diff --git a/examples/react/custom-features/src/main.tsx b/examples/react/custom-features/src/main.tsx
index 674390efa7..b699313a12 100644
--- a/examples/react/custom-features/src/main.tsx
+++ b/examples/react/custom-features/src/main.tsx
@@ -186,7 +186,6 @@ function App() {
   const table = useTable({
     _features: { DensityFeature }, //pass our custom feature to the table to be instantiated upon creation
     _rowModels: {
-      Core: createCoreRowModel(),
       Filtered: createFilteredRowModel(),
       Paginated: createPaginatedRowModel(),
       Sorted: createSortedRowModel(),
diff --git a/examples/react/expanding/src/main.tsx b/examples/react/expanding/src/main.tsx
index 51e4c2d6cd..b6b11678d7 100644
--- a/examples/react/expanding/src/main.tsx
+++ b/examples/react/expanding/src/main.tsx
@@ -131,7 +131,6 @@ function App() {
   const table = useTable({
     _features,
     _rowModels: {
-      Core: createCoreRowModel(),
       Filtered: createFilteredRowModel(),
       Paginated: createPaginatedRowModel(),
       Sorted: createSortedRowModel(),
diff --git a/examples/react/filters-faceted/src/main.tsx b/examples/react/filters-faceted/src/main.tsx
index 0f354144bb..2d4cf23e58 100644
--- a/examples/react/filters-faceted/src/main.tsx
+++ b/examples/react/filters-faceted/src/main.tsx
@@ -15,11 +15,15 @@ import {
   createFilteredRowModel,
   createPaginatedRowModel,
   createSortedRowModel,
+  filterFns,
   flexRender,
+  sortingFns,
   tableFeatures,
+  tableFns,
   useTable,
 } from '@tanstack/react-table'
 import { makeData } from './makeData'
+import type { Fns } from '../../../../packages/table-core/dist/esm/types/Fns'
 import type {
   CellData,
   Column,
@@ -38,8 +42,13 @@ const _features = tableFeatures({
   RowSorting,
 })
 
+const _fns = tableFns(_features, {
+  filterFns,
+  sortingFns,
+})
+
 declare module '@tanstack/react-table' {
-  //allows us to define custom properties for our columns
+  // allows us to define custom properties for our columns
   interface ColumnMeta<
     TFeatures extends TableFeatures,
     TFns extends Fns<TFeatures, TFns, TData>,
@@ -55,7 +64,9 @@ function App() {
     [],
   )
 
-  const columns = React.useMemo<Array<ColumnDef<typeof _features, {}, Person>>>(
+  const columns = React.useMemo<
+    Array<ColumnDef<typeof _features, typeof _fns, Person>>
+  >(
     () => [
       {
         accessorKey: 'firstName',
@@ -100,19 +111,19 @@ function App() {
   )
 
   const [data, setData] = React.useState<Array<Person>>(() => makeData(5_000))
-  const refreshData = () => setData((_old) => makeData(100_000)) //stress test
+  const refreshData = () => setData((_old) => makeData(100_000)) // stress test
   const rerender = React.useReducer(() => ({}), {})[1]
 
