int | None = ...,
         limit_area: Literal["inside", "outside"] | None = ...,
     ) -> Self: ...
@@ -2081,11 +2081,11 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     ) -> Self: ...
     def ge(self, other, axis: Axis = "columns", level: Level | None = ...) -> Self: ...
     @overload
-    def get(self, key: Hashable, default: None = ...) -> Series | None: ...
+    def get(self, key: Hashable, default: None = None) -> Series | None: ...
     @overload
     def get(self, key: Hashable, default: _T) -> Series | _T: ...
     @overload
-    def get(self, key: list[Hashable], default: None = ...) -> Self | None: ...
+    def get(self, key: list[Hashable], default: None = None) -> Self | None: ...
     @overload
     def get(self, key: list[Hashable], default: _T) -> Self | _T: ...
     def gt(self, other, axis: Axis = "columns", level: Level | None = ...) -> Self: ...
@@ -2114,7 +2114,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         limit: int | None = ...,
         limit_direction: Literal["forward", "backward", "both"] = ...,
         limit_area: Literal["inside", "outside"] | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         **kwargs: Any,
     ) -> Self: ...
     def keys(self) -> Index: ...
@@ -2166,7 +2166,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         ),
         other: Scalar | Series | DataFrame | Callable | NAType | None = ...,
         *,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         axis: Axis | None = ...,
         level: Level | None = ...,
     ) -> Self: ...
@@ -2297,7 +2297,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         *,
         axis: Axis | None = ...,
         copy: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> Self: ...
     # Rename axis with `index` and/or `columns` and `inplace=True`
     @overload
@@ -2317,7 +2317,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         index: _str | Sequence[_str] | dict[_str | int, _str] | Callable | None = ...,
         columns: _str | Sequence[_str] | dict[_str | int, _str] | Callable | None = ...,
         copy: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> Self: ...
     def rfloordiv(
         self,
@@ -2366,7 +2366,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         step: int | None = ...,
         method: CalculationMethod = ...,
         *,
-        win_type: None = ...,
+        win_type: None = None,
     ) -> Rolling[Self]: ...
     def rpow(
         self,
@@ -2453,7 +2453,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     @overload
     def to_json(
         self,
-        path_or_buf: None = ...,
+        path_or_buf: None = None,
         *,
         orient: Literal["records"],
         date_format: Literal["epoch", "iso"] | None = ...,
@@ -2471,7 +2471,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     @overload
     def to_json(
         self,
-        path_or_buf: None = ...,
+        path_or_buf: None = None,
         *,
         orient: JsonFrameOrient | None = ...,
         date_format: Literal["epoch", "iso"] | None = ...,
@@ -2531,7 +2531,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
     @overload
     def to_string(
         self,
-        buf: None = ...,
+        buf: None = None,
         *,
         columns: Sequence[Hashable] | Index | Series | None = ...,
         col_space: int | list[int] | dict[Hashable, int] | None = ...,
@@ -2623,7 +2623,7 @@ class DataFrame(NDFrame, OpsMixin, _GetItemHack):
         ),
         other=...,
         *,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         axis: Axis | None = ...,
         level: Level | None = ...,
     ) -> Self: ...
diff --git a/pandas-stubs/core/generic.pyi b/pandas-stubs/core/generic.pyi
index 8cc612667..b44df48fe 100644
--- a/pandas-stubs/core/generic.pyi
+++ b/pandas-stubs/core/generic.pyi
@@ -150,7 +150,7 @@ class NDFrame(indexing.IndexingMixin):
     @overload
     def to_markdown(
         self,
-        buf: None = ...,
+        buf: None = None,
         *,
         mode: FileWriteMode | None = ...,
         index: _bool = ...,
@@ -239,7 +239,7 @@ class NDFrame(indexing.IndexingMixin):
     @overload
     def to_latex(
         self,
-        buf: None = ...,
+        buf: None = None,
         columns: list[_str] | None = ...,
         header: _bool | list[_str] = ...,
         index: _bool = ...,
@@ -289,7 +289,7 @@ class NDFrame(indexing.IndexingMixin):
     @overload
     def to_csv(
         self,
-        path_or_buf: None = ...,
+        path_or_buf: None = None,
         sep: _str = ...,
         na_rep: _str = ...,
         float_format: _str | Callable[[object], _str] | None = ...,
@@ -352,7 +352,7 @@ class NDFrame(indexing.IndexingMixin):
     @overload
     def drop(
         self,
-        labels: None = ...,
+        labels: None = None,
         *,
         axis: Axis = ...,
         index: Hashable | Sequence[Hashable] | Index = ...,
@@ -364,7 +364,7 @@ class NDFrame(indexing.IndexingMixin):
     @overload
     def drop(
         self,
-        labels: None = ...,
+        labels: None = None,
         *,
         axis: Axis = ...,
         index: Hashable | Sequence[Hashable] | Index,
@@ -379,8 +379,8 @@ class NDFrame(indexing.IndexingMixin):
         labels: Hashable | Sequence[Hashable] | Index,
         *,
         axis: Axis = ...,
-        index: None = ...,
-        columns: None = ...,
+        index: None = None,
+        columns: None = None,
         level: Level | None = ...,
         inplace: Literal[True],
         errors: IgnoreRaise = ...,
@@ -388,25 +388,25 @@ class NDFrame(indexing.IndexingMixin):
     @overload
     def drop(
         self,
-        labels: None = ...,
+        labels: None = None,
         *,
         axis: Axis = ...,
         index: Hashable | Sequence[Hashable] | Index = ...,
         columns: Hashable | Iterable[Hashable],
         level: Level | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         errors: IgnoreRaise = ...,
     ) -> Self: ...
