diff --git a/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/SparkXmlRecordBuilderJob.java b/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/SparkXmlRecordBuilderJob.java
index a84cda53a6..0a898c0fcc 100644
--- a/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/SparkXmlRecordBuilderJob.java
+++ b/dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/oa/provision/SparkXmlRecordBuilderJob.java
@@ -29,14 +29,9 @@ public class SparkXmlRecordBuilderJob {
             final String otherDsTypeId = parser.get("otherDsTypeId");
 
             final FileSystem fs = FileSystem.get(spark.sparkContext().hadoopConfiguration());
-            if (fs.exists(new Path(outputPath))) {
-                fs.delete(new Path(outputPath), true);
-                fs.mkdirs(new Path(outputPath));
-            }
 
             new GraphJoiner(spark, ContextMapper.fromIS(isLookupUrl), otherDsTypeId, inputPath, outputPath)
                     .adjacencyLists();
-                    //.asXML();
         }
     }
 
diff --git a/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml b/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
index 2eeab29065..a28174cce2 100644
--- a/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
+++ b/dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/oa/provision/oozie_app/workflow.xml
@@ -58,6 +58,10 @@
 
     <action name="adjancency_lists">
         <spark xmlns="uri:oozie:spark-action:0.2">
+            <prepare>
+                <delete path="${outputPath}"/>
+                <mkdir path="${outputPath}"/>
+            </prepare>
             <master>yarn</master>
             <mode>cluster</mode>
             <name>build_adjacency_lists</name>