diff --git a/package.json b/package.json
index fa2dc8a187..fe591a8bd2 100644
--- a/package.json
+++ b/package.json
@@ -60,7 +60,6 @@
     "react": "18.2.0",
     "react-dom": "18.2.0",
     "react-inspector": "5.1.1",
-    "react-markdown": "4.3.1",
     "react-redux": "7.2.6",
     "react-remove-scroll": "^2.5.5",
     "react-router-dom": "6.6.2",
diff --git a/src/assets/images/connecting-data-in-progress.svg b/src/assets/images/connecting-data-in-progress.svg
deleted file mode 100644
index 3d63570e89..0000000000
--- a/src/assets/images/connecting-data-in-progress.svg
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/src/components/Banners/UpdateMessage.jsx b/src/components/Banners/UpdateMessage.jsx
deleted file mode 100644
index f72691fd4c..0000000000
--- a/src/components/Banners/UpdateMessage.jsx
+++ /dev/null
@@ -1,66 +0,0 @@
-import React, { useState, useCallback } from 'react'
-import { useI18n } from 'cozy-ui/transpiled/react/providers/I18n'
-import Button from 'cozy-ui/transpiled/react/deprecated/Button'
-import Infos from 'cozy-ui/transpiled/react/deprecated/Infos'
-import Typography from 'cozy-ui/transpiled/react/Typography'
-import PropTypes from 'prop-types'
-import { useClient } from 'cozy-client'
-import Intents from 'cozy-interapp'
-
-const UpdateMessage = props => {
-  const [isRedirecting, setIsRedirecting] = useState(false)
-  const { t } = useI18n()
-  const { isBlocking, konnector } = props
-  const client = useClient()
-  const intents = new Intents({ client })
-  const handleRedirectToStore = useCallback(async () => {
-    setIsRedirecting(true)
-
-    try {
-      await intents.redirect('io.cozy.apps', {
-        slug: konnector.slug,
-        step: 'update'
-      })
-    } catch (error) {
-      /* eslint-disable-next-line no-console */
-      console.error(error)
-      setIsRedirecting(false)
-    }
-  }, [konnector])
-
-  return (
-    <Infos
-      theme={isBlocking ? 'danger' : 'secondary'}
-      description={
-        <>
-          <Typography
-            variant="h5"
-            gutterBottom
-            className={isBlocking ? 'u-error' : ''}
-          >
-            {t('update.title')}
-          </Typography>
-          <Typography variant="body1">
-            {isBlocking ? t('update.blocking') : t('update.regular')}
-          </Typography>
-        </>
-      }
-      action={
-        <Button
-          label={t('update.CTA')}
-          theme="danger"
-          className="u-m-0"
-          onClick={handleRedirectToStore}
-          disabled={isRedirecting}
-        />
-      }
-    />
-  )
-}
-
-UpdateMessage.propTypes = {
-  konnector: PropTypes.object.isRequired,
-  isBlocking: PropTypes.bool
-}
-
-export default UpdateMessage
diff --git a/src/components/DescriptionContent.jsx b/src/components/DescriptionContent.jsx
deleted file mode 100644
index 597d08457c..0000000000
--- a/src/components/DescriptionContent.jsx
+++ /dev/null
@@ -1,48 +0,0 @@
-import React from 'react'
-import classNames from 'classnames'
-
-import ReactMarkdownWrapper from 'components/ReactMarkdownWrapper'
-import styles from 'styles/descriptionContent.styl'
-
-export const DescriptionContent = ({
-  cssClassesObject,
-  title,
-  messages,
-  children,
-  hasError,
-  centerTitle
-}) => {
-  return (
-    <div className={classNames(cssClassesObject)}>
-      {title && (
-        <h4
-          className={
-            centerTitle
-              ? styles['col-account-description-title-centered']
-              : styles['col-account-description-title']
-          }
-        >
-          {title}
-        </h4>
-      )}
-      {messages &&
-        messages.length > 0 &&
-        messages.map((m, i) => {
-          return m ? (
-            <div
-              key={i}
-              className={classNames(
-                styles['col-account-description-message'],
-                hasError && 'errors'
-              )}
-            >
-              <ReactMarkdownWrapper source={m} />
-            </div>
-          ) : null
-        })}
-      {children}
-    </div>
-  )
-}
-
-export default DescriptionContent
diff --git a/src/components/KonnectorErrors.jsx b/src/components/KonnectorErrors.jsx
deleted file mode 100644
index 1322c73324..0000000000
--- a/src/components/KonnectorErrors.jsx
+++ /dev/null
@@ -1,212 +0,0 @@
-import PropTypes from 'prop-types'
-import React from 'react'
-import flow from 'lodash/flow'
-import keyBy from 'lodash/keyBy'
-import { connect } from 'react-redux'
-import { useClient, models } from 'cozy-client'
-import { useNavigate } from 'react-router-dom'
-
-import AppIcon from 'cozy-ui/transpiled/react/AppIcon'
