diff --git a/app/scripts/background.js b/app/scripts/background.js
index 082a13b67..059b1bdd0 100644
--- a/app/scripts/background.js
+++ b/app/scripts/background.js
@@ -9,6 +9,9 @@ import debounce from 'debounce-stream';
 import log from 'loglevel';
 import browser from 'webextension-polyfill';
 import { storeAsStream } from '@metamask/obs-store';
+///: BEGIN:ONLY_INCLUDE_IN(snaps)
+import { ApprovalType } from '@metamask/controller-utils';
+///: END:ONLY_INCLUDE_IN
 import PortStream from 'extension-port-stream';
 
 import { ethErrors } from 'eth-rpc-errors';
@@ -18,9 +21,6 @@ import {
   ENVIRONMENT_TYPE_FULLSCREEN,
   EXTENSION_MESSAGES,
   PLATFORM_FIREFOX,
-  ///: BEGIN:ONLY_INCLUDE_IN(snaps)
-  MESSAGE_TYPE,
-  ///: END:ONLY_INCLUDE_IN
 } from '../../shared/constants/app';
 import {
   REJECT_NOTIFICATION_CLOSE,
@@ -800,11 +800,11 @@ export function setupController(
       ({ id, type }) => {
         switch (type) {
           ///: BEGIN:ONLY_INCLUDE_IN(snaps)
-          case MESSAGE_TYPE.SNAP_DIALOG_ALERT:
-          case MESSAGE_TYPE.SNAP_DIALOG_PROMPT:
+          case ApprovalType.SnapDialogAlert:
+          case ApprovalType.SnapDialogPrompt:
             controller.approvalController.accept(id, null);
             break;
-          case MESSAGE_TYPE.SNAP_DIALOG_CONFIRMATION:
+          case ApprovalType.SnapDialogConfirmation:
             controller.approvalController.accept(id, false);
             break;
           ///: END:ONLY_INCLUDE_IN
diff --git a/app/scripts/controllers/app-state.js b/app/scripts/controllers/app-state.js
index 63eaf085d..92166eac2 100644
--- a/app/scripts/controllers/app-state.js
+++ b/app/scripts/controllers/app-state.js
@@ -2,6 +2,7 @@ import EventEmitter from 'events';
 import { ObservableStore } from '@metamask/obs-store';
 import { v4 as uuid } from 'uuid';
 import log from 'loglevel';
+import { ApprovalType } from '@metamask/controller-utils';
 import { METAMASK_CONTROLLER_EVENTS } from '../metamask-controller';
 import { MINUTE } from '../../../shared/constants/time';
 import { AUTO_LOCK_TIMEOUT_ALARM } from '../../../shared/constants/alarms';
@@ -13,8 +14,6 @@ import {
   ORIGIN_METAMASK,
 } from '../../../shared/constants/app';
 
-const APPROVAL_REQUEST_TYPE = 'unlock';
-
 export default class AppStateController extends EventEmitter {
   /**
    * @param {object} opts
@@ -408,7 +407,7 @@ export default class AppStateController extends EventEmitter {
         {
           id: this._approvalRequestId,
           origin: ORIGIN_METAMASK,
-          type: APPROVAL_REQUEST_TYPE,
+          type: ApprovalType.Unlock,
         },
         true,
       )
diff --git a/app/scripts/controllers/transactions/index.js b/app/scripts/controllers/transactions/index.js
index e31215171..a3bad2f62 100644
--- a/app/scripts/controllers/transactions/index.js
+++ b/app/scripts/controllers/transactions/index.js
@@ -5,6 +5,7 @@ import EthQuery from 'ethjs-query';
 import { ethErrors } from 'eth-rpc-errors';
 import { Common, Hardfork } from '@ethereumjs/common';
 import { TransactionFactory } from '@ethereumjs/tx';
+import { ApprovalType } from '@metamask/controller-utils';
 import NonceTracker from 'nonce-tracker';
 import log from 'loglevel';
 import BigNumber from 'bignumber.js';
@@ -51,10 +52,7 @@ import {
   determineTransactionType,
   isEIP1559Transaction,
 } from '../../../../shared/modules/transaction.utils';
-import {
-  ORIGIN_METAMASK,
-  MESSAGE_TYPE,
-} from '../../../../shared/constants/app';
+import { ORIGIN_METAMASK } from '../../../../shared/constants/app';
 import {
   calcGasTotal,
   getSwapsTokensReceivedFromTxMeta,
@@ -2651,7 +2649,7 @@ export default class TransactionController extends EventEmitter {
   _requestApproval(txMeta) {
     const id = this._getApprovalId(txMeta);
     const { origin } = txMeta;
-    const type = MESSAGE_TYPE.TRANSACTION;
+    const type = ApprovalType.Transaction;
     const requestData = { txId: txMeta.id };
 
