diff --git a/lib/plugins.js b/lib/plugins.js
index 80bbcc9b..3080f681 100644
--- a/lib/plugins.js
+++ b/lib/plugins.js
@@ -39,7 +39,6 @@ const mapValuesWithKey = _.mapValues.convert({
 const TRADE_TTL = 2 * T.minutes
 const STALE_TICKER = 3 * T.minutes
 const STALE_BALANCE = 3 * T.minutes
-const PONG_TTL = '1 week'
 const tradesQueues = {}
 
 function plugins (settings, deviceId) {