diff --git a/s3/src/main/java/ch/cyberduck/core/s3/S3Session.java b/s3/src/main/java/ch/cyberduck/core/s3/S3Session.java
index 18afce5c458..d9aa7c4eda5 100644
--- a/s3/src/main/java/ch/cyberduck/core/s3/S3Session.java
+++ b/s3/src/main/java/ch/cyberduck/core/s3/S3Session.java
@@ -194,10 +194,11 @@ protected RequestEntityRestStorageService connect(final Proxy proxy, final HostK
                     .withRedirectUri(host.getProtocol().getOAuthRedirectUrl())
                     .withFlowType(OAuth2AuthorizationService.FlowType.valueOf(host.getProtocol().getAuthorization()));
             configuration.addInterceptorLast(oauth);
-            final STSAssumeRoleCredentialsRequestInterceptor sts = new STSAssumeRoleCredentialsRequestInterceptor(oauth, this, trust, key, prompt, cancel);
-            configuration.addInterceptorLast(sts);
-            configuration.setServiceUnavailableRetryStrategy(new S3AuthenticationResponseInterceptor(this, sts));
-            authentication = sts;
+            final STSAssumeRoleCredentialsRequestInterceptor interceptor
+                    = new STSAssumeRoleCredentialsRequestInterceptor(oauth, this, trust, key, prompt);
+            configuration.addInterceptorLast(interceptor);
+            configuration.setServiceUnavailableRetryStrategy(new S3AuthenticationResponseInterceptor(this, interceptor));
+            authentication = interceptor;
         }
         else {
             if(S3Session.isAwsHostname(host.getHostname())) {
diff --git a/s3/src/main/java/ch/cyberduck/core/sts/STSAssumeRoleCredentialsRequestInterceptor.java b/s3/src/main/java/ch/cyberduck/core/sts/STSAssumeRoleCredentialsRequestInterceptor.java
index 77095eeebfa..4883e3a124d 100644
--- a/s3/src/main/java/ch/cyberduck/core/sts/STSAssumeRoleCredentialsRequestInterceptor.java
+++ b/s3/src/main/java/ch/cyberduck/core/sts/STSAssumeRoleCredentialsRequestInterceptor.java
@@ -16,7 +16,6 @@
  */
 
 import ch.cyberduck.core.Credentials;
-import ch.cyberduck.core.Host;
 import ch.cyberduck.core.HostPasswordStore;
 import ch.cyberduck.core.LoginCallback;
 import ch.cyberduck.core.OAuthTokens;
@@ -29,7 +28,6 @@
 import ch.cyberduck.core.s3.S3Session;
 import ch.cyberduck.core.ssl.X509KeyManager;
 import ch.cyberduck.core.ssl.X509TrustManager;
-import ch.cyberduck.core.threading.CancelCallback;
 
 import org.apache.http.HttpException;
 import org.apache.http.HttpRequest;
@@ -61,17 +59,13 @@ public class STSAssumeRoleCredentialsRequestInterceptor extends STSAssumeRoleAut
      */
     private final OAuth2RequestInterceptor oauth;
     private final S3Session session;
-    private final Host host;
-    private final CancelCallback cancel;
 
     public STSAssumeRoleCredentialsRequestInterceptor(final OAuth2RequestInterceptor oauth, final S3Session session,
                                                       final X509TrustManager trust, final X509KeyManager key,
-                                                      final LoginCallback prompt, final CancelCallback cancel) {
+                                                      final LoginCallback prompt) {
         super(session.getHost(), trust, key, prompt);
         this.oauth = oauth;
         this.session = session;
-        this.host = session.getHost();
-        this.cancel = cancel;
     }
 
     public TemporaryAccessTokens refresh(final OAuthTokens oidc) throws BackgroundException {