diff --git a/src/main/java/org/gcube/portlets/user/workspaceexplorerapp/server/workspace/WsUtil.java b/src/main/java/org/gcube/portlets/user/workspaceexplorerapp/server/workspace/WsUtil.java
deleted file mode 100644
index 7557aa4..0000000
--- a/src/main/java/org/gcube/portlets/user/workspaceexplorerapp/server/workspace/WsUtil.java
+++ /dev/null
@@ -1,127 +0,0 @@
-/**
- *
- */
-package org.gcube.portlets.user.workspaceexplorerapp.server.workspace;
-
-import javax.servlet.http.HttpSession;
-
-import org.gcube.common.storagehubwrapper.server.StorageHubWrapper;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-
-// TODO: Auto-generated Javadoc
-/**
- * The Class WsUtil.
- *
- * @author Francesco Mangiacrapa at ISTI-CNR Pisa (Italy)
- * Apr 9, 2020
- */
-public class WsUtil {
-
-	public static final Logger logger = LoggerFactory.getLogger(WsUtil.class);
-	public static final String ENVIRONMENT_VARIABLE_SCOPE_NAME = "EnvironmentVariableScope";
-	public static final String ENVIRONMENT_VARIABLE_TOKEN_NAME = "EnvironmentVariableAppToken";
-	public static final String SESSION_SCOPE = "session_scope";
-
-	/**
-	 * Gets the storage hub wrapper.
-	 *
-	 * @param httpSession the http session
-	 * @return the storage hub wrapper
-	 * @throws Exception the exception
-	 */
-	private static StorageHubWrapper getStorageHubWrapper(HttpSession httpSession) throws Exception {
-
-		try {
-			String scope = getScope(httpSession);
-			String applicationToken = getApplicationToken(httpSession);
-			
-			if(applicationToken==null || applicationToken.isEmpty()) {
-				String token = "9b397e7a-c683-44dc-b65b-53725b98f7e5-98187548";
-				applicationToken = token;
-				// TODO
-				logger.warn("\n\n\nALERT!!!! FALLBACK DETECTED TO INSTANCE THE SHUB\n\n");
-				logger.warn("Calling the " + StorageHubWrapper.class.getSimpleName() + 
-						" by token: " + token.substring(0, 10) +" MASKED TOKEN" + 
-						" by using the scope: " + scope);
-				logger.warn("\n\n\n HAVE TO REMOVE THIS CODE!!!\n\n\n");
-		
-			}
-			
-			return new StorageHubWrapper(scope, applicationToken, false, false, false);
-		} catch (Exception e) {
-			logger.error("Error when instancing the storageHub wrapper", e);
-			throw new Exception("Error on inizializing the StorageHub wrapper. Please contact the support!");
-		}
-	}
-	
-	/**
-	 * Gets the workpace.
-	 *
-	 * @param httpSession the http session
-	 * @return the workpace
-	 * @throws Exception the exception
-	 */
-	public static org.gcube.common.storagehubwrapper.server.tohl.Workspace getWorkspace(HttpSession httpSession) throws Exception {
-
-		try {
-			StorageHubWrapper wrapper = getStorageHubWrapper(httpSession);
-			return wrapper.getWorkspace();
-		} catch (Exception e) {
-			logger.error("Error on getting the Workspace", e);
-			throw new Exception("Error on getting the Workspace");
-		}
-	}
-
-	/**
-	 * Gets the scope.
-	 *
-	 * @param httpSession the http session
-	 * @return the scope
-	 */
-	public static String getScope(HttpSession httpSession) {
-		String scope = (String) httpSession.getAttribute(SESSION_SCOPE);
-		logger.info("Variable " + SESSION_SCOPE + " read from httpsession is: " + scope);
-
-		if (scope == null) {
-			logger.info("Variable " + SESSION_SCOPE + " is null reading from web.xml context");
-			String variableScopeName = httpSession.getServletContext()
-					.getInitParameter(ENVIRONMENT_VARIABLE_SCOPE_NAME);
-			logger.info("Found param-value '" + variableScopeName
-					+ "' from web context, reading its value from ENVIRONMENT");
-			scope = System.getenv(variableScopeName);
-			logger.info("Value of " + variableScopeName + " from ENVIRONMENT is: " + scope);
-		}
-
-		httpSession.setAttribute(ENVIRONMENT_VARIABLE_SCOPE_NAME, scope);
-		return scope;
-	}
-
-	
-	/**
-	 * Gets the application token.
-	 *
-	 * @param httpSession the http session
-	 * @return the application token
-	 */
-	public static String getApplicationToken(HttpSession httpSession) {
-
-		String appToken = null;
-		String appTokenEnvVarName = null;
-		try {
-			logger.info("Reading " + ENVIRONMENT_VARIABLE_TOKEN_NAME + " from web.xml context");
-			appTokenEnvVarName = httpSession.getServletContext()
-					.getInitParameter(ENVIRONMENT_VARIABLE_TOKEN_NAME);
-			logger.info("Found param-value '" + appTokenEnvVarName
-					+ "' from web context, reading its value from ENVIRONMENT");
-			appToken = System.getenv(appTokenEnvVarName);
-			logger.info("Value of " + appTokenEnvVarName + " from ENVIRONMENT is: " + appToken);
-		
-		}catch (Exception e) {
-			logger.error("Error on reading the ENV VARIABLE '"+appTokenEnvVarName+"' from ENVIRONMENT");
-		}
-	
-		return appToken;
-	}
-}