diff --git a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
index 04a5ef38d..3067d8639 100644
--- a/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
+++ b/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/clean/CleanGraphSparkJob.java
@@ -103,15 +103,9 @@ public class CleanGraphSparkJob {
 		return spark
 			.read()
 			.textFile(inputEntityPath)
-			.filter((FilterFunction<String>) s -> isEntityType(s, clazz))
-			.map((MapFunction<String, String>) s -> StringUtils.substringAfter(s, "|"), Encoders.STRING())
 			.map(
 				(MapFunction<String, T>) value -> OBJECT_MAPPER.readValue(value, clazz),
 				Encoders.bean(clazz));
 	}
 
-	private static <T extends Oaf> boolean isEntityType(final String s, final Class<T> clazz) {
-		return StringUtils.substringBefore(s, "|").equals(clazz.getName());
-	}
-
 }