     @overload
     def drop(
         self,
-        labels: None = ...,
+        labels: None = None,
         *,
         axis: Axis = ...,
         index: Hashable | Sequence[Hashable] | Index,
         columns: Hashable | Iterable[Hashable] = ...,
         level: Level | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         errors: IgnoreRaise = ...,
     ) -> Self: ...
     @overload
@@ -415,10 +415,10 @@ class NDFrame(indexing.IndexingMixin):
         labels: Hashable | Sequence[Hashable] | Index,
         *,
         axis: Axis = ...,
-        index: None = ...,
-        columns: None = ...,
+        index: None = None,
+        columns: None = None,
         level: Level | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         errors: IgnoreRaise = ...,
     ) -> Self: ...
     @overload
diff --git a/pandas-stubs/core/groupby/generic.pyi b/pandas-stubs/core/groupby/generic.pyi
index 76e543ae8..7c058cd79 100644
--- a/pandas-stubs/core/groupby/generic.pyi
+++ b/pandas-stubs/core/groupby/generic.pyi
@@ -132,7 +132,7 @@ class SeriesGroupBy(GroupBy[Series[S2]], Generic[S2, ByT]):
     @overload
     def value_counts(
         self,
-        normalize: Literal[False] = ...,
+        normalize: Literal[False] = False,
         sort: bool = ...,
         ascending: bool = ...,
         bins: int | Sequence[int] | None = ...,
@@ -314,7 +314,7 @@ class DataFrameGroupBy(GroupBy[DataFrame], Generic[ByT, _TT]):
     @overload
     def boxplot(
         self,
-        subplots: Literal[True] = ...,
+        subplots: Literal[True] = True,
         column: IndexLabel | None = ...,
         fontsize: float | str | None = ...,
         rot: float = ...,
@@ -363,7 +363,7 @@ class DataFrameGroupBy(GroupBy[DataFrame], Generic[ByT, _TT]):
     def value_counts(
         self: DataFrameGroupBy[ByT, Literal[True]],
         subset: ListLike | None = ...,
-        normalize: Literal[False] = ...,
+        normalize: Literal[False] = False,
         sort: bool = ...,
         ascending: bool = ...,
         dropna: bool = ...,
@@ -381,7 +381,7 @@ class DataFrameGroupBy(GroupBy[DataFrame], Generic[ByT, _TT]):
     def value_counts(
         self: DataFrameGroupBy[ByT, Literal[False]],
         subset: ListLike | None = ...,
-        normalize: Literal[False] = ...,
+        normalize: Literal[False] = False,
         sort: bool = ...,
         ascending: bool = ...,
         dropna: bool = ...,
@@ -411,7 +411,7 @@ class DataFrameGroupBy(GroupBy[DataFrame], Generic[ByT, _TT]):
         skipna: bool = ...,
         numeric_only: bool = ...,
         *,
-        level: None = ...,
+        level: None = None,
         **kwargs: Any,
     ) -> Series: ...
     @property
diff --git a/pandas-stubs/core/indexes/datetimes.pyi b/pandas-stubs/core/indexes/datetimes.pyi
index 4ff9bc44f..58166f29f 100644
--- a/pandas-stubs/core/indexes/datetimes.pyi
+++ b/pandas-stubs/core/indexes/datetimes.pyi
@@ -158,7 +158,7 @@ def bdate_range(
     normalize: bool = ...,
     name: Hashable | None = ...,
     weekmask: str | None = ...,
-    holidays: None = ...,
+    holidays: None = None,
     inclusive: IntervalClosedType = ...,
 ) -> DatetimeIndex: ...
