diff --git a/db/migrate/20150712103031_create_slugs_for_existing_conferences.rb b/db/migrate/20150712103031_create_slugs_for_existing_conferences.rb
deleted file mode 100644
index a1c4414..0000000
--- a/db/migrate/20150712103031_create_slugs_for_existing_conferences.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-class CreateSlugsForExistingConferences < ActiveRecord::Migration
-  class Conference < ActiveRecord::Base
-  end
-
-  def change
-    Globalize.with_locale(:en) do
-      Conference.find_each do |c|
-        c.slug = c.title.gsub(/\s+/, '-')
-        c.save!
-      end
-    end
-  end
-end