diff --git a/src/config.js b/src/config.js
index 1fc9b4ea895..e9c37a8d329 100644
--- a/src/config.js
+++ b/src/config.js
@@ -38,8 +38,6 @@ const DEFAULT_DEVICE_ACCESS = true;
 const DEFAULT_MAX_NESTED_IFRAMES = 10;
 const DEFAULT_MAXBID_VALUE = 5000
 
-const DEFAULT_TIMEOUTBUFFER = 400;
-
 const DEFAULT_IFRAMES_CONFIG = {};
 
 export const RANDOM = 'random';
@@ -157,8 +155,6 @@ export function newConfig() {
        */
       deviceAccess: DEFAULT_DEVICE_ACCESS,
 
-      // timeout buffer to adjust for bidder CDN latency
-      timeoutBuffer: DEFAULT_TIMEOUTBUFFER,
       disableAjaxTimeout: DEFAULT_DISABLE_AJAX_TIMEOUT,
 
       // default max nested iframes for referer detection