diff --git a/app/scripts/controllers/preferences.js b/app/scripts/controllers/preferences.js
index acf952bb1..86c9517f5 100644
--- a/app/scripts/controllers/preferences.js
+++ b/app/scripts/controllers/preferences.js
@@ -55,7 +55,6 @@ class PreferencesController {
         useNativeCurrencyAsPrimaryCurrency: true,
       },
       completedOnboarding: false,
-      completedUiMigration: true,
       metaMetricsId: null,
       metaMetricsSendCount: 0,
     }, opts.initState)
@@ -613,14 +612,6 @@ class PreferencesController {
     return Promise.resolve(true)
   }
 
-  /**
-   * Sets the {@code completedUiMigration} state to {@code true}, indicating that the user has completed the UI switch.
-   */
-  completeUiMigration () {
-    this.store.updateState({ completedUiMigration: true })
-    return Promise.resolve(true)
-  }
-
   //
   // PRIVATE METHODS
   //
diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js
index 0b6f5fcb5..393154c60 100644
--- a/app/scripts/metamask-controller.js
+++ b/app/scripts/metamask-controller.js
@@ -454,7 +454,6 @@ module.exports = class MetamaskController extends EventEmitter {
       setAccountLabel: nodeify(preferencesController.setAccountLabel, preferencesController),
       setFeatureFlag: nodeify(preferencesController.setFeatureFlag, preferencesController),
       setPreference: nodeify(preferencesController.setPreference, preferencesController),
-      completeUiMigration: nodeify(preferencesController.completeUiMigration, preferencesController),
       completeOnboarding: nodeify(preferencesController.completeOnboarding, preferencesController),
       addKnownMethodData: nodeify(preferencesController.addKnownMethodData, preferencesController),
 
diff --git a/development/states/confirm-new-ui.json b/development/states/confirm-new-ui.json
index c9340fc8f..dfa4170bb 100644
--- a/development/states/confirm-new-ui.json
+++ b/development/states/confirm-new-ui.json
@@ -134,7 +134,6 @@
       "useNativeCurrencyAsPrimaryCurrency": true,
       "showFiatInTestnets": true
     },
-    "completedUiMigration": true,
     "frequentRpcListDetail": []
   },
   "appState": {
diff --git a/development/states/confirm-sig-requests.json b/development/states/confirm-sig-requests.json
index d531b2ef7..e7658aa29 100644
--- a/development/states/confirm-sig-requests.json
+++ b/development/states/confirm-sig-requests.json
@@ -157,7 +157,6 @@
     "preferences": {
       "useNativeCurrencyAsPrimaryCurrency": true
     },
-    "completedUiMigration": true,
     "frequentRpcListDetail": []
   },
   "appState": {
diff --git a/development/states/currency-localization.json b/development/states/currency-localization.json
index a9a37ecd0..f9cfddb73 100644
--- a/development/states/currency-localization.json
+++ b/development/states/currency-localization.json
@@ -116,7 +116,6 @@
       "useNativeCurrencyAsPrimaryCurrency": true,
       "showFiatInTestnets": true
     },
-    "completedUiMigration": true,
     "frequentRpcListDetail": []
   },
   "appState": {
diff --git a/development/states/send-edit.json b/development/states/send-edit.json
index 7c7e8f097..df97e1ef5 100644
--- a/development/states/send-edit.json
+++ b/development/states/send-edit.json
@@ -138,7 +138,6 @@
       "useNativeCurrencyAsPrimaryCurrency": true,
       "showFiatInTestnets": true
     },
-    "completedUiMigration": true,
     "frequentRpcListDetail": []
   },
   "appState": {
diff --git a/development/states/send-new-ui.json b/development/states/send-new-ui.json
index 75982f318..545bd532d 100644
--- a/development/states/send-new-ui.json
+++ b/development/states/send-new-ui.json
@@ -117,7 +117,6 @@
       "useNativeCurrencyAsPrimaryCurrency": true,
       "showFiatInTestnets": true
     },
-    "completedUiMigration": true,
     "frequentRpcListDetail": []
   },
   "appState": {
diff --git a/development/states/tx-list-items.json b/development/states/tx-list-items.json
index 4190ee149..e3f91ad0e 100644
--- a/development/states/tx-list-items.json
+++ b/development/states/tx-list-items.json
@@ -1059,7 +1059,6 @@
     "preferences": {
       "useNativeCurrencyAsPrimaryCurrency": true
     },
-    "completedUiMigration": true,
     "frequentRpcListDetail": []
   },
   "appState": {
diff --git a/ui/app/components/app/index.scss b/ui/app/components/app/index.scss
index e9bb4ac9f..c8516c91c 100644
--- a/ui/app/components/app/index.scss
+++ b/ui/app/components/app/index.scss
@@ -77,5 +77,3 @@
 @import 'gas-customization/index';
 