   const table = useTable({
     _features,
+    _fns,
     _rowModels: {
-      Core: createCoreRowModel(),
-      Filtered: createFilteredRowModel(), //client-side filtering
+      Filtered: createFilteredRowModel(), // client-side filtering
       Paginated: createPaginatedRowModel(),
       Sorted: createSortedRowModel(),
-      Faceted: createFacetedRowModel(), //client-side faceting
-      FacetedMinMax: createFacetedMinMaxValues(), //generate min/max values for range filter
-      FacetedUnique: createFacetedUniqueValues(), //generate unique values for select filter/autocomplete
+      Faceted: createFacetedRowModel(), // client-side faceting
+      FacetedMinMax: createFacetedMinMaxValues(), // generate min/max values for range filter
+      FacetedUnique: createFacetedUniqueValues(), // generate unique values for select filter/autocomplete
     },
     columns,
     data,
@@ -319,7 +330,7 @@ function Filter({ column }: { column: Column<any, Person, unknown> }) {
     >
       <option value="">All</option>
       {sortedUniqueValues.map((value) => (
-        //dynamically generated select options from faceted values feature
+        // dynamically generated select options from faceted values feature
         <option value={value} key={value}>
           {value}
         </option>
diff --git a/examples/react/filters-fuzzy/src/main.tsx b/examples/react/filters-fuzzy/src/main.tsx
index 239ba9567e..7ad5a145be 100644
--- a/examples/react/filters-fuzzy/src/main.tsx
+++ b/examples/react/filters-fuzzy/src/main.tsx
@@ -127,7 +127,6 @@ function App() {
   const table = useTable<typeof _features, Person>({
     _features,
     _rowModels: {
-      Core: createCoreRowModel(),
       Filtered: createFilteredRowModel(),
       Paginated: createPaginatedRowModel(),
       Sorted: createSortedRowModel(),
diff --git a/examples/react/filters/src/main.tsx b/examples/react/filters/src/main.tsx
index 0e9063656c..9ba896c55f 100644
--- a/examples/react/filters/src/main.tsx
+++ b/examples/react/filters/src/main.tsx
@@ -272,7 +272,11 @@ function App() {
   )
 }
 
-function Filter({ column }: { column: Column<any, any, Person, unknown> }) {
+function Filter({
+  column,
+}: {
+  column: Column<typeof _features, typeof _fns, Person, unknown>
+}) {
   const columnFilterValue = column.getFilterValue()
   const { filterVariant } = column.columnDef.meta ?? {}
 
diff --git a/examples/react/full-width-resizable-table/src/main.tsx b/examples/react/full-width-resizable-table/src/main.tsx
index caa826d60e..e26f55db03 100644
--- a/examples/react/full-width-resizable-table/src/main.tsx
+++ b/examples/react/full-width-resizable-table/src/main.tsx
@@ -63,9 +63,7 @@ function App() {
   const data = React.useMemo(() => makeData(20), [])
 
   const table = useTable({
-    _rowModels: {
-      Core: createCoreRowModel(),
-    },
+    _rowModels: {},
     columns,
     data,
     enableColumnResizing: true,
diff --git a/examples/react/full-width-table/src/main.tsx b/examples/react/full-width-table/src/main.tsx
index 460d8d4763..d8dbfef0bc 100644
--- a/examples/react/full-width-table/src/main.tsx
+++ b/examples/react/full-width-table/src/main.tsx
@@ -75,7 +75,6 @@ function App() {
 
   const table = useTable({
     _rowModels: {
-      Core: createCoreRowModel(),
       Paginated: createPaginatedRowModel(),
     },
     columns,
diff --git a/examples/react/fully-controlled/src/main.tsx b/examples/react/fully-controlled/src/main.tsx
index 5c98e58a82..efa8d27c8c 100644
--- a/examples/react/fully-controlled/src/main.tsx
+++ b/examples/react/fully-controlled/src/main.tsx
@@ -84,7 +84,6 @@ function App() {
   // Create the table and pass your options
   const table = useTable({
     _rowModels: {
-      Core: createCoreRowModel(),
       Paginated: createPaginatedRowModel(),
     },
     columns,
diff --git a/examples/react/grouping/src/main.tsx b/examples/react/grouping/src/main.tsx
index 8945f43116..6574da6dc9 100644
--- a/examples/react/grouping/src/main.tsx
+++ b/examples/react/grouping/src/main.tsx
@@ -32,7 +32,6 @@ const tableHelper = createTableHelper({
     RowExpanding,
   },
   _rowModels: {
-    Core: createCoreRowModel(),
     Filtered: createFilteredRowModel(),
     Paginated: createPaginatedRowModel(),
     Sorted: createSortedRowModel(),
diff --git a/examples/react/kitchen-sink/src/App.tsx b/examples/react/kitchen-sink/src/App.tsx
index e6f170111e..526302783b 100644
--- a/examples/react/kitchen-sink/src/App.tsx
+++ b/examples/react/kitchen-sink/src/App.tsx
@@ -88,7 +88,6 @@ export const App = () => {
 
