diff --git a/pandas-stubs/core/groupby/generic.pyi b/pandas-stubs/core/groupby/generic.pyi
index 754d6b280..ff5c5456e 100644
--- a/pandas-stubs/core/groupby/generic.pyi
+++ b/pandas-stubs/core/groupby/generic.pyi
@@ -215,18 +215,17 @@ class SeriesGroupBy(GroupBy[Series[S2]], Generic[S2, ByT]):
 
 _TT = TypeVar("_TT", bound=Literal[True, False])
 
-# ty ignore needed because of https://github.com/astral-sh/ty/issues/157#issuecomment-3017337945
-class DFCallable1(Protocol[P]):  # ty: ignore[invalid-argument-type]
+class DFCallable1(Protocol[P]):
     def __call__(
         self, df: DataFrame, /, *args: P.args, **kwargs: P.kwargs
     ) -> Scalar | list[Any] | dict[Hashable, Any]: ...
 
-class DFCallable2(Protocol[P]):  # ty: ignore[invalid-argument-type]
+class DFCallable2(Protocol[P]):
     def __call__(
         self, df: DataFrame, /, *args: P.args, **kwargs: P.kwargs
     ) -> DataFrame | Series: ...
 
-class DFCallable3(Protocol[P]):  # ty: ignore[invalid-argument-type]
+class DFCallable3(Protocol[P]):
     def __call__(
         self, df: Iterable[Any], /, *args: P.args, **kwargs: P.kwargs
     ) -> float: ...
diff --git a/pandas-stubs/core/groupby/groupby.pyi b/pandas-stubs/core/groupby/groupby.pyi
index 75d3265b0..e9699eccc 100644
--- a/pandas-stubs/core/groupby/groupby.pyi
+++ b/pandas-stubs/core/groupby/groupby.pyi
@@ -71,9 +71,9 @@ from pandas._typing import (
 from pandas.plotting import PlotAccessor
 
 _ResamplerGroupBy: TypeAlias = (
-    DatetimeIndexResamplerGroupby[NDFrameT]  # ty: ignore[invalid-argument-type]
-    | PeriodIndexResamplerGroupby[NDFrameT]  # ty: ignore[invalid-argument-type]
-    | TimedeltaIndexResamplerGroupby[NDFrameT]  # ty: ignore[invalid-argument-type]
+    DatetimeIndexResamplerGroupby[NDFrameT]
+    | PeriodIndexResamplerGroupby[NDFrameT]
+    | TimedeltaIndexResamplerGroupby[NDFrameT]
 )
 
 class GroupBy(BaseGroupBy[NDFrameT]):
diff --git a/pandas-stubs/core/reshape/pivot.pyi b/pandas-stubs/core/reshape/pivot.pyi
index eb7d9d479..7567ae385 100644
--- a/pandas-stubs/core/reshape/pivot.pyi
+++ b/pandas-stubs/core/reshape/pivot.pyi
@@ -22,9 +22,6 @@ from pandas.core.series import Series
 from pandas._typing import (
     AnyArrayLike,
     ArrayLike,
-    HashableT1,
-    HashableT2,
-    HashableT3,
     Label,
     Scalar,
     ScalarT,
@@ -33,12 +30,16 @@ from pandas._typing import (
 )
 
 _PivotAggCallable: TypeAlias = Callable[[Series], ScalarT]
-
 _PivotAggFunc: TypeAlias = (
     _PivotAggCallable[ScalarT]
     | np.ufunc
     | Literal["mean", "sum", "count", "min", "max", "median", "std", "var"]
 )
+_PivotAggFuncTypes: TypeAlias = (
+    _PivotAggFunc[ScalarT]
+    | Sequence[_PivotAggFunc[ScalarT]]
+    | Mapping[Any, _PivotAggFunc[ScalarT]]
+)
 
 _NonIterableHashable: TypeAlias = (
     str
@@ -53,13 +54,11 @@ _NonIterableHashable: TypeAlias = (
     | pd.Timedelta
 )
 
-_PivotTableIndexTypes: TypeAlias = (
-    Label | Sequence[HashableT1] | Series | Grouper | None
-)
+_PivotTableIndexTypes: TypeAlias = Label | Sequence[Hashable] | Series | Grouper | None
 _PivotTableColumnsTypes: TypeAlias = (
-    Label | Sequence[HashableT2] | Series | Grouper | None
+    Label | Sequence[Hashable] | Series | Grouper | None
 )
-_PivotTableValuesTypes: TypeAlias = Label | Sequence[HashableT3] | None
+_PivotTableValuesTypes: TypeAlias = Label | Sequence[Hashable] | None
 
