diff --git a/platform/chromium/vapi-background.js b/platform/chromium/vapi-background.js
index 3a63109b6..a9933478d 100644
--- a/platform/chromium/vapi-background.js
+++ b/platform/chromium/vapi-background.js
@@ -477,6 +477,12 @@ vAPI.net.registerListeners = function() {
     };
     chrome.webRequest.onBeforeRequest.addListener(
         onBeforeRequest,
+        //function(details) {
+        //    quickProfiler.start('onBeforeRequest');
+        //    var r = onBeforeRequest(details);
+        //    quickProfiler.stop();
+        //    return r;
+        //},
         {
             'urls': this.onBeforeRequest.urls || ['<all_urls>'],
             'types': this.onBeforeRequest.types || []
diff --git a/src/js/traffic.js b/src/js/traffic.js
index 7d2af1766..a5089a760 100644
--- a/src/js/traffic.js
+++ b/src/js/traffic.js
@@ -366,12 +366,6 @@ vAPI.net.onBeforeRequest = {
     ],
     extra: [ 'blocking' ],
     callback: onBeforeRequest
-    //function(details) {
-    //    quickProfiler.start('onBeforeRequest');
-    //    var r = onBeforeRequest(details);
-    //    quickProfiler.stop();
-    //    return r;
-    //},
 };
 
 vAPI.net.onBeforeSendHeaders = {
@@ -384,12 +378,6 @@ vAPI.net.onBeforeSendHeaders = {
     ],
     extra: [ 'blocking', 'requestHeaders' ],
     callback: onBeforeSendHeaders
-    //function(details) {
-    //    quickProfiler.start('onBeforeSendHeaders');
-    //    var r = onBeforeSendHeaders(details);
-    //    quickProfiler.stop();
-    //    return r;
-    //},
 };
 
 vAPI.net.onHeadersReceived = {