   const table = useTable({
     _rowModels: {
-      Core: createCoreRowModel(),
       Filtered: createFilteredRowModel(),
       Paginated: createPaginatedRowModel(),
       Sorted: createSortedRowModel(),
diff --git a/examples/react/material-ui-pagination/src/main.tsx b/examples/react/material-ui-pagination/src/main.tsx
index f6b55f786c..ecb5d5c56d 100644
--- a/examples/react/material-ui-pagination/src/main.tsx
+++ b/examples/react/material-ui-pagination/src/main.tsx
@@ -114,7 +114,6 @@ function LocalTable({
 }) {
   const table = useTable({
     _rowModels: {
-      Core: createCoreRowModel(),
       Filtered: createFilteredRowModel(),
       Paginated: createPaginatedRowModel(),
     },
diff --git a/examples/react/pagination-controlled/src/main.tsx b/examples/react/pagination-controlled/src/main.tsx
index 86287512d6..97b88693e9 100644
--- a/examples/react/pagination-controlled/src/main.tsx
+++ b/examples/react/pagination-controlled/src/main.tsx
@@ -93,9 +93,7 @@ function App() {
 
   const table = useTable({
     _features: {},
-    _rowModels: {
-      Core: createCoreRowModel(),
-    },
+    _rowModels: {},
     columns,
     data: dataQuery.data?.rows ?? defaultData,
     rowCount: dataQuery.data?.rowCount, //alternatively, just pass in `pageCount` directly
diff --git a/examples/react/pagination/src/main.tsx b/examples/react/pagination/src/main.tsx
index 24735c0666..4d75d34c3c 100644
--- a/examples/react/pagination/src/main.tsx
+++ b/examples/react/pagination/src/main.tsx
@@ -98,7 +98,6 @@ function MyTable({
 
   const table = useTable({
     _rowModels: {
-      Core: createCoreRowModel(),
       Sorted: createSortedRowModel(),
       Filtered: createFilteredRowModel(),
       Paginated: createPaginatedRowModel(),
diff --git a/examples/react/query-router-search-params/src/components/table.tsx b/examples/react/query-router-search-params/src/components/table.tsx
index f8330bbbce..5a5c57bd74 100644
--- a/examples/react/query-router-search-params/src/components/table.tsx
+++ b/examples/react/query-router-search-params/src/components/table.tsx
@@ -37,7 +37,7 @@ export default function Table<T extends Record<string, string | number>>({
   sorting,
 }: Props<T>) {
   const table = useTable({
-    _rowModels: { Core: createCoreRowModel() },
+    _rowModels: {},
     columns,
     data,
     manualFiltering: true,
diff --git a/examples/react/row-dnd/src/main.tsx b/examples/react/row-dnd/src/main.tsx
index 535da9f99e..309c797110 100644
--- a/examples/react/row-dnd/src/main.tsx
+++ b/examples/react/row-dnd/src/main.tsx
@@ -120,9 +120,7 @@ function App() {
 
   const table = useTable({
     _features: {},
-    _rowModels: {
-      Core: createCoreRowModel(),
-    },
+    _rowModels: {},
     columns,
     data,
     getRowId: (row) => row.userId, //required because row indexes will change
diff --git a/examples/react/row-pinning/src/main.tsx b/examples/react/row-pinning/src/main.tsx
index 610618fe1d..4ef558f213 100644
--- a/examples/react/row-pinning/src/main.tsx
+++ b/examples/react/row-pinning/src/main.tsx
@@ -157,7 +157,6 @@ function App() {
   const table = useTable({
     _features,
     _rowModels: {
-      Core: createCoreRowModel(),
       Filtered: createFilteredRowModel(),
       Expanded: createExpandedRowModel(),
       Paginated: createPaginatedRowModel(),
diff --git a/examples/react/row-selection/src/main.tsx b/examples/react/row-selection/src/main.tsx
index 6669213d1c..db205db75a 100644
--- a/examples/react/row-selection/src/main.tsx
+++ b/examples/react/row-selection/src/main.tsx
@@ -113,7 +113,6 @@ function App() {
   const table = useTable({
     _features,
     _rowModels: {
-      Core: createCoreRowModel(),
       Filtered: createFilteredRowModel(),
       Paginated: createPaginatedRowModel(),
     },
diff --git a/examples/react/sorting/src/main.tsx b/examples/react/sorting/src/main.tsx
index 2a7e4d9cf6..2d1e03ac48 100644
--- a/examples/react/sorting/src/main.tsx
+++ b/examples/react/sorting/src/main.tsx
@@ -82,7 +82,6 @@ function App() {
   const table = useTable({
     _features: { RowSorting },
     _rowModels: {
-      Core: createCoreRowModel(),
       Sorted: createSortedRowModel(), //client-side sorting
     },
     columns,
diff --git a/examples/react/sub-components/src/main.tsx b/examples/react/sub-components/src/main.tsx
index 25aa60c53e..3f33865bbf 100644
--- a/examples/react/sub-components/src/main.tsx
+++ b/examples/react/sub-components/src/main.tsx
@@ -115,7 +115,6 @@ function Table({
   const table = useTable({
     _features: { RowExpanding },
     _rowModels: {
-      Core: createCoreRowModel(),
       Expanded: createExpandedRowModel(),
     },
     columns,
diff --git a/examples/react/virtualized-columns/src/main.tsx b/examples/react/virtualized-columns/src/main.tsx
index bc51a6999e..02a682fb06 100644
--- a/examples/react/virtualized-columns/src/main.tsx
+++ b/examples/react/virtualized-columns/src/main.tsx
@@ -28,7 +28,7 @@ function App() {
 
