1 files changed, 0 insertions, 48 deletions
diff --git a/db/post_migrate/20190606163724_migrate_legacy_managed_clusters_to_unmanaged.rb b/db/post_migrate/20190606163724_migrate_legacy_managed_clusters_to_unmanaged.rb
deleted file mode 100644
index 759ab939f7d..00000000000
--- a/db/post_migrate/20190606163724_migrate_legacy_managed_clusters_to_unmanaged.rb
+++ /dev/null
@@ -1,48 +0,0 @@
-# frozen_string_literal: true
-
-# See http://doc.gitlab.com/ce/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
-class MigrateLegacyManagedClustersToUnmanaged < ActiveRecord::Migration[5.1]
-  include Gitlab::Database::MigrationHelpers
-
-  DOWNTIME = false
-
-  disable_ddl_transaction!
-
-  class Cluster < ActiveRecord::Base
-    include EachBatch
-
-    self.table_name = 'clusters'
-
-    has_many :kubernetes_namespaces, class_name: 'MigrateLegacyManagedClustersToUnmanaged::KubernetesNamespace'
-
-    scope :managed, -> { where(managed: true) }
-
-    enum cluster_type: {
-      instance_type: 1,
-      group_type: 2,
-      project_type: 3
-    }
-  end
-
-  class KubernetesNamespace < ActiveRecord::Base
-    self.table_name = 'clusters_kubernetes_namespaces'
-
-    belongs_to :cluster, class_name: 'MigrateLegacyManagedClustersToUnmanaged::Cluster'
-  end
-
-  def up
-    Cluster.managed
-      .project_type
-      .left_joins(:kubernetes_namespaces)
-      .where(clusters_kubernetes_namespaces: { cluster_id: nil })
-      .where('clusters.created_at < ?', 5.minutes.ago)
-      .each_batch do |batch|
-        batch.update_all(managed: false)
-      end
-  end
-
-  def down
-  end
-end