diff --git a/src/backup/utils.test.ts b/src/backup/utils.test.ts
index be7bd7433f6..2a6c57ebe18 100644
--- a/src/backup/utils.test.ts
+++ b/src/backup/utils.test.ts
@@ -1,4 +1,3 @@
-import * as bip39 from 'react-native-bip39'
 import { formatBackupPhraseOnEdit } from 'src/backup/utils'
 import { normalizeMnemonic, validateMnemonic } from 'src/utils/account'
 
@@ -52,41 +51,41 @@ inner surprise invest`
 
   it('validates spanish successfully', () => {
     const mnemonic = normalizeMnemonic(SPANISH_MNEMONIC)
-    expect(validateMnemonic(mnemonic, bip39)).toBeTruthy()
+    expect(validateMnemonic(mnemonic)).toBeTruthy()
   })
 
   it('validates spanish successfully without mnemonic accents', () => {
     const mnemonic = normalizeMnemonic(SPANISH_MNEMONIC_NO_ACCENTS)
-    expect(validateMnemonic(mnemonic, bip39)).toBeTruthy()
+    expect(validateMnemonic(mnemonic)).toBeTruthy()
   })
 
   it('validates portuguese successfully', () => {
     const mnemonic = normalizeMnemonic(PORTUGUESE_MNEMONIC)
-    expect(validateMnemonic(mnemonic, bip39)).toBeTruthy()
+    expect(validateMnemonic(mnemonic)).toBeTruthy()
   })
 
   it('validates english successfully', () => {
     const mnemonic = normalizeMnemonic(ENGLISH_MNEMONIC)
-    expect(validateMnemonic(mnemonic, bip39)).toBeTruthy()
+    expect(validateMnemonic(mnemonic)).toBeTruthy()
   })
 
   it('validates english multiline successfully', () => {
     const mnemonic = normalizeMnemonic(MULTILINE_ENGLISH_MNEMONIC)
-    expect(validateMnemonic(mnemonic, bip39)).toBeTruthy()
+    expect(validateMnemonic(mnemonic)).toBeTruthy()
   })
 
   it('does not validate bad english', () => {
     const mnemonic = normalizeMnemonic(BAD_ENGLISH_MNEMONIC)
-    expect(validateMnemonic(mnemonic, bip39)).toBeFalsy()
+    expect(validateMnemonic(mnemonic)).toBeFalsy()
   })
 
   it('does not validate bad spanish', () => {
     const mnemonic = normalizeMnemonic(BAD_SPANISH_MNEMONIC)
-    expect(validateMnemonic(mnemonic, bip39)).toBeFalsy()
+    expect(validateMnemonic(mnemonic)).toBeFalsy()
   })
 
   it('does not validate bad portuguese', () => {
     const mnemonic = normalizeMnemonic(BAD_PORTUGUESE_MNEMONIC)
-    expect(validateMnemonic(mnemonic, bip39)).toBeFalsy()
+    expect(validateMnemonic(mnemonic)).toBeFalsy()
   })
 })
diff --git a/src/import/saga.ts b/src/import/saga.ts
index c4a008b8ff7..daf01523817 100644
--- a/src/import/saga.ts
+++ b/src/import/saga.ts
@@ -1,6 +1,5 @@
 import { privateKeyToAddress } from '@celo/utils/lib/address'
 import { Task } from '@redux-saga/types'
-import * as bip39 from 'react-native-bip39'
 import { setBackupCompleted } from 'src/account/actions'
 import { initializeAccountSaga } from 'src/account/saga'
 import { recoveringFromStoreWipeSelector } from 'src/account/selectors'
@@ -52,7 +51,7 @@ export function* importBackupPhraseSaga({ phrase, useEmptyWallet }: ImportBackup
   Logger.debug(TAG + '@importBackupPhraseSaga', 'Importing backup phrase')
   try {
     const normalizedPhrase = normalizeMnemonic(phrase)
-    const phraseIsValid = validateMnemonic(normalizedPhrase, bip39)
+    const phraseIsValid = validateMnemonic(normalizedPhrase)
     const invalidWords = phraseIsValid ? [] : invalidMnemonicWords(normalizedPhrase)
 
