diff --git a/packages/assets-controllers/src/TokenDetectionController.test.ts b/packages/assets-controllers/src/TokenDetectionController.test.ts
index 1a25493407d..140d45a379b 100644
--- a/packages/assets-controllers/src/TokenDetectionController.test.ts
+++ b/packages/assets-controllers/src/TokenDetectionController.test.ts
@@ -1845,17 +1845,12 @@ describe('TokenDetectionController', () => {
           expect(callActionSpy).toHaveBeenLastCalledWith(
             'TokensController:addDetectedTokens',
             Object.values(STATIC_MAINNET_TOKEN_LIST).map((token) => {
-              const newToken = {
-                ...token,
+              const { iconUrl, ...tokenMetadata } = token;
+              return {
+                ...tokenMetadata,
                 image: token.iconUrl,
                 isERC721: false,
               };
-              // eslint-disable-next-line @typescript-eslint/no-explicit-any
-              delete (newToken as any).erc20;
-              // eslint-disable-next-line @typescript-eslint/no-explicit-any
-              delete (newToken as any).erc721;
-              delete newToken.iconUrl;
-              return newToken;
             }),
             {
               selectedAddress,
diff --git a/packages/assets-controllers/src/TokenDetectionController.ts b/packages/assets-controllers/src/TokenDetectionController.ts
index bb479b1f614..96136b13652 100644
--- a/packages/assets-controllers/src/TokenDetectionController.ts
+++ b/packages/assets-controllers/src/TokenDetectionController.ts
@@ -32,8 +32,8 @@ import type { AssetsContractController } from './AssetsContractController';
 import { isTokenDetectionSupportedForNetwork } from './assetsUtil';
 import type {
   GetTokenListState,
+  TokenListMap,
   TokenListStateChange,
-  TokenListToken,
 } from './TokenListController';
 import type { Token } from './TokenRatesController';
 import type {
@@ -63,25 +63,23 @@ export function isEqualCaseInsensitive(
   return value1.toLowerCase() === value2.toLowerCase();
 }
 
-type LegacyToken = Omit<
-  Token,
-  'aggregators' | 'image' | 'balanceError' | 'isERC721'
-> & {
+type LegacyToken = {
   name: string;
-  logo: string;
+  logo: `${string}.svg`;
+  symbol: string;
+  decimals: number;
   erc20?: boolean;
   erc721?: boolean;
 };
 
+type TokenDetectionMap = {
+  [P in keyof TokenListMap]: Omit<TokenListMap[P], 'occurrences'>;
+};
+
 export const STATIC_MAINNET_TOKEN_LIST = Object.entries<LegacyToken>(
   contractMap,
-).reduce<
-  Record<
-    string,
-    Partial<TokenListToken> & Pick<Token, 'address' | 'symbol' | 'decimals'>
-  >
->((acc, [base, contract]) => {
-  const { logo, ...tokenMetadata } = contract;
+).reduce<TokenDetectionMap>((acc, [base, contract]) => {
+  const { logo, erc20, erc721, ...tokenMetadata } = contract;
   return {
     ...acc,
     [base.toLowerCase()]: {
@@ -168,6 +166,8 @@ export class TokenDetectionController extends StaticIntervalPollingController<
 
   #networkClientIdAgainstWhichToDetect: NetworkClientId;
 
+  #tokenList: TokenDetectionMap = {};
+
   #disabled: boolean;
 
   #isUnlocked: boolean;