diff --git a/db/migrate/20180212000001_setting_add_ticket_auto_assignment.rb b/db/migrate/20180212000001_setting_add_ticket_auto_assignment.rb
deleted file mode 100644
index 0fa2703ff..000000000
--- a/db/migrate/20180212000001_setting_add_ticket_auto_assignment.rb
+++ /dev/null
@@ -1,51 +0,0 @@
-class SettingAddTicketAutoAssignment < ActiveRecord::Migration[5.1]
-  def up
-
-    # return if it's a new setup
-    return if !Setting.find_by(name: 'system_init_done')
-
-    Setting.create_if_not_exists(
-      title: 'Auto Assigment',
-      name: 'ticket_auto_assignment',
-      area: 'Web::Base',
-      description: 'Enable ticket auto assignment.',
-      options: {
-        form: [
-          {
-            display: '',
-            null: true,
-            name: 'ticket_auto_assignment',
-            tag: 'boolean',
-            options: {
-              true  => 'yes',
-              false => 'no',
-            },
-          },
-        ],
-      },
-      preferences: {
-        authentication: true,
-        permission: ['admin.ticket_auto_assignment'],
-      },
-      state: false,
-      frontend: true
-    )
-    Setting.create_if_not_exists(
-      title: 'Time Accounting Selector',
-      name: 'ticket_auto_assignment_selector',
-      area: 'Web::Base',
-      description: 'Enable auto assignment for following matching tickets.',
-      options: {
-        form: [
-          {},
-        ],
-      },
-      preferences: {
-        authentication: true,
-        permission: ['admin.ticket_auto_assignment'],
-      },
-      state: { condition: { 'ticket.state_id' => { operator: 'is', value: Ticket::State.by_category(:work_on).pluck(:id) } } },
-      frontend: true
-    )
-  end
-end