diff --git a/package.json b/package.json
index c5fe2d64..162c83f9 100644
--- a/package.json
+++ b/package.json
@@ -45,46 +45,9 @@
     "babel-preset-es2015": "^6.6.0",
     "extend": "^3.0.0",
     "gulp": "github:gulpjs/gulp#4.0",
-    "gulp-pipeline": ">=4.0.3",
+    "gulp-pipeline": ">=4.0.10",
     "moment": "^2.11.2"
   },
-  "old-grunt-devDependencies": {
-    "autoprefixer": "^6.3.3",
-    "babel-eslint": "^5.0.0",
-    "babel-polyfill": "^6.6",
-    "babel-preset-es2015-rollup": "^1.1.1",
-    "btoa": "~1.1.2",
-    "glob": "~7.0.0",
-    "grunt": "~0.4.5",
-    "grunt-build-control": "~0.6.3",
-    "grunt-contrib-clean": "~1.0.0",
-    "grunt-contrib-compress": "~1.0.0",
-    "grunt-contrib-connect": "~0.11.2",
-    "grunt-contrib-copy": "~0.8.2",
-    "grunt-contrib-cssmin": "~0.14.0",
-    "grunt-contrib-qunit": "~1.0.1",
-    "grunt-contrib-uglify": "~0.11.1",
-    "grunt-contrib-watch": "~0.6.1",
-    "grunt-eslint": "^18.0.0",
-    "grunt-exec": "~0.4.6",
-    "grunt-html": "~6.0.0",
-    "grunt-jekyll": "~0.4.4",
-    "grunt-postcss": "^0.7.2",
-    "grunt-sass": "^1.1.0",
-    "grunt-saucelabs": "~8.6.2",
-    "grunt-scss-lint": "^0.3.8",
-    "grunt-stamp": "^0.1.0",
-    "is-travis": "^1.0.0",
-    "load-grunt-tasks": "~3.4.1",
-    "markdown-it": "^6.0.0",
-    "mq4-hover-shim": "^0.3.0",
-    "node-extend": "^0.2.0",
-    "npm-shrinkwrap": "^200.1.0",
-    "rollup": "^0.25",
-    "rollup-plugin-babel": "^2.4",
-    "rollup-plugin-multi-entry": "^1.1",
-    "time-grunt": "^1.3.0"
-  },
   "engines": {
     "node": ">=0.10.1"
   },