-import Button from 'cozy-ui/transpiled/react/deprecated/Button'
-import CrossButton from 'cozy-ui/transpiled/react/Icons/Cross'
-import Divider from 'cozy-ui/transpiled/react/Divider'
-import Icon from 'cozy-ui/transpiled/react/Icon'
-import IconButton from 'cozy-ui/transpiled/react/IconButton'
-import Infos from 'cozy-ui/transpiled/react/deprecated/Infos'
-import InfosCarrousel from 'cozy-ui/transpiled/react/deprecated/InfosCarrousel'
-import Typography from 'cozy-ui/transpiled/react/Typography'
-import useBreakpoints from 'cozy-ui/transpiled/react/providers/Breakpoints'
-import { Media, Bd } from 'cozy-ui/transpiled/react/deprecated/Media'
-import { getErrorLocaleBound, KonnectorJobError } from 'cozy-harvest-lib'
-import { useI18n } from 'cozy-ui/transpiled/react/providers/I18n'
-
-import {
-  getAccountsWithErrors,
-  getInstalledKonnectors,
-  getTriggersInError
-} from 'reducers/index'
-import ReactMarkdownWrapper from 'components/ReactMarkdownWrapper'
-import homeConfig from 'config/home.json'
-
-const {
-  triggers: { triggers: triggersModel, triggerStates: triggerStatesModel },
-  accounts: accountsModel
-} = models
-
-const muteTrigger = async (client, trigger, accountsById) => {
-  const accountId = triggersModel.getAccountId(trigger)
-  const initialAccount = accountsById[accountId]
-  const errorType = triggerStatesModel.getLastErrorType(trigger)
-  const account = accountsModel.muteError(initialAccount, errorType)
-
-  await client.save(account)
-}
-
-const getKonnectorSlug = konnector => konnector.slug
-
-// TODO, use directly Infos prop dismissAction when
-// https://github.com/cozy/cozy-ui/pull/1724 is merged
-// Here we need the aria-label for tests, and IconButton for style
-const InfosDismissButton = ({ onClick }) => {
-  const { t } = useI18n()
-  return (
-    <IconButton
-      aria-label={t('connector.mute')}
-      onClick={onClick}
-      style={dismissButtonStyle}
-    >
-      <Icon icon={CrossButton} size={12} />
-    </IconButton>
-  )
-}
-
-const dismissButtonStyle = {
-  position: 'absolute',
-  top: '0.5rem',
-  right: '0.5rem'
-}
-
-const KonnectorError = ({
-  trigger,
-  triggerErrors,
-  index,
-  konnectorsBySlug,
-  accountsById
-}) => {
-  const client = useClient()
-  const { t, lang } = useI18n()
-  const { isMobile } = useBreakpoints()
-  const errorType = triggerStatesModel.getLastErrorType(trigger)
-  const konnError = new KonnectorJobError(errorType)
-  const konnectorSlug = triggersModel.getKonnector(trigger)
-  const konnectorAccount = triggersModel.getAccountId(trigger)
-  const konnector = konnectorsBySlug[konnectorSlug]
-  const navigate = useNavigate()
-
-  const errorTitle = getErrorLocaleBound(konnError, konnector, lang, 'title')
-
-  const errorDescription = getErrorLocaleBound(
-    konnError,
-    konnector,
-    lang,
-    'description'
-  )
-
-  const handleDismiss = () => {
-    muteTrigger(client, trigger, accountsById)
-  }
-
-  return (
-    <Infos
-      theme="danger"
-      key={trigger._id}
-      description={
-        <>
-          <InfosDismissButton onClick={handleDismiss} />
-          <Media>
-            <AppIcon
-              alt={t('app.logo.alt', { name: konnectorSlug })}
-              app={konnectorSlug}
-              type="konnector"
-              className="u-w-2 u-h-2 u-w-1-half-s u-h-1-half-s u-mr-1"
-            />
-            <Bd>
-              <Typography variant="caption" color="error">
-                {konnector.name}
-              </Typography>
-              <Typography variant="h5" className="u-error">
-                {triggerErrors.length > 1
-                  ? `(${index + 1}/${triggerErrors.length}) `
-                  : null}
-                {errorTitle}
-              </Typography>
-            </Bd>
-          </Media>
-          <div>
-            <Typography
-              component="div"
-              variant="body1"
-              className="u-fz-small-m"
-            >
-              <ReactMarkdownWrapper source={errorDescription} />
-            </Typography>
-          </div>
-        </>
-      }
-      action={
-        <Button
-          theme="secondary"
-          label={t('fix_konnector_error')}
-          className="u-mh-0"
-          size={isMobile ? 'small' : 'normal'}
-          onClick={() =>
-            navigate(`/connected/${konnectorSlug}/accounts/${konnectorAccount}`)
-          }
-        />
-      }
-    />
-  )
-}
-
-export const KonnectorErrors = ({
-  triggersInError,
-  accountsWithErrors,
-  installedKonnectors
-}) => {
-  const { t } = useI18n()
-  const accountsWithErrorsById = keyBy(accountsWithErrors, '_id')
