diff --git a/importers/src/main/groovy/whelk/importer/DatasetImporter.groovy b/importers/src/main/groovy/whelk/importer/DatasetImporter.groovy
index 708a3daf95..194274dedf 100644
--- a/importers/src/main/groovy/whelk/importer/DatasetImporter.groovy
+++ b/importers/src/main/groovy/whelk/importer/DatasetImporter.groovy
@@ -448,6 +448,7 @@ class DatasetImporter {
 
     private boolean remove(String id, boolean force) {
         try {
+            log.info("Removing " + id + " from dataset")
             whelk.remove(id, "xl", null, force)
             return true
         } catch ( RuntimeException re ) {
diff --git a/whelk-core/src/main/groovy/whelk/component/PostgreSQLComponent.groovy b/whelk-core/src/main/groovy/whelk/component/PostgreSQLComponent.groovy
index 3d82a63906..ae02e901ea 100644
--- a/whelk-core/src/main/groovy/whelk/component/PostgreSQLComponent.groovy
+++ b/whelk-core/src/main/groovy/whelk/component/PostgreSQLComponent.groovy
@@ -2208,7 +2208,9 @@ class PostgreSQLComponent {
 
             String replacement = "'" + excludeRelations.join("', '") + "'"
             query = query.replace("€", replacement)
+            connection.setAutoCommit(false)
             preparedStatement = connection.prepareStatement(query)
+            preparedStatement.setFetchSize(256)
             preparedStatement.setString(1, id)
             rs = preparedStatement.executeQuery()
             List<Tuple2<String, String>> dependencies = []