diff --git a/grunt/npm-shrinkwrap.json b/grunt/npm-shrinkwrap.json
index a2eba8cfe7..114d18d331 100644
--- a/grunt/npm-shrinkwrap.json
+++ b/grunt/npm-shrinkwrap.json
@@ -278,10 +278,6 @@
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.1.3.tgz"
     },
-    "btoa": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/btoa/-/btoa-1.1.2.tgz"
-    },
     "buffer-crc32": {
       "version": "0.2.5",
       "resolved": "https://registry.npmjs.org/buffer-crc32/-/buffer-crc32-0.2.5.tgz"
diff --git a/package.json b/package.json
index edc3f98233..fbd74338a0 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,6 @@
   "devDependencies": {
     "autoprefixer": "^6.0.3",
     "babel-eslint": "^4.1.3",
-    "btoa": "^1.1.2",
     "glob": "^7.0.0",
     "grunt": "^0.4.5",
     "grunt-babel": "^5.0.3",