diff --git a/app/logical/daily_maintenance.rb b/app/logical/daily_maintenance.rb
index 9cc4a628e..670778a6a 100644
--- a/app/logical/daily_maintenance.rb
+++ b/app/logical/daily_maintenance.rb
@@ -6,4 +6,8 @@ class DailyMaintenance
     ModAction.delete_all(['created_at < ?', 3.days.ago])
     Delayed::Job.delete_all(['created_at < ?'], 1.day.ago)
   end
+  
+  def prune_ad_hits
+    AdvertisementHit.delete_all(["created_at < ?", 1.month.ago])
+  end
 end