diff --git a/test/Gruntfile.js b/test/Gruntfile.js
index f2f05b4..c6303cc 100644
--- a/test/Gruntfile.js
+++ b/test/Gruntfile.js
@@ -41,9 +41,6 @@ module.exports = function (grunt) {
   }, {
     browserName: 'iphone',
     version: '8.0'
-  }, {
-    browserName: 'iphone',
-    version: '7.1'
   }, {
     browserName: 'iphone',
     version: '7.0'
@@ -56,12 +53,6 @@ module.exports = function (grunt) {
   }, {
     browserName: 'iphone',
     version: '5.1'
-  }, {
-    browserName: 'opera',
-    version: '12'
-  }, {
-    browserName: 'opera',
-    version: '11'
   }, {
     browserName: 'chrome',
     platform: 'Linux'