diff --git a/src/components/BalanceSummary/index.js b/src/components/BalanceSummary/index.js
index da423d90..00d3d6a5 100644
--- a/src/components/BalanceSummary/index.js
+++ b/src/components/BalanceSummary/index.js
@@ -4,7 +4,7 @@ import React, { Fragment } from 'react'
 
 import { getFiatUnit } from '@ledgerhq/currencies'
 
-import type { Accounts } from 'types/common'
+import type { Account } from 'types/common'
 
 import Chart from 'components/base/NewChart'
 import Box, { Card } from 'components/base/Box'
@@ -15,7 +15,7 @@ type Props = {
   counterValue: string,
   chartColor: string,
   chartId: string,
-  accounts: Accounts,
+  accounts: Account[],
   selectedTime: string,
   daysCount: number,
   renderHeader: null | Function,
diff --git a/src/components/CalculateBalance.js b/src/components/CalculateBalance.js
index 3ae67fc4..d64f6d0e 100644
--- a/src/components/CalculateBalance.js
+++ b/src/components/CalculateBalance.js
@@ -3,7 +3,7 @@
 import { PureComponent } from 'react'
 import { connect } from 'react-redux'
 
-import type { Accounts } from 'types/common'
+import type { Account } from 'types/common'
 
 import calculateBalance from 'helpers/balance'
 
@@ -12,7 +12,7 @@ const mapStateToProps = state => ({
 })
 
 type Props = {
-  accounts: Accounts,
+  accounts: Account[],
   counterValues: Object,
   daysCount: number,
   render: Function,
diff --git a/src/components/DashboardPage/index.js b/src/components/DashboardPage/index.js
index 84054e0d..da3f1ebd 100644
--- a/src/components/DashboardPage/index.js
+++ b/src/components/DashboardPage/index.js
@@ -10,7 +10,7 @@ import chunk from 'lodash/chunk'
 import get from 'lodash/get'
 import sortBy from 'lodash/sortBy'
 
-import type { Account, Accounts, Operations, T } from 'types/common'
+import type { Account, Operation, T } from 'types/common'
 
 import { getVisibleAccounts } from 'reducers/accounts'
 import { getCounterValue } from 'reducers/settings'
@@ -41,14 +41,14 @@ const mapDispatchToProps = {
 
 type Props = {
   t: T,
-  accounts: Accounts,
+  accounts: Account[],
   push: Function,
   counterValue: string,
 }
 
 type State = {
   accountsChunk: Array<Array<Account | null>>,
-  allOperations: Operations,
+  allOperations: Operation[],
   selectedTime: string,
   daysCount: number,
 }
diff --git a/src/components/IsUnlocked.js b/src/components/IsUnlocked.js
index 3401f45d..6994c2df 100644
--- a/src/components/IsUnlocked.js
+++ b/src/components/IsUnlocked.js
@@ -6,7 +6,7 @@ import { compose } from 'redux'
 import { translate } from 'react-i18next'
 import bcrypt from 'bcryptjs'
 
-import type { Settings, Accounts, T } from 'types/common'
+import type { Settings, Account, T } from 'types/common'
 
 import get from 'lodash/get'
 
@@ -31,7 +31,7 @@ type InputValue = {
 }
 
 type Props = {
-  accounts: Accounts,
+  accounts: Account[],
   children: any,
   counterValue: string,
   fetchAccounts: Function,
diff --git a/src/components/OperationsList/index.js b/src/components/OperationsList/index.js
index 3221c8b5..4a918db7 100644
--- a/src/components/OperationsList/index.js
+++ b/src/components/OperationsList/index.js
@@ -193,7 +193,7 @@ Operation.defaultProps = {
 type Props = {
   t: T,
   onAccountClick?: Function,
-  operations: Array<OperationType>,
+  operations: OperationType[],
   withAccounts?: boolean,
   minConfirmations: number,
   title?: string,
@@ -224,7 +224,7 @@ class OperationsList extends Component<Props> {
     return !isEqual(this._hashCache, this.getHashCache(nextProps.operations))
   }
 
-  getHashCache = (operations: Array<OperationType>) => operations.map(t => t.hash)
+  getHashCache = (operations: OperationType[]) => operations.map(t => t.hash)
 
   _hashCache = null
 
diff --git a/src/components/SelectAccount/index.js b/src/components/SelectAccount/index.js
index d698ae0c..7e5bcf9a 100644
--- a/src/components/SelectAccount/index.js
+++ b/src/components/SelectAccount/index.js
@@ -6,7 +6,7 @@ import { translate } from 'react-i18next'
 import noop from 'lodash/noop'
 import { getIconByCoinType } from '@ledgerhq/currencies/react'
 
-import type { T, Accounts, Account } from 'types/common'
+import type { T, Account } from 'types/common'
 
 import { getVisibleAccounts } from 'reducers/accounts'
 
