diff --git a/backend/src/graphql/arg/TransactionLinkFilters.ts b/backend/src/graphql/arg/TransactionLinkFilters.ts
index a335f6a28..291d244c3 100644
--- a/backend/src/graphql/arg/TransactionLinkFilters.ts
+++ b/backend/src/graphql/arg/TransactionLinkFilters.ts
@@ -2,12 +2,12 @@ import { Field, InputType } from 'type-graphql'
 
 @InputType()
 export default class TransactionLinkFilters {
-  @Field(() => Boolean, { nullable: true, defaultValue: true })
+  @Field(() => Boolean, { nullable: true })
   withDeleted: boolean
 
-  @Field(() => Boolean, { nullable: true, defaultValue: true })
+  @Field(() => Boolean, { nullable: true })
   withExpired: boolean
 
-  @Field(() => Boolean, { nullable: true, defaultValue: true })
+  @Field(() => Boolean, { nullable: true })
   withRedeemed: boolean
 }
diff --git a/backend/src/graphql/resolver/AdminResolver.test.ts b/backend/src/graphql/resolver/AdminResolver.test.ts
index a755b0da6..eee013e84 100644
--- a/backend/src/graphql/resolver/AdminResolver.test.ts
+++ b/backend/src/graphql/resolver/AdminResolver.test.ts
@@ -21,9 +21,8 @@ import {
   updatePendingCreation,
   deletePendingCreation,
   confirmPendingCreation,
-  listTransactionLinksAdmin,
 } from '@/seeds/graphql/mutations'
-import { getPendingCreations, login } from '@/seeds/graphql/queries'
+import { getPendingCreations, login, listTransactionLinksAdmin } from '@/seeds/graphql/queries'
 import { GraphQLError } from 'graphql'
 import { User } from '@entity/User'
 /* eslint-disable-next-line @typescript-eslint/no-unused-vars */
@@ -1388,6 +1387,7 @@ describe('AdminResolver', () => {
 
           user = await userFactory(testEnv, bibiBloxberg)
           variables.userId = user.id
+          variables.pageSize = 25
           // bibi needs GDDs
           const bibisCreation = creations.find((creation) => creation.email === 'bibi@bloxberg.de')
           // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
@@ -1486,8 +1486,6 @@ describe('AdminResolver', () => {
                   ...variables,
                   filters: {
                     withDeleted: true,
-                    withExpired: null,
-                    withRedeemed: null,
                   },
                 },
               }),
@@ -1513,8 +1511,7 @@ describe('AdminResolver', () => {
           })
         })
 
-        // TODO: works not as expected, because the expired link is not in the result eventhogh a link has 'createdAt' at the very first of 2022 and should be expired
-        describe.skip('filter by expired', () => {
+        describe('filter by expired', () => {
           it('finds 6 open transaction links and 1 deleted and no redeemed', async () => {
             await expect(
               query({
@@ -1522,9 +1519,7 @@ describe('AdminResolver', () => {
                 variables: {
                   ...variables,
                   filters: {
-                    withDeleted: null,
                     withExpired: true,
-                    withRedeemed: null,
                   },
                 },
               }),
diff --git a/backend/src/graphql/resolver/AdminResolver.ts b/backend/src/graphql/resolver/AdminResolver.ts
index 8e2d21893..4c94e48c8 100644
--- a/backend/src/graphql/resolver/AdminResolver.ts
+++ b/backend/src/graphql/resolver/AdminResolver.ts
@@ -426,7 +426,7 @@ export class AdminResolver {
   async listTransactionLinksAdmin(
     @Args()
     { currentPage = 1, pageSize = 5, order = Order.DESC }: Paginated,
-    @Arg('filters', () => TransactionLinkFilters, { nullable: true, defaultValue: null })
+    @Arg('filters', () => TransactionLinkFilters, { nullable: true })
     filters: TransactionLinkFilters,
     @Arg('userId', () => Int)
     userId: number,