   const table = useTable({
     _features: { ColumnSizing, RowSorting },
-    _rowModels: { Core: createCoreRowModel(), Sorted: createSortedRowModel() },
+    _rowModels: { Sorted: createSortedRowModel() },
     columns,
     data,
     debugTable: true,
diff --git a/examples/react/virtualized-infinite-scrolling/src/main.tsx b/examples/react/virtualized-infinite-scrolling/src/main.tsx
index e7ff1106f3..80e0c3995d 100644
--- a/examples/react/virtualized-infinite-scrolling/src/main.tsx
+++ b/examples/react/virtualized-infinite-scrolling/src/main.tsx
@@ -129,7 +129,7 @@ function App() {
 
   const table = useTable({
     _features: { ColumnSizing, RowSorting },
-    _rowModels: { Core: createCoreRowModel(), Sorted: createSortedRowModel() },
+    _rowModels: { Sorted: createSortedRowModel() },
     data: flatData,
     columns,
     state: {
diff --git a/examples/react/virtualized-rows/src/main.tsx b/examples/react/virtualized-rows/src/main.tsx
index bbf4214a28..4ae9509f5a 100644
--- a/examples/react/virtualized-rows/src/main.tsx
+++ b/examples/react/virtualized-rows/src/main.tsx
@@ -71,7 +71,7 @@ function App() {
 
   const table = useTable({
     _features: { ColumnSizing, RowSorting },
-    _rowModels: { Core: createCoreRowModel(), Sorted: createSortedRowModel() },
+    _rowModels: { Sorted: createSortedRowModel() },
     columns,
     data,
     debugTable: true,
diff --git a/packages/table-core/src/features/column-filtering/ColumnFiltering.types.ts b/packages/table-core/src/features/column-filtering/ColumnFiltering.types.ts
index 3094e02000..7e28b3ae6f 100644
--- a/packages/table-core/src/features/column-filtering/ColumnFiltering.types.ts
+++ b/packages/table-core/src/features/column-filtering/ColumnFiltering.types.ts
@@ -48,7 +48,7 @@ export interface TableFns_ColumnFiltering<
   TFns extends Fns<TFeatures, TFns, TData>,
   TData extends RowData,
 > {
-  filterFns?: Record<keyof FilterFns, FilterFn<TFeatures, TFns, TData>>
+  filterFns: Record<keyof FilterFns, FilterFn<TFeatures, TFns, TData>>
 }
 
 export interface FilterFn<
diff --git a/packages/table-core/src/features/column-filtering/ColumnFiltering.utils.ts b/packages/table-core/src/features/column-filtering/ColumnFiltering.utils.ts
index 2d7a51589f..5b0abcc664 100644
--- a/packages/table-core/src/features/column-filtering/ColumnFiltering.utils.ts
+++ b/packages/table-core/src/features/column-filtering/ColumnFiltering.utils.ts
@@ -25,7 +25,10 @@ export function column_getAutoFilterFn<
   column: Column<TFeatures, TFns, TData, TValue>,
   table: Table_Internal<TFeatures, TFns, TData>,
 ) {
-  const { filterFns } = table._fns
+  const filterFns = table._fns.filterFns as
+    | Record<string, FilterFn<TFeatures, TFns, TData>>
+    | undefined
+
   const firstRow = table_getCoreRowModel(table).flatRows[0]
 
