diff --git a/components/_util/type.ts b/components/_util/type.ts
index 783a44b6af..a42c2b8fb9 100644
--- a/components/_util/type.ts
+++ b/components/_util/type.ts
@@ -1,4 +1,3 @@
-export type Omit<T, K extends keyof T> = Pick<T, Exclude<keyof T, K>>;
 // https://stackoverflow.com/questions/46176165/ways-to-get-string-literal-type-of-array-values-without-enum-overhead
 export const tuple = <T extends string[]>(...args: T) => args;
 
diff --git a/components/breadcrumb/Breadcrumb.tsx b/components/breadcrumb/Breadcrumb.tsx
index c91f0f5bb1..bcf0051f16 100755
--- a/components/breadcrumb/Breadcrumb.tsx
+++ b/components/breadcrumb/Breadcrumb.tsx
@@ -6,7 +6,6 @@ import BreadcrumbSeparator from './BreadcrumbSeparator';
 import Menu from '../menu';
 import { ConfigContext } from '../config-provider';
 import devWarning from '../_util/devWarning';
-import { Omit } from '../_util/type';
 import { cloneElement } from '../_util/reactNode';
 
 export interface Route {
diff --git a/components/button/button.tsx b/components/button/button.tsx
index 2aa8a5fe1d..c2769ab171 100644
--- a/components/button/button.tsx
+++ b/components/button/button.tsx
@@ -6,7 +6,7 @@ import omit from 'rc-util/lib/omit';
 import Group from './button-group';
 import { ConfigContext } from '../config-provider';
 import Wave from '../_util/wave';
-import { Omit, tuple } from '../_util/type';
+import { tuple } from '../_util/type';
 import devWarning from '../_util/devWarning';
 import SizeContext, { SizeType } from '../config-provider/SizeContext';
 import LoadingIcon from './LoadingIcon';
diff --git a/components/card/index.tsx b/components/card/index.tsx
index fe87caa33b..361ea4e9c0 100644
--- a/components/card/index.tsx
+++ b/components/card/index.tsx
@@ -7,7 +7,6 @@ import Tabs, { TabsProps } from '../tabs';
 import Row from '../row';
 import Col from '../col';
 import { ConfigContext } from '../config-provider';
-import { Omit } from '../_util/type';
 import SizeContext from '../config-provider/SizeContext';
 
 function getAction(actions: React.ReactNode[]) {
diff --git a/components/input-number/index.tsx b/components/input-number/index.tsx
index 5d77e7b6bf..8df2b76e4e 100644
--- a/components/input-number/index.tsx
+++ b/components/input-number/index.tsx
@@ -5,7 +5,6 @@ import UpOutlined from '@ant-design/icons/UpOutlined';
 import DownOutlined from '@ant-design/icons/DownOutlined';
 
 import { ConfigContext } from '../config-provider';
-import { Omit } from '../_util/type';
 import SizeContext, { SizeType } from '../config-provider/SizeContext';
 
 type ValueType = string | number;
diff --git a/components/input/Input.tsx b/components/input/Input.tsx
index 1ea61e9b9f..58a0a2a47e 100644
--- a/components/input/Input.tsx
+++ b/components/input/Input.tsx
@@ -5,7 +5,7 @@ import Group from './Group';
 import Search from './Search';
 import TextArea from './TextArea';
 import Password from './Password';
-import { Omit, LiteralUnion } from '../_util/type';
+import { LiteralUnion } from '../_util/type';
 import ClearableLabeledInput, { hasPrefixSuffix } from './ClearableLabeledInput';
 import { ConfigConsumer, ConfigConsumerProps, DirectionType } from '../config-provider';
 import SizeContext, { SizeType } from '../config-provider/SizeContext';
@@ -67,9 +67,7 @@ export function resolveOnChange<E extends HTMLInputElement | HTMLTextAreaElement
     | React.ChangeEvent<E>
     | React.MouseEvent<HTMLElement, MouseEvent>
     | React.CompositionEvent<HTMLElement>,
-  onChange:
-    | undefined
-    | ((event: React.ChangeEvent<E>) => void),
+  onChange: undefined | ((event: React.ChangeEvent<E>) => void),
   targetValue?: string,
 ) {
   if (!onChange) {
diff --git a/components/time-picker/index.tsx b/components/time-picker/index.tsx
index 8daeb8c4f0..8c6ae2379f 100644
--- a/components/time-picker/index.tsx
+++ b/components/time-picker/index.tsx
@@ -3,7 +3,6 @@ import * as React from 'react';
 import DatePicker from '../date-picker';
 import { PickerTimeProps, RangePickerTimeProps } from '../date-picker/generatePicker';
 import devWarning from '../_util/devWarning';
-import { Omit } from '../_util/type';
 
 const { TimePicker: InternalTimePicker, RangePicker: InternalRangePicker } = DatePicker;
 
diff --git a/components/transfer/ListBody.tsx b/components/transfer/ListBody.tsx
index ca435c7876..1aebb762f4 100644
--- a/components/transfer/ListBody.tsx
+++ b/components/transfer/ListBody.tsx
@@ -1,6 +1,6 @@
 import * as React from 'react';
 import classNames from 'classnames';
-import { ElementOf, Omit, tuple } from '../_util/type';
+import { ElementOf, tuple } from '../_util/type';
 import Pagination from '../pagination';
 import { TransferListProps, RenderedItem } from './list';
 import ListItem from './ListItem';
diff --git a/components/typography/Title.tsx b/components/typography/Title.tsx
index 12d7708ad6..9ba9cd5643 100644
--- a/components/typography/Title.tsx
+++ b/components/typography/Title.tsx
@@ -1,7 +1,7 @@
 import * as React from 'react';
 import devWarning from '../_util/devWarning';
 import Base, { BlockProps } from './Base';
-import { tupleNum, Omit } from '../_util/type';
+import { tupleNum } from '../_util/type';
 
 const TITLE_ELE_LIST = tupleNum(1, 2, 3, 4, 5);
 
diff --git a/docs/react/replace-moment.en-US.md b/docs/react/replace-moment.en-US.md
index 6e10e356e7..d2c74324cc 100644
--- a/docs/react/replace-moment.en-US.md
+++ b/docs/react/replace-moment.en-US.md
@@ -39,7 +39,6 @@ import { Dayjs } from 'dayjs';
 import * as React from 'react';
 import DatePicker from './DatePicker';
 import { PickerTimeProps } from 'antd/es/date-picker/generatePicker';
-import { Omit } from 'antd/es/_util/type';
 
 export interface TimePickerProps extends Omit<PickerTimeProps<Dayjs>, 'picker'> {}
 
diff --git a/docs/react/replace-moment.zh-CN.md b/docs/react/replace-moment.zh-CN.md
index d9ac9c0d38..103f38c8f7 100644
--- a/docs/react/replace-moment.zh-CN.md
+++ b/docs/react/replace-moment.zh-CN.md
@@ -39,7 +39,6 @@ import { Dayjs } from 'dayjs';
 import * as React from 'react';
 import DatePicker from './DatePicker';
 import { PickerTimeProps } from 'antd/es/date-picker/generatePicker';
-import { Omit } from 'antd/es/_util/type';
 
 export interface TimePickerProps extends Omit<PickerTimeProps<Dayjs>, 'picker'> {}