diff --git a/packages/babel/scripts/postpublish.js b/packages/babel/scripts/postpublish.js
new file mode 100644
index 0000000000..f94ca17ea5
--- /dev/null
+++ b/packages/babel/scripts/postpublish.js
@@ -0,0 +1,10 @@
+function rmRelative(loc) {
+  rm(__dirname + "/../" + loc);
+}
+
+rmRelative("browser.js");
+rmRelative("browser.min.js");
+rmRelative("browser-polyfill.js");
+rmRelative("browser-polyfill.min.js");
+rmRelative("external-helpers.js");
+rmRelative("external-helpers.min.js");