     this.messagingSystem
diff --git a/app/scripts/controllers/transactions/index.test.js b/app/scripts/controllers/transactions/index.test.js
index 12e39d5ac..1203c6c58 100644
--- a/app/scripts/controllers/transactions/index.test.js
+++ b/app/scripts/controllers/transactions/index.test.js
@@ -3,6 +3,7 @@ import EventEmitter from 'events';
 import { toBuffer } from 'ethereumjs-util';
 import { TransactionFactory } from '@ethereumjs/tx';
 import { ObservableStore } from '@metamask/obs-store';
+import { ApprovalType } from '@metamask/controller-utils';
 import sinon from 'sinon';
 
 import {
@@ -29,10 +30,7 @@ import {
   GasRecommendations,
 } from '../../../../shared/constants/gas';
 import { METAMASK_CONTROLLER_EVENTS } from '../../metamask-controller';
-import {
-  MESSAGE_TYPE,
-  ORIGIN_METAMASK,
-} from '../../../../shared/constants/app';
+import { ORIGIN_METAMASK } from '../../../../shared/constants/app';
 import { NetworkStatus } from '../../../../shared/constants/network';
 import { TRANSACTION_ENVELOPE_TYPE_NAMES } from '../../../../shared/lib/transactions-controller-utils';
 import TransactionController from '.';
@@ -513,7 +511,7 @@ describe('Transaction Controller', function () {
           id: String(txMeta.id),
           origin: ORIGIN_METAMASK,
           requestData: { txId: txMeta.id },
-          type: MESSAGE_TYPE.TRANSACTION,
+          type: ApprovalType.Transaction,
         },
         true, // Show popup
       ]);
@@ -551,7 +549,7 @@ describe('Transaction Controller', function () {
           id: String(secondTxMeta.id),
           origin: ORIGIN_METAMASK,
           requestData: { txId: secondTxMeta.id },
-          type: MESSAGE_TYPE.TRANSACTION,
+          type: ApprovalType.Transaction,
         },
         true, // Show popup
       ]);
diff --git a/app/scripts/lib/rpc-method-middleware/handlers/add-ethereum-chain.js b/app/scripts/lib/rpc-method-middleware/handlers/add-ethereum-chain.js
index f63412b61..03b3f5714 100644
--- a/app/scripts/lib/rpc-method-middleware/handlers/add-ethereum-chain.js
+++ b/app/scripts/lib/rpc-method-middleware/handlers/add-ethereum-chain.js
@@ -1,6 +1,7 @@
 import { ethErrors, errorCodes } from 'eth-rpc-errors';
 import validUrl from 'valid-url';
 import { omit } from 'lodash';
+import { ApprovalType } from '@metamask/controller-utils';
 import {
   MESSAGE_TYPE,
   UNKNOWN_TICKER_SYMBOL,
@@ -158,7 +159,7 @@ async function addEthereumChainHandler(
     try {
       await requestUserApproval({
         origin,
-        type: MESSAGE_TYPE.SWITCH_ETHEREUM_CHAIN,
+        type: ApprovalType.SwitchEthereumChain,
         requestData: {
           rpcUrl: existingNetwork.rpcUrl,
           chainId: existingNetwork.chainId,
@@ -244,7 +245,7 @@ async function addEthereumChainHandler(
   try {
     await requestUserApproval({
       origin,
-      type: MESSAGE_TYPE.ADD_ETHEREUM_CHAIN,
+      type: ApprovalType.AddEthereumChain,
       requestData: {
         chainId: _chainId,
         rpcPrefs: { blockExplorerUrl: firstValidBlockExplorerUrl },
@@ -275,7 +276,7 @@ async function addEthereumChainHandler(
   try {
     await requestUserApproval({
       origin,
-      type: MESSAGE_TYPE.SWITCH_ETHEREUM_CHAIN,
+      type: ApprovalType.SwitchEthereumChain,
       requestData: {
         rpcUrl: firstValidRPCUrl,
         chainId: _chainId,
diff --git a/app/scripts/lib/rpc-method-middleware/handlers/switch-ethereum-chain.js b/app/scripts/lib/rpc-method-middleware/handlers/switch-ethereum-chain.js
index 4755a2c3d..6d71ba602 100644
--- a/app/scripts/lib/rpc-method-middleware/handlers/switch-ethereum-chain.js
+++ b/app/scripts/lib/rpc-method-middleware/handlers/switch-ethereum-chain.js
@@ -1,5 +1,6 @@
 import { ethErrors } from 'eth-rpc-errors';
 import { omit } from 'lodash';
+import { ApprovalType } from '@metamask/controller-utils';
 import { MESSAGE_TYPE } from '../../../../../shared/constants/app';
 import {
   CHAIN_ID_TO_TYPE_MAP,
@@ -109,7 +110,7 @@ async function switchEthereumChainHandler(
     try {
