1 files changed, 0 insertions, 40 deletions
diff --git a/db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb b/db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb
deleted file mode 100644
index c4ba3ec2cc0..00000000000
--- a/db/migrate/20170622130029_correct_protected_branches_foreign_keys.rb
+++ /dev/null
@@ -1,40 +0,0 @@
-# See http://doc.gitlab.com/ce/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
-class CorrectProtectedBranchesForeignKeys < ActiveRecord::Migration[4.2]
-  include Gitlab::Database::MigrationHelpers
-
-  # Set this constant to true if this migration requires downtime.
-  DOWNTIME = false
-
-  disable_ddl_transaction!
-
-  def up
-    remove_foreign_key_without_error(:protected_branch_push_access_levels,
-                                     column: :protected_branch_id)
-
-    execute <<-EOF
-    DELETE FROM protected_branch_push_access_levels
-    WHERE NOT EXISTS (
-      SELECT true
-      FROM protected_branches
-      WHERE protected_branch_push_access_levels.protected_branch_id = protected_branches.id
-    )
-    AND protected_branch_id IS NOT NULL
-    EOF
-
-    add_concurrent_foreign_key(:protected_branch_push_access_levels,
-                               :protected_branches,
-                               column: :protected_branch_id)
-  end
-
-  def down
-    # Previously there was a foreign key without a CASCADING DELETE, so we'll
-    # just leave the foreign key in place.
-  end
-
-  def remove_foreign_key_without_error(*args)
-    remove_foreign_key(*args)
-  rescue ArgumentError
-  end
-end