diff --git a/on_release.js b/on_release.js
deleted file mode 100644
index 286c4a7..0000000
--- a/on_release.js
+++ /dev/null
@@ -1,25 +0,0 @@
-var botio = require(process.env['BOTIO_MODULE']);
-var path = require('path');
-require('shelljs/global');
-
-try {
-  var jobInfo = JSON.parse(process.env['BOTIO_JOBINFO']);
-  var reason = 'See mozilla/pdf.js@' + jobInfo.head_sha;
-  process.env['PDFJS_UPDATE_REASON'] = reason;
-  echo('>> Setting reason to: ' + reason);
-} catch (_) {}
-
-exec('npm install', {async:true}, function () {
-
-//
-// Publish library to pdfjs-dist
-//
-exec('npx gulp dist', {async:true}, function() {
-
-cd('build/dist');
-exec('git push --tags git@github.com:mozilla/pdfjs-dist.git master');
-exec('npm publish');
-cd('../..');
-
-}); // npx gulp dist
-}); // npm install