-  const installedKonnectorsBySlug = keyBy(installedKonnectors, getKonnectorSlug)
-  const nonMutedTriggerErrors = triggersInError.filter(trigger => {
-    const errorType = triggerStatesModel.getLastErrorType(trigger)
-    const accountId = triggersModel.getAccountId(trigger)
-    const account = accountsWithErrorsById[accountId]
-    const konnectorSlug = triggersModel.getKonnector(trigger)
-    const hasInstalledKonnector =
-      installedKonnectors &&
-      installedKonnectors.some(({ slug }) => slug === konnectorSlug)
-
-    return (
-      homeConfig.displayedErrorTypes.includes(errorType) &&
-      hasInstalledKonnector &&
-      account &&
-      !triggersModel.isLatestErrorMuted(trigger, account)
-    )
-  })
-
-  return nonMutedTriggerErrors.length > 0 ? (
-    <div className="KonnectorErrors">
-      <InfosCarrousel theme="danger">
-        {nonMutedTriggerErrors.map((trigger, index) => (
-          <KonnectorError
-            key={trigger._id}
-            trigger={trigger}
-            triggerErrors={nonMutedTriggerErrors}
-            konnectorsBySlug={installedKonnectorsBySlug}
-            accountsById={accountsWithErrorsById}
-            index={index}
-          />
-        ))}
-      </InfosCarrousel>
-    </div>
-  ) : (
-    <Divider className="u-mv-0" variant="subtitle2">
-      {t('connector.title')}
-    </Divider>
-  )
-}
-
-KonnectorErrors.propTypes = {
-  accountsWithErrors: PropTypes.array.isRequired,
-  installedKonnectors: PropTypes.arrayOf(PropTypes.object.isRequired),
-  triggersInError: PropTypes.array.isRequired
-}
-
-const mapStateToProps = state => {
-  return {
-    accountsWithErrors: getAccountsWithErrors(state),
-    installedKonnectors: getInstalledKonnectors(state),
-    triggersInError: getTriggersInError(state)
-  }
-}
-
-export default flow(connect(mapStateToProps))(KonnectorErrors)
diff --git a/src/components/KonnectorInstall.jsx b/src/components/KonnectorInstall.jsx
deleted file mode 100644
index fcfb990c56..0000000000
--- a/src/components/KonnectorInstall.jsx
+++ /dev/null
@@ -1,97 +0,0 @@
-import React, { Component } from 'react'
-import { connect } from 'react-redux'
-
-import { IntentTriggerManager } from 'cozy-harvest-lib'
-import { translate } from 'cozy-ui/transpiled/react/providers/I18n'
-
-import KonnectorSuccess from 'components/KonnectorSuccess'
-import { getKonnector } from 'ducks/konnectors'
-import styles from 'styles/konnectorInstall.styl'
-
-const vaultUnlockFormProps = { useAllAvailableSpace: true }
-
-export class KonnectorInstall extends Component {
-  constructor(props) {
-    super(props)
-    this.state = {
-      trigger: null,
-      success: false
-    }
-    this.handleLoginSuccess = this.handleLoginSuccess.bind(this)
-    this.handleSuccess = this.handleSuccess.bind(this)
-  }
-
-  handleLoginSuccess(trigger) {
-    this.setState({
-      trigger,
-      success: true
-    })
-
-    this.props.onLoginSuccess(trigger)
-  }
-
-  handleSuccess(trigger) {
-    this.setState({
-      trigger,
-      success: true
-    })
-
-    this.props.onSuccess(trigger)
-  }
-
-  render() {
-    const {
-      account,
-      konnector,
-      legacySuccess,
-      onDone,
-      successMessage,
-      successMessages,
-      successButtonLabel,
-      t,
-      onCancel
-    } = this.props
-
-    const { trigger, success } = this.state
-
-    if (success || legacySuccess) {
-      return (
-        <KonnectorSuccess
-          account={account}
-          connector={konnector}
-          folderId={trigger && trigger.message.folder_to_save}
-          onDone={onDone}
-          title={successMessage}
-          trigger={trigger}
-          messages={successMessages}
-          successButtonLabel={successButtonLabel}
-        />
-      )
-    }
-
-    return (
-      <div className={styles['col-account-connection-content']}>
-        <div className={styles['col-account-connection-form']}>
-          <h4 className="u-ta-center">
-            {t('account.config.title', { name: konnector.name })}
-          </h4>
-          <IntentTriggerManager
-            vaultUnlockFormProps={vaultUnlockFormProps}
-            account={account}
-            konnector={konnector}
-            onLoginSuccess={this.handleLoginSuccess}
-            onSuccess={this.handleSuccess}
-            vaultClosable={false}
-            onClose={onCancel}
-          />
-        </div>
-      </div>
-    )
-  }
-}
-
-const mapStateToProps = (state, ownProps) => ({
-  konnector: getKonnector(state.cozy, ownProps.connector.slug)
-})
-
-export default translate()(connect(mapStateToProps)(KonnectorInstall))
