diff --git a/src/core/js/ext_data_analysis.js b/src/core/js/ext_data_analysis.js
index 3bdb46b619a866f6c56d269603f0bef8c4effcf3..6dafcfa417b21819d402b07e92912df3890fb80e 100644
--- a/src/core/js/ext_data_analysis.js
+++ b/src/core/js/ext_data_analysis.js
@@ -35,7 +35,7 @@
  * @version 0.1
  *
  */
-var ext_data_analysis = function (somelibrary) {
+var ext_data_analysis = function () {
 
     var init = function (toolbox) {
         /* initialization of the module */
@@ -85,7 +85,7 @@ var ext_data_analysis = function (somelibrary) {
         init: init,
     };
 //pass the dependencies as arguments here as well
-}(somelibrary);
+}();
 
 // this will be replaced by require.js in the future.
 $(document).ready(function() {