diff --git a/hawkbit-core/src/main/java/org/eclipse/hawkbit/exception/SpServerError.java b/hawkbit-core/src/main/java/org/eclipse/hawkbit/exception/SpServerError.java
index 82044ff54..29ab123e5 100644
--- a/hawkbit-core/src/main/java/org/eclipse/hawkbit/exception/SpServerError.java
+++ b/hawkbit-core/src/main/java/org/eclipse/hawkbit/exception/SpServerError.java
@@ -21,10 +21,6 @@ public enum SpServerError {
     *
     */
     SP_REPO_ENTITY_ALRREADY_EXISTS("hawkbit.server.error.repo.entitiyAlreayExists", "The given entity already exists in database"),
-    /**
-    *
-    */
-    SP_REPO_CONSTRAINT_VIOLATION("hawkbit.server.error.repo.constraintViolation", "The given entity violates a constraint"),
     /**
      * 
      */