diff --git a/tests/_helpers/helpers.js b/tests/_helpers/helpers.js
index dda6a74e..c8438186 100644
--- a/tests/_helpers/helpers.js
+++ b/tests/_helpers/helpers.js
@@ -213,7 +213,7 @@ export const closeClient = function (client) {
   return new Promise((resolve) => {
     let sessionId = client._lastSessionId;
 
-    Object.entries(client._subscriptions).forEach(([subId, sub]) => {
+    Object.entries(client._subscriptions).forEach(([, sub]) => {
       sub?.stop();
     });