 @overload
diff --git a/pandas-stubs/core/indexes/interval.pyi b/pandas-stubs/core/indexes/interval.pyi
index 628d588ec..bfad205cd 100644
--- a/pandas-stubs/core/indexes/interval.pyi
+++ b/pandas-stubs/core/indexes/interval.pyi
@@ -336,7 +336,7 @@ def interval_range(
 @overload
 def interval_range(
     *,
-    start: None = ...,
+    start: None = None,
     end: _TimestampLike,
     periods: int | None = ...,
     freq: Frequency | dt.timedelta | None = ...,
@@ -355,7 +355,7 @@ def interval_range(
 @overload
 def interval_range(
     *,
-    start: None = ...,
+    start: None = None,
     end: _TimedeltaLike,
     periods: int | None = ...,
     freq: Frequency | dt.timedelta | None = ...,
diff --git a/pandas-stubs/core/resample.pyi b/pandas-stubs/core/resample.pyi
index e823e5243..91299803e 100644
--- a/pandas-stubs/core/resample.pyi
+++ b/pandas-stubs/core/resample.pyi
@@ -113,7 +113,7 @@ class Resampler(BaseGroupBy[NDFrameT]):
         *,
         axis: Axis = ...,
         limit: int | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         limit_direction: Literal["forward", "backward", "both"] = ...,
         limit_area: Literal["inside", "outside"] | None = ...,
         **kwargs: Any,
diff --git a/pandas-stubs/core/reshape/merge.pyi b/pandas-stubs/core/reshape/merge.pyi
index cf5243cd2..96b7a70dc 100644
--- a/pandas-stubs/core/reshape/merge.pyi
+++ b/pandas-stubs/core/reshape/merge.pyi
@@ -54,8 +54,8 @@ def merge_ordered(
     on: Label | list[HashableT] | None = ...,
     left_on: Label | list[HashableT] | None = ...,
     right_on: Label | list[HashableT] | None = ...,
-    left_by: None = ...,
-    right_by: None = ...,
+    left_by: None = None,
+    right_by: None = None,
     fill_method: Literal["ffill"] | None = ...,
     suffixes: (
         list[str | None] | tuple[str, str] | tuple[None, str] | tuple[str, None]
@@ -69,8 +69,8 @@ def merge_ordered(
     on: Label | list[HashableT] | None = ...,
     left_on: Label | list[HashableT] | None = ...,
     right_on: Label | list[HashableT] | None = ...,
-    left_by: None = ...,
-    right_by: None = ...,
+    left_by: None = None,
+    right_by: None = None,
     fill_method: Literal["ffill"] | None = ...,
     suffixes: Suffixes = ...,
     how: JoinHow = ...,
diff --git a/pandas-stubs/core/reshape/pivot.pyi b/pandas-stubs/core/reshape/pivot.pyi
index 2c2157b3d..8e8382798 100644
--- a/pandas-stubs/core/reshape/pivot.pyi
+++ b/pandas-stubs/core/reshape/pivot.pyi
@@ -138,10 +138,10 @@ def crosstab(
 def crosstab(
     index: list | _ExtendedAnyArrayLike | list[Sequence | _ExtendedAnyArrayLike],
     columns: list | _ExtendedAnyArrayLike | list[Sequence | _ExtendedAnyArrayLike],
-    values: None = ...,
+    values: None = None,
     rownames: list[HashableT1] | None = ...,
     colnames: list[HashableT2] | None = ...,
-    aggfunc: None = ...,
+    aggfunc: None = None,
     margins: bool = ...,
     margins_name: str = ...,
     dropna: bool = ...,
diff --git a/pandas-stubs/core/reshape/tile.pyi b/pandas-stubs/core/reshape/tile.pyi
index da7d83f16..0eed14683 100644
--- a/pandas-stubs/core/reshape/tile.pyi
+++ b/pandas-stubs/core/reshape/tile.pyi
@@ -147,7 +147,7 @@ def cut(
     right: bool = ...,
     *,
     labels: Literal[False],
-    retbins: Literal[False] = ...,
+    retbins: Literal[False] = False,
     precision: int = ...,
     include_lowest: bool = ...,
     duplicates: Literal["raise", "drop"] = ...,
@@ -166,7 +166,7 @@ def cut(
     ),
     right: bool = ...,
     labels: Literal[False] | Sequence[Label] | None = ...,
-    retbins: Literal[False] = ...,
+    retbins: Literal[False] = False,
     precision: int = ...,
     include_lowest: bool = ...,
     duplicates: Literal["raise", "drop"] = ...,
@@ -186,7 +186,7 @@ def cut(
     ),
     right: bool = ...,
     labels: Literal[False] | Sequence[Label] | None = ...,
-    retbins: Literal[False] = ...,
+    retbins: Literal[False] = False,
     precision: int = ...,
     include_lowest: bool = ...,
     duplicates: Literal["raise", "drop"] = ...,
