diff --git a/application/Espo/Core/Record/Service.php b/application/Espo/Core/Record/Service.php
index f6d59c9a9e..fc72edcab1 100644
--- a/application/Espo/Core/Record/Service.php
+++ b/application/Espo/Core/Record/Service.php
@@ -119,8 +119,6 @@ class Service implements Crud,
     use Di\SelectBuilderFactorySetter;
     use Di\AssignmentCheckerManagerSetter;
 
-    private const ATTRIBUTE_VERSION_NUMBER = Field::VERSION_NUMBER;
-
     protected string $entityType;
     protected bool $getEntityBeforeUpdate = false;