diff --git a/src/@types/common.ts b/src/@types/common.ts
index 1331ba92b5..f80b66a632 100644
--- a/src/@types/common.ts
+++ b/src/@types/common.ts
@@ -14,14 +14,6 @@ export type ComponentClass = keyof JSX.IntrinsicElements | JSXElementConstructor
 
 export type { Leaves } from "matrix-web-i18n";
 
-export type RecursivePartial<T> = {
-    [P in keyof T]?: T[P] extends (infer U)[]
-        ? RecursivePartial<U>[]
-        : T[P] extends object
-          ? RecursivePartial<T[P]>
-          : T[P];
-};
-
 export type KeysStartingWith<Input extends object, Str extends string> = {
     // eslint-disable-next-line @typescript-eslint/no-unused-vars
     [P in keyof Input]: P extends `${Str}${infer _X}` ? P : never; // we don't use _X
diff --git a/src/BlurhashEncoder.ts b/src/BlurhashEncoder.ts
index 63521d5d0e..9cd386894f 100644
--- a/src/BlurhashEncoder.ts
+++ b/src/BlurhashEncoder.ts
@@ -6,7 +6,6 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
 Please see LICENSE files in the repository root for full details.
 */
 
-// @ts-ignore - `.ts` is needed here to make TS happy
 import { Request, Response } from "./workers/blurhash.worker.ts";
 import { WorkerManager } from "./WorkerManager";
 import blurhashWorkerFactory from "./workers/blurhashWorkerFactory";
diff --git a/src/PlaybackEncoder.ts b/src/PlaybackEncoder.ts
index aa3fb9bf6a..10a539799d 100644
--- a/src/PlaybackEncoder.ts
+++ b/src/PlaybackEncoder.ts
@@ -6,7 +6,6 @@ SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
 Please see LICENSE files in the repository root for full details.
 */
 
-// @ts-ignore - `.ts` is needed here to make TS happy
 import { Request, Response } from "./workers/playback.worker";
 import { WorkerManager } from "./WorkerManager";
 import playbackWorkerFactory from "./workers/playbackWorkerFactory";
diff --git a/src/vector/indexeddb-worker.ts b/src/vector/indexeddb-worker.ts
deleted file mode 100644
index 12f3f8094d..0000000000
--- a/src/vector/indexeddb-worker.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
-Copyright 2024 New Vector Ltd.
-Copyright 2017 Vector Creations Ltd
-
-SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
-Please see LICENSE files in the repository root for full details.
-*/
-
-import { IndexedDBStoreWorker } from "matrix-js-sdk/src/indexeddb-worker";
-
-const remoteWorker = new IndexedDBStoreWorker(postMessage as InstanceType<typeof Worker>["postMessage"]);
-
-global.onmessage = remoteWorker.onMessage;
diff --git a/test/unit-tests/components/structures/RightPanel-test.tsx b/test/unit-tests/components/structures/RightPanel-test.tsx
index 45af476437..e569369db5 100644
--- a/test/unit-tests/components/structures/RightPanel-test.tsx
+++ b/test/unit-tests/components/structures/RightPanel-test.tsx
@@ -8,7 +8,6 @@ Please see LICENSE files in the repository root for full details.
 
 import React from "react";
 import { render, screen, waitFor } from "jest-matrix-react";
-import { jest } from "@jest/globals";
 import { mocked, MockedObject } from "jest-mock";
 import { MatrixClient } from "matrix-js-sdk/src/matrix";
 
diff --git a/test/unit-tests/components/structures/UploadBar-test.tsx b/test/unit-tests/components/structures/UploadBar-test.tsx
index 41dcd5fe7c..6f6c038414 100644
--- a/test/unit-tests/components/structures/UploadBar-test.tsx
+++ b/test/unit-tests/components/structures/UploadBar-test.tsx
@@ -8,7 +8,6 @@ Please see LICENSE files in the repository root for full details.
 
 import React from "react";
 import { render } from "jest-matrix-react";
-import { jest } from "@jest/globals";
 import { Room } from "matrix-js-sdk/src/matrix";
 
 import { stubClient } from "../../../test-utils";
diff --git a/test/unit-tests/components/views/elements/AppTile-test.tsx b/test/unit-tests/components/views/elements/AppTile-test.tsx
index 844f9fd22f..129a409cf6 100644
--- a/test/unit-tests/components/views/elements/AppTile-test.tsx
+++ b/test/unit-tests/components/views/elements/AppTile-test.tsx
@@ -7,7 +7,6 @@ Please see LICENSE files in the repository root for full details.
 */
 
 import React from "react";
-import { jest } from "@jest/globals";
 import { Room, MatrixClient } from "matrix-js-sdk/src/matrix";
 import { ClientWidgetApi, IWidget, MatrixWidgetType } from "matrix-widget-api";
 import { Optional } from "matrix-events-sdk";