diff --git a/src/components/KonnectorMaintenance.jsx b/src/components/KonnectorMaintenance.jsx
deleted file mode 100644
index 04360e905b..0000000000
--- a/src/components/KonnectorMaintenance.jsx
+++ /dev/null
@@ -1,31 +0,0 @@
-import React from 'react'
-
-import ReactMarkdownWrapper from 'components/ReactMarkdownWrapper'
-
-import styles from 'styles/konnectorMaintenance.styl'
-import { useI18n } from 'cozy-ui/transpiled/react/providers/I18n'
-
-const KonnectorMaintenance = ({ maintenance, lang, konnectorName }) => {
-  const { t } = useI18n()
-
-  return (
-    <div className={styles['maintenance']}>
-      <div className={styles['maintenance-intro']}>
-        <div className={styles['maintenance-icon']} />
-        <h3 className={styles['maintenance-service']}>
-          {t('maintenance.service')}
-        </h3>
-        <p className={styles['maintenance-problem']}>
-          {t('maintenance.problem', { konnectorName })}
-        </p>
-      </div>
-      <h4 className={styles['maintenance-title']}>{t('maintenance.title')}</h4>
-      <ReactMarkdownWrapper
-        className={styles['maintenance-message']}
-        source={maintenance.message[lang] || maintenance.message['en']}
-      />
-    </div>
-  )
-}
-
-export default KonnectorMaintenance
diff --git a/src/components/KonnectorSuccess.jsx b/src/components/KonnectorSuccess.jsx
deleted file mode 100644
index fb3fce792d..0000000000
--- a/src/components/KonnectorSuccess.jsx
+++ /dev/null
@@ -1,153 +0,0 @@
-import classNames from 'classnames'
-import has from 'lodash/has'
-import sortBy from 'lodash/sortBy'
-import React, { Component } from 'react'
-import PropTypes from 'prop-types'
-
-import Button from 'cozy-ui/transpiled/react/deprecated/Button'
-import { translate } from 'cozy-ui/transpiled/react/providers/I18n'
-
-import styles from 'styles/konnectorSuccess.styl'
-import DescriptionContent from 'components/DescriptionContent'
-import TriggerFolderLink from 'components/TriggerFolderLink'
-import BanksLink from 'components/BanksLink'
-import connectingIllu from 'assets/images/connecting-data-in-progress.svg'
-
-const SuccessImage = () => (
-  <div className={styles['col-account-success-illu-wrapper']}>
-    <img src={connectingIllu} className={styles['col-account-success-illu']} />
-  </div>
-)
-
-const SuccessLinks = ({ children }) => (
-  <p className={classNames(styles['col-account-success-links'], 'u-mv-half')}>
-    {children}
-  </p>
-)
-
-const DriveLink = translate()(({ folderId, t }) => (
-  <TriggerFolderLink
-    folderId={folderId}
-    label={t('account.success.driveLinkText')}
-  />
-))
-
-const SuccessFooter = translate()(({ children }) => (
-  <div className={styles['coz-form-controls-success']}>
-    <div className={styles['col-account-form-success-buttons']}>{children}</div>
-  </div>
-))
-
-export class KonnectorSuccess extends Component {
-  componentDidMount() {
-    if (typeof this.props.handleConnectionSuccess === 'function') {
-      this.props.handleConnectionSuccess()
-    }
-  }
-
-  render() {
-    const { account, error, title, messages } = this.props
-    const relatedApps = sortBy(
-      Object.values(KonnectorSuccess.apps).filter(app =>
-        app.predicate(this.props)
-      ),
-      app => -app.priority
-    )
-
-    const hasLinks = relatedApps.length > 0
-
-    return (
-      account && (
-        <div className={styles['col-account-success']}>
-          {!error && <SuccessImage />}
-          <DescriptionContent
-            title={!error && title}
-            messages={!error && messages}
-          >
-            {hasLinks && (
-              <SuccessLinks>
-                {relatedApps.map((app, i) =>
-                  // Should always pass context, since it's used for customisation
-                  app.successLink(this.props, this.context, i)
-                )}
-              </SuccessLinks>
-            )}
-          </DescriptionContent>
-
-          <SuccessFooter>
-            {relatedApps.length > 0
-              ? // Should always pass context, since it's used for customisation
-                relatedApps[0].footerLink(this.props, this.context)
-              : null}
-          </SuccessFooter>
-        </div>
-      )
-    )
-  }
-}
-
-KonnectorSuccess.apps = {
-  drive: {
-    priority: 1,
-    // eslint-disable-next-line react/display-name
-    predicate: props => {
-      const trigger = props.trigger
-      const res = has(trigger, 'message.folder_to_save')
-      return res
-    },
-    // eslint-disable-next-line react/display-name
-    successLink: (props, context, i) => {
-      return (
-        <DriveLink key={i} folderId={props.trigger.message.folder_to_save} />