@@ -42,7 +42,7 @@ const renderItem = a => {
 }
 
 type Props = {
-  accounts: Accounts,
+  accounts: Account[],
   onChange?: () => Account | void,
   value?: Account | null,
   t: T,
diff --git a/src/components/SideBar/index.js b/src/components/SideBar/index.js
index 620c07a2..394a9df6 100644
--- a/src/components/SideBar/index.js
+++ b/src/components/SideBar/index.js
@@ -9,7 +9,7 @@ import { getIconByCoinType } from '@ledgerhq/currencies/react'
 
 import { MODAL_SEND, MODAL_RECEIVE, MODAL_ADD_ACCOUNT } from 'constants'
 
-import type { Accounts, T } from 'types/common'
+import type { Account, T } from 'types/common'
 
 import { openModal } from 'reducers/modals'
 import { getVisibleAccounts } from 'reducers/accounts'
@@ -52,7 +52,7 @@ const PlusBtn = styled(Tabbable).attrs({
 
 type Props = {
   t: T,
-  accounts: Accounts,
+  accounts: Account[],
   openModal: Function,
 }
 
diff --git a/src/components/modals/AddAccount/ImportAccounts.js b/src/components/modals/AddAccount/ImportAccounts.js
index a1b4b2e8..74554e5b 100644
--- a/src/components/modals/AddAccount/ImportAccounts.js
+++ b/src/components/modals/AddAccount/ImportAccounts.js
@@ -3,7 +3,7 @@
 import React, { PureComponent } from 'react'
 import { translate } from 'react-i18next'
 
-import type { T, Accounts } from 'types/common'
+import type { T, Account } from 'types/common'
 
 import Box from 'components/base/Box'
 import Button from 'components/base/Button'
@@ -13,7 +13,7 @@ import Input from 'components/base/Input'
 
 type Props = {
   t: T,
-  accounts: Accounts,
+  accounts: Account[],
   onImportAccounts: Function,
 }
 
diff --git a/src/components/modals/AddAccount/RestoreAccounts.js b/src/components/modals/AddAccount/RestoreAccounts.js
index 73f1c502..2addc888 100644
--- a/src/components/modals/AddAccount/RestoreAccounts.js
+++ b/src/components/modals/AddAccount/RestoreAccounts.js
@@ -7,14 +7,14 @@ import Box from 'components/base/Box'
 import Button from 'components/base/Button'
 import Text from 'components/base/Text'
 
-import type { Accounts } from 'types/common'
+import type { Account } from 'types/common'
 
 const Container = styled(Box)`
   border: 1px solid ${p => p.theme.colors.alertRed};
 `
 
 type Props = {
-  archivedAccounts: Accounts,
+  archivedAccounts: Account[],
   updateAccount: Function,
 }
 
diff --git a/src/components/modals/AddAccount/index.js b/src/components/modals/AddAccount/index.js
index 98de020b..d6a668bc 100644
--- a/src/components/modals/AddAccount/index.js
+++ b/src/components/modals/AddAccount/index.js
@@ -12,7 +12,7 @@ import type { Currency } from '@ledgerhq/currencies'
 
 import { MODAL_ADD_ACCOUNT } from 'constants'
 
-import type { Accounts, Device, T } from 'types/common'
+import type { Account, Device, T } from 'types/common'
 
 import { closeModal } from 'reducers/modals'
 import { canCreateAccount, getAccounts, getArchivedAccounts } from 'reducers/accounts'
@@ -117,9 +117,9 @@ const Steps = {
 type Step = 'chooseCurrency' | 'connectDevice' | 'inProgress' | 'listAccounts'
 
 type Props = {
-  accounts: Accounts,
+  accounts: Account[],
   addAccount: Function,
-  archivedAccounts: Accounts,
+  archivedAccounts: Account[],
   canCreateAccount: boolean,
   closeModal: Function,
   counterValues: Object,
@@ -130,7 +130,7 @@ type Props = {
 }
 
 type State = {
-  accounts: Accounts,
+  accounts: Account[],
   currency: Currency | null,
   fetchingCounterValues: boolean,
   progress: null | Object,
diff --git a/src/helpers/balance.js b/src/helpers/balance.js
index e4d25aa1..663a6c2f 100644
--- a/src/helpers/balance.js
+++ b/src/helpers/balance.js
@@ -8,7 +8,7 @@ import first from 'lodash/first'
 import isUndefined from 'lodash/isUndefined'
 import last from 'lodash/last'
 
-import type { Accounts, Account } from 'types/common'
+import type { Account } from 'types/common'
 
 type DateInterval = {
   start: string,
@@ -21,7 +21,7 @@ type BalanceHistoryDay = {
 }
 
 type CalculateBalance = {
-  accounts: Accounts,
+  accounts: Account[],
   counterValue: string,
   counterValues: Object,
   daysCount: number,
@@ -100,7 +100,7 @@ export function getBalanceHistoryForAccounts({
   interval,
 }: {
   counterValue: string,
-  accounts: Accounts,
+  accounts: Account[],
   counterValues: Object,
   interval: DateInterval,
 }): Array<BalanceHistoryDay> {
diff --git a/src/helpers/btc.js b/src/helpers/btc.js
index f4349ee5..3e5c7ae3 100644
--- a/src/helpers/btc.js
+++ b/src/helpers/btc.js
@@ -7,7 +7,7 @@ import groupBy from 'lodash/groupBy'
 import noop from 'lodash/noop'
 import uniqBy from 'lodash/uniqBy'
 