@@ -206,7 +206,7 @@ def cut(
     ),
     right: bool = ...,
     labels: Sequence[Label] | None = ...,
-    retbins: Literal[False] = ...,
+    retbins: Literal[False] = False,
     precision: int = ...,
     include_lowest: bool = ...,
     duplicates: Literal["raise", "drop"] = ...,
@@ -218,7 +218,7 @@ def qcut(
     q: int | Sequence[float] | Series[float] | Index[float] | npt.NDArray,
     *,
     labels: Literal[False],
-    retbins: Literal[False] = ...,
+    retbins: Literal[False] = False,
     precision: int = ...,
     duplicates: Literal["raise", "drop"] = ...,
 ) -> npt.NDArray[np.intp]: ...
@@ -227,7 +227,7 @@ def qcut(
     x: Index | npt.NDArray | Sequence[int] | Sequence[float],
     q: int | Sequence[float] | Series[float] | Index[float] | npt.NDArray,
     labels: Sequence[Label] | None = ...,
-    retbins: Literal[False] = ...,
+    retbins: Literal[False] = False,
     precision: int = ...,
     duplicates: Literal["raise", "drop"] = ...,
 ) -> Categorical: ...
@@ -236,7 +236,7 @@ def qcut(
     x: Series,
     q: int | Sequence[float] | Series[float] | Index[float] | npt.NDArray,
     labels: Literal[False] | Sequence[Label] | None = ...,
-    retbins: Literal[False] = ...,
+    retbins: Literal[False] = False,
     precision: int = ...,
     duplicates: Literal["raise", "drop"] = ...,
 ) -> Series: ...
diff --git a/pandas-stubs/core/series.pyi b/pandas-stubs/core/series.pyi
index 30f9722b7..c05af4813 100644
--- a/pandas-stubs/core/series.pyi
+++ b/pandas-stubs/core/series.pyi
@@ -541,7 +541,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
     def __getitem__(self, idx: Scalar) -> S1: ...
     def __setitem__(self, key, value) -> None: ...
     @overload
-    def get(self, key: Hashable, default: None = ...) -> S1 | None: ...
+    def get(self, key: Hashable, default: None = None) -> S1 | None: ...
     @overload
     def get(self, key: Hashable, default: S1) -> S1: ...
     @overload
@@ -560,9 +560,9 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self,
         level: Sequence[Level] | Level | None = ...,
         *,
-        drop: Literal[False] = ...,
+        drop: Literal[False] = False,
         name: Level = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         allow_duplicates: bool = ...,
     ) -> DataFrame: ...
     @overload
@@ -572,7 +572,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         *,
         drop: Literal[True],
         name: Level = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         allow_duplicates: bool = ...,
     ) -> Series[S1]: ...
     @overload
@@ -602,7 +602,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
     @overload
     def to_string(
         self,
-        buf: None = ...,
+        buf: None = None,
         na_rep: _str = ...,
         float_format: FloatFormatType = ...,
         header: _bool = ...,
@@ -633,7 +633,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
     @overload
     def to_json(
         self,
-        path_or_buf: None = ...,
+        path_or_buf: None = None,
         *,
         orient: Literal["records"],
         date_format: Literal["epoch", "iso"] | None = ...,
@@ -667,7 +667,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
     @overload
     def to_json(
         self,
-        path_or_buf: None = ...,
+        path_or_buf: None = None,
         *,
         orient: JsonSeriesOrient | None = ...,
         date_format: Literal["epoch", "iso"] | None = ...,
@@ -772,7 +772,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
     @overload
     def groupby(
         self,
-        by: None = ...,
+        by: None = None,
         *,
         level: IndexLabel,  # level is required when by=None (passed as keyword)
         as_index: _bool = ...,
@@ -826,7 +826,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self,
         *,
         keep: DropKeep = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         ignore_index: _bool = ...,
     ) -> Series[S1]: ...
     def duplicated(self, keep: DropKeep = "first") -> Series[_bool]: ...