       const approvedRequestData = await requestUserApproval({
         origin,
-        type: MESSAGE_TYPE.SWITCH_ETHEREUM_CHAIN,
+        type: ApprovalType.SwitchEthereumChain,
         requestData,
       });
       if (
diff --git a/ui/components/app/add-network/add-network.js b/ui/components/app/add-network/add-network.js
index d8eae27ee..d0eca654b 100644
--- a/ui/components/app/add-network/add-network.js
+++ b/ui/components/app/add-network/add-network.js
@@ -1,6 +1,7 @@
 import React, { useContext, useEffect, useState } from 'react';
 import { useDispatch, useSelector } from 'react-redux';
 import { useHistory } from 'react-router-dom';
+import { ApprovalType } from '@metamask/controller-utils';
 import { I18nContext } from '../../../contexts/i18n';
 import Box from '../../ui/box';
 import {
@@ -26,7 +27,6 @@ import {
 import {
   ENVIRONMENT_TYPE_FULLSCREEN,
   ENVIRONMENT_TYPE_POPUP,
-  MESSAGE_TYPE,
   ORIGIN_METAMASK,
 } from '../../../../shared/constants/app';
 import { requestUserApproval } from '../../../store/actions';
@@ -66,7 +66,7 @@ const AddNetwork = () => {
       unapprovedConfirmations?.find((confirmation) => {
         return (
           confirmation.origin === 'metamask' &&
-          confirmation.type === MESSAGE_TYPE.ADD_ETHEREUM_CHAIN
+          confirmation.type === ApprovalType.AddEthereumChain
         );
       });
     if (!showPopover && anAddNetworkConfirmationFromMetaMaskExists) {
@@ -258,7 +258,7 @@ const AddNetwork = () => {
                       await dispatch(
                         requestUserApproval({
                           origin: ORIGIN_METAMASK,
-                          type: MESSAGE_TYPE.ADD_ETHEREUM_CHAIN,
+                          type: ApprovalType.AddEthereumChain,
                           requestData: {
                             chainId: item.chainId,
                             rpcUrl: item.rpcUrl,
diff --git a/ui/components/app/signature-request-original/signature-request-original.component.js b/ui/components/app/signature-request-original/signature-request-original.component.js
index cfabd20bb..0cc27dd42 100644
--- a/ui/components/app/signature-request-original/signature-request-original.component.js
+++ b/ui/components/app/signature-request-original/signature-request-original.component.js
@@ -3,7 +3,6 @@ import PropTypes from 'prop-types';
 import classnames from 'classnames';
 import { ObjectInspector } from 'react-inspector';
 import LedgerInstructionField from '../ledger-instruction-field';
-
 import { MESSAGE_TYPE } from '../../../../shared/constants/app';
 import {
   getURLHostName,
diff --git a/ui/pages/confirmation/confirmation.js b/ui/pages/confirmation/confirmation.js
index 83a5b1cba..4666a4cbf 100644
--- a/ui/pages/confirmation/confirmation.js
+++ b/ui/pages/confirmation/confirmation.js
@@ -11,7 +11,7 @@ import { useHistory } from 'react-router-dom';
 import { isEqual } from 'lodash';
 import { produce } from 'immer';
 
-import { MESSAGE_TYPE } from '../../../shared/constants/app';
+import { ApprovalType } from '@metamask/controller-utils';
 import Box from '../../components/ui/box';
 import MetaMaskTemplateRenderer from '../../components/app/metamask-template-renderer';
 import ConfirmationWarningModal from '../../components/app/confirmation-warning-modal';
@@ -198,9 +198,9 @@ export default function ConfirmationPage({
     getSnapName(pendingConfirmation?.origin, targetSubjectMetadata);
 
   const SNAP_DIALOG_TYPE = [
-    MESSAGE_TYPE.SNAP_DIALOG_ALERT,
-    MESSAGE_TYPE.SNAP_DIALOG_CONFIRMATION,
-    MESSAGE_TYPE.SNAP_DIALOG_PROMPT,
+    ApprovalType.SnapDialogAlert,
+    ApprovalType.SnapDialogConfirmation,
+    ApprovalType.SnapDialogPrompt,
   ];
 
   const isSnapDialog = SNAP_DIALOG_TYPE.includes(pendingConfirmation?.type);
@@ -208,7 +208,7 @@ export default function ConfirmationPage({
 
   const INPUT_STATE_CONFIRMATIONS = [
     ///: BEGIN:ONLY_INCLUDE_IN(snaps)
-    MESSAGE_TYPE.SNAP_DIALOG_PROMPT,
+    ApprovalType.SnapDialogPrompt,
     ///: END:ONLY_INCLUDE_IN
   ];
 
