diff --git a/app/assets/javascripts/admin/posts.js.coffee b/app/assets/javascripts/admin/posts.coffee
similarity index 100%
rename from app/assets/javascripts/admin/posts.js.coffee
rename to app/assets/javascripts/admin/posts.coffee
diff --git a/app/assets/javascripts/comment.js.coffee b/app/assets/javascripts/comment.js.coffee
deleted file mode 100644
index 1794d7c..0000000
--- a/app/assets/javascripts/comment.js.coffee
+++ /dev/null
@@ -1,3 +0,0 @@
-$(document).on 'turbolinks:load', ->
-  $('#alert-container .close-button').click ()->
-    $('#alert-container').hide()
diff --git a/app/assets/javascripts/google_anlytics.js.coffee.erb b/app/assets/javascripts/google_anlytics.coffee.erb
similarity index 100%
rename from app/assets/javascripts/google_anlytics.js.coffee.erb
rename to app/assets/javascripts/google_anlytics.coffee.erb
diff --git a/app/assets/javascripts/like.js.coffee b/app/assets/javascripts/like.coffee
similarity index 100%
rename from app/assets/javascripts/like.js.coffee
rename to app/assets/javascripts/like.coffee
diff --git a/app/assets/javascripts/qrcode_op.js.coffee b/app/assets/javascripts/qrcode_op.coffee
similarity index 100%
rename from app/assets/javascripts/qrcode_op.js.coffee
rename to app/assets/javascripts/qrcode_op.coffee