1 files changed, 0 insertions, 63 deletions
diff --git a/lib/gitlab/metrics/dashboard/cache.rb b/lib/gitlab/metrics/dashboard/cache.rb
deleted file mode 100644
index 54b5250d209..00000000000
--- a/lib/gitlab/metrics/dashboard/cache.rb
+++ /dev/null
@@ -1,63 +0,0 @@
-# frozen_string_literal: true
-
-require 'set'
-
-module Gitlab
-  module Metrics
-    module Dashboard
-      class Cache
-        CACHE_KEYS = 'all_cached_metric_dashboards'
-
-        class << self
-          # This class method (Gitlab::Metrics::Dashboard::Cache.fetch) can be used
-          # when the key does not need to be deleted by `delete_all!`.
-          # For example, out of the box dashboard caches do not need to be deleted.
-          delegate :fetch, to: :"Rails.cache"
-
-          alias_method :for, :new
-        end
-
-        def initialize(project)
-          @project = project
-        end
-
-        # Stores a dashboard in the cache, documenting the key
-        # so the cache can be cleared in bulk at another time.
-        def fetch(key)
-          register_key(key)
-
-          Rails.cache.fetch(key) { yield }
-        end
-
-        # Resets all dashboard caches, such that all
-        # dashboard content will be loaded from source on
-        # subsequent dashboard calls.
-        def delete_all!
-          all_keys.each { |key| Rails.cache.delete(key) }
-
-          Rails.cache.delete(catalog_key)
-        end
-
-        private
-
-        def register_key(key)
-          new_keys = all_keys.add(key).to_a.join('|')
-
-          Rails.cache.write(catalog_key, new_keys)
-        end
-
-        def all_keys
-          keys = Rails.cache.read(catalog_key)&.split('|')
-          Set.new(keys)
-        end
-
-        # One key to store them all...
-        # This key is used to store the names of all the keys that contain this
-        # project's dashboards.
-        def catalog_key
-          "#{CACHE_KEYS}_#{@project.id}"
-        end
-      end
-    end
-  end
-end