diff -r 6105ee2cceaf -r 947d0f6a6a83 src/main/java/de/uapcore/lightpit/dao/UserDao.java
--- a/src/main/java/de/uapcore/lightpit/dao/UserDao.java	Thu Oct 15 12:27:05 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/dao/UserDao.java	Thu Oct 15 13:31:52 2020 +0200
@@ -31,12 +31,9 @@
 import de.uapcore.lightpit.entities.User;
 
 import java.sql.SQLException;
-import java.util.List;
 import java.util.Optional;
 
-public interface UserDao extends GenericDao<User> {
-
-    List<User> list() throws SQLException;
+public interface UserDao extends RootEntityDao<User> {
 
     /**
      * Tries to find a user by their username.