From 1ed7bca2c3e405b408ccac5e83487d59864b29c5 Mon Sep 17 00:00:00 2001
From: Patrik Johansson <tretne@hotmail.com>
Date: Mon, 5 Aug 2019 17:07:44 +0200
Subject: [PATCH 1/2] Clear WebSocket event listeners on close.

---
 src/client.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/client.ts b/src/client.ts
index e7a3fd72f..c36b4b045 100644
--- a/src/client.ts
+++ b/src/client.ts
@@ -167,6 +167,10 @@ export class SubscriptionClient {
       }
 
       this.client.close();
+      this.client.onopen = null;
+      this.client.onclose = null;
+      this.client.onerror = null;
+      this.client.onmessage = null;
       this.client = null;
       this.eventEmitter.emit('disconnected');
 

From 0348bb62b1b5a1d536827b22016f98a00dfed15e Mon Sep 17 00:00:00 2001
From: hwillson <hugh@octonary.com>
Date: Mon, 10 Aug 2020 07:44:44 -0400
Subject: [PATCH 2/2] Changelog update

---
 CHANGELOG.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0a8a3e1f..78a4dd5c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,8 @@
 
 - Do not send GQL_STOP when unsubscribing after GQL_COMPLETE is received.  <br/>
   [@onhate](/~https://github.com/onhate) in [#775](/~https://github.com/apollographql/subscriptions-transport-ws/pull/775)
+- Clear WebSocket event listeners on close.  <br/>
+  [@tretne](/~https://github.com/tretne) in [#615](/~https://github.com/apollographql/subscriptions-transport-ws/pull/615)
 
 ### New Features