diff --git a/packages/devextreme-angular/src/common/grids/index.ts b/packages/devextreme-angular/src/common/grids/index.ts
index 361c09678876..df82c809f91b 100644
--- a/packages/devextreme-angular/src/common/grids/index.ts
+++ b/packages/devextreme-angular/src/common/grids/index.ts
@@ -46,8 +46,6 @@ export {
     NewRowInfo,
     NewRowPosition,
     Pager,
-    PagerDisplayMode,
-    PagerPageSize,
     PagingBase,
     RowDragging,
     RowDraggingTemplateData,
diff --git a/packages/devextreme-angular/src/ui/data-grid/nested/pager.ts b/packages/devextreme-angular/src/ui/data-grid/nested/pager.ts
index 34e4ecc6ada0..601e683189ba 100644
--- a/packages/devextreme-angular/src/ui/data-grid/nested/pager.ts
+++ b/packages/devextreme-angular/src/ui/data-grid/nested/pager.ts
@@ -14,7 +14,7 @@ import {
 
 
 
-import { Mode, PagerAllPagesMode, PagerDisplayMode } from 'devextreme/common';
+import { Mode, PagerDisplayMode, PagerPageSize } from 'devextreme/common';
 
 import {
     NestedOptionHost,
@@ -30,10 +30,10 @@ import { NestedOption } from 'devextreme-angular/core';
 })
 export class DxoDataGridPagerComponent extends NestedOption implements OnDestroy, OnInit  {
     @Input()
-    get allowedPageSizes(): string | Array<PagerAllPagesMode | number> {
+    get allowedPageSizes(): Mode | Array<PagerPageSize | number> {
         return this._getOption('allowedPageSizes');
     }
-    set allowedPageSizes(value: string | Array<PagerAllPagesMode | number>) {
+    set allowedPageSizes(value: Mode | Array<PagerPageSize | number>) {
         this._setOption('allowedPageSizes', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/nested/base/pager.ts b/packages/devextreme-angular/src/ui/nested/base/pager.ts
index c19ff8df6113..f530d345e02e 100644
--- a/packages/devextreme-angular/src/ui/nested/base/pager.ts
+++ b/packages/devextreme-angular/src/ui/nested/base/pager.ts
@@ -5,16 +5,16 @@ import {
     Component,
 } from '@angular/core';
 
-import { Mode, PagerAllPagesMode, PagerDisplayMode } from 'devextreme/common';
+import { Mode, PagerDisplayMode, PagerPageSize } from 'devextreme/common';
 
 @Component({
     template: ''
 })
 export abstract class DxoPager extends NestedOption {
-    get allowedPageSizes(): string | Array<PagerAllPagesMode | number> {
+    get allowedPageSizes(): Mode | Array<PagerPageSize | number> {
         return this._getOption('allowedPageSizes');
     }
-    set allowedPageSizes(value: string | Array<PagerAllPagesMode | number>) {
+    set allowedPageSizes(value: Mode | Array<PagerPageSize | number>) {
         this._setOption('allowedPageSizes', value);
     }
 
diff --git a/packages/devextreme-angular/src/ui/tree-list/nested/pager.ts b/packages/devextreme-angular/src/ui/tree-list/nested/pager.ts
index de8e045316a7..b8a214bfba5d 100644
--- a/packages/devextreme-angular/src/ui/tree-list/nested/pager.ts
+++ b/packages/devextreme-angular/src/ui/tree-list/nested/pager.ts
@@ -14,7 +14,7 @@ import {
 
 
 
-import { Mode, PagerAllPagesMode, PagerDisplayMode } from 'devextreme/common';
+import { Mode, PagerDisplayMode, PagerPageSize } from 'devextreme/common';
 
 import {
     NestedOptionHost,
@@ -30,10 +30,10 @@ import { NestedOption } from 'devextreme-angular/core';
 })
 export class DxoTreeListPagerComponent extends NestedOption implements OnDestroy, OnInit  {
     @Input()
-    get allowedPageSizes(): string | Array<PagerAllPagesMode | number> {
+    get allowedPageSizes(): Mode | Array<PagerPageSize | number> {
         return this._getOption('allowedPageSizes');
     }
-    set allowedPageSizes(value: string | Array<PagerAllPagesMode | number>) {
+    set allowedPageSizes(value: Mode | Array<PagerPageSize | number>) {
         this._setOption('allowedPageSizes', value);
     }
 