-      )
-    },
-    // eslint-disable-next-line react/display-name
-    footerLink: props => {
-      const { t, onDone, account, successButtonLabel } = props
-      return (
-        <Button
-          label={successButtonLabel || t('account.success.button')}
-          onClick={event => {
-            event.preventDefault()
-            onDone(account)
-          }}
-        />
-      )
-    }
-  },
-
-  banks: {
-    priority: 0,
-    // eslint-disable-next-line react/display-name
-    predicate: props => {
-      const connector = props.connector
-      return (
-        Array.isArray(connector.data_types) &&
-        connector.data_types.includes('bankAccounts')
-      )
-    },
-    // eslint-disable-next-line react/display-name
-    successLink: (props, context, i) => {
-      return <BanksLink key={i} banksUrl={context.store.banksUrl} />
-    },
-    footerLink: () => null
-  }
-}
-
-KonnectorSuccess.contextTypes = {
-  store: PropTypes.object
-}
-
-KonnectorSuccess.propTypes = {
-  account: PropTypes.object.isRequired,
-  error: PropTypes.string,
-  title: PropTypes.string.isRequired,
-  messages: PropTypes.arrayOf(PropTypes.string),
-  onDone: PropTypes.func.isRequired,
-  successButtonLabel: PropTypes.string,
-  trigger: PropTypes.object.isRequired
-}
-
-export { SuccessImage, SuccessLinks, BanksLink, DriveLink }
-
-export default translate()(KonnectorSuccess)
diff --git a/src/components/ReactMarkdownWrapper.jsx b/src/components/ReactMarkdownWrapper.jsx
deleted file mode 100644
index e7cb364f7f..0000000000
--- a/src/components/ReactMarkdownWrapper.jsx
+++ /dev/null
@@ -1,17 +0,0 @@
-import React from 'react'
-import ReactMarkdown from 'react-markdown'
-
-export const reactMarkdownRendererOptions = {
-  // eslint-disable-next-line react/display-name
-  Link: props => (
-    <a href={props.href} rel="noopener noreferrer" target="_blank">
-      {props.children}
-    </a>
-  )
-}
-
-export const ReactMarkdownWrapper = ({ source }) => (
-  <ReactMarkdown source={source} renderers={reactMarkdownRendererOptions} />
-)
-
-export default ReactMarkdownWrapper
diff --git a/src/components/services/CreateAccountService.jsx b/src/components/services/CreateAccountService.jsx
deleted file mode 100644
index 2efb4d6017..0000000000
--- a/src/components/services/CreateAccountService.jsx
+++ /dev/null
@@ -1,68 +0,0 @@
-import React from 'react'
-import { connect } from 'react-redux'
-
-import { translate } from 'cozy-ui/transpiled/react/providers/I18n'
-
-import AccountConnection from 'containers/AccountConnection'
-import {
-  endConnectionCreation,
-  isConnectionRunning,
-  isCreatingConnection,
-  startConnectionCreation
-} from 'ducks/connections'
-import {
-  getCreatedConnectionAccount,
-  getTriggerByKonnectorAndAccount
-} from 'reducers/index'
-
-class CreateAccountService extends React.Component {
-  constructor(props, context) {
-    super(props, context)
-    this.props.startCreation(this.props.konnector)
-  }
-
-  onSuccess = account => {
-    this.props.endCreation()
-    this.props.onSuccess(account)
-  }
-
-  render() {
-    const { t } = this.props
-    return (
-      <div className="coz-service-content">
-        <AccountConnection
-          onDone={this.onSuccess}
-          successButtonLabel={t('intent.service.success.button.label')}
-          {...this.props}
-        />
-      </div>
-    )
-  }
-}
-
-const mapStateToProps = (state, ownProps) => {
-  // infos from route parameters
-  const { konnector } = ownProps
-  const createdAccount = getCreatedConnectionAccount(state)
-  const trigger = getTriggerByKonnectorAndAccount(
-    state,
-    konnector,
-    createdAccount
-  )
-  return {
-    createdAccount,
-    isCreating: isCreatingConnection(state.connections),
-    isRunning: isConnectionRunning(state.connections, trigger),
-    trigger
-  }
-}
-
-const mapDispatchToProps = (dispatch, ownProps) => ({
-  startCreation: () => dispatch(startConnectionCreation(ownProps.konnector)),
-  endCreation: () => dispatch(endConnectionCreation())
-})
-
-export default connect(
-  mapStateToProps,
-  mapDispatchToProps
-)(translate()(CreateAccountService))
diff --git a/src/containers/AccountConnection.jsx b/src/containers/AccountConnection.jsx
deleted file mode 100644
index ff30b0a912..0000000000
--- a/src/containers/AccountConnection.jsx
+++ /dev/null
@@ -1,165 +0,0 @@
-import PropTypes from 'prop-types'
-import React, { Component } from 'react'
-import { connect } from 'react-redux'
-
-import { translate } from 'cozy-ui/transpiled/react/providers/I18n'
-
-import KonnectorInstall from 'components/KonnectorInstall'
