diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5458cd199..4b0ef55ef 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Changelog Fab-manager
 
 - Fix a bug: notification is broken when delete a project
+- [TODO DEPLOY] `rails fablab:maintenance:clean_abuse_notifications`
 
 ## v6.0.3 2023 April 12
 
diff --git a/lib/tasks/fablab/maintenance.rake b/lib/tasks/fablab/maintenance.rake
index 23a6dc4f7..3402555fa 100644
--- a/lib/tasks/fablab/maintenance.rake
+++ b/lib/tasks/fablab/maintenance.rake
@@ -155,5 +155,12 @@ namespace :fablab do
       end_date = args.end == 'today' ? Time.current.end_of_day : start_date.next_month
       [start_date, end_date]
     end
+
+    desc 'Clean the abuse notifications if signaled object is null'
+    task clean_abuse_notifications: :environment do
+      Abuse.all.each do |abuse|
+        abuse.destroy if abuse.signaled.nil?
+      end
+    end
   end
 end