1 files changed, 0 insertions, 74 deletions
diff --git a/lib/gitlab/background_migration/user_mentions/models/concerns/namespace/recursive_traversal.rb b/lib/gitlab/background_migration/user_mentions/models/concerns/namespace/recursive_traversal.rb
deleted file mode 100644
index 75759ed0111..00000000000
--- a/lib/gitlab/background_migration/user_mentions/models/concerns/namespace/recursive_traversal.rb
+++ /dev/null
@@ -1,74 +0,0 @@
-# frozen_string_literal: true
-
-module Gitlab
-  module BackgroundMigration
-    module UserMentions
-      module Models
-        module Concerns
-          module Namespace
-            # isolate recursive traversal code for namespace hierarchy
-            module RecursiveTraversal
-              extend ActiveSupport::Concern
-
-              def root_ancestor
-                return self if persisted? && parent_id.nil?
-
-                strong_memoize(:root_ancestor) do
-                  Gitlab::ObjectHierarchy
-                    .new(self.class.where(id: id))
-                    .base_and_ancestors
-                    .reorder(nil)
-                    .find_by(parent_id: nil)
-                end
-              end
-
-              # Returns all ancestors, self, and descendants of the current namespace.
-              def self_and_hierarchy
-                Gitlab::ObjectHierarchy
-                  .new(self.class.where(id: id))
-                  .all_objects
-              end
-
-              # Returns all the ancestors of the current namespaces.
-              def ancestors
-                return self.class.none unless parent_id
-
-                Gitlab::ObjectHierarchy
-                  .new(self.class.where(id: parent_id))
-                  .base_and_ancestors
-              end
-
-              # returns all ancestors upto but excluding the given namespace
-              # when no namespace is given, all ancestors upto the top are returned
-              def ancestors_upto(top = nil, hierarchy_order: nil)
-                Gitlab::ObjectHierarchy.new(self.class.where(id: id))
-                  .ancestors(upto: top, hierarchy_order: hierarchy_order)
-              end
-
-              def self_and_ancestors(hierarchy_order: nil)
-                return self.class.where(id: id) unless parent_id
-
-                Gitlab::ObjectHierarchy
-                  .new(self.class.where(id: id))
-                  .base_and_ancestors(hierarchy_order: hierarchy_order)
-              end
-
-              # Returns all the descendants of the current namespace.
-              def descendants
-                Gitlab::ObjectHierarchy
-                  .new(self.class.where(parent_id: id))
-                  .base_and_descendants
-              end
-
-              def self_and_descendants
-                Gitlab::ObjectHierarchy
-                  .new(self.class.where(id: id))
-                  .base_and_descendants
-              end
-            end
-          end
-        end
-      end
-    end
-  end
-end