   const value = firstRow ? row_getValue(firstRow, table, column.id) : undefined
@@ -64,11 +67,14 @@ export function column_getFilterFn<
   },
   table: Table_Internal<TFeatures, TFns, TData>,
 ): FilterFn<TFeatures, TFns, TData> | undefined {
+  const filterFns = table._fns.filterFns as
+    | Record<string, FilterFn<TFeatures, TFns, TData>>
+    | undefined
   return isFunction(column.columnDef.filterFn)
     ? column.columnDef.filterFn
     : column.columnDef.filterFn === 'auto'
       ? column_getAutoFilterFn(column, table)
-      : table._fns.filterFns?.[column.columnDef.filterFn as string]
+      : filterFns?.[column.columnDef.filterFn as string]
 }
 
 export function column_getCanFilter<
@@ -258,7 +264,10 @@ export function shouldAutoRemoveFilter<
 ) {
   return (
     (filterFn && filterFn.autoRemove
-      ? filterFn.autoRemove(value, column)
+      ? filterFn.autoRemove(
+          value,
+          column as Column<TFeatures, TFns, TData, unknown>,
+        )
       : false) ||
     typeof value === 'undefined' ||
     (typeof value === 'string' && !value)
diff --git a/packages/table-core/src/features/column-grouping/ColumnGrouping.types.ts b/packages/table-core/src/features/column-grouping/ColumnGrouping.types.ts
index 32eed12827..92665490c7 100644
--- a/packages/table-core/src/features/column-grouping/ColumnGrouping.types.ts
+++ b/packages/table-core/src/features/column-grouping/ColumnGrouping.types.ts
@@ -30,7 +30,7 @@ export interface TableFns_ColumnGrouping<
   TFns extends Fns<TFeatures, TFns, TData>,
   TData extends RowData,
 > {
-  aggregationFns?: Record<
+  aggregationFns: Record<
     keyof AggregationFns,
     AggregationFn<TFeatures, TFns, TData>
   >
diff --git a/packages/table-core/src/features/column-grouping/ColumnGrouping.utils.ts b/packages/table-core/src/features/column-grouping/ColumnGrouping.utils.ts
index d1b0b2ba70..a724e02815 100644
--- a/packages/table-core/src/features/column-grouping/ColumnGrouping.utils.ts
+++ b/packages/table-core/src/features/column-grouping/ColumnGrouping.utils.ts
@@ -14,6 +14,7 @@ import type { Row } from '../../types/Row'
 import type { Cell } from '../../types/Cell'
 import type { Column } from '../../types/Column'
 import type {
+  AggregationFn,
   ColumnDef_ColumnGrouping,
   GroupingState,
   Row_ColumnGrouping,
@@ -114,7 +115,10 @@ export function column_getAutoAggregationFn<
   },
   table: Table_Internal<TFeatures, TFns, TData>,
 ) {
-  const { aggregationFns } = table._fns
+  const aggregationFns = table._fns.aggregationFns as
+    | Record<string, AggregationFn<TFeatures, TFns, TData>>
+    | undefined
+
   const firstRow = table.getCoreRowModel().flatRows[0]
 
   const value = firstRow?.getValue(column.id)
@@ -139,11 +143,15 @@ export function column_getAggregationFn<
   },
   table: Table_Internal<TFeatures, TFns, TData>,
 ) {
+  const aggregationFns = table._fns.aggregationFns as
+    | Record<string, AggregationFn<TFeatures, TFns, TData>>
+    | undefined
+
   return isFunction(column.columnDef.aggregationFn)
     ? column.columnDef.aggregationFn
     : column.columnDef.aggregationFn === 'auto'
       ? column_getAutoAggregationFn(column, table)
-      : table._fns.aggregationFns?.[column.columnDef.aggregationFn as string]
+      : aggregationFns?.[column.columnDef.aggregationFn as string]
 }
 
