diff --git a/README.md b/README.md
index b8085838..d51cdb04 100644
--- a/README.md
+++ b/README.md
@@ -112,12 +112,6 @@ online example: https://input-number.vercel.app/
           <td>false</td>
           <td>Specifies that an InputNumber should be disabled</td>
         </tr>
-        <tr>
-          <td>focusOnUpDown</td>
-          <td>Boolean</td>
-          <td>true</td>
-          <td>whether focus input when click up or down button</td>
-        </tr>
         <tr>
           <td>required</td>
           <td>Boolean</td>
diff --git a/docs/api.md b/docs/api.md
index 8762db2c..fb173828 100644
--- a/docs/api.md
+++ b/docs/api.md
@@ -64,12 +64,6 @@ nav:
           <td>false</td>
           <td>Specifies that an InputNumber should be disabled</td>
         </tr>
-        <tr>
-          <td>focusOnUpDown</td>
-          <td>Boolean</td>
-          <td>true</td>
-          <td>whether focus input when click up or down button</td>
-        </tr>
         <tr>
           <td>required</td>
           <td>Boolean</td>
diff --git a/docs/demo/simple-use-touch.tsx b/docs/demo/simple-use-touch.tsx
deleted file mode 100644
index 9659520f..00000000
--- a/docs/demo/simple-use-touch.tsx
+++ /dev/null
@@ -1,57 +0,0 @@
-/* eslint no-console:0 */
-import React from 'react';
-import InputNumber from 'rc-input-number';
-import '../../assets/index.less';
-
-class Component extends React.Component {
-  state = {
-    disabled: false,
-    readOnly: false,
-    value: 5,
-  };
-
-  onChange = value => {
-    console.log('onChange:', value);
-    this.setState({ value });
-  };
-
-  toggleDisabled = () => {
-    this.setState({
-      disabled: !this.state.disabled,
-    });
-  };
-
-  toggleReadOnly = () => {
-    this.setState({
-      readOnly: !this.state.readOnly,
-    });
-  };
-
-  render() {
-    return (
-      <div style={{ margin: 10 }}>
-        <InputNumber
-          aria-label="Simple use touch number input example"
-          min={-8}
-          max={10}
-          value={this.state.value}
-          style={{ width: 100 }}
-          readOnly={this.state.readOnly}
-          onChange={this.onChange}
-          disabled={this.state.disabled}
-          useTouch
-        />
-        <p>
-          <button type="button" onClick={this.toggleDisabled}>
-            toggle Disabled
-          </button>
-          <button type="button" onClick={this.toggleReadOnly}>
-            toggle readOnly
-          </button>
-        </p>
-      </div>
-    );
-  }
-}
-
-export default Component;
diff --git a/docs/example.md b/docs/example.md
index ee7ac902..77dc42ef 100644
--- a/docs/example.md
+++ b/docs/example.md
@@ -37,10 +37,6 @@ nav:
 
 <code src="./demo/precision.tsx"></code>
 
-## simple-use-touch
-
-<code src="./demo/simple-use-touch.tsx"></code>
-
 ## small-step
 
 <code src="./demo/small-step.tsx"></code>
diff --git a/src/InputNumber.tsx b/src/InputNumber.tsx
index 4a64d68c..8b71ea7c 100644
--- a/src/InputNumber.tsx
+++ b/src/InputNumber.tsx
@@ -100,9 +100,6 @@ export interface InputNumberProps<T extends ValueType = ValueType>
 
   onStep?: (value: T, info: { offset: ValueType; type: 'up' | 'down' }) => void;
 
-  // focusOnUpDown: boolean;
-  // useTouch: boolean;
-
   /**
    * Trigger change onBlur event.
    * If disabled, user must press enter or click handler to confirm the value update