diff --git a/indexer/packages/postgres/__tests__/stores/affiliate-info-table.test.ts b/indexer/packages/postgres/__tests__/stores/affiliate-info-table.test.ts
index 79223a837c..206c634652 100644
--- a/indexer/packages/postgres/__tests__/stores/affiliate-info-table.test.ts
+++ b/indexer/packages/postgres/__tests__/stores/affiliate-info-table.test.ts
@@ -27,7 +27,7 @@ describe('Affiliate info store', () => {
 
   it('Can upsert affiliate info multiple times', async () => {
     await AffiliateInfoTable.upsert(defaultAffiliateInfo);
-    let info: AffiliateInfoFromDatabase | undefined = await AffiliateInfoTable.findById(
+    let info: AffiliateInfoFromDatabase = await AffiliateInfoTable.findById(
       defaultAffiliateInfo.address,
     );
     expect(info).toEqual(expect.objectContaining(defaultAffiliateInfo));
@@ -59,7 +59,7 @@ describe('Affiliate info store', () => {
   it('Successfully finds an affiliate info', async () => {
     await AffiliateInfoTable.create(defaultAffiliateInfo);
 
-    const info: AffiliateInfoFromDatabase | undefined = await AffiliateInfoTable.findById(
+    const info: AffiliateInfoFromDatabase = await AffiliateInfoTable.findById(
       defaultAffiliateInfo.address,
     );
 
@@ -80,7 +80,7 @@ describe('Affiliate info store', () => {
     });
 
     it('Successfully filters by address', async () => {
-      const infos: AffiliateInfoFromDatabase[] | undefined = await AffiliateInfoTable
+      const infos: AffiliateInfoFromDatabase[] = await AffiliateInfoTable
         .paginatedFindWithAddressFilter(
           ['address_0'],
           0,
@@ -97,7 +97,7 @@ describe('Affiliate info store', () => {
     });
 
     it('Successfully sorts by affiliate earning', async () => {
-      const infos: AffiliateInfoFromDatabase[] | undefined = await AffiliateInfoTable
+      const infos: AffiliateInfoFromDatabase[] = await AffiliateInfoTable
         .paginatedFindWithAddressFilter(
           [],
           0,
@@ -119,7 +119,7 @@ describe('Affiliate info store', () => {
     });
 
     it('Successfully uses offset and limit', async () => {
-      const infos: AffiliateInfoFromDatabase[] | undefined = await AffiliateInfoTable
+      const infos: AffiliateInfoFromDatabase[] = await AffiliateInfoTable
         .paginatedFindWithAddressFilter(
           [],
           5,
@@ -141,7 +141,7 @@ describe('Affiliate info store', () => {
     });
 
     it('Successfully filters, sorts, offsets, and limits', async () => {
-      const infos: AffiliateInfoFromDatabase[] | undefined = await AffiliateInfoTable
+      const infos: AffiliateInfoFromDatabase[] = await AffiliateInfoTable
         .paginatedFindWithAddressFilter(
           [],
           3,
@@ -163,7 +163,7 @@ describe('Affiliate info store', () => {
     });
 
     it('Returns empty array if no results', async () => {
-      const infos: AffiliateInfoFromDatabase[] | undefined = await AffiliateInfoTable
+      const infos: AffiliateInfoFromDatabase[] = await AffiliateInfoTable
         .paginatedFindWithAddressFilter(
           ['address_11'],
           0,
diff --git a/indexer/packages/postgres/src/stores/affiliate-info-table.ts b/indexer/packages/postgres/src/stores/affiliate-info-table.ts
index 7ef02c7a91..8a27b8c895 100644
--- a/indexer/packages/postgres/src/stores/affiliate-info-table.ts
+++ b/indexer/packages/postgres/src/stores/affiliate-info-table.ts
@@ -84,7 +84,7 @@ export async function upsert(
 export async function findById(
   address: string,
   options: Options = DEFAULT_POSTGRES_OPTIONS,
-): Promise<AffiliateInfoFromDatabase | undefined> {
+): Promise<AffiliateInfoFromDatabase> {
   const baseQuery: QueryBuilder<AffiliateInfoModel> = setupBaseQuery<AffiliateInfoModel>(
     AffiliateInfoModel,
     options,
@@ -100,7 +100,7 @@ export async function paginatedFindWithAddressFilter(
   limit: number,
   sortByAffiliateEarning: boolean,
   options: Options = DEFAULT_POSTGRES_OPTIONS,
-): Promise<AffiliateInfoFromDatabase[] | undefined> {
+): Promise<AffiliateInfoFromDatabase[]> {
   let baseQuery: QueryBuilder<AffiliateInfoModel> = setupBaseQuery<AffiliateInfoModel>(
     AffiliateInfoModel,
     options,
diff --git a/indexer/services/comlink/src/controllers/api/v4/affiliates-controller.ts b/indexer/services/comlink/src/controllers/api/v4/affiliates-controller.ts
index 5a224a7228..76e2433255 100644
--- a/indexer/services/comlink/src/controllers/api/v4/affiliates-controller.ts
+++ b/indexer/services/comlink/src/controllers/api/v4/affiliates-controller.ts
@@ -129,7 +129,7 @@ class AffiliatesController extends Controller {
     const finalLimit: number = limit ?? 1000;
     const finalsortByAffiliateEarning: boolean = sortByAffiliateEarning ?? false;
 
-    const infos: AffiliateInfoFromDatabase[] | undefined = await AffiliateInfoTable
+    const infos: AffiliateInfoFromDatabase[] = await AffiliateInfoTable
       .paginatedFindWithAddressFilter(
         finalAddressFilter,
         finalOffset,
@@ -137,15 +137,6 @@ class AffiliatesController extends Controller {
         finalsortByAffiliateEarning,
       );
 
-    // No results found
-    if (infos === undefined) {
-      return {
-        affiliateList: [],
-        total: 0,
-        currentOffset: finalOffset,
-      };
-    }
-
     // Get referral codes
     const addressUsernames:
     AddressUsername[] = await SubaccountUsernamesTable.findByAddress(
@@ -156,7 +147,7 @@ class AffiliatesController extends Controller {
       addressUsernameMap[addressUsername.address] = addressUsername.username;
     });
     if (addressUsernames.length !== infos.length) {
-      const addressesNotFound = infos
+      const addressesNotFound: string = infos
         .map((info) => info.address)
         .filter((address) => !(address in addressUsernameMap))
         .join(', ');