diff --git a/packages/dmn-js/tasks/helpers.js b/packages/dmn-js/tasks/helpers.js
deleted file mode 100644
index f9bcd1d0..00000000
--- a/packages/dmn-js/tasks/helpers.js
+++ /dev/null
@@ -1,23 +0,0 @@
-'use strict';
-
-module.exports.asyncSeries = function(fns, done) {
-
-  var idx = 0;
-
-  function next(err) {
-
-    if (err) {
-      return done(err);
-    }
-
-    var fn = fns[idx++];
-
-    if (!fn) {
-      return done();
-    } else {
-      fn(next);
-    }
-  }
-
-  next();
-};
\ No newline at end of file