 export function table_setGrouping<
diff --git a/packages/table-core/src/features/row-sorting/RowSorting.types.ts b/packages/table-core/src/features/row-sorting/RowSorting.types.ts
index 84f87bca6e..1e8009ab55 100644
--- a/packages/table-core/src/features/row-sorting/RowSorting.types.ts
+++ b/packages/table-core/src/features/row-sorting/RowSorting.types.ts
@@ -30,7 +30,7 @@ export interface TableFns_RowSorting<
   TFns extends Fns<TFeatures, TFns, TData>,
   TData extends RowData,
 > {
-  sortingFns?: Record<keyof SortingFns, SortingFn<TFeatures, TFns, TData>>
+  sortingFns: Record<keyof SortingFns, SortingFn<TFeatures, TFns, TData>>
 }
 
 export interface SortingFns {}
diff --git a/packages/table-core/src/features/row-sorting/RowSorting.utils.ts b/packages/table-core/src/features/row-sorting/RowSorting.utils.ts
index 64c615d4e4..5668eb3419 100644
--- a/packages/table-core/src/features/row-sorting/RowSorting.utils.ts
+++ b/packages/table-core/src/features/row-sorting/RowSorting.utils.ts
@@ -8,7 +8,6 @@ import {
   table_getState,
 } from '../../core/table/Tables.utils'
 import type { Fns } from '../../types/Fns'
-import type { BuiltInSortingFn } from '../../fns/sortingFns'
 import type { CellData, RowData, Updater } from '../../types/type-utils'
 import type { TableFeatures } from '../../types/TableFeatures'
 import type { RowModel } from '../../types/RowModel'
@@ -17,6 +16,7 @@ import type { Column } from '../../types/Column'
 import type {
   ColumnDef_RowSorting,
   SortDirection,
+  SortingFn,
   SortingState,
 } from './RowSorting.types'
 
@@ -73,7 +73,10 @@ export function column_getAutoSortingFn<
   },
   table: Table_Internal<TFeatures, TFns, TData>,
 ) {
-  const { sortingFns } = table._fns
+  const sortingFns = table._fns.sortingFns as
+    | Record<string, SortingFn<TFeatures, TFns, TData>>
+    | undefined
+
   const firstRows = table_getFilteredRowModel(table).flatRows.slice(10)
 
   let isString = false
@@ -144,11 +147,15 @@ export function column_getSortingFn<
   },
   table: Table_Internal<TFeatures, TFns, TData>,
 ) {
+  const sortingFns = table._fns.sortingFns as
+    | Record<string, SortingFn<TFeatures, TFns, TData>>
+    | undefined
+
   return isFunction(column.columnDef.sortingFn)
     ? column.columnDef.sortingFn
     : column.columnDef.sortingFn === 'auto'
       ? column_getAutoSortingFn(column, table)
-      : table._fns.sortingFns?.[column.columnDef.sortingFn as string]
+      : sortingFns?.[column.columnDef.sortingFn as string]
 }
 
