diff --git a/bibliome/src/main/java/org/bibliome/alvisnlp/modules/rdf/RDFExport.java b/bibliome/src/main/java/org/bibliome/alvisnlp/modules/rdf/RDFExport.java
index 015d1fc9..525d28cf 100644
--- a/bibliome/src/main/java/org/bibliome/alvisnlp/modules/rdf/RDFExport.java
+++ b/bibliome/src/main/java/org/bibliome/alvisnlp/modules/rdf/RDFExport.java
@@ -30,7 +30,6 @@
 import org.apache.jena.riot.RDFDataMgr;
 import org.apache.jena.riot.RDFFormat;
 import org.apache.jena.shared.PrefixMapping;
-import org.apache.log4j.BasicConfigurator;
 import org.bibliome.alvisnlp.MiscUtils;
 import org.bibliome.alvisnlp.modules.CorpusModule;
 import org.bibliome.alvisnlp.modules.ResolvedObjects;
diff --git a/bibliome/src/main/java/org/bibliome/alvisnlp/modules/rdf/RDFProjector.java b/bibliome/src/main/java/org/bibliome/alvisnlp/modules/rdf/RDFProjector.java
index 223e1da3..407a1002 100644
--- a/bibliome/src/main/java/org/bibliome/alvisnlp/modules/rdf/RDFProjector.java
+++ b/bibliome/src/main/java/org/bibliome/alvisnlp/modules/rdf/RDFProjector.java
@@ -3,7 +3,6 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Map;
-import java.util.Properties;
 import java.util.logging.Logger;
 
 import org.apache.jena.rdf.model.Literal;
@@ -15,7 +14,6 @@
 import org.apache.jena.riot.Lang;
 import org.apache.jena.riot.RDFDataMgr;
 import org.apache.jena.shared.PrefixMapping;
-import org.apache.log4j.PropertyConfigurator;
 import org.bibliome.alvisnlp.MiscUtils;
 import org.bibliome.alvisnlp.modules.SectionModule.SectionResolvedObjects;
 import org.bibliome.alvisnlp.modules.trie.TrieProjector;