@@ -284,7 +284,7 @@ export default function ConfirmationPage({
       setShowWarningModal(true);
     } else {
       const inputState = hasInputState(pendingConfirmation.type)
-        ? inputStates[MESSAGE_TYPE.SNAP_DIALOG_PROMPT]
+        ? inputStates[ApprovalType.SnapDialogPrompt]
         : null;
       // submit result is an array of errors or empty on success
       const submitResult = await templatedValues.onSubmit(inputState);
diff --git a/ui/pages/confirmation/templates/index.js b/ui/pages/confirmation/templates/index.js
index 2dc7a50c5..bd2b733a6 100644
--- a/ui/pages/confirmation/templates/index.js
+++ b/ui/pages/confirmation/templates/index.js
@@ -1,5 +1,5 @@
 import { omit, pick } from 'lodash';
-import { MESSAGE_TYPE } from '../../../../shared/constants/app';
+import { ApprovalType } from '@metamask/controller-utils';
 import {
   rejectPendingApproval,
   resolvePendingApproval,
@@ -15,16 +15,16 @@ import snapPrompt from './snaps/snap-prompt/snap-prompt';
 ///: END:ONLY_INCLUDE_IN
 
 const APPROVAL_TEMPLATES = {
-  [MESSAGE_TYPE.ADD_ETHEREUM_CHAIN]: addEthereumChain,
-  [MESSAGE_TYPE.SWITCH_ETHEREUM_CHAIN]: switchEthereumChain,
+  [ApprovalType.AddEthereumChain]: addEthereumChain,
+  [ApprovalType.SwitchEthereumChain]: switchEthereumChain,
   ///: BEGIN:ONLY_INCLUDE_IN(snaps)
-  [MESSAGE_TYPE.SNAP_DIALOG_ALERT]: snapAlert,
-  [MESSAGE_TYPE.SNAP_DIALOG_CONFIRMATION]: snapConfirmation,
-  [MESSAGE_TYPE.SNAP_DIALOG_PROMPT]: snapPrompt,
+  [ApprovalType.SnapDialogAlert]: snapAlert,
+  [ApprovalType.SnapDialogConfirmation]: snapConfirmation,
+  [ApprovalType.SnapDialogPrompt]: snapPrompt,
   ///: END:ONLY_INCLUDE_IN
 };
 
-export const TEMPLATED_CONFIRMATION_MESSAGE_TYPES =
+export const TEMPLATED_CONFIRMATION_APPROVAL_TYPES =
   Object.keys(APPROVAL_TEMPLATES);
 
 const ALLOWED_TEMPLATE_KEYS = [
diff --git a/ui/selectors/selectors.js b/ui/selectors/selectors.js
index de7a4b8dc..85cb57be3 100644
--- a/ui/selectors/selectors.js
+++ b/ui/selectors/selectors.js
@@ -63,7 +63,7 @@ import {
   ///: END:ONLY_INCLUDE_IN
 } from '../helpers/utils/util';
 
-import { TEMPLATED_CONFIRMATION_MESSAGE_TYPES } from '../pages/confirmation/templates';
+import { TEMPLATED_CONFIRMATION_APPROVAL_TYPES } from '../pages/confirmation/templates';
 import { STATIC_MAINNET_TOKEN_LIST } from '../../shared/constants/tokens';
 import { DAY } from '../../shared/constants/time';
 import { TERMS_OF_USE_LAST_UPDATED } from '../../shared/constants/terms';
@@ -551,7 +551,7 @@ export function getUnapprovedConfirmations(state) {
 export function getUnapprovedTemplatedConfirmations(state) {
   const unapprovedConfirmations = getUnapprovedConfirmations(state);
   return unapprovedConfirmations.filter((approval) =>
-    TEMPLATED_CONFIRMATION_MESSAGE_TYPES.includes(approval.type),
+    TEMPLATED_CONFIRMATION_APPROVAL_TYPES.includes(approval.type),
   );
 }