     if (!phraseIsValid) {
diff --git a/src/web3/saga.test.ts b/src/web3/saga.test.ts
index 80ee235e4c6..96e65eae734 100644
--- a/src/web3/saga.test.ts
+++ b/src/web3/saga.test.ts
@@ -1,5 +1,4 @@
 import { isValidChecksumAddress } from '@celo/utils/lib/address'
-import * as bip39 from 'react-native-bip39'
 import { expectSaga } from 'redux-saga-test-plan'
 import * as matchers from 'redux-saga-test-plan/matchers'
 import { call, select } from 'redux-saga/effects'
@@ -8,15 +7,15 @@ import { ErrorMessages } from 'src/app/ErrorMessages'
 import { storeMnemonic } from 'src/backup/utils'
 import { currentLanguageSelector } from 'src/i18n/selectors'
 import { getPasswordSaga, retrieveSignedMessage } from 'src/pincode/authentication'
-import { generateMnemonic, MnemonicLanguages, MnemonicStrength } from 'src/utils/account'
+import { MnemonicLanguages, MnemonicStrength, generateMnemonic } from 'src/utils/account'
 import { setAccount, setDataEncryptionKey } from 'src/web3/actions'
 import {
+  UnlockResult,
   getConnectedAccount,
   getConnectedUnlockedAccount,
   getOrCreateAccount,
   getWalletAddress,
   unlockAccount,
-  UnlockResult,
 } from 'src/web3/saga'
 import { currentAccountSelector, walletAddressSelector } from 'src/web3/selectors'
 import { createMockStore } from 'test/utils'
@@ -101,8 +100,7 @@ describe(getOrCreateAccount, () => {
         .call(
           generateMnemonic,
           MnemonicStrength.s128_12words,
-          MnemonicLanguages[expectedMnemonicLang] as unknown as MnemonicLanguages,
-          bip39
+          MnemonicLanguages[expectedMnemonicLang] as unknown as MnemonicLanguages
         )
         .run()
 
diff --git a/src/web3/saga.ts b/src/web3/saga.ts
index 35f56556087..ac38ca9d397 100644
--- a/src/web3/saga.ts
+++ b/src/web3/saga.ts
@@ -1,21 +1,20 @@
 import { privateKeyToAddress } from '@celo/utils/lib/address'
 import { UnlockableWallet } from '@celo/wallet-base'
 import { RpcWalletErrors } from '@celo/wallet-rpc/lib/rpc-wallet'
-import * as bip39 from 'react-native-bip39'
 import { setAccountCreationTime } from 'src/account/actions'
 import { generateSignedMessage } from 'src/account/saga'
 import { ErrorMessages } from 'src/app/ErrorMessages'
 import { generateKeysFromMnemonic, storeMnemonic } from 'src/backup/utils'
+import { clearPasswordCaches } from 'src/pincode/PasswordCache'
 import {
   CANCELLED_PIN_INPUT,
   getPasswordSaga,
   retrieveSignedMessage,
 } from 'src/pincode/authentication'
-import { clearPasswordCaches } from 'src/pincode/PasswordCache'
-import { generateMnemonic, MnemonicLanguages, MnemonicStrength } from 'src/utils/account'
-import { ensureError } from 'src/utils/ensureError'
 import Logger from 'src/utils/Logger'
-import { Actions, setAccount, SetAccountAction } from 'src/web3/actions'
+import { MnemonicLanguages, MnemonicStrength, generateMnemonic } from 'src/utils/account'
+import { ensureError } from 'src/utils/ensureError'
+import { Actions, SetAccountAction, setAccount } from 'src/web3/actions'
 import { UNLOCK_DURATION } from 'src/web3/consts'
 import { getWallet, initContractKit } from 'src/web3/contracts'
 import { createAccountDek } from 'src/web3/dataEncryptionKey'
@@ -45,7 +44,7 @@ export function* getOrCreateAccount() {
 
     const mnemonicBitLength = MnemonicStrength.s128_12words
     const mnemonicLanguage = MnemonicLanguages.english
-    let mnemonic: string = yield* call(generateMnemonic, mnemonicBitLength, mnemonicLanguage, bip39)
+    let mnemonic: string = yield* call(generateMnemonic, mnemonicBitLength, mnemonicLanguage)
 
     // Ensure no duplicates in mnemonic
     const checkDuplicate = (someString: string) => {
@@ -54,7 +53,7 @@ export function* getOrCreateAccount() {
     let duplicateInMnemonic = checkDuplicate(mnemonic)
     while (duplicateInMnemonic) {
       Logger.debug(TAG + '@getOrCreateAccount', 'Regenerating mnemonic to avoid duplicates')
-      mnemonic = yield* call(generateMnemonic, mnemonicBitLength, mnemonicLanguage, bip39)
+      mnemonic = yield* call(generateMnemonic, mnemonicBitLength, mnemonicLanguage)
       duplicateInMnemonic = checkDuplicate(mnemonic)
     }