diff --git a/package.json b/package.json
index 24e641e..fd92e05 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,6 @@
     "rsa-pem-to-jwk": "^1.1.3",
     "safe-buffer": "^5.0.1",
     "tweetnacl": "^0.14.5",
-    "browserify-optional": "^1.0.0",
     "webcrypto-shim": "github:dignifiedquire/webcrypto-shim#master"
   },
   "devDependencies": {
@@ -64,11 +63,6 @@
     "node": ">=4.0.0",
     "npm": ">=3.0.0"
   },
-  "browserify": {
-    "transform": [
-      "browserify-optional"
-    ]
-  },
   "repository": {
     "type": "git",
     "url": "https://github.com/libp2p/js-libp2p-crypto.git"
@@ -87,4 +81,4 @@
     "greenkeeperio-bot <support@greenkeeper.io>",
     "nikuda <nikuda@gmail.com>"
   ]
-}
\ No newline at end of file
+}