diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/er/ERManagement.java b/src/main/java/org/gcube/informationsystem/resourceregistry/er/ERManagement.java
index 0d41206..cc47c82 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/er/ERManagement.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/er/ERManagement.java
@@ -23,6 +23,7 @@ import org.gcube.informationsystem.model.AccessType;
 import org.gcube.informationsystem.model.ER;
 import org.gcube.informationsystem.model.ISManageable;
 import org.gcube.informationsystem.model.embedded.Header;
+import org.gcube.informationsystem.model.entity.Context;
 import org.gcube.informationsystem.model.entity.Entity;
 import org.gcube.informationsystem.model.entity.Facet;
 import org.gcube.informationsystem.model.entity.Resource;
@@ -79,8 +80,6 @@ import com.tinkerpop.blueprints.impls.orient.OrientElement;
 import com.tinkerpop.blueprints.impls.orient.OrientGraph;
 import com.tinkerpop.blueprints.util.StringFactory;
 
-import ch.qos.logback.core.Context;
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */