diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
deleted file mode 100644
--- a/app/assets/javascripts/application.js
+++ /dev/null
@@ -1,55 +0,0 @@
-// This is a manifest file that'll be compiled into application.js, which will include all the files
-// listed below.
-//
-// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
-// or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
-//
-// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
-// the compiled file.
-//
-// WARNING: THE FIRST BLANK LINE MARKS THE END OF WHAT'S TO BE PROCESSED, ANY BLANK LINE SHOULD
-// GO AFTER THE REQUIRES BELOW.
-//
-//= require jquery
-//= require jquery_ujs
-//= require jszip/dist/jszip.min
-//= require pdfmake/build/pdfmake.min
-//= require datatables.net/js/jquery.dataTables.min
-//= require datatables.net-bs/js/dataTables.bootstrap.min
-//= require datatables.net-buttons/js/dataTables.buttons.min
-//= require datatables.net-buttons-bs/js/buttons.bootstrap.min
-//= require datatables.net-buttons/js/buttons.colVis.min
-//= require datatables.net-buttons/js/buttons.flash.min
-//= require datatables.net-buttons/js/buttons.html5.min
-//= require datatables.net-buttons/js/buttons.print.min
-//= require jquery-ui
-//= require bootstrap-sprockets
-//= require moment
-//= require moment/th
-//= require bootstrap-sortable
-//= require bootstrap-datetimepicker
-//= require select2
-//= require ace-rails-ap
-//= require ace/mode-c_cpp
-//= require ace/mode-python
-//= require ace/mode-ruby
-//= require ace/mode-pascal
-//= require ace/mode-javascript
-//= require ace/mode-java
-//= require ace/theme-merbivore
-//= require custom
-//= require jquery.countdown
-//-------------- addition from local_jquery -----------
-//= require jquery-tablesorter
-//= require best_in_place
-//= require best_in_place.jquery-ui
-//= require brython
-//= re quire bootstrap-datepicker
-//= require bootstrap-datetimepicker
-
-// since this is after blank line, it is not downloaded
-//x= require prototype
-//x= require prototype_ujs
-//x= require effects
-//x= require dragdrop
-//x= require controls