 @import 'gas-customization/gas-price-button-group/index';
-
-@import 'ui-migration-annoucement/index';
diff --git a/ui/app/components/app/ui-migration-annoucement/index.js b/ui/app/components/app/ui-migration-annoucement/index.js
deleted file mode 100644
index c6c8cc619..000000000
--- a/ui/app/components/app/ui-migration-annoucement/index.js
+++ /dev/null
@@ -1 +0,0 @@
-export {default} from './ui-migration-announcement.container'
diff --git a/ui/app/components/app/ui-migration-annoucement/index.scss b/ui/app/components/app/ui-migration-annoucement/index.scss
deleted file mode 100644
index 6138a3079..000000000
--- a/ui/app/components/app/ui-migration-annoucement/index.scss
+++ /dev/null
@@ -1,22 +0,0 @@
-.ui-migration-announcement {
-  position: absolute;
-  z-index: 9999;
-  width: 100vw;
-  height: 100vh;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  background: $white;
-
-  p {
-    box-sizing: border-box;
-    padding: 1em;
-    font-size: 12pt;
-  }
-
-  p:last-of-type {
-    cursor: pointer;
-    text-decoration: underline;
-    font-weight: bold;
-  }
-}
diff --git a/ui/app/components/app/ui-migration-annoucement/ui-migration-annoucement.component.js b/ui/app/components/app/ui-migration-annoucement/ui-migration-annoucement.component.js
deleted file mode 100644
index 7a4124972..000000000
--- a/ui/app/components/app/ui-migration-annoucement/ui-migration-annoucement.component.js
+++ /dev/null
@@ -1,33 +0,0 @@
-import PropTypes from 'prop-types'
-import React, {PureComponent} from 'react'
-
-export default class UiMigrationAnnouncement extends PureComponent {
-  static contextTypes = {
-    t: PropTypes.func.isRequired,
-  }
-
-  static defaultProps = {
-    shouldShowAnnouncement: true,
-  };
-
-  static propTypes = {
-    onClose: PropTypes.func.isRequired,
-    shouldShowAnnouncement: PropTypes.bool,
-  }
-
-  render () {
-    const { t } = this.context
-    const { onClose, shouldShowAnnouncement } = this.props
-
-    if (!shouldShowAnnouncement) {
-      return null
-    }
-
-    return (
-      <div className="ui-migration-announcement">
-        <p>{t('uiMigrationAnnouncement')}</p>
-        <p onClick={onClose}>{t('close')}</p>
-      </div>
-    )
-  }
-}
diff --git a/ui/app/components/app/ui-migration-annoucement/ui-migration-announcement.container.js b/ui/app/components/app/ui-migration-annoucement/ui-migration-announcement.container.js
deleted file mode 100644
index 55efd5a44..000000000
--- a/ui/app/components/app/ui-migration-annoucement/ui-migration-announcement.container.js
+++ /dev/null
@@ -1,21 +0,0 @@
-import { connect } from 'react-redux'
-import UiMigrationAnnouncement from './ui-migration-annoucement.component'
-import { setCompletedUiMigration } from '../../../store/actions'
-
-const mapStateToProps = (state) => {
-  const shouldShowAnnouncement = !state.metamask.completedUiMigration
-
-  return {
-    shouldShowAnnouncement,
-  }
-}
-
-const mapDispatchToProps = dispatch => {
-  return {
-    onClose () {
-      dispatch(setCompletedUiMigration())
-    },
-  }
-}
-
-export default connect(mapStateToProps, mapDispatchToProps)(UiMigrationAnnouncement)
diff --git a/ui/app/ducks/metamask/metamask.js b/ui/app/ducks/metamask/metamask.js
index 3ca487c1f..64ce064b9 100644
--- a/ui/app/ducks/metamask/metamask.js
+++ b/ui/app/ducks/metamask/metamask.js
@@ -403,12 +403,6 @@ function reduceMetamask (state, action) {
       })
     }
 
-    case actions.COMPLETE_UI_MIGRATION: {
-      return extend(metamaskState, {
-        completedUiMigration: true,
-      })
-    }
-
     case actions.SET_FIRST_TIME_FLOW_TYPE: {
       return extend(metamaskState, {
         firstTimeFlowType: action.value,
diff --git a/ui/app/pages/routes/index.js b/ui/app/pages/routes/index.js
index 9eeac2da2..afef0692e 100644
--- a/ui/app/pages/routes/index.js
+++ b/ui/app/pages/routes/index.js
@@ -24,7 +24,6 @@ import Settings from '../settings'
 import Authenticated from '../../helpers/higher-order-components/authenticated'
 import Initialized from '../../helpers/higher-order-components/initialized'
 import Lock from '../lock'
-import UiMigrationAnnouncement from '../../components/app/ui-migration-annoucement'
 const RestoreVaultPage = require('../keychains/restore-vault').default
 const RevealSeedConfirmation = require('../keychains/reveal-seed')
 const MobileSyncPage = require('../mobile-sync')
@@ -214,7 +213,6 @@ class Routes extends Component {
           }
         }}
       >
-        <UiMigrationAnnouncement />
         <Modal />
         <Alert
           visible={this.props.alertOpen}
diff --git a/ui/app/store/actions.js b/ui/app/store/actions.js
index 476a77b42..389a47d46 100644
--- a/ui/app/store/actions.js
+++ b/ui/app/store/actions.js
@@ -321,11 +321,6 @@ var actions = {
   setShowFiatConversionOnTestnetsPreference,
   setAutoLogoutTimeLimit,
 
-  // Migration of users to new UI
-  setCompletedUiMigration,
-  completeUiMigration,
-  COMPLETE_UI_MIGRATION: 'COMPLETE_UI_MIGRATION',
-
   // Onboarding
   setCompletedOnboarding,
   completeOnboarding,
@@ -2513,31 +2508,6 @@ function completeOnboarding () {
   }
 }
 
-function setCompletedUiMigration () {
-  return dispatch => {
-    dispatch(actions.showLoadingIndication())
-    return new Promise((resolve, reject) => {
-      background.completeUiMigration(err => {
-        dispatch(actions.hideLoadingIndication())
-
-        if (err) {
-          dispatch(actions.displayWarning(err.message))
-          return reject(err)
-        }
-
-        dispatch(actions.completeUiMigration())
-        resolve()
-      })
-    })
-  }
-}
-
-function completeUiMigration () {
-  return {
-    type: actions.COMPLETE_UI_MIGRATION,
-  }
-}
-
 function setNetworkNonce (networkNonce) {
   return {
     type: actions.SET_NETWORK_NONCE,