diff --git a/backend/src/main/java/ch/puzzle/okr/service/persistence/KeyResultPersistenceService.java b/backend/src/main/java/ch/puzzle/okr/service/persistence/KeyResultPersistenceService.java
index 392ef8266e..08a70384eb 100644
--- a/backend/src/main/java/ch/puzzle/okr/service/persistence/KeyResultPersistenceService.java
+++ b/backend/src/main/java/ch/puzzle/okr/service/persistence/KeyResultPersistenceService.java
@@ -13,7 +13,6 @@
 
 @Service
 public class KeyResultPersistenceService extends PersistenceBase<KeyResult, Long, KeyResultRepository> {
-    private static final Logger logger = LoggerFactory.getLogger(KeyResultPersistenceService.class);
 
     protected KeyResultPersistenceService(KeyResultRepository repository) {
         super(repository);