diff --git a/packages/angular-query-experimental/src/__tests__/inject-is-mutating.test.ts b/packages/angular-query-experimental/src/__tests__/inject-is-mutating.test.ts
index 08b69616607..ccfa8e46407 100644
--- a/packages/angular-query-experimental/src/__tests__/inject-is-mutating.test.ts
+++ b/packages/angular-query-experimental/src/__tests__/inject-is-mutating.test.ts
@@ -31,7 +31,7 @@ describe('injectIsMutating', () => {
     vi.useRealTimers()
   })
 
-  test('should properly return isMutating state', async () => {
+  test('should properly return isMutating state', () => {
     TestBed.runInInjectionContext(() => {
       const isMutating = injectIsMutating()
       const mutation = injectMutation(() => ({
diff --git a/packages/angular-query-experimental/src/__tests__/inject-mutation.test.ts b/packages/angular-query-experimental/src/__tests__/inject-mutation.test.ts
index b61b4e25b0e..a15daa54db3 100644
--- a/packages/angular-query-experimental/src/__tests__/inject-mutation.test.ts
+++ b/packages/angular-query-experimental/src/__tests__/inject-mutation.test.ts
@@ -120,7 +120,7 @@ describe('injectMutation', () => {
     })
   })
 
-  test('reactive options should update mutation', async () => {
+  test('reactive options should update mutation', () => {
     const mutationCache = queryClient.getMutationCache()
     // Signal will be updated before the mutation is called
     // this test confirms that the mutation uses the updated value
diff --git a/packages/angular-query-experimental/src/__tests__/inject-query.test.ts b/packages/angular-query-experimental/src/__tests__/inject-query.test.ts
index 849a7ef42e0..51d20efaced 100644
--- a/packages/angular-query-experimental/src/__tests__/inject-query.test.ts
+++ b/packages/angular-query-experimental/src/__tests__/inject-query.test.ts
@@ -232,7 +232,7 @@ describe('injectQuery', () => {
         ...options,
       }))
     const fromWrappedQuery = TestBed.runInInjectionContext(() =>
-      createWrappedQuery([''], async () => '1'),
+      createWrappedQuery([''], () => Promise.resolve('1')),
     )
     expectTypeOf(fromWrappedQuery.data()).toEqualTypeOf<string | undefined>()
 
@@ -252,7 +252,7 @@ describe('injectQuery', () => {
       >,
     ) => injectQuery(() => ({ queryKey: qk, queryFn: fetcher, ...options }))
     const fromWrappedFuncStyleQuery = TestBed.runInInjectionContext(() =>
-      createWrappedFuncStyleQuery([''], async () => true),
+      createWrappedFuncStyleQuery([''], () => Promise.resolve(true)),
     )
     expectTypeOf(fromWrappedFuncStyleQuery.data()).toEqualTypeOf<
       boolean | undefined
diff --git a/packages/query-devtools/src/__tests__/utils.test.ts b/packages/query-devtools/src/__tests__/utils.test.ts
index e57933cd2df..60fbcf130ec 100644
--- a/packages/query-devtools/src/__tests__/utils.test.ts
+++ b/packages/query-devtools/src/__tests__/utils.test.ts
@@ -4,7 +4,7 @@ import { deleteNestedDataByPath, updateNestedDataByPath } from '../utils'
 describe('Utils tests', () => {
   describe('updatedNestedDataByPath', () => {
     describe('array', () => {
-      it('should update data correctly', async () => {
+      it('should update data correctly', () => {
         const oldData = ['one', 'two', 'three']
 
         const newData = updateNestedDataByPath(oldData, ['1'], 'new')
@@ -29,7 +29,7 @@ describe('Utils tests', () => {
     })
 
     describe('object', () => {
-      it('should update data correctly', async () => {
+      it('should update data correctly', () => {
         const oldData = { title: 'Hello world', id: 1, createdAt: '2021-01-01' }
 
         const newData = updateNestedDataByPath(
@@ -58,7 +58,7 @@ describe('Utils tests', () => {
     })
 
     describe('set', () => {
-      it('should update data correctly', async () => {
+      it('should update data correctly', () => {
         const oldData = new Set([123, 321, 'hello', 'world'])
 
         const newData = updateNestedDataByPath(oldData, ['2'], 'hi')
@@ -85,7 +85,7 @@ describe('Utils tests', () => {
     })
 
     describe('map', () => {
-      it('should update data correctly', async () => {
+      it('should update data correctly', () => {
         const oldData = new Map([
           ['en', 'hello'],
           ['fr', 'bonjour'],
@@ -113,7 +113,7 @@ describe('Utils tests', () => {
     })
 
     describe('nested data', () => {
-      it('should update data correctly', async () => {
+      it('should update data correctly', () => {
         /* eslint-disable cspell/spellchecker */
         const oldData = new Map([
           [
@@ -377,7 +377,7 @@ describe('Utils tests', () => {
   })
 
   describe('deleteNestedDataByPath', () => {
-    it('should delete item from array correctly', async () => {
+    it('should delete item from array correctly', () => {
       const oldData = ['one', 'two', 'three']
 
       const newData = deleteNestedDataByPath(oldData, ['1'])
@@ -399,7 +399,7 @@ describe('Utils tests', () => {
       `)
     })
 
-    it('should delete item from object correctly', async () => {
+    it('should delete item from object correctly', () => {
       const oldData = { title: 'Hello world', id: 1, createdAt: '2021-01-01' }
 
       const newData = deleteNestedDataByPath(oldData, ['createdAt'])
@@ -472,7 +472,7 @@ describe('Utils tests', () => {
     })
 
     describe('nested data', () => {
-      it('should delete nested items correctly', async () => {
+      it('should delete nested items correctly', () => {
         /* eslint-disable cspell/spellchecker */
         const oldData = new Map([
           [
diff --git a/packages/query-persist-client-core/src/__tests__/utils.ts b/packages/query-persist-client-core/src/__tests__/utils.ts
index d633cf72681..01287a2422d 100644
--- a/packages/query-persist-client-core/src/__tests__/utils.ts
+++ b/packages/query-persist-client-core/src/__tests__/utils.ts
@@ -17,7 +17,7 @@ export function createMockPersister(): Persister {
   let storedState: PersistedClient | undefined
 
   return {
-    async persistClient(persistClient: PersistedClient) {
+    persistClient(persistClient: PersistedClient) {
       storedState = persistClient
     },
     async restoreClient() {