 _ExtendedAnyArrayLike: TypeAlias = AnyArrayLike | ArrayLike
 _Values: TypeAlias = SequenceNotStr[Any] | _ExtendedAnyArrayLike
@@ -67,18 +66,10 @@ _Values: TypeAlias = SequenceNotStr[Any] | _ExtendedAnyArrayLike
 @overload
 def pivot_table(
     data: DataFrame,
-    values: _PivotTableValuesTypes[
-        Hashable  # ty: ignore[invalid-type-arguments]
-    ] = None,
-    index: _PivotTableIndexTypes[Hashable] = None,  # ty: ignore[invalid-type-arguments]
-    columns: _PivotTableColumnsTypes[
-        Hashable  # ty: ignore[invalid-type-arguments]
-    ] = None,
-    aggfunc: (
-        _PivotAggFunc[Scalar]
-        | Sequence[_PivotAggFunc[Scalar]]
-        | Mapping[Any, _PivotAggFunc[Scalar]]
-    ) = "mean",
+    values: _PivotTableValuesTypes = None,
+    index: _PivotTableIndexTypes = None,
+    columns: _PivotTableColumnsTypes = None,
+    aggfunc: _PivotAggFuncTypes[Scalar] = "mean",
     fill_value: Scalar | None = None,
     margins: bool = False,
     dropna: bool = True,
@@ -91,21 +82,11 @@ def pivot_table(
 @overload
 def pivot_table(
     data: DataFrame,
-    values: _PivotTableValuesTypes[
-        Hashable  # ty: ignore[invalid-type-arguments]
-    ] = None,
+    values: _PivotTableValuesTypes = None,
     *,
     index: Grouper,
-    columns: (
-        _PivotTableColumnsTypes[Hashable]  # ty: ignore[invalid-type-arguments]
-        | np_ndarray
-        | Index[Any]
-    ) = None,
-    aggfunc: (
-        _PivotAggFunc[Scalar]
-        | Sequence[_PivotAggFunc[Scalar]]
-        | Mapping[Any, _PivotAggFunc[Scalar]]
-    ) = "mean",
+    columns: _PivotTableColumnsTypes | np_ndarray | Index[Any] = None,
+    aggfunc: _PivotAggFuncTypes[Scalar] = "mean",
     fill_value: Scalar | None = None,
     margins: bool = False,
     dropna: bool = True,
@@ -116,21 +97,11 @@ def pivot_table(
 @overload
 def pivot_table(
     data: DataFrame,
-    values: _PivotTableValuesTypes[
-        Hashable  # ty: ignore[invalid-type-arguments]
-    ] = None,
-    index: (
-        _PivotTableIndexTypes[Hashable]  # ty: ignore[invalid-type-arguments]
-        | np_ndarray
-        | Index[Any]
-    ) = None,
+    values: _PivotTableValuesTypes = None,
+    index: _PivotTableIndexTypes | np_ndarray | Index[Any] = None,
     *,
     columns: Grouper,
-    aggfunc: (
-        _PivotAggFunc[Scalar]
-        | Sequence[_PivotAggFunc[Scalar]]
-        | Mapping[Any, _PivotAggFunc[Scalar]]
-    ) = "mean",
+    aggfunc: _PivotAggFuncTypes[Scalar] = "mean",
     fill_value: Scalar | None = None,
     margins: bool = False,
     dropna: bool = True,
@@ -141,17 +112,17 @@ def pivot_table(
 def pivot(
     data: DataFrame,
     *,
-    index: _NonIterableHashable | Sequence[HashableT1] = ...,
-    columns: _NonIterableHashable | Sequence[HashableT2] = ...,
-    values: _NonIterableHashable | Sequence[HashableT3] = ...,
+    index: _NonIterableHashable | Sequence[Hashable] = ...,
+    columns: _NonIterableHashable | Sequence[Hashable] = ...,
+    values: _NonIterableHashable | Sequence[Hashable] = ...,
 ) -> DataFrame: ...
 @overload
 def crosstab(
     index: _Values | list[_Values],
     columns: _Values | list[_Values],
     values: _Values,
-    rownames: list[HashableT1] | None = ...,
-    colnames: list[HashableT2] | None = ...,
+    rownames: SequenceNotStr[Hashable] | None = ...,
+    colnames: SequenceNotStr[Hashable] | None = ...,
     *,
     aggfunc: str | np.ufunc | Callable[[Series], float],
     margins: bool = ...,
@@ -164,8 +135,8 @@ def crosstab(
     index: _Values | list[_Values],
     columns: _Values | list[_Values],
     values: None = None,
-    rownames: list[HashableT1] | None = ...,
-    colnames: list[HashableT2] | None = ...,
+    rownames: SequenceNotStr[Hashable] | None = ...,
+    colnames: SequenceNotStr[Hashable] | None = ...,
     aggfunc: None = None,
     margins: bool = ...,
     margins_name: str = ...,
diff --git a/tests/test_pandas.py b/tests/test_pandas.py
index 9e2e87949..c3d237eb9 100644
--- a/tests/test_pandas.py
+++ b/tests/test_pandas.py
@@ -1716,8 +1716,7 @@ def m2(x: pd.Series) -> int:
     colnames: list[tuple[str]] = [("a",)]
     check(
         assert_type(
-            pd.crosstab(a, b, colnames=colnames, rownames=rownames),
-            pd.DataFrame,
+            pd.crosstab(a, b, colnames=colnames, rownames=rownames), pd.DataFrame
         ),
         pd.DataFrame,
     )