@@ -961,7 +961,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         kind: SortKind = ...,
         na_position: NaPosition = ...,
         ignore_index: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         key: ValueKeyFunc = ...,
     ) -> Series[S1]: ...
     @overload
@@ -989,7 +989,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         na_position: NaPosition = ...,
         sort_remaining: _bool = ...,
         ignore_index: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         key: IndexKeyFunc = ...,
     ) -> Series[S1]: ...
     def argsort(
@@ -1026,7 +1026,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
     def map(
         self,
         arg: Callable[[S1 | NAType], S2 | NAType] | Mapping[S1, S2] | Series[S2],
-        na_action: None = ...,
+        na_action: None = None,
     ) -> Series[S2]: ...
     @overload
     def map(
@@ -1151,7 +1151,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         *,
         axis: Axis | None = ...,
         copy: bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         level: Level | None = ...,
         errors: IgnoreRaise = ...,
     ) -> Self: ...
@@ -1180,7 +1180,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         *,
         axis: AxisIndex = ...,
         limit: int | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> Series[S1]: ...
     @overload
     def replace(
@@ -1198,7 +1198,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         value: ReplaceValue = ...,
         *,
         regex: ReplaceValue = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> Series[S1]: ...
     def shift(
         self,
@@ -1240,7 +1240,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self,
         *,
         axis: AxisIndex = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         how: AnyAll | None = ...,
         ignore_index: _bool = ...,
     ) -> Series[S1]: ...
@@ -1420,7 +1420,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self,
         *,
         axis: AxisIndex | None = 0,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         limit: int | None = ...,
         limit_area: Literal["inside", "outside"] | None = ...,
     ) -> Series[S1]: ...
@@ -1438,7 +1438,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self,
         *,
         axis: AxisIndex | None = 0,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         limit: int | None = ...,
         limit_area: Literal["inside", "outside"] | None = ...,
     ) -> Series[S1]: ...
@@ -1461,7 +1461,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         *,
         axis: AxisIndex | None = 0,
         limit: int | None = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         limit_direction: Literal["forward", "backward", "both"] | None = ...,
         limit_area: Literal["inside", "outside"] | None = ...,
         **kwargs: Any,
@@ -1475,8 +1475,8 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
     @overload
     def clip(  # pyright: ignore[reportOverlappingOverload]
         self,
-        lower: None = ...,
-        upper: None = ...,
+        lower: None = None,
+        upper: None = None,
         *,
         axis: AxisIndex | None = 0,
         inplace: Literal[True],
@@ -1499,7 +1499,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         upper: AnyArrayLike | float | None = ...,
         *,
         axis: AxisIndex | None = 0,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         **kwargs: Any,
     ) -> Series[S1]: ...
     @final
@@ -1568,7 +1568,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         ),
         other=...,
         *,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         axis: AxisIndex | None = 0,
         level: Level | None = ...,
     ) -> Self: ...
@@ -1600,7 +1600,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         ),
         other: Scalar | Series[S1] | DataFrame | Callable | NAType | None = ...,
         *,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
         axis: AxisIndex | None = 0,
         level: Level | None = ...,
     ) -> Series[S1]: ...
@@ -1664,7 +1664,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
     @overload
     def value_counts(  # pyrefly: ignore
         self,
-        normalize: Literal[False] = ...,
+        normalize: Literal[False] = False,
         sort: _bool = ...,
         ascending: _bool = ...,
         bins: int | None = ...,
@@ -4237,7 +4237,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self,
         axis: AxisIndex | None = 0,
         skipna: _bool = True,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> S1: ...
@@ -4246,7 +4246,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: Series[Never],
         axis: AxisIndex | None = ...,
         skipna: _bool = ...,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> float: ...
@@ -4255,7 +4255,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: Series[Timestamp],
         axis: AxisIndex | None = ...,
         skipna: _bool = ...,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> Timestamp: ...
@@ -4264,7 +4264,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: SupportsGetItem[Scalar, SupportsTruedivInt[S2]],
         axis: AxisIndex | None = 0,
         skipna: _bool = True,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> S2: ...
@@ -4273,7 +4273,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: Series[Never],
         axis: AxisIndex | None = 0,
         skipna: _bool = True,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> float: ...
