diff --git a/src/main/java/org/gcube/portal/custom/scopemanager/scopehelper/ScopeHelper.java b/src/main/java/org/gcube/portal/custom/scopemanager/scopehelper/ScopeHelper.java
index e209f14..7a69ad9 100644
--- a/src/main/java/org/gcube/portal/custom/scopemanager/scopehelper/ScopeHelper.java
+++ b/src/main/java/org/gcube/portal/custom/scopemanager/scopehelper/ScopeHelper.java
@@ -28,10 +28,6 @@ import com.liferay.portal.model.Group;
 import com.liferay.portal.model.Organization;
 import com.liferay.portal.model.Role;
 import com.liferay.portal.model.User;
-import com.liferay.portal.security.auth.PrincipalThreadLocal;
-import com.liferay.portal.security.permission.PermissionChecker;
-import com.liferay.portal.security.permission.PermissionCheckerFactoryUtil;
-import com.liferay.portal.security.permission.PermissionThreadLocal;
 import com.liferay.portal.service.GroupLocalServiceUtil;
 import com.liferay.portal.service.OrganizationLocalServiceUtil;
 import com.liferay.portal.service.RoleLocalServiceUtil;