diff --git a/src/main/java/de/thm/arsnova/dao/CouchDBDao.java b/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
index 1e1b71a395ad5a412d0e1da1d05984a401755f31..8cc9a265deb303a2a179275af7ce9e590ed6e411 100644
--- a/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
+++ b/src/main/java/de/thm/arsnova/dao/CouchDBDao.java
@@ -53,8 +53,6 @@ import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.context.ApplicationEventPublisherAware;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Component;
-import org.springframework.transaction.annotation.Isolation;
-import org.springframework.transaction.annotation.Transactional;
 
 import java.io.IOException;
 import java.util.*;