diff --git a/pom.xml b/pom.xml
index 6e53060..ab58c94 100644
--- a/pom.xml
+++ b/pom.xml
@@ -70,11 +70,6 @@
 			<artifactId>custom-portal-handler</artifactId>
 			<scope>provided</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.gcube.common.portal</groupId>
-			<artifactId>portal-manager</artifactId>
-			<scope>provided</scope>
-		</dependency>
 		<dependency>
 			<groupId>org.gcube.core</groupId>
 			<artifactId>common-scope-maps</artifactId>
diff --git a/src/main/java/org/gcube/portlets/user/rstudio_wrapper_portlet/server/RStudioServiceImpl.java b/src/main/java/org/gcube/portlets/user/rstudio_wrapper_portlet/server/RStudioServiceImpl.java
index f785144..0e814f8 100644
--- a/src/main/java/org/gcube/portlets/user/rstudio_wrapper_portlet/server/RStudioServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/rstudio_wrapper_portlet/server/RStudioServiceImpl.java
@@ -1,15 +1,14 @@
 package org.gcube.portlets.user.rstudio_wrapper_portlet.server;
 
-import java.net.MalformedURLException;
-import java.util.ArrayList;
+import static org.gcube.data.analysis.rconnector.client.Constants.rConnector;
+import static org.gcube.resources.discovery.icclient.ICFactory.clientFor;
+import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
+
 import java.util.List;
 
 import org.gcube.application.framework.core.session.ASLSession;
 import org.gcube.application.framework.core.session.SessionManager;
-import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
-import org.gcube.common.portal.PortalContext;
 import org.gcube.common.resources.gcore.ServiceEndpoint;
-import org.gcube.common.resources.gcore.ServiceEndpoint.AccessPoint;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.portal.custom.scopemanager.scopehelper.ScopeHelper;
 import org.gcube.portlets.user.rstudio_wrapper_portlet.client.RStudioService;
@@ -18,11 +17,6 @@ import org.gcube.resources.discovery.client.queries.api.SimpleQuery;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import static org.gcube.common.authorization.client.Constants.authorizationService;
-import static org.gcube.data.analysis.rconnector.client.Constants.rConnector;
-import static org.gcube.resources.discovery.icclient.ICFactory.clientFor;
-import static org.gcube.resources.discovery.icclient.ICFactory.queryFor;
-
 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
 
 /**