diff --git a/app/assets/javascripts/app/controllers/calendar.js.coffee b/app/assets/javascripts/app/controllers/calendar.js.coffee
index 3640e8686..249556e6c 100644
--- a/app/assets/javascripts/app/controllers/calendar.js.coffee
+++ b/app/assets/javascripts/app/controllers/calendar.js.coffee
@@ -2,6 +2,8 @@ class Index extends App.ControllerContent
   events:
     'click .js-new':         'new'
     'click .js-edit':        'edit'
+    'click .js-delete':      'delete'
+    'click .js-default':     'default'
     'click .js-description': 'description'
 
   constructor: ->
@@ -102,6 +104,28 @@ class Index extends App.ControllerContent
       large:         true
     )
 
+  delete: (e) =>
+    e.preventDefault()
+    id   = $(e.target).closest('.action').data('id')
+    item = App.Calendar.find(id)
+    new App.ControllerGenericDestroyConfirm(
+      item:      item
+      container: @el.closest('.content')
+      callback:  @load
+    )
+
+  default: (e) =>
+    e.preventDefault()
+    id   = $(e.target).closest('.action').data('id')
+    item = App.Calendar.find(id)
+    item.default = true
+    item.save(
+      done: =>
+        @load()
+      fail: =>
+        @load()
+    )
+
   description: (e) =>
     new App.ControllerGenericDescription(
       description: App.Calendar.description
diff --git a/app/assets/javascripts/app/views/calendar/index.jst.eco b/app/assets/javascripts/app/views/calendar/index.jst.eco
index 2913d691a..274722110 100644
--- a/app/assets/javascripts/app/views/calendar/index.jst.eco
+++ b/app/assets/javascripts/app/views/calendar/index.jst.eco
@@ -53,6 +53,7 @@
     <div class="action-block action-block--flex">
       <div class="label"><%- @T('Public Holidays') %></div>
       <table class="table table-fluid">
+        <% if _.isEmpty(calendar.public_holidays_preview): %>-<% end %>
         <% for holiday, meta of calendar.public_holidays_preview: %>
           <tr <% if !meta.active: %>class="is-inactive"<% end %>><td><%- @Tdate(holiday) %></td><td><%= meta.summary %></td></tr>
         <% end %>
@@ -61,8 +62,11 @@
   </div>
   <div class="action-controls">
     <% if !calendar.default: %>
-      <div class="sla-toggle btn btn--danger btn--secondary js-toggle"><%- @T('Delete') %></div>
-      <div class="sla-toggle btn btn--secondary js-toggle"><%- @T('Set as Default') %></div>
+      <div class="sla-toggle btn btn--danger btn--secondary js-delete"><%- @T('Delete') %></div>
+      <div class="sla-toggle btn btn--secondary js-default"><%- @T('Set as Default') %></div>
+    <% else: %>
+      <div class="btn btn--danger btn--secondary is-disabled"><%- @T('Delete') %></div>
+      <div class="btn btn--secondary is-disabled"><%- @T('Is Default') %></div>
     <% end %>
     <div class="sla-edit btn js-edit"><%- @T('Edit') %></div>
   </div>