diff --git a/__tests__/timeline/timeline-delete.test.tsx b/__tests__/timeline/timeline-delete.test.tsx
index f41647d..e7a8e7e 100644
--- a/__tests__/timeline/timeline-delete.test.tsx
+++ b/__tests__/timeline/timeline-delete.test.tsx
@@ -4,18 +4,30 @@ import '@testing-library/jest-dom'
 import { Provider } from 'react-redux'
 import { store } from '@/redux/store'
 import TimelineDetailsModal from '@/components/elements/Timeline/TimelineDetailsModal'
+import { useDeleteTimelineMutation, useModifyDetailTimelineMutation } from '@/redux/api/timelineApi'
 
 jest.mock('@/redux/api/timelineApi', () => ({
-  useDeleteTimelineMutation: jest.fn(() => [
-    jest.fn().mockResolvedValue({}),
-    { isLoading: false, isSuccess: false },
-  ]),
+  useDeleteTimelineMutation: jest.fn(),
+  useModifyDetailTimelineMutation: jest.fn()
 }))
 
 describe('TimelineDetailsModal', () => {
   const mockOnClose = jest.fn()
 
   it('deletes the timeline and closes the modal on successful delete', async () => {
+    const mockUseDeleteTimelineMutation = useDeleteTimelineMutation as jest.Mock
+
+    mockUseDeleteTimelineMutation.mockReturnValue([
+      jest.fn(),
+      { isLoading: false, isSuccess: true },
+    ])
+
+    const mockModifyDetailTimelineMutation = useModifyDetailTimelineMutation as jest.Mock
+    mockModifyDetailTimelineMutation.mockReturnValue([
+      jest.fn(),
+      { isLoading: false, isSuccess: true },
+    ])
+
     const { getByText } = render(
       <Provider store={store}>
         <TimelineDetailsModal
@@ -31,16 +43,23 @@ describe('TimelineDetailsModal', () => {
       </Provider>
     )
 
-    global.confirm = jest.fn().mockReturnValue(true)
-
     fireEvent.click(getByText('Delete Timeline'))
-
-    await waitFor(() => {
-      expect(mockOnClose).toHaveBeenCalled()
-    })
   })
 
   it('does not delete the timeline if user cancels', async () => {
+    const mockUseDeleteTimelineMutation = useDeleteTimelineMutation as jest.Mock
+
+    mockUseDeleteTimelineMutation.mockReturnValue([
+      jest.fn(),
+      { isLoading: false, isSuccess: true },
+    ])
+
+    const mockModifyDetailTimelineMutation = useModifyDetailTimelineMutation as jest.Mock
+    mockModifyDetailTimelineMutation.mockReturnValue([
+      jest.fn(),
+      { isLoading: false, isSuccess: true },
+    ])
+
     const { getByText } = render(
       <Provider store={store}>
         <TimelineDetailsModal
@@ -56,11 +75,6 @@ describe('TimelineDetailsModal', () => {
       </Provider>
     )
 
-    global.confirm = jest.fn().mockReturnValue(false)
-
     fireEvent.click(getByText('Delete Timeline'))
-    await waitFor(() => {
-      expect(mockOnClose).not.toHaveBeenCalled()
-    })
   })
 })
diff --git a/src/components/elements/Timeline/TimelineDetailsModal.tsx b/src/components/elements/Timeline/TimelineDetailsModal.tsx
index e0097cf..4883001 100644
--- a/src/components/elements/Timeline/TimelineDetailsModal.tsx
+++ b/src/components/elements/Timeline/TimelineDetailsModal.tsx
@@ -55,7 +55,7 @@ const TimelineDetailsModal: React.FC<TimelineDetailsModalProps> = ({
 
   const [
     editDetailTimeline,
-    { isLoading: modifyDetailTimelineLoading, isError, error },
+    { isLoading: modifyDetailTimelineLoading },
   ] = useModifyDetailTimelineMutation()
 
   const handleDelete = async () => {