diff --git a/dnet-ariadneplus-graphdb-publisher/test/java/eu/dnetlib/ariadneplus/GraphDbReaderAndESIndexTest.java b/dnet-ariadneplus-graphdb-publisher/test/java/eu/dnetlib/ariadneplus/GraphDbReaderAndESIndexTest.java
index bc88a16..7559642 100644
--- a/dnet-ariadneplus-graphdb-publisher/test/java/eu/dnetlib/ariadneplus/GraphDbReaderAndESIndexTest.java
+++ b/dnet-ariadneplus-graphdb-publisher/test/java/eu/dnetlib/ariadneplus/GraphDbReaderAndESIndexTest.java
@@ -8,16 +8,11 @@ import eu.dnetlib.ariadneplus.publisher.AriadnePlusPublisherException;
 import eu.dnetlib.ariadneplus.reader.ResourceManager;
 import eu.dnetlib.ariadneplus.reader.RunSPARQLQueryService;
 import eu.dnetlib.ariadneplus.reader.json.ParseRDFJSON;
-import org.apache.commons.compress.utils.Lists;
 import org.apache.commons.io.IOUtils;
 import org.eclipse.rdf4j.RDF4JException;
 import org.eclipse.rdf4j.model.IRI;
 import org.eclipse.rdf4j.model.Resource;
 import org.eclipse.rdf4j.model.ValueFactory;
-import org.eclipse.rdf4j.query.GraphQuery;
-import org.eclipse.rdf4j.query.GraphQueryResult;
-import org.eclipse.rdf4j.query.QueryLanguage;
-import org.eclipse.rdf4j.query.QueryResults;
 import org.eclipse.rdf4j.repository.Repository;
 import org.eclipse.rdf4j.repository.RepositoryConnection;
 import org.eclipse.rdf4j.repository.RepositoryResult;
@@ -26,18 +21,13 @@ import org.eclipse.rdf4j.repository.util.Repositories;
 import org.junit.Ignore;
 import org.junit.Test;
 import org.springframework.core.io.ClassPathResource;
-
 import java.io.BufferedReader;
 import java.io.InputStreamReader;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Properties;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
+
 
 /**
  * @author enrico.ottonello
diff --git a/dnet-ariadneplus-graphdb-publisher/test/java/eu/dnetlib/ariadneplus/reader/json/ParseRDFJsonTest.java b/dnet-ariadneplus-graphdb-publisher/test/java/eu/dnetlib/ariadneplus/reader/json/ParseRDFJsonTest.java
index a61ada8..57ca45f 100644
--- a/dnet-ariadneplus-graphdb-publisher/test/java/eu/dnetlib/ariadneplus/reader/json/ParseRDFJsonTest.java
+++ b/dnet-ariadneplus-graphdb-publisher/test/java/eu/dnetlib/ariadneplus/reader/json/ParseRDFJsonTest.java
@@ -2,12 +2,10 @@ package eu.dnetlib.ariadneplus.reader.json;
 
 import eu.dnetlib.ariadneplus.elasticsearch.model.AriadnePlusEntry;
 import eu.dnetlib.ariadneplus.reader.ResourceManager;
-import eu.dnetlib.ariadneplus.reader.utils.PropertiesMap;
 import net.minidev.json.parser.ParseException;
 import org.apache.commons.io.IOUtils;
 import org.junit.Assert;
 import org.junit.Before;
-import org.junit.BeforeClass;
 import org.junit.Test;
 import org.springframework.core.io.ClassPathResource;
 
@@ -104,7 +102,7 @@ public class ParseRDFJsonTest {
         Assert.assertNotEquals(-1, res);
         mng.manage(parser);
         if(mng.hasNext())
-        System.out.println(mng.next());
+            System.out.println(mng.next());
     }
 
     @Test