-import KonnectorMaintenance from 'components/KonnectorMaintenance'
-import UpdateMessage from 'components/Banners/UpdateMessage'
-import styles from 'styles/accountConnection.styl'
-import { isKonnectorUpdateNeededError } from 'lib/konnectors'
-import {
-  enqueueConnection,
-  getConnectionError,
-  isConnectionConnected,
-  isConnectionEnqueued
-} from 'ducks/connections'
-
-class AccountConnection extends Component {
-  constructor(props, context) {
-    super(props, context)
-    this.store = context.store
-
-    this.state = {
-      isFetching: false,
-      maintenance: props.maintenance && props.maintenance[props.konnector.slug]
-    }
-
-    this.handleLoginSuccess = this.handleLoginSuccess.bind(this)
-    this.handleError = this.handleError.bind(this)
-    this.handleDeleteSuccess = this.handleDeleteSuccess.bind(this)
-  }
-
-  componentDidMount() {
-    if (this.props.error) this.handleError({ message: this.props.error })
-  }
-
-  componentDidUpdate(prevProps) {
-    const { success, queued } = this.props
-    const { connectionError } = this.state
-
-    const succeed = !prevProps.success && success
-    const loginSucceed = !prevProps.queued && queued
-
-    if (succeed || loginSucceed) {
-      // we reset the error in case of persisted errors
-      if (succeed && connectionError) this.setState({ connectionError: null })
-      this.props.handleConnectionSuccess()
-    }
-  }
-
-  handleLoginSuccess(trigger) {
-    const { enqueueConnection, handleConnectionSuccess } = this.props
-    handleConnectionSuccess()
-    enqueueConnection(trigger)
-  }
-
-  handleDeleteSuccess() {
-    this.setState({
-      submitting: false
-    })
-
-    this.props.handleDeleteSuccess()
-  }
-
-  handleError(error) {
-    // eslint-disable-next-line no-console
-    console.error(error)
-
-    this.setState({
-      submitting: false,
-      connectionError: error.message
-    })
-  }
-
-  buildSuccessMessages(konnector) {
-    const { t } = this.props
-    const messages = [
-      t('account.message.success.connect', {
-        name: konnector.name
-      })
-    ]
-
-    if (
-      konnector.additionnalSuccessMessage &&
-      konnector.additionnalSuccessMessage.message
-    ) {
-      messages.push(t(konnector.additionnalSuccessMessage.message))
-    }
-
-    return messages
-  }
-
-  render() {
-    const {
-      createdAccount,
-      error,
-      handleConnectionSuccess,
-      konnector,
-      lang,
-      onCancel,
-      onDone,
-      queued,
-      success,
-      successButtonLabel,
-      t
-    } = this.props
-    const { connectionError, oAuthError, maintenance } = this.state
-    const successMessages =
-      success || queued ? this.buildSuccessMessages(konnector) : []
-    const konnectorError = error || oAuthError || connectionError
-    return (
-      <div className={styles['col-account-connection']}>
-        {!!konnector.available_version && (
-          <UpdateMessage
-            konnector={konnector}
-            error={konnectorError}
-            isBlocking={isKonnectorUpdateNeededError(konnectorError)}
-          />
-        )}
-        {maintenance ? (
-          <KonnectorMaintenance
-            maintenance={maintenance}
-            lang={lang}
-            konnectorName={konnector.name}
-          />
-        ) : (
-          <KonnectorInstall
-            account={createdAccount}
-            connector={konnector}
-            onCancel={onCancel}
-            onDone={onDone}
-            onLoginSuccess={this.handleLoginSuccess}
-            onSuccess={handleConnectionSuccess}
-            legacySuccess={success || queued}
-            successMessage={t('account.success.title.connect')}
-            successButtonLabel={successButtonLabel}
-            successMessages={successMessages}
-          />
-        )}
-      </div>
-    )
-  }
-}
-
-AccountConnection.contextTypes = {
-  store: PropTypes.object
-}
-
-const mapStateToProps = (state, ownProps) => ({
-  error: getConnectionError(state.connections, ownProps.trigger),
-  queued: isConnectionEnqueued(state.connections, ownProps.trigger),
-  success: isConnectionConnected(state.connections, ownProps.trigger)
-})
-
-const mapDispatchToProps = dispatch => {
-  return {
-    enqueueConnection: trigger => dispatch(enqueueConnection(trigger))
-  }
-}
-
-export default connect(
-  mapStateToProps,
-  mapDispatchToProps
-)(translate()(AccountConnection))
diff --git a/src/lib/konnectors.js b/src/lib/konnectors.js
index 77cd3e8ad8..e26754c79e 100644
--- a/src/lib/konnectors.js
+++ b/src/lib/konnectors.js
@@ -68,14 +68,6 @@ export function isKonnectorKnownError(error) {
