diff --git a/db/migrate/20181112103239_drop_default_value_on_status_deployments.rb b/db/migrate/20181112103239_drop_default_value_on_status_deployments.rb
index 280eeda4a5f20ee5e618014abac4993dd27aa881..a480c15e66b8778e90ef8cdb4e71fa6cc0349d29 100644
--- a/db/migrate/20181112103239_drop_default_value_on_status_deployments.rb
+++ b/db/migrate/20181112103239_drop_default_value_on_status_deployments.rb
@@ -1,13 +1,9 @@
 # frozen_string_literal: true
 
 class DropDefaultValueOnStatusDeployments < ActiveRecord::Migration
-  include Gitlab::Database::MigrationHelpers
-
   DOWNTIME = false
   DEPLOYMENT_STATUS_SUCCESS = 2 # Equivalent to Deployment.state_machine.states['success'].value
 
-  disable_ddl_transaction!
-
   def up
     change_column_default :deployments, :status, nil
   end