diff --git a/spring-registry-commons/src/main/java/org/apache/archiva/redback/components/registry/commons/ConfigurationListenerDelegate.java b/spring-registry-commons/src/main/java/org/apache/archiva/redback/components/registry/commons/ConfigurationListenerDelegate.java
index e82fee3..d50c72d 100644
--- a/spring-registry-commons/src/main/java/org/apache/archiva/redback/components/registry/commons/ConfigurationListenerDelegate.java
+++ b/spring-registry-commons/src/main/java/org/apache/archiva/redback/components/registry/commons/ConfigurationListenerDelegate.java
@@ -62,6 +62,7 @@
         }
     }
 
+    // needed to be sure elements are properly removed from the listeners list
     @Override
     public int hashCode()
     {