   return error && error.type && Object.keys(ERROR_TYPES).includes(error.type)
 }
 
-export function isKonnectorUpdateNeededError(error) {
-  return (
-    error &&
-    error.type &&
-    Object.keys(UPDATE_NEEDED_ERRORS_TYPES).includes(error.type)
-  )
-}
-
 export function buildKonnectorError(message) {
   var error = new Error(message)
   error.type = message.split('.')[0]
diff --git a/src/styles/descriptionContent.styl b/src/styles/descriptionContent.styl
deleted file mode 100644
index 39a722459f..0000000000
--- a/src/styles/descriptionContent.styl
+++ /dev/null
@@ -1,11 +0,0 @@
-.col-account-description-title, .col-account-description-title-centered
-    margin 1.1rem 0 .5rem
-    font-size 1.125rem
-
-.col-account-description-title-centered
-    text-align center
-
-.col-account-description-message
-    margin .5rem 0
-    p
-        margin .5rem 0
diff --git a/test/components/Banners/UpdateMessage.spec.jsx b/test/components/Banners/UpdateMessage.spec.jsx
deleted file mode 100644
index 57636951ab..0000000000
--- a/test/components/Banners/UpdateMessage.spec.jsx
+++ /dev/null
@@ -1,38 +0,0 @@
-'use strict'
-
-import React from 'react'
-import { render } from '@testing-library/react'
-
-import AppLike from 'test/AppLike'
-
-import UpdateMessage from 'components/Banners/UpdateMessage'
-
-describe('UpdateMessage component', () => {
-  it(`should be render correctly if not blocking update`, () => {
-    const root = render(
-      <AppLike>
-        <UpdateMessage konnector={{}} />
-      </AppLike>
-    )
-    expect(
-      root.getByText('An update is available for this service.')
-    ).toBeTruthy()
-    expect(
-      root.getByText(
-        'Perform this update to keep fetching your data and to have the latest features'
-      )
-    ).toBeTruthy()
-  })
-
-  it(`should be render correctly if blocking update`, () => {
-    const root = render(
-      <AppLike>
-        <UpdateMessage konnector={{}} isBlocking />
-      </AppLike>
-    )
-    expect(
-      root.getByText('An update is available for this service.')
-    ).toBeTruthy()
-    expect(root.getByText('Update it to keep fetching your data'))
-  })
-})
diff --git a/test/components/DescriptionContent.spec.js b/test/components/DescriptionContent.spec.js
deleted file mode 100644
index dfd8727faf..0000000000
--- a/test/components/DescriptionContent.spec.js
+++ /dev/null
@@ -1,45 +0,0 @@
-import React from 'react'
-import { render } from '@testing-library/react'
-
-import { tMock } from '../jestLib/I18n'
-import { DescriptionContent } from 'components/DescriptionContent'
-
-describe('DescriptionContent component', () => {
-  beforeEach(() => {
-    jest.resetModules()
-  })
-
-  it('should be displayed correctly with just title and children', () => {
-    const { container } = render(
-      <DescriptionContent t={tMock} title="A title mock">
-        Test description component children
-      </DescriptionContent>
-    )
-    expect(container).toMatchSnapshot()
-  })
-
-  it('should handle css from props via cssClassesObject', () => {
-    const cssClassesObject = { 'col-mock-class': true }
-    const { container } = render(
-      <DescriptionContent
-        t={tMock}
-        title="A title mock"
-        cssClassesObject={cssClassesObject}
-      />
-    )
-    expect(container).toMatchSnapshot()
-  })
-
-  it('should be displayed correctly with two messages', () => {
-    const messages = [
-      '**First** message `here`',
-      'second message with [link](https://examplelink.mock)'
-    ]
-    const { container } = render(
-      <DescriptionContent t={tMock} title="A title mock" messages={messages}>
-        Test description component children
-      </DescriptionContent>
-    )
-    expect(container).toMatchSnapshot()
-  })
-})
diff --git a/test/components/ReactMarkdownWrapper.spec.jsx b/test/components/ReactMarkdownWrapper.spec.jsx
deleted file mode 100644
index 5b37fd7b09..0000000000
--- a/test/components/ReactMarkdownWrapper.spec.jsx
+++ /dev/null
@@ -1,42 +0,0 @@
-import React from 'react'
-import { render } from '@testing-library/react'
-
-import {
-  ReactMarkdownWrapper,
-  reactMarkdownRendererOptions
-} from 'components/ReactMarkdownWrapper'
-
-describe('ReactMarkdownWrapper component', () => {
-  beforeEach(() => {
-    jest.resetModules()
-  })
-
-  it('should be displayed correctly if source provided', () => {
-    const { container } = render(
-      <ReactMarkdownWrapper source={'**test** using `markdown`'} />
-    )
-    expect(container).toMatchSnapshot()
-  })
-
-  it('should be displayed correctly if source with link', () => {
-    const { container } = render(
-      <ReactMarkdownWrapper
-        source={
