diff --git a/src/main/java/eu/eudat/file/transformer/interfaces/FileTransformerClient.java b/src/main/java/eu/eudat/file/transformer/interfaces/FileTransformerClient.java
index 0806359..5e01da1 100644
--- a/src/main/java/eu/eudat/file/transformer/interfaces/FileTransformerClient.java
+++ b/src/main/java/eu/eudat/file/transformer/interfaces/FileTransformerClient.java
@@ -22,7 +22,7 @@ public interface FileTransformerClient {
      * @return a string representing the persistent digital object identifier (DOI)
      * @throws Exception if an error occurs while trying to deposit the dmp
      */
-    FileEnvelope exportDmp(DmpFileTransformerModel dmp, String format) throws InvalidApplicationException, IOException;
+    FileEnvelope exportDmp(DmpFileTransformerModel dmp) throws InvalidApplicationException, IOException;
     DmpFileTransformerModel importDmp(FileEnvelope file);
 
     FileEnvelope exportDescription(DescriptionFileTransformerModel descriptionFileTransformerModel, String format) throws InvalidApplicationException, IOException;