diff --git a/package.json b/package.json
index 18ada7ac..d9351911 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,6 @@
     "init": "./scripts/init.sh",
     "log": "./scripts/log.sh",
     "prepublish": "./scripts/prepublish.sh",
-    "postinstall": "if [ -e ./scripts/postinstall.sh ]; then ./scripts/postinstall.sh; fi",
     "postpublish": "./scripts/postpublish.sh",
     "test": "./scripts/build.sh && ./scripts/test.sh"
   },
diff --git a/scripts/postinstall.sh b/scripts/postinstall.sh
deleted file mode 100755
index 1c09ede8..00000000
--- a/scripts/postinstall.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/bash
-
-if [[ ! -d 'lib' ]]; then
-  npm i babel@5.8.34 --save
-  ./scripts/build.sh
-fi