diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/context/ResourceRegistryContextClient.java b/src/main/java/org/gcube/informationsystem/resourceregistry/context/ResourceRegistryContextClient.java
index 9d38861..09dbc63 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/context/ResourceRegistryContextClient.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/context/ResourceRegistryContextClient.java
@@ -31,10 +31,10 @@ public interface ResourceRegistryContextClient {
 	
 	
 	public Context update(Context context)
-			throws ContextAlreadyPresentException, ResourceRegistryException;
+			throws ResourceRegistryException;
 
 	public String update(String context)
-			throws ContextAlreadyPresentException, ResourceRegistryException;
+			throws ResourceRegistryException;
 	
 	
 	public boolean delete(Context context)
diff --git a/src/main/java/org/gcube/informationsystem/resourceregistry/context/ResourceRegistryContextClientImpl.java b/src/main/java/org/gcube/informationsystem/resourceregistry/context/ResourceRegistryContextClientImpl.java
index 298b055..79d6288 100644
--- a/src/main/java/org/gcube/informationsystem/resourceregistry/context/ResourceRegistryContextClientImpl.java
+++ b/src/main/java/org/gcube/informationsystem/resourceregistry/context/ResourceRegistryContextClientImpl.java
@@ -142,7 +142,7 @@ public class ResourceRegistryContextClientImpl implements ResourceRegistryContex
 	}
 
 	@Override
-	public Context update(Context context) throws ContextAlreadyPresentException, ResourceRegistryException {
+	public Context update(Context context) throws ResourceRegistryException {
 		try {
 			String contextString = ISMapper.marshal(context);
 			String res = update(contextString);
@@ -157,7 +157,7 @@ public class ResourceRegistryContextClientImpl implements ResourceRegistryContex
 	}
 
 	@Override
-	public String update(String context) throws ContextAlreadyPresentException, ResourceRegistryException {
+	public String update(String context) throws ResourceRegistryException {
 		try {
 			logger.trace("Going to update: {}", context);