diff --git a/browser/lib/RepositoryManager.js b/browser/lib/RepositoryManager.js
index 3aa39dde..1c1f3a1a 100644
--- a/browser/lib/RepositoryManager.js
+++ b/browser/lib/RepositoryManager.js
@@ -152,7 +152,7 @@ function _resolveRepoJSON (targetPath) {
 function getAllRepoStats () {
   let data
   try {
-    data = JSON.parse(localStorage.getItem('repositories'))
+    data = JSON.parse(localStorage.getItem('repoStats'))
     if (!_.isArray(data)) {
       throw new Error('Data is corrupted. it must be an array.')
     }
@@ -208,7 +208,7 @@ function addRepo (newRepo) {
       let resolveBoostrepoJSON = _resolveRepoJSON(path.resolve(targetPath, 'boostrepo.json'))
       return Promise.all([resolveDataDirectory, resolveBoostrepoJSON])
     })
-    .then(function setLoalStorage (data) {
+    .then(function saveToLocalStorage (data) {
       let dataPath = data[0]
       repoJSON = data[1]
 
@@ -260,6 +260,22 @@ function addRepo (newRepo) {
     })
 }
 
+function removeRepo (repository) {
+  return new Promise(function (resolve, reject) {
+    try {
+      let repoStats = getAllRepoStats()
+      let targetIndex = _.findIndex(repoStats, {key: repository.key})
+      if (targetIndex > -1) {
+        repoStats.splice(targetIndex, 1)
+      }
+      _saveAllRepoStats(repoStats)
+      resolve(true)
+    } catch (err) {
+      reject(err)
+    }
+  })
+}
+
 function getRepos () {
   let repoStats
   try {
@@ -291,5 +307,6 @@ function getRepos () {
 export default {
   getAllRepoStats,
   addRepo,
+  removeRepo,
   getRepos
 }
diff --git a/browser/main/HomePage/SideNav/Repository.js b/browser/main/HomePage/SideNav/Repository.js
index 2a849283..4631af6b 100644
--- a/browser/main/HomePage/SideNav/Repository.js
+++ b/browser/main/HomePage/SideNav/Repository.js
@@ -1,10 +1,22 @@
 import React, { PropTypes } from 'react'
 import CSSModules from 'browser/lib/CSSModules'
 import styles from './Repository.styl'
+import actions from 'browser/main/actions'
+import RepositoryManager from 'browser/lib/RepositoryManager'
 
 class Repository extends React.Component {
+  handleUnlinkButtonClick (e) {
+    let { dispatch, repository } = this.props
+
+    RepositoryManager.removeRepo(repository)
+      .then(() => {
+        dispatch(actions.removeRepo(repository))
+      })
+  }
+
   render () {
     let { repository } = this.props
+
     let folderElements = repository.folders.map((folder) => {
       return (
         <div
@@ -38,6 +50,7 @@ class Repository extends React.Component {
 
           <div styleName='header-control'>
             <button styleName='header-control-button'
+              onClick={(e) => this.handleUnlinkButtonClick(e)}
             >
               <i className='fa fa-unlink'/>
             </button>
@@ -69,7 +82,8 @@ Repository.propTypes = {
     folders: PropTypes.arrayOf(PropTypes.shape({
       name: PropTypes.string
     }))
-  })
+  }),
+  dispatch: PropTypes.func
 }
 
 export default CSSModules(Repository, styles)
diff --git a/browser/main/HomePage/SideNav/index.js b/browser/main/HomePage/SideNav/index.js
index e671ba20..be606bdd 100644
--- a/browser/main/HomePage/SideNav/index.js
+++ b/browser/main/HomePage/SideNav/index.js
@@ -10,42 +10,10 @@ import NewRepositoryModal from '../../modal/NewRepositoryModal'
 
