diff --git a/src/main/java/org/caosdb/server/grpc/EntityTransactionServiceImpl.java b/src/main/java/org/caosdb/server/grpc/EntityTransactionServiceImpl.java
index 0b5dd7e102e3b6f374ccfe28ddde2c73dbdd5cfb..10d2b01ed38c02c6d30d9d52e9b336a5797d2f82 100644
--- a/src/main/java/org/caosdb/server/grpc/EntityTransactionServiceImpl.java
+++ b/src/main/java/org/caosdb/server/grpc/EntityTransactionServiceImpl.java
@@ -7,8 +7,6 @@ import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.UUID;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
 import org.apache.shiro.SecurityUtils;
 import org.caosdb.api.entity.v1alpha1.AtomicDataType;
 import org.caosdb.api.entity.v1alpha1.CollectionValues;