diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/ChangeSetImpl.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/ChangeSetImpl.java
similarity index 89%
rename from webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/ChangeSetImpl.java
rename to webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/ChangeSetImpl.java
index 38460a929..1b1753cad 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/ChangeSetImpl.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/ChangeSetImpl.java
@@ -1,12 +1,15 @@
 /* $This file is distributed under the terms of the license in /doc/license.txt$ */
 
-package edu.cornell.mannlib.vitro.webapp.rdfservice;
+package edu.cornell.mannlib.vitro.webapp.rdfservice.impl;
 
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
 
+import edu.cornell.mannlib.vitro.webapp.rdfservice.ChangeSet;
+import edu.cornell.mannlib.vitro.webapp.rdfservice.ModelChange;
 import edu.cornell.mannlib.vitro.webapp.rdfservice.ModelChange.Operation;
+import edu.cornell.mannlib.vitro.webapp.rdfservice.RDFService;
 
 /*
  * Input parameter to changeSetUpdate() method in RDFService.
diff --git a/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/ModelChangeImpl.java b/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/ModelChangeImpl.java
similarity index 90%
rename from webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/ModelChangeImpl.java
rename to webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/ModelChangeImpl.java
index 85354115a..717237f64 100644
--- a/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/ModelChangeImpl.java
+++ b/webapp/src/edu/cornell/mannlib/vitro/webapp/rdfservice/impl/ModelChangeImpl.java
@@ -1,7 +1,10 @@
-package edu.cornell.mannlib.vitro.webapp.rdfservice;
+package edu.cornell.mannlib.vitro.webapp.rdfservice.impl;
 
 import java.io.InputStream;
 
+import edu.cornell.mannlib.vitro.webapp.rdfservice.ModelChange;
+import edu.cornell.mannlib.vitro.webapp.rdfservice.RDFService;
+
 /*
  * A ModelChange is one component of a ChangeSet.
  * Represents a model (collection of RDF triples), the URI