diff --git a/commons/src/utils/deep-partial.ts b/commons/src/utils/deep-partial.ts
new file mode 100644
index 000000000..e076087a7
--- /dev/null
+++ b/commons/src/utils/deep-partial.ts
@@ -0,0 +1,13 @@
+/*
+ * SPDX-FileCopyrightText: 2023 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export type DeepPartial<T> = T extends null | undefined
+  ? T
+  : T extends Array<infer ArrayType>
+  ? Array<DeepPartial<ArrayType>>
+  : T extends Record<string | number | symbol, unknown>
+  ? { [P in keyof T]?: DeepPartial<T[P]> }
+  : T
diff --git a/commons/src/utils/index.ts b/commons/src/utils/index.ts
index 8c5efc05d..de8f49526 100644
--- a/commons/src/utils/index.ts
+++ b/commons/src/utils/index.ts
@@ -5,3 +5,4 @@
  */
 
 export * from './wait-for-other-promises-to-finish.js'
+export type { DeepPartial } from './deep-partial.js'
diff --git a/frontend/src/test-utils/mock-app-state.ts b/frontend/src/test-utils/mock-app-state.ts
index 38df25b51..729c7afb8 100644
--- a/frontend/src/test-utils/mock-app-state.ts
+++ b/frontend/src/test-utils/mock-app-state.ts
@@ -5,7 +5,6 @@
  */
 import * as useApplicationStateModule from '../hooks/common/use-application-state'
 import type { ApplicationState } from '../redux/application-state'
-import type { DeepPartial } from 'redux'
 import { initialState as initialStateDarkMode } from '../redux/dark-mode/reducers'
 import { initialState as initialStateEditorConfig } from '../redux/editor/reducers'
 import { initialState as initialStateNoteDetails } from '../redux/note-details/initial-state'
@@ -13,7 +12,7 @@ import { initialState as initialStateRealtimeStatus } from '../redux/realtime/re
 import { initialState as initialStateRendererStatus } from '../redux/renderer-status/reducers'
 import type { NoteDetails } from '../redux/note-details/types/note-details'
 import type { RealtimeStatus } from '../redux/realtime/types'
-import type { HistoryEntryWithOrigin } from '../api/history/types'
+import type { DeepPartial } from '@hedgedoc/commons'
 
 jest.mock('../redux/editor/methods', () => ({
   loadFromLocalStorage: jest.fn().mockReturnValue(undefined)
@@ -37,7 +36,7 @@ export const mockAppState = (state?: DeepPartial<ApplicationState>) => {
         ...initialStateEditorConfig,
         ...state?.editorConfig
       },
-      history: (state?.history ?? []) as HistoryEntryWithOrigin[],
+      history: state?.history ?? [],
       noteDetails: {
         ...initialStateNoteDetails,
         ...state?.noteDetails
diff --git a/frontend/src/test-utils/mock-note-permissions.ts b/frontend/src/test-utils/mock-note-permissions.ts
index df9be71de..4ca09453b 100644
--- a/frontend/src/test-utils/mock-note-permissions.ts
+++ b/frontend/src/test-utils/mock-note-permissions.ts
@@ -4,10 +4,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 import type { ApplicationState } from '../redux/application-state'
-import type { DeepPartial } from 'redux'
 import { mockAppState } from './mock-app-state'
-import type { LoginUserInfo } from '../api/me/types'
-import type { NotePermissions } from '@hedgedoc/commons'
+import type { DeepPartial, NotePermissions } from '@hedgedoc/commons'
 
 /**
  * Mocks the {@link NotePermissions} field of a note in the {@link ApplicationState }for a test.
@@ -38,6 +36,6 @@ export const mockNotePermissions = (
     user: {
       ...additionalState?.user,
       username: ownUsername
-    } as LoginUserInfo
-  })
+    }
+  } as DeepPartial<ApplicationState>)
 }