@@ -4282,7 +4282,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: Series[complex],
         axis: AxisIndex | None = 0,
         skipna: _bool = True,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> float: ...
@@ -4291,7 +4291,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: SupportsGetItem[Scalar, SupportsTruedivInt[S2]],
         axis: AxisIndex | None = 0,
         skipna: _bool = True,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> S2: ...
@@ -4300,7 +4300,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: Series[Timestamp],
         axis: AxisIndex | None = 0,
         skipna: _bool = True,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> Timestamp: ...
@@ -4308,7 +4308,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self,
         axis: AxisIndex | None = 0,
         skipna: _bool = True,
-        level: None = ...,
+        level: None = None,
         numeric_only: _bool = False,
         **kwargs: Any,
     ) -> S1: ...
@@ -4389,7 +4389,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         step: int | None = ...,
         method: CalculationMethod = ...,
         *,
-        win_type: None = ...,
+        win_type: None = None,
     ) -> Rolling[Series]: ...
     def rpow(
         self,
@@ -4427,7 +4427,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: Series[complex],
         axis: AxisIndex | None = 0,
         skipna: _bool | None = True,
-        level: None = ...,
+        level: None = None,
         ddof: int = ...,
         numeric_only: _bool = False,
         **kwargs: Any,
@@ -4437,7 +4437,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         self: Series[Timestamp],
         axis: AxisIndex | None = 0,
         skipna: _bool | None = True,
-        level: None = ...,
+        level: None = None,
         ddof: int = ...,
         numeric_only: _bool = False,
         **kwargs: Any,
@@ -4583,7 +4583,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         *,
         axis: AxisIndex | None = 0,
         copy: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> Self: ...
     # Rename axis with `index` and `inplace=True`
     @overload
@@ -4601,7 +4601,7 @@ class Series(IndexOpsMixin[S1], ElementOpsMixin[S1], NDFrame):
         *,
         index: Scalar | ListLike | Callable | dict | None = ...,
         copy: _bool = ...,
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> Self: ...
     def set_axis(self, labels, *, axis: Axis = ..., copy: _bool = ...) -> Self: ...
     @final
diff --git a/pandas-stubs/core/window/ewm.pyi b/pandas-stubs/core/window/ewm.pyi
index ea7e3b0ce..4da054040 100644
--- a/pandas-stubs/core/window/ewm.pyi
+++ b/pandas-stubs/core/window/ewm.pyi
@@ -70,6 +70,6 @@ class OnlineExponentialMovingWindow(ExponentialMovingWindow[NDFrameT]):
         self,
         *args: Any,
         update: NDFrameT | None = ...,
-        update_times: None = ...,
+        update_times: None = None,
         **kwargs: Any,
     ) -> NDFrameT: ...
diff --git a/pandas-stubs/io/clipboards.pyi b/pandas-stubs/io/clipboards.pyi
index ddb78d03a..7f57c2845 100644
--- a/pandas-stubs/io/clipboards.pyi
+++ b/pandas-stubs/io/clipboards.pyi
@@ -180,8 +180,8 @@ def read_clipboard(
     date_parser: Callable = ...,
     dayfirst: bool = ...,
     cache_dates: bool = ...,
-    iterator: Literal[False] = ...,
-    chunksize: None = ...,
+    iterator: Literal[False] = False,
+    chunksize: None = None,
     compression: CompressionOptions = ...,
     thousands: str | None = ...,
     decimal: str = ...,
diff --git a/pandas-stubs/io/formats/style.pyi b/pandas-stubs/io/formats/style.pyi
index 7609cb4a3..02ff658f7 100644
--- a/pandas-stubs/io/formats/style.pyi
+++ b/pandas-stubs/io/formats/style.pyi
@@ -142,7 +142,7 @@ class Styler(StylerRenderer):
     @overload
     def to_latex(
         self,
-        buf: None = ...,
+        buf: None = None,
         *,
         column_format: str | None = ...,
