diff --git a/README.md b/README.md
index 522d454..0e44006 100644
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ let event = await relay.get({
   ids: ['44e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245']
 })
 
-await relay.close()
+relay.close()
 ```
 
 To use this on Node.js you first must install `websocket-polyfill` and import it:
diff --git a/pool.test.js b/pool.test.js
index 2a23830..1cadfc3 100644
--- a/pool.test.js
+++ b/pool.test.js
@@ -19,8 +19,8 @@ let relays = [
   'wss://nostr.zebedee.cloud/'
 ]
 
-afterAll(async () => {
-  await pool.close([
+afterAll(() => {
+  pool.close([
     ...relays,
     'wss://nostr-relay.untethr.me',
     'wss://offchain.pub',
diff --git a/pool.ts b/pool.ts
index 6ecf469..66e0dcb 100644
--- a/pool.ts
+++ b/pool.ts
@@ -12,13 +12,11 @@ export class SimplePool {
     this._conn = {}
   }
 
-  async close(relays: string[]): Promise<void> {
-    await Promise.all(
-      relays.map(async url => {
+  close(relays: string[]): void {
+      relays.map(url => {
         let relay = this._conn[normalizeURL(url)]
-        if (relay) await relay.close()
+        if (relay) relay.close()
       })
-    )
   }
 
   async ensureRelay(url: string): Promise<Relay> {
diff --git a/relay.test.js b/relay.test.js
index 04c8326..e33cdb2 100644
--- a/relay.test.js
+++ b/relay.test.js
@@ -15,8 +15,8 @@ beforeAll(() => {
   relay.connect()
 })
 
-afterAll(async () => {
-  await relay.close()
+afterAll(() => {
+  relay.close()
 })
 
 test('connectivity', () => {