 /**
diff --git a/packages/table-core/src/types/Fns.ts b/packages/table-core/src/types/Fns.ts
index 02708b0d3e..c7b8e3886f 100644
--- a/packages/table-core/src/types/Fns.ts
+++ b/packages/table-core/src/types/Fns.ts
@@ -8,7 +8,12 @@ export type Fns<
   TFeatures extends TableFeatures,
   TFns extends Fns<TFeatures, TFns, TData>,
   TData extends RowData,
-> = UnionToIntersection<
+> = {
+  /**
+   * @deprecated
+   */
+  _?: never
+} & UnionToIntersection<
   | ('ColumnFiltering' extends keyof TFeatures
       ? TableFns_ColumnFiltering<TFeatures, TFns, TData>
       : never)
diff --git a/packages/table-core/tests/RowPinning.test.ts b/packages/table-core/tests/RowPinning.test.ts
index 84d50186c7..85b810e147 100644
--- a/packages/table-core/tests/RowPinning.test.ts
+++ b/packages/table-core/tests/RowPinning.test.ts
@@ -36,7 +36,6 @@ describe('RowPinning', () => {
         const table = constructTable<any, Person>({
           _features: { RowPinning, RowPagination },
           _rowModels: {
-            Core: createCoreRowModel(),
             Paginated: createPaginatedRowModel(),
           },
           enableRowPinning: true,
@@ -70,7 +69,6 @@ describe('RowPinning', () => {
         const table = constructTable<any, Person>({
           _features: { RowPinning, RowPagination },
           _rowModels: {
-            Core: createCoreRowModel(),
             Paginated: createPaginatedRowModel(),
           },
           enableRowPinning: true,
@@ -104,7 +102,6 @@ describe('RowPinning', () => {
         const table = constructTable<any, Person>({
           _features: { RowPinning, RowPagination },
           _rowModels: {
-            Core: createCoreRowModel(),
             Paginated: createPaginatedRowModel(),
           },
           enableRowPinning: true,
@@ -138,7 +135,6 @@ describe('RowPinning', () => {
         const table = constructTable<any, Person>({
           _features: { RowPinning, RowPagination },
           _rowModels: {
-            Core: createCoreRowModel(),
             Paginated: createPaginatedRowModel(),
           },
           enableRowPinning: true,
@@ -171,7 +167,6 @@ describe('RowPinning', () => {
         const table = constructTable<any, Person>({
           _features: { RowPinning, RowPagination },
           _rowModels: {
-            Core: createCoreRowModel(),
             Paginated: createPaginatedRowModel(),
           },
           enableRowPinning: true,
@@ -205,7 +200,6 @@ describe('RowPinning', () => {
         const table = constructTable<any, Person>({
           _features: { RowPinning, RowPagination },
           _rowModels: {
-            Core: createCoreRowModel(),
             Paginated: createPaginatedRowModel(),
           },
           enableRowPinning: true,
@@ -241,7 +235,6 @@ describe('RowPinning', () => {
         const table = constructTable<any, Person>({
           _features: { RowPinning, RowPagination },
           _rowModels: {
-            Core: createCoreRowModel(),
             Paginated: createPaginatedRowModel(),
           },
           enableRowPinning: true,
diff --git a/packages/table-core/tests/RowSelection.test.ts b/packages/table-core/tests/RowSelection.test.ts
index b27bd312eb..713aca554b 100644
--- a/packages/table-core/tests/RowSelection.test.ts
+++ b/packages/table-core/tests/RowSelection.test.ts
@@ -33,7 +33,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: true,
         onStateChange() {},
         renderFallbackValue: '',
@@ -63,7 +63,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: true,
         onStateChange() {},
         renderFallbackValue: '',
@@ -93,7 +93,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: true,
         onStateChange() {},
         renderFallbackValue: '',
@@ -162,7 +162,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: true,
         onStateChange() {},
         renderFallbackValue: '',
@@ -188,7 +188,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: true,
         onStateChange() {},
         renderFallbackValue: '',
@@ -217,7 +217,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: true,
         onStateChange() {},
         renderFallbackValue: '',
@@ -248,7 +248,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: true,
         onStateChange() {},
         renderFallbackValue: '',
@@ -279,7 +279,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: (row) => row.index === 0, // only first row is selectable (of 2 sub-rows)
         onStateChange() {},
         renderFallbackValue: '',
@@ -309,7 +309,7 @@ describe('RowSelection', () => {
 
       const table = constructTable<any, Person>({
         _features: { RowSelection },
-        _rowModels: { Core: createCoreRowModel() },
+        _rowModels: {},
         enableRowSelection: true,
         onStateChange() {},
         renderFallbackValue: '',
diff --git a/packages/table-core/tests/getGroupedRowModel.test.ts b/packages/table-core/tests/getGroupedRowModel.test.ts
index 244a561607..8142c972d8 100644
--- a/packages/table-core/tests/getGroupedRowModel.test.ts
+++ b/packages/table-core/tests/getGroupedRowModel.test.ts
@@ -39,7 +39,6 @@ describe('#getGroupedRowModel', () => {
     const table = constructTable<any, Person>({
       _features: { ColumnGrouping },
       _rowModels: {
-        Core: createCoreRowModel(),
         Grouped: createGroupedRowModel(),
       },
       onStateChange() {},