diff --git a/.npmignore b/.npmignore
deleted file mode 100644
index 38344f87a6..0000000000
--- a/.npmignore
+++ /dev/null
@@ -1,5 +0,0 @@
-build/
-test/
-examples/
-fs.js
-zlib.js
\ No newline at end of file
diff --git a/package.json b/package.json
index 81402988eb..31bf0591a2 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,14 @@
   "version": "1.1.13",
   "description": "Streams3, a user-land copy of the stream library from Node.js v0.11.x",
   "main": "readable.js",
+  "files": [
+    "duplex.js",
+    "lib",
+    "passthrough.js",
+    "readable.js",
+    "transform.js",
+    "writable.js"
+  ],
   "dependencies": {
     "core-util-is": "~1.0.0",
     "isarray": "0.0.1",