diff --git a/db/migrate/20140717110124_delete_events_without_user.rb b/db/migrate/20140717110124_delete_events_without_user.rb
deleted file mode 100644
index c4435af2..00000000
--- a/db/migrate/20140717110124_delete_events_without_user.rb
+++ /dev/null
@@ -1,36 +0,0 @@
-class DeleteEventsWithoutUser < ActiveRecord::Migration
-  class TempEvent < ActiveRecord::Base
-    self.table_name = 'events'
-  end
-
-  class TempUser < ActiveRecord::Base
-    self.table_name = 'users'
-  end
-
-  class TempEventUser < ActiveRecord::Base
-    self.table_name = 'event_users'
-    attr_accessible :event_id, :user_id, :event_role
-  end
-
-  def up
-    TempEvent.all.each do |event|
-      if TempEventUser.where(event_id: event).blank?
-        # Create dummy user
-        unless (user = User.find_by(email: 'deleted@localhost.osem'))
-          user = User.new(email: 'deleted@localhost.osem', name: 'User deleted',
-                              biography: 'Data is no longer available for deleted user.',
-                              password: Devise.friendly_token[0, 20])
-          user.skip_confirmation!
-          user.save!
-        end
-
-        TempEventUser.create!(event_id: event.id, user_id: user.id, event_role: 'submitter')
-        TempEventUser.create!(event_id: event.id, user_id: user.id, event_role: 'speaker')
-      end
-    end
-  end
-
-  def down
-    raise ActiveRecord::IrreversibleMigration.new('Cannot reverse migration. Events deleted cannot be re-created')
-  end
-end