diff --git a/examples/menuItemGroup.js b/examples/menuItemGroup.js
index 9cfebbff..6f95a8f0 100644
--- a/examples/menuItemGroup.js
+++ b/examples/menuItemGroup.js
@@ -2,14 +2,13 @@
 
 import React from 'react';
 import ReactDOM from 'react-dom';
-import Menu, { SubMenu, Item as MenuItem, ItemGroup as MenuItemGroup } from 'rc-menu';
+import Menu, { Item as MenuItem, ItemGroup as MenuItemGroup } from 'rc-menu';
 
 import 'rc-menu/assets/index.less';
 
 ReactDOM.render(<div>
   <h2>menu item group</h2>
-  <Menu style={{ margin: 20, width: 300 }} mode="inline">
-    <MenuItem key="11">1</MenuItem>
+  <Menu style={{ margin: 20, width: 300 }}>
     <MenuItemGroup title="group 1" key="2">
       <MenuItem key="21">2</MenuItem>
       <MenuItem key="22">3</MenuItem>
@@ -18,17 +17,5 @@ ReactDOM.render(<div>
       <MenuItem key="31">4</MenuItem>
       <MenuItem key="32">5</MenuItem>
     </MenuItemGroup>
-    <SubMenu title="6">
-      <MenuItem key="61">6.1</MenuItem>
-      <MenuItemGroup title="6.2" key="6.2">
-        <MenuItem key="621">6.2.1</MenuItem>
-        <MenuItem key="622">6.2.2</MenuItem>
-      </MenuItemGroup>
-      <MenuItemGroup title="6.3" key="6.3">
-        <MenuItem key="631">6.3.1</MenuItem>
-        <MenuItem key="632">6.3.2</MenuItem>
-      </MenuItemGroup>
-      <MenuItem key="64">6.4</MenuItem>
-    </SubMenu>
   </Menu>
 </div>, document.getElementById('__react-content'));
diff --git a/src/MenuItemGroup.jsx b/src/MenuItemGroup.jsx
index f91f6d26..49211ced 100644
--- a/src/MenuItemGroup.jsx
+++ b/src/MenuItemGroup.jsx
@@ -23,7 +23,6 @@ class MenuItemGroup extends React.Component {
   render() {
     const { ...props } = this.props;
     const { className = '', rootPrefixCls } = props;
-    const { mode, inlineIndent, level } = props;
     const titleClassName = `${rootPrefixCls}-item-group-title`;
     const listClassName = `${rootPrefixCls}-item-group-list`;
     const { title, children } = props;
@@ -32,16 +31,10 @@ class MenuItemGroup extends React.Component {
     // Set onClick to null, to ignore propagated onClick event
     delete props.onClick;
 
-    const titleStyle = {};
-    if (mode === 'inline') {
-      titleStyle.paddingLeft = inlineIndent * level;
-    }
-
     return (
       <li {...props} className={`${className} ${rootPrefixCls}-item-group`}>
         <div
           className={titleClassName}
-          style={titleStyle}
           title={typeof title === 'string' ? title : undefined}
         >
           {title}
diff --git a/tests/__snapshots__/Menu.spec.js.snap b/tests/__snapshots__/Menu.spec.js.snap
index ad3c6f03..5a69acec 100644
--- a/tests/__snapshots__/Menu.spec.js.snap
+++ b/tests/__snapshots__/Menu.spec.js.snap
@@ -218,7 +218,6 @@ exports[`Menu should render inline menu correctly 1`] = `
   >
     <div
       class="rc-menu-item-group-title"
-      style="padding-left:24px"
       title="g1"
     >
       g1
@@ -257,7 +256,6 @@ exports[`Menu should render inline menu correctly 1`] = `
   >
     <div
       class="rc-menu-item-group-title"
-      style="padding-left:24px"
       title="g2"
     >
       g2
diff --git a/tests/__snapshots__/MenuItem.spec.js.snap b/tests/__snapshots__/MenuItem.spec.js.snap
index ef22a54a..9793955e 100644
--- a/tests/__snapshots__/MenuItem.spec.js.snap
+++ b/tests/__snapshots__/MenuItem.spec.js.snap
@@ -78,7 +78,6 @@ exports[`MenuItem rest props onClick event should only trigger 1 time along the
   >
     <div
       class="rc-menu-item-group-title"
-      style="padding-left: 24px;"
       title="title"
     >
       title