diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0d7e94a35f3f37a2c92a8d0c17e278b59389dbcd..c2c0f681f4312a1b075a1f1ae68ca1bbca5ddc60 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -22,7 +22,6 @@
 # ** end header
 #
 
-# TODO set DEPLOY_REF to dev after merge of f-feature-branch-pipeline
 variables:
   DEPLOY_REF: f-feature-branch-pipeline
   CI_REGISTRY_IMAGE: $CI_REGISTRY/caosdb/caosdb-server/caosdb-server-testenv:latest
diff --git a/src/main/java/caosdb/server/database/backend/implementation/MySQL/MySQLRetrieveSparseEntity.java b/src/main/java/caosdb/server/database/backend/implementation/MySQL/MySQLRetrieveSparseEntity.java
index 749b0b91455c9f429821bbabce3aa99375a417cd..2aff2aaedda70672eb676597a2e3ba7a1db14352 100644
--- a/src/main/java/caosdb/server/database/backend/implementation/MySQL/MySQLRetrieveSparseEntity.java
+++ b/src/main/java/caosdb/server/database/backend/implementation/MySQL/MySQLRetrieveSparseEntity.java
@@ -51,13 +51,10 @@ public class MySQLRetrieveSparseEntity extends MySQLTransaction
       final PreparedStatement preparedStatement = prepareStatement(stmtStr);
 
       preparedStatement.setInt(1, id);
-      final ResultSet rs = preparedStatement.executeQuery();
-      try {
+      try (final ResultSet rs = preparedStatement.executeQuery()) {
         if (rs.next()) {
           return DatabaseUtils.parseEntityResultSet(rs);
         }
-      } finally {
-        rs.close();
       }
     } catch (final SQLException e) {
       throw new TransactionException(e);