diff --git a/mink-plugin/manifest.json b/mink-plugin/manifest.json
index a6eb190..8fa8bd1 100755
--- a/mink-plugin/manifest.json
+++ b/mink-plugin/manifest.json
@@ -25,7 +25,6 @@
   "permissions": [
     "webRequest",
     "<all_urls>",
-    "webRequestBlocking",
     "tabs",
     "storage",
     "notifications",
diff --git a/mink-plugin/mink.js b/mink-plugin/mink.js
index 6980dc0..aab4e63 100755
--- a/mink-plugin/mink.js
+++ b/mink-plugin/mink.js
@@ -452,7 +452,7 @@ chrome.webRequest.onHeadersReceived.addListener(function (deets) {
     })
   })
 },
-{ urls: ['<all_urls>'], types: ['main_frame'] }, ['responseHeaders', 'blocking'])
+{ urls: ['<all_urls>'], types: ['main_frame'] }, ['responseHeaders'])
 
 function createTimemapFromURI (uri, tabId, accumulatedArrayOfTimemaps) {
   log('createTimemapFromURI() - includes write to localstorage', accumulatedArrayOfTimemaps)