diff --git a/pom.xml b/pom.xml
index 8813174..230fae0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,7 +67,6 @@
 		<dependency>
 			<groupId>org.gcube.common</groupId>
 			<artifactId>authorization-utils</artifactId>
-			<version>[1.0.0,2.0.0-SNAPSHOT)</version>
 		</dependency>
 		<dependency>
 			<groupId>org.gcube.information-system</groupId>
@@ -157,23 +156,19 @@
 			<version>1.8</version>
 		</dependency>
 		
-<!-- Used to automatically convert XML to JSON -->
-<!-- 		<dependency> -->
-<!-- 			<groupId>org.json</groupId> -->
-<!-- 			<artifactId>json</artifactId> -->
-<!-- 			<version>20140107</version> -->
-<!-- 		</dependency> -->
-
 		<dependency>
 			<groupId>org.gcube.data-publishing</groupId>
 			<artifactId>storagehub-application-persistence</artifactId>
 			<version>[3.0.0,4.0.0-SNAPSHOT)</version>
 		</dependency>
+
+		<!-- Used to automatically convert XML to JSON -->
 		<dependency>
 			<groupId>org.json</groupId>
 			<artifactId>json</artifactId>
 			<version>20211205</version>
 		</dependency>
+
 		<dependency>
 			<groupId>org.apache.tika</groupId>
 		    <artifactId>tika-core</artifactId>
diff --git a/src/main/java/org/gcube/gcat/persistence/ckan/CKANUserCache.java b/src/main/java/org/gcube/gcat/persistence/ckan/CKANUserCache.java
index 9ff1f8c..34e610d 100644
--- a/src/main/java/org/gcube/gcat/persistence/ckan/CKANUserCache.java
+++ b/src/main/java/org/gcube/gcat/persistence/ckan/CKANUserCache.java
@@ -37,14 +37,15 @@ public abstract class CKANUserCache {
 	}
 	
 	public static CKANUser getCurrrentCKANUser() {
-		String context = SecretManager.instance.get().getContext();
+		SecretManager secretManager = SecretManager.instance.get();
+		String context = secretManager.getContext();
 		Cache<String,CKANUser> userCache = userCachePerContext.get(context);
 		if(userCache == null) {
 			userCache = cacheManager.createCache(context, userCacheConfiguration);
 			userCachePerContext.put(context, userCache);
 		}
 		
-		String gcubeUsername = SecretManager.instance.get().getUser().getUsername();
+		String gcubeUsername = secretManager.getUser().getUsername();
 		CKANUser ckanUser = userCache.get(gcubeUsername);
 		if(ckanUser == null) {
 			ckanUser = new CKANUser();
diff --git a/src/main/java/org/gcube/gcat/rest/RequestFilter.java b/src/main/java/org/gcube/gcat/rest/RequestFilter.java
deleted file mode 100644
index 16a47a2..0000000
--- a/src/main/java/org/gcube/gcat/rest/RequestFilter.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package org.gcube.gcat.rest;
-
-import java.io.IOException;
-
-import javax.ws.rs.container.ContainerRequestContext;
-import javax.ws.rs.container.ContainerRequestFilter;
-import javax.ws.rs.container.ContainerResponseContext;
-import javax.ws.rs.container.ContainerResponseFilter;
-import javax.ws.rs.container.PreMatching;
-import javax.ws.rs.ext.Provider;
-
-import org.gcube.common.authorization.utils.manager.SecretManager;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-@Provider
-@PreMatching
-public class RequestFilter implements ContainerRequestFilter, ContainerResponseFilter {
-	
-	private final static Logger logger = LoggerFactory.getLogger(RequestFilter.class);
-	
-	@Override
-	public void filter(ContainerRequestContext requestContext) throws IOException {
-		logger.trace("PreMatching RequestFilter");
-		SecretManager.instance.remove();
-		SecretManager.instance.get();
-	}
-
-	@Override
-	public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext)
-			throws IOException {
-		logger.trace("ResponseFilter");
-		SecretManager.instance.remove();
-	}
-
-}