         position: str | None = ...,
@@ -183,7 +183,7 @@ class Styler(StylerRenderer):
     @overload
     def to_html(
         self,
-        buf: None = ...,
+        buf: None = None,
         *,
         table_uuid: str | None = ...,
         table_attributes: str | None = ...,
@@ -213,7 +213,7 @@ class Styler(StylerRenderer):
     @overload
     def to_string(
         self,
-        buf: None = ...,
+        buf: None = None,
         *,
         encoding: str | None = ...,
         sparse_index: bool | None = ...,
diff --git a/pandas-stubs/io/json/_json.pyi b/pandas-stubs/io/json/_json.pyi
index 03659ec37..aabebb978 100644
--- a/pandas-stubs/io/json/_json.pyi
+++ b/pandas-stubs/io/json/_json.pyi
@@ -143,7 +143,7 @@ def read_json(
         | None
     ) = ...,
     lines: bool = ...,
-    chunksize: None = ...,
+    chunksize: None = None,
     compression: CompressionOptions = ...,
     nrows: int | None = ...,
     storage_options: StorageOptions = ...,
@@ -168,7 +168,7 @@ def read_json(
         | None
     ) = ...,
     lines: Literal[True],
-    chunksize: None = ...,
+    chunksize: None = None,
     compression: CompressionOptions = ...,
     nrows: int | None = ...,
     storage_options: StorageOptions = ...,
@@ -193,7 +193,7 @@ def read_json(
         | None
     ) = ...,
     lines: bool = ...,
-    chunksize: None = ...,
+    chunksize: None = None,
     compression: CompressionOptions = ...,
     nrows: int | None = ...,
     storage_options: StorageOptions = ...,
@@ -218,7 +218,7 @@ def read_json(
         | None
     ) = ...,
     lines: Literal[True],
-    chunksize: None = ...,
+    chunksize: None = None,
     compression: CompressionOptions = ...,
     nrows: int | None = ...,
     storage_options: StorageOptions = ...,
diff --git a/pandas-stubs/io/parsers/readers.pyi b/pandas-stubs/io/parsers/readers.pyi
index c3ad7f391..1584c76ab 100644
--- a/pandas-stubs/io/parsers/readers.pyi
+++ b/pandas-stubs/io/parsers/readers.pyi
@@ -205,8 +205,8 @@ def read_csv(
     date_format: dict[Hashable, str] | str | None = ...,
     dayfirst: bool = ...,
     cache_dates: bool = ...,
-    iterator: Literal[False] = ...,
-    chunksize: None = ...,
+    iterator: Literal[False] = False,
+    chunksize: None = None,
     compression: CompressionOptions = ...,
     thousands: str | None = ...,
     decimal: str = ...,
@@ -401,8 +401,8 @@ def read_table(
     date_format: dict[Hashable, str] | str | None = ...,
     dayfirst: bool = ...,
     cache_dates: bool = ...,
-    iterator: Literal[False] = ...,
-    chunksize: None = ...,
+    iterator: Literal[False] = False,
+    chunksize: None = None,
     compression: CompressionOptions = ...,
     thousands: str | None = ...,
     decimal: str = ...,
@@ -459,8 +459,8 @@ def read_fwf(
     infer_nrows: int = ...,
     dtype_backend: DtypeBackend | _NoDefaultDoNotUse = ...,
     date_format: dict[Hashable, str] | str | None = ...,
-    iterator: Literal[False] = ...,
-    chunksize: None = ...,
+    iterator: Literal[False] = False,
+    chunksize: None = None,
     **kwds: Any,
 ) -> DataFrame: ...
 
diff --git a/pandas-stubs/io/pytables.pyi b/pandas-stubs/io/pytables.pyi
index 006620f78..83e36a4fe 100644
--- a/pandas-stubs/io/pytables.pyi
+++ b/pandas-stubs/io/pytables.pyi
@@ -93,8 +93,8 @@ def read_hdf(
     start: int | None = ...,
     stop: int | None = ...,
     columns: list[HashableT] | None = ...,
-    iterator: Literal[False] = ...,
-    chunksize: None = ...,
+    iterator: Literal[False] = False,
+    chunksize: None = None,
     **kwargs: Any,
 ) -> DataFrame | Series: ...
 
@@ -162,8 +162,8 @@ class HDFStore:
         start: int | None = ...,
         stop: int | None = ...,
         columns: list[HashableT] | None = ...,
-        iterator: Literal[False] = ...,
-        chunksize: None = ...,
+        iterator: Literal[False] = False,
+        chunksize: None = None,
         auto_close: bool = ...,
     ) -> DataFrame | Series: ...
