diff --git a/src/main/java/eu/europa/ec/dgc/gateway/connector/DgcGatewayRevocationListUploadConnector.java b/src/main/java/eu/europa/ec/dgc/gateway/connector/DgcGatewayRevocationListUploadConnector.java
index 8684db0..bafd766 100644
--- a/src/main/java/eu/europa/ec/dgc/gateway/connector/DgcGatewayRevocationListUploadConnector.java
+++ b/src/main/java/eu/europa/ec/dgc/gateway/connector/DgcGatewayRevocationListUploadConnector.java
@@ -147,7 +147,6 @@ public void deleteRevocationBatch(String batchId) throws DgcRevocationBatchUploa
 
         RevocationBatchDeleteRequestDto deleteRequest = new RevocationBatchDeleteRequestDto();
         deleteRequest.setBatchId(batchId);
-        ObjectMapper mapper = new ObjectMapper();
         String jsonString = mapper.writeValueAsString(deleteRequest);
 
         String payload = new SignedStringMessageBuilder().withPayload(jsonString)