diff --git a/src/PolykeyAgent.ts b/src/PolykeyAgent.ts
index 6085617fde..6f2ad29945 100644
--- a/src/PolykeyAgent.ts
+++ b/src/PolykeyAgent.ts
@@ -1,4 +1,5 @@
-import type { FileSystem, PolykeyWorkerManagerInterface } from './types';
+import type { FileSystem } from './types';
+import type { PolykeyWorkerManagerInterface } from './workers/types';
 import type { Host, Port } from './network/types';
 
 import path from 'path';
diff --git a/src/keys/KeyManager.ts b/src/keys/KeyManager.ts
index b9d83c6ab7..9caeee8637 100644
--- a/src/keys/KeyManager.ts
+++ b/src/keys/KeyManager.ts
@@ -5,8 +5,9 @@ import type {
   CertificatePem,
   CertificatePemChain,
 } from './types';
-import type { FileSystem, PolykeyWorkerManagerInterface } from '../types';
+import type { FileSystem } from '../types';
 import type { NodeId } from '../nodes/types';
+import type { PolykeyWorkerManagerInterface } from '../workers/types';
 
 import path from 'path';
 import Logger from '@matrixai/logger';
diff --git a/src/notifications/NotificationsManager.ts b/src/notifications/NotificationsManager.ts
index 496d8f6167..6d320542be 100644
--- a/src/notifications/NotificationsManager.ts
+++ b/src/notifications/NotificationsManager.ts
@@ -9,7 +9,6 @@ import type { DB, DBLevel } from '@matrixai/db';
 import type { KeyManager } from '../keys';
 import type { NodeManager } from '../nodes';
 import type { NodeId } from '../nodes/types';
-import type { PolykeyWorkerManagerInterface } from '../types';
 
 import Logger from '@matrixai/logger';
 import { Mutex } from 'async-mutex';
@@ -34,7 +33,6 @@ class NotificationsManager {
   protected db: DB;
   protected keyManager: KeyManager;
   protected nodeManager: NodeManager;
-  protected workerManager?: PolykeyWorkerManagerInterface;
 
   protected messageCap: number;
 
diff --git a/src/types.ts b/src/types.ts
index fc50563ff3..33e3a5a6ec 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,6 +1,4 @@
 import type fs from 'fs';
-import type { WorkerManagerInterface } from '@matrixai/workers';
-import type { PolykeyWorkerModule } from './workers';
 
 /**
  * Plain data dictionary
@@ -76,9 +74,6 @@ type LockConfig = {
   clientPort?: number | undefined;
 } & POJO;
 
-type PolykeyWorkerManagerInterface =
-  WorkerManagerInterface<PolykeyWorkerModule>;
-
 export {
   POJO,
   Opaque,
@@ -90,6 +85,4 @@ export {
   Timer,
   FileSystem,
   LockConfig,
-  PolykeyWorkerManagerInterface,
-  PolykeyWorkerModule,
 };
diff --git a/src/vaults/VaultManager.ts b/src/vaults/VaultManager.ts
index 60e7640101..e5bf2ea6e4 100644
--- a/src/vaults/VaultManager.ts
+++ b/src/vaults/VaultManager.ts
@@ -7,8 +7,9 @@ import type {
   VaultList,
   Vault,
 } from './types';
-import type { FileSystem, PolykeyWorkerManagerInterface } from '../types';
+import type { FileSystem } from '../types';
 import type { NodeId } from '../nodes/types';
+import type { PolykeyWorkerManagerInterface } from '../workers/types';
 
 import path from 'path';
 import Logger from '@matrixai/logger';
diff --git a/src/workers/index.ts b/src/workers/index.ts
index 3d96716750..a6cf25ab74 100644
--- a/src/workers/index.ts
+++ b/src/workers/index.ts
@@ -1,3 +1,5 @@
 export { default as polykeyWorker } from './polykeyWorkerModule';
-export type { PolykeyWorkerModule } from './polykeyWorkerModule';
 export * as utils from './utils';
+
+export type { PolykeyWorkerModule } from './polykeyWorkerModule';
+export type { PolykeyWorkerManagerInterface } from './types';
diff --git a/src/workers/types.ts b/src/workers/types.ts
new file mode 100644
index 0000000000..293232ca38
--- /dev/null
+++ b/src/workers/types.ts
@@ -0,0 +1,7 @@
+import type { WorkerManagerInterface } from '@matrixai/workers';
+import type { PolykeyWorkerModule } from './polykeyWorkerModule';
+
+type PolykeyWorkerManagerInterface =
+  WorkerManagerInterface<PolykeyWorkerModule>;
+
+export type { PolykeyWorkerManagerInterface };
diff --git a/src/workers/utils.ts b/src/workers/utils.ts
index a9a2f42999..04c208da07 100644
--- a/src/workers/utils.ts
+++ b/src/workers/utils.ts
@@ -1,17 +1,19 @@
+import type { PolykeyWorkerModule } from './polykeyWorkerModule';
+import type { PolykeyWorkerManagerInterface } from './types';
+
 import { WorkerManager } from '@matrixai/workers';
-import { PolykeyWorkerModule } from './polykeyWorkerModule';
-import { spawn, Worker } from 'threads';
 import Logger from '@matrixai/logger';
+import { spawn, Worker } from 'threads';
 
-function createWorkerManager({
+async function createWorkerManager({
   cores,
   logger,
 }: {
   cores?: number;
   logger?: Logger;
-}) {
-  return WorkerManager.createWorkerManager<PolykeyWorkerModule>({
-    workerFactory: () => spawn(new Worker('../../src/workers/polykeyWorker')),
+}): Promise<PolykeyWorkerManagerInterface> {
+  return await WorkerManager.createWorkerManager<PolykeyWorkerModule>({
+    workerFactory: () => spawn(new Worker('./polykeyWorker')),
     cores,
     logger,
   });
diff --git a/tests/workers/polykeyWorker.test.ts b/tests/workers/polykeyWorker.test.ts
index b599ec1d3e..da04b6d6a2 100644
--- a/tests/workers/polykeyWorker.test.ts
+++ b/tests/workers/polykeyWorker.test.ts
@@ -1,4 +1,4 @@
-import type { PolykeyWorkerManagerInterface } from '@/types';
+import type { PolykeyWorkerManagerInterface } from '@/workers/types';
 
 import Logger, { LogLevel, StreamHandler } from '@matrixai/logger';
 import { createWorkerManager } from '@/workers/utils';
@@ -8,7 +8,6 @@ describe('Polykey worker', () => {
     new StreamHandler(),
   ]);
   let workerManager: PolykeyWorkerManagerInterface;
-
   beforeAll(async () => {
     workerManager = await createWorkerManager({
       cores: 1,
@@ -18,7 +17,6 @@ describe('Polykey worker', () => {
   afterAll(async () => {
     await workerManager.destroy();
   });
-
   test('generateKeyPairAsn1', async () => {
     await workerManager.call(async (w) => {
       await w.generateKeyPairAsn1(4096);