-          '**test** using [markdown](https://en.wikipedia.org/wiki/Markdown)'
-        }
-      />
-    )
-    expect(container).toMatchSnapshot()
-  })
-})
-
-describe('ReactMarkdown options', () => {
-  it('should correctly return an anchor HTML element', () => {
-    expect(
-      reactMarkdownRendererOptions.Link({
-        href: 'https://testlink.mock',
-        children: 'example link test for test'
-      })
-    ).toMatchSnapshot()
-  })
-})
diff --git a/test/components/__snapshots__/DescriptionContent.spec.js.snap b/test/components/__snapshots__/DescriptionContent.spec.js.snap
deleted file mode 100644
index e6278811b1..0000000000
--- a/test/components/__snapshots__/DescriptionContent.spec.js.snap
+++ /dev/null
@@ -1,70 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`DescriptionContent component should be displayed correctly with just title and children 1`] = `
-<div>
-  <div
-    class=""
-  >
-    <h4
-      class="col-account-description-title"
-    >
-      A title mock
-    </h4>
-    Test description component children
-  </div>
-</div>
-`;
-
-exports[`DescriptionContent component should be displayed correctly with two messages 1`] = `
-<div>
-  <div
-    class=""
-  >
-    <h4
-      class="col-account-description-title"
-    >
-      A title mock
-    </h4>
-    <div
-      class="col-account-description-message"
-    >
-      <p>
-        <strong>
-          First
-        </strong>
-         message 
-        <code>
-          here
-        </code>
-      </p>
-    </div>
-    <div
-      class="col-account-description-message"
-    >
-      <p>
-        second message with 
-        <a
-          href="https://examplelink.mock"
-        >
-          link
-        </a>
-      </p>
-    </div>
-    Test description component children
-  </div>
-</div>
-`;
-
-exports[`DescriptionContent component should handle css from props via cssClassesObject 1`] = `
-<div>
-  <div
-    class="col-mock-class"
-  >
-    <h4
-      class="col-account-description-title"
-    >
-      A title mock
-    </h4>
-  </div>
-</div>
-`;
diff --git a/test/components/__snapshots__/ReactMarkdownWrapper.spec.jsx.snap b/test/components/__snapshots__/ReactMarkdownWrapper.spec.jsx.snap
deleted file mode 100644
index af1c30913c..0000000000
--- a/test/components/__snapshots__/ReactMarkdownWrapper.spec.jsx.snap
+++ /dev/null
@@ -1,41 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`ReactMarkdown options should correctly return an anchor HTML element 1`] = `
-<a
-  href="https://testlink.mock"
-  rel="noopener noreferrer"
-  target="_blank"
->
-  example link test for test
-</a>
-`;
-
-exports[`ReactMarkdownWrapper component should be displayed correctly if source provided 1`] = `
-<div>
-  <p>
-    <strong>
-      test
-    </strong>
-     using 
-    <code>
-      markdown
-    </code>
-  </p>
-</div>
-`;
-
-exports[`ReactMarkdownWrapper component should be displayed correctly if source with link 1`] = `
-<div>
-  <p>
-    <strong>
-      test
-    </strong>
-     using 
-    <a
-      href="https://en.wikipedia.org/wiki/Markdown"
-    >
-      markdown
-    </a>
-  </p>
-</div>
-`;
diff --git a/test/lib/konnectors.spec.js b/test/lib/konnectors.spec.js
index 1a86dd6a22..00e8211758 100644
--- a/test/lib/konnectors.spec.js
+++ b/test/lib/konnectors.spec.js
@@ -79,16 +79,6 @@ describe('konnectors lib', () => {
     })
   })
 
-  describe('isKonnectorUpdateNeededError', () => {
-    it('returns true for TERMS_VERSION_MISMATCH', () => {
-      expect(
-        konnectors.isKonnectorUpdateNeededError(
-          konnectors.buildKonnectorError('TERMS_VERSION_MISMATCH')
-        )
-      ).toBe(true)
-    })
-  })
-
   describe('buildKonnectorError', () => {
     it('builds an error from a konnector to expected format', () => {
       const error = konnectors.buildKonnectorError('LOGIN_FAILED')
diff --git a/yarn.lock b/yarn.lock
index 62810d71d2..077b31f3e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13591,7 +13591,7 @@ react-lifecycles-compat@^3.0.4:
   resolved "https://registry.yarnpkg.com/react-lifecycles-compat/-/react-lifecycles-compat-3.0.4.tgz#4f1a273afdfc8f3488a8c516bfda78f872352362"
   integrity sha512-fBASbA6LnOU9dOU2eW7aQ8xmYBSXUIWr+UmF9b1efZBazGNO+rcXT/icdKnYm2pTwcRylVUYwW7H1PHfLekVzA==
 
-react-markdown@4.3.1, react-markdown@^4.0.8, react-markdown@^4.2.2:
+react-markdown@^4.0.8, react-markdown@^4.2.2:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/react-markdown/-/react-markdown-4.3.1.tgz#39f0633b94a027445b86c9811142d05381300f2f"
   integrity sha512-HQlWFTbDxTtNY6bjgp3C3uv1h2xcjCSi1zAEzfBW9OwJJvENSYiLXWNXN5hHLsoqai7RnZiiHzcnWdXk2Splzw==