diff --git a/lib/is_arguments.js b/lib/is_arguments.js
deleted file mode 100644
index 4b09f2a..0000000
--- a/lib/is_arguments.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = require('is-arguments');
diff --git a/lib/keys.js b/lib/keys.js
deleted file mode 100644
index 5b4ae49..0000000
--- a/lib/keys.js
+++ /dev/null
@@ -1 +0,0 @@
-module.exports = require('object-keys');