-import type { Operations } from 'types/common'
+import type { Operation } from 'types/common'
 
 const GAP_LIMIT_ADDRESSES = 20
 
@@ -42,7 +42,7 @@ export function computeOperation(addresses: Array<string>) {
   }
 }
 
-export function getBalanceByDay(operations: Operations) {
+export function getBalanceByDay(operations: Operation[]) {
   const txsByDate = groupBy(operations, tx => {
     const [date] = new Date(tx.receivedAt).toISOString().split('T')
     return date
diff --git a/src/reducers/accounts.js b/src/reducers/accounts.js
index 67d44e0f..927392a6 100644
--- a/src/reducers/accounts.js
+++ b/src/reducers/accounts.js
@@ -10,10 +10,9 @@ import defaultsDeep from 'lodash/defaultsDeep'
 import { getDefaultUnitByCoinType, getCurrencyByCoinType } from '@ledgerhq/currencies'
 
 import type { State } from 'reducers'
-import type { Account, Accounts } from 'types/common'
-
-export type AccountsState = Accounts
+import type { Account } from 'types/common'
 
+export type AccountsState = Account[]
 const state: AccountsState = []
 
 function orderAccountsOperations(account: Account) {
@@ -36,7 +35,7 @@ function applyDefaults(account) {
 const handlers: Object = {
   SET_ACCOUNTS: (
     state: AccountsState,
-    { payload: accounts }: { payload: Accounts },
+    { payload: accounts }: { payload: Account[] },
   ): AccountsState => accounts.map(applyDefaults),
 
   ADD_ACCOUNT: (
@@ -78,15 +77,15 @@ export function getTotalBalance(state: { accounts: AccountsState }) {
   )
 }
 
-export function getAccounts(state: { accounts: AccountsState }): Array<Account> {
+export function getAccounts(state: { accounts: AccountsState }): Account[] {
   return state.accounts
 }
 
-export function getArchivedAccounts(state: { accounts: AccountsState }): Array<Account> {
+export function getArchivedAccounts(state: { accounts: AccountsState }): Account[] {
   return state.accounts.filter(acc => acc.archived === true)
 }
 
-export function getVisibleAccounts(state: { accounts: AccountsState }): Array<Account> {
+export function getVisibleAccounts(state: { accounts: AccountsState }): Account[] {
   return getAccounts(state).filter(account => account.archived !== true)
 }
 
@@ -127,7 +126,7 @@ export function serializeAccounts(accounts: Array<Object>) {
   })
 }
 
-export function deserializeAccounts(accounts: Accounts) {
+export function deserializeAccounts(accounts: Account[]) {
   return accounts.map(account => ({
     id: account.id,
     address: account.address,
diff --git a/src/renderer/events.js b/src/renderer/events.js
index f05fc56f..27b112cc 100644
--- a/src/renderer/events.js
+++ b/src/renderer/events.js
@@ -5,7 +5,7 @@ import objectPath from 'object-path'
 import debug from 'debug'
 import { getDefaultUnitByCoinType } from '@ledgerhq/currencies'
 
-import type { Accounts } from 'types/common'
+import type { Account } from 'types/common'
 
 import { CHECK_UPDATE_DELAY, SYNC_ACCOUNT_DELAY, SYNC_COUNTER_VALUES_DELAY } from 'constants'
 
@@ -52,7 +52,7 @@ export function sendSyncEvent(channel: string, msgType: string, data: any): any
   })
 }
 
-export function startSyncAccounts(accounts: Accounts) {
+export function startSyncAccounts(accounts: Account[]) {
   d.sync('Sync accounts - start')
   syncAccountsInProgress = true
   sendEvent('accounts', 'sync.all', {
@@ -76,7 +76,7 @@ export function stopSyncAccounts() {
   clearTimeout(syncAccountsTimeout)
 }
 
-export function startSyncCounterValues(counterValue: string, accounts: Accounts) {
+export function startSyncCounterValues(counterValue: string, accounts: Account[]) {
   d.sync('Sync counterValues - start')
 
   sendEvent('msg', 'counterValues.sync', {
diff --git a/src/types/common.js b/src/types/common.js
index 1f9838d3..fee51c87 100644
--- a/src/types/common.js
+++ b/src/types/common.js
@@ -22,8 +22,6 @@ export type Operation = {
   confirmations: number,
 }
 
-export type Operations = Array<Operation>
-
 // -------------------- Accounts
 
 export type AccountSettings = {
@@ -43,13 +41,11 @@ export type Account = {
   name: string,
   path: string,
   rootPath: string,
-  operations: Operations,
+  operations: Operation[],
   unit: Unit,
   settings: AccountSettings,
 }
 
-export type Accounts = Array<Account>
-
 // -------------------- Settings
 
 export type SettingsProfile = {