 const ipc = require('electron').ipcRenderer
 
-const BRAND_COLOR = '#18AF90'
-const OSX = global.process.platform === 'darwin'
-
-const preferenceTutorialElement = (
-  <svg width='300' height='300' className='tutorial'>
-    <text x='15' y='30' fill={BRAND_COLOR} fontSize='24'>Preference</text>
-    <svg x='-30' y='-270' width='400' height='400'>
-      <path fill='white' d='M165.9,297c5.3,0,10.6,0.1,15.8,0.1c3.3,0,7.7,0.8,10.7-1c2.3-1.4,3.1-4,4.5-6.2c3.5-5.5,9.6-5.2,14.6-1.9
-c4.6,3.1,8.7,8,8.4,13.8c-0.3,5.2-3.3,10.1-6.1,14.3c-3.1,4.7-6.6,7-12.2,7.9c-5.2,0.8-11.7,1.6-15.4-3
-c-6.6-8.2,2.1-20.5,7.4-27.1c6.5-8.1,20.1-14,26.4-2.1c5.4,10.3-3.1,21.7-13,24.8c-5.7,1.8-11,0.9-16.2-1.9c-2-1.1-5-2.6-6.6-4.4
-c-3.9-4.3-0.3-8.2,2.5-11.2c1.3-1.4-0.8-3.6-2.1-2.1c-2.7,2.9-5.8,6.6-5.1,10.9c0.7,4.4,5.6,6.9,9,8.9c8.6,5.1,18.7,4.8,26.8-1.2
-c7.3-5.4,11.6-15,8-23.7c-3.3-8.1-11.7-11.8-20-9c-12.5,4.1-33.7,33.5-15.9,43.1c6.8,3.7,19.8,1.8,25.3-3.6
-c6.1-5.8,12.1-17.2,9.5-25.7c-2.6-8.4-13.7-17-22.6-13.3c-1.6,0.7-3,1.7-4.1,3c-1.6,1.9-2.2,5.1-4.1,6.6c-3.1,2.4-10.1,1-13.7,1
-c-4,0-7.9,0-11.9-0.1C164,294,164,297,165.9,297L165.9,297z'/>
-    </svg>
-  </svg>
-)
-
-const newFolderTutorialElement = (
-  <svg width='800' height='500' className='tutorial'>
-    <text x='30' y='110' fill={BRAND_COLOR} fontSize='24'>Create a new folder!!</text>
-    <text x='50' y='135' fill={BRAND_COLOR} fontSize='16'>{'press ' + (OSX ? '`⌘ + Shift + n`' : '`^ + Shift + n`')}</text>
-    <svg x='50' y='10' width='300' height='400'>
-      <path fill='white' d='M94.1,10.9C77.7,15.6,62,22.7,47.8,32.1c-13.6,9-27.7,20.4-37.1,33.9c-1.1,1.6,1.5,3.1,2.6,1.5
-        C22.6,54.1,37,42.7,50.6,33.8c13.7-8.8,28.6-15.5,44.2-20C96.7,13.3,95.9,10.4,94.1,10.9L94.1,10.9z'/>
-      <path fill='white' d='M71.1,8.6c7.9,1.6,15.8,3.2,23.6,4.7c-0.1-0.9-0.2-1.8-0.4-2.7c-4.6,3.4-5.4,7.7-4.4,13.2
-        c0.8,4.4,0.8,10.9,5.6,12.8c1.8,0.7,2.6-2.2,0.8-2.9c-2.3-1-2.6-6.2-3-8.3c-0.9-4.5-1.7-9,2.5-12.1c0.9-0.7,1-2.5-0.4-2.7
-        C87.5,9,79.6,7.4,71.8,5.9C70,5.4,69.2,8.3,71.1,8.6L71.1,8.6z'/>
-    </svg>
-  </svg>
-)
-
 class SideNav extends React.Component {
   constructor (props) {
     super(props)
-    this.newFolderHandler = e => {
+    this.newFolderHandler = (e) => {
       if (isModalOpen()) return true
       this.handleNewFolderButton(e)
     }
@@ -69,7 +37,7 @@ class SideNav extends React.Component {
   }
 
   handleFolderButtonClick (name) {
-    return e => {
+    return (e) => {
       let { dispatch } = this.props
       dispatch(actions.switchFolder(name))
     }
@@ -85,11 +53,12 @@ class SideNav extends React.Component {
   }
 
   render () {
-    let { repositories } = this.props
+    let { repositories, dispatch } = this.props
     let repositorieElements = repositories.map((repo) => {
       return <Repository
         key={repo.name}
         repository={repo}
+        dispatch={dispatch}
       />
     })
 
diff --git a/browser/main/actions.js b/browser/main/actions.js
index a4e2aee3..da3e4b42 100644
--- a/browser/main/actions.js
+++ b/browser/main/actions.js
@@ -164,6 +164,13 @@ export function addRepo (data) {
   }
 }
 
+export function removeRepo (data) {
+  return {
+    type: 'REMOVE_REPOSITORY',
+    data
+  }
+}
+
 export default {
   updateUser,
 
@@ -188,5 +195,6 @@ export default {
   toggleTutorial,
 
   // v0.6.*
-  addRepo
+  addRepo,
+  removeRepo
 }
diff --git a/browser/main/reducer.js b/browser/main/reducer.js
index a41a0749..8efff887 100644
--- a/browser/main/reducer.js
+++ b/browser/main/reducer.js
@@ -332,12 +332,22 @@ import RepositoryManager from 'browser/lib/RepositoryManager'
 const initialRepositories = RepositoryManager.getRepos()
 
 function repositories (state = initialRepositories, action) {
-  console.log(state)
   switch (action.type) {
     case 'ADD_REPOSITORY':
-      let repos = state.slice()
-      repos.push(action.data)
-      return repos
+      {
+        let repos = state.slice()
+        repos.push(action.data)
+        return repos
+      }
+    case 'REMOVE_REPOSITORY':
+      {
+        let repos = state.slice()
+        let targetIndex = _.findIndex(repos, {key: action.data.key})
+        if (targetIndex > -1) {
+          repos.splice(targetIndex, 1)
+        }
+        return repos
+      }
   }
   return state
 }