diff --git a/packages/devextreme-react/src/common/grids.ts b/packages/devextreme-react/src/common/grids.ts
index 6ccb67c5afa2..4b5dacb77e6c 100644
--- a/packages/devextreme-react/src/common/grids.ts
+++ b/packages/devextreme-react/src/common/grids.ts
@@ -46,8 +46,6 @@ export {
     NewRowInfo,
     NewRowPosition,
     Pager,
-    PagerDisplayMode,
-    PagerPageSize,
     PagingBase,
     RowDragging,
     RowDraggingTemplateData,
diff --git a/packages/devextreme-react/src/data-grid.ts b/packages/devextreme-react/src/data-grid.ts
index 1d7d72ca00d8..5a7a242e658d 100644
--- a/packages/devextreme-react/src/data-grid.ts
+++ b/packages/devextreme-react/src/data-grid.ts
@@ -1953,7 +1953,7 @@ const OperationDescriptions: typeof _componentOperationDescriptions & IElementDe
 // owners:
 // DataGrid
 type IPagerProps = React.PropsWithChildren<{
-  allowedPageSizes?: Array<number | "all"> | "auto";
+  allowedPageSizes?: Array<number | "all" | "auto"> | "auto";
   displayMode?: "adaptive" | "compact" | "full";
   infoText?: string;
   label?: string;
diff --git a/packages/devextreme-react/src/tree-list.ts b/packages/devextreme-react/src/tree-list.ts
index eee95966cf15..801eea1f7bcc 100644
--- a/packages/devextreme-react/src/tree-list.ts
+++ b/packages/devextreme-react/src/tree-list.ts
@@ -1658,7 +1658,7 @@ const OperationDescriptions: typeof _componentOperationDescriptions & IElementDe
 // owners:
 // TreeList
 type IPagerProps = React.PropsWithChildren<{
-  allowedPageSizes?: Array<number | "all"> | "auto";
+  allowedPageSizes?: Array<number | "all" | "auto"> | "auto";
   displayMode?: "adaptive" | "compact" | "full";
   infoText?: string;
   label?: string;
diff --git a/packages/devextreme-vue/src/common/grids.ts b/packages/devextreme-vue/src/common/grids.ts
index 6ccb67c5afa2..4b5dacb77e6c 100644
--- a/packages/devextreme-vue/src/common/grids.ts
+++ b/packages/devextreme-vue/src/common/grids.ts
@@ -46,8 +46,6 @@ export {
     NewRowInfo,
     NewRowPosition,
     Pager,
-    PagerDisplayMode,
-    PagerPageSize,
     PagingBase,
     RowDragging,
     RowDraggingTemplateData,
diff --git a/packages/devextreme/js/common.d.ts b/packages/devextreme/js/common.d.ts
index 1cd52fed13d5..b23ccfc11090 100644
--- a/packages/devextreme/js/common.d.ts
+++ b/packages/devextreme/js/common.d.ts
@@ -854,7 +854,7 @@ export type PagerAllPagesMode = 'all';
  * @public
  * @namespace DevExpress.ui.dxPager
  */
-export type PagerPageSize = PagerAllPagesMode & 'auto';
+export type PagerPageSize = 'all' | 'auto';
 
 /**
  * @docid
diff --git a/packages/devextreme/js/common/grids.d.ts b/packages/devextreme/js/common/grids.d.ts
index 7a5fe012ea13..af38ff8a9b2b 100644
--- a/packages/devextreme/js/common/grids.d.ts
+++ b/packages/devextreme/js/common/grids.d.ts
@@ -12,8 +12,7 @@ import {
   Sortable,
   SortOrder,
   ValidationRule,
-  PagerDisplayMode as PagerDisplayModeType,
-  PagerPageSize as PagerPageSizeType,
+  PagerPageSize,
   BasePagerOptions,
 } from '../common';
 
@@ -73,20 +72,6 @@ import {
 } from '../ui/widget/ui.widget';
 import { PositionConfig } from '../animation/position';
 
-/**
- * @docid
- * @public
- * @namespace DevExpress.common.grids
- */
-export type PagerDisplayMode = PagerDisplayModeType;
-
-/**
- * @docid
- * @public
- * @namespace DevExpress.common.grids
- */
-export type PagerPageSize = PagerPageSizeType;
-
 /**
  * @docid
  * @hidden
@@ -2471,11 +2456,17 @@ export type NewRowPosition = 'first' | 'last' | 'pageBottom' | 'pageTop' | 'view
  * @namespace DevExpress.common.grids
  */
 export type Pager = BasePagerOptions & {
-    /**
+  /**
+   * @docid
+   * @default "auto"
+   */
+  allowedPageSizes?: Array<(number | PagerPageSize)> | Mode;
+
+  /**
    * @docid
    * @default "auto"
    */
-    visible?: boolean | Mode;
+  visible?: boolean | Mode;
 };
 
 /**
diff --git a/packages/devextreme/ts/dx.all.d.ts b/packages/devextreme/ts/dx.all.d.ts
index e2ad22a2cbb5..0eb7e3639746 100644
--- a/packages/devextreme/ts/dx.all.d.ts
+++ b/packages/devextreme/ts/dx.all.d.ts
@@ -4257,19 +4257,18 @@ declare module DevExpress.common.grids {
    * [descr:Pager]
    */
   export type Pager = DevExpress.ui.BasePagerOptions & {
+    /**
+     * [descr:Pager.allowedPageSizes]
+     */
+    allowedPageSizes?:
+      | Array<number | DevExpress.ui.dxPager.PagerPageSize>
+      | Mode;
+
     /**
      * [descr:Pager.visible]
      */
     visible?: boolean | Mode;
   };
-  /**
-   * [descr:PagerDisplayMode]
-   */
-  export type PagerDisplayMode = DevExpress.ui.dxPager.PagerDisplayMode;
-  /**
-   * [descr:PagerPageSize]
-   */
-  export type PagerPageSize = DevExpress.ui.dxPager.PagerPageSize;
   /**
    * [descr:PagingBase]
    * @deprecated Attention! This type is for internal purposes only. If you used it previously, please submit a ticket to our {@link https://supportcenter.devexpress.com/ticket/create Support Center}. We will check if there is an alternative solution.
@@ -30976,7 +30975,7 @@ declare module DevExpress.ui.dxOverlay {
 declare module DevExpress.ui.dxPager {
   export type PagerAllPagesMode = 'all';
   export type PagerDisplayMode = 'adaptive' | 'compact' | 'full';
-  export type PagerPageSize = PagerAllPagesMode & 'auto';
+  export type PagerPageSize = 'all' | 'auto';
 }
 declare module DevExpress.ui.dxPivotGrid {
   export type Cell = dxPivotGridPivotGridCell;