     def put(
diff --git a/pandas-stubs/io/sas/sasreader.pyi b/pandas-stubs/io/sas/sasreader.pyi
index 7865aaa64..3cb02546c 100644
--- a/pandas-stubs/io/sas/sasreader.pyi
+++ b/pandas-stubs/io/sas/sasreader.pyi
@@ -54,7 +54,7 @@ def read_sas(
 def read_sas(
     filepath_or_buffer: FilePath | ReadBuffer[bytes],
     *,
-    format: None = ...,
+    format: None = None,
     index: Hashable | None = ...,
     encoding: str | None = ...,
     chunksize: int,
@@ -87,7 +87,7 @@ def read_sas(
 def read_sas(
     filepath_or_buffer: FilePath | ReadBuffer[bytes],
     *,
-    format: None = ...,
+    format: None = None,
     index: Hashable | None = ...,
     encoding: str | None = ...,
     chunksize: int | None = ...,
@@ -101,7 +101,7 @@ def read_sas(
     format: Literal["xport", "sas7bdat"] | None = ...,
     index: Hashable | None = ...,
     encoding: str | None = ...,
-    chunksize: None = ...,
-    iterator: Literal[False] = ...,
+    chunksize: None = None,
+    iterator: Literal[False] = False,
     compression: CompressionOptions = ...,
 ) -> DataFrame: ...
diff --git a/pandas-stubs/io/sql.pyi b/pandas-stubs/io/sql.pyi
index 5dadb15c7..a201e7bd4 100644
--- a/pandas-stubs/io/sql.pyi
+++ b/pandas-stubs/io/sql.pyi
@@ -58,7 +58,7 @@ def read_sql_table(
     coerce_float: bool = ...,
     parse_dates: list[str] | dict[str, str] | dict[str, dict[str, Any]] | None = ...,
     columns: list[str] | None = ...,
-    chunksize: None = ...,
+    chunksize: None = None,
     dtype_backend: DtypeBackend | _NoDefaultDoNotUse = ...,
 ) -> DataFrame: ...
 @overload
@@ -96,7 +96,7 @@ def read_sql_query(
         | None
     ) = ...,
     parse_dates: list[str] | dict[str, str] | dict[str, dict[str, Any]] | None = ...,
-    chunksize: None = ...,
+    chunksize: None = None,
     dtype: DtypeArg | None = ...,
     dtype_backend: DtypeBackend | _NoDefaultDoNotUse = ...,
 ) -> DataFrame: ...
@@ -137,7 +137,7 @@ def read_sql(
     ) = ...,
     parse_dates: list[str] | dict[str, str] | dict[str, dict[str, Any]] | None = ...,
     columns: list[str] | None = ...,
-    chunksize: None = ...,
+    chunksize: None = None,
     dtype: DtypeArg | None = ...,
     dtype_backend: DtypeBackend | _NoDefaultDoNotUse = ...,
 ) -> DataFrame: ...
diff --git a/pandas-stubs/io/stata.pyi b/pandas-stubs/io/stata.pyi
index 9874a0452..ce50b8083 100644
--- a/pandas-stubs/io/stata.pyi
+++ b/pandas-stubs/io/stata.pyi
@@ -67,8 +67,8 @@ def read_stata(
     preserve_dtypes: bool = ...,
     columns: list[HashableT] | None = ...,
     order_categoricals: bool = ...,
-    chunksize: None = ...,
-    iterator: Literal[False] = ...,
+    chunksize: None = None,
+    iterator: Literal[False] = False,
     compression: CompressionOptions = ...,
     storage_options: StorageOptions = ...,
 ) -> DataFrame: ...
diff --git a/pandas-stubs/tseries/holiday.pyi b/pandas-stubs/tseries/holiday.pyi
index f2e0eb036..29547591d 100644
--- a/pandas-stubs/tseries/holiday.pyi
+++ b/pandas-stubs/tseries/holiday.pyi
@@ -58,7 +58,7 @@ class Holiday:
         self,
         start_date: np.integer | float | str | _date | datetime | np.datetime64 | None,
         end_date: np.integer | float | str | _date | datetime | np.datetime64 | None,
-        return_name: Literal[True] = ...,
+        return_name: Literal[True] = True,
     ) -> Series: ...
 
 holiday_calendars: dict[str, type[AbstractHolidayCalendar]]
@@ -86,7 +86,7 @@ class AbstractHolidayCalendar:
         self,
         start: datetime | None = ...,
         end: datetime | None = ...,
-        return_name: Literal[False] = ...,
+        return_name: Literal[False] = False,
     ) -> DatetimeIndex: ...
     @staticmethod
     def merge_class(
@@ -103,7 +103,7 @@ class AbstractHolidayCalendar:
     def merge(
         self,
         other: AbstractHolidayCalendar | type[AbstractHolidayCalendar],
-        inplace: Literal[False] = ...,
+        inplace: Literal[False] = False,
     ) -> list[Holiday]: ...
 
 USMemorialDay: Holiday