diff --git a/app/services/projects/count_service.rb b/app/services/projects/count_service.rb
index 7e575b2d6f3..42ebb38f676 100644
--- a/app/services/projects/count_service.rb
+++ b/app/services/projects/count_service.rb
@@ -11,6 +11,10 @@ module Projects
       @project = project
     end
 
+    def relation_for_count
+      self.class.query(@project.id)
+    end
+
     def cache_key_name
       raise(
         NotImplementedError,
diff --git a/app/services/projects/forks_count_service.rb b/app/services/projects/forks_count_service.rb
index 95ce655b157..dc6eb19affd 100644
--- a/app/services/projects/forks_count_service.rb
+++ b/app/services/projects/forks_count_service.rb
@@ -1,10 +1,6 @@
 module Projects
   # Service class for getting and caching the number of forks of a project.
   class ForksCountService < Projects::CountService
-    def relation_for_count
-      self.class.query(@project.id)
-    end
-
     def cache_key_name
       'forks_count'
     end
diff --git a/app/services/projects/open_issues_count_service.rb b/app/services/projects/open_issues_count_service.rb
index ab1c477936a..a975a06a05c 100644
--- a/app/services/projects/open_issues_count_service.rb
+++ b/app/services/projects/open_issues_count_service.rb
@@ -2,10 +2,6 @@ module Projects
   # Service class for counting and caching the number of open issues of a
   # project.
   class OpenIssuesCountService < Projects::CountService
-    def relation_for_count
-      self.class.query(@project.id)
-    end
-
     def cache_key_name
       'open_issues_count'
     end