diff --git a/data-store/src/main/java/org/lucares/pdb/datastore/internal/DataStore.java b/data-store/src/main/java/org/lucares/pdb/datastore/internal/DataStore.java
index 6d01431..1e6660f 100644
--- a/data-store/src/main/java/org/lucares/pdb/datastore/internal/DataStore.java
+++ b/data-store/src/main/java/org/lucares/pdb/datastore/internal/DataStore.java
@@ -293,7 +293,6 @@ public class DataStore implements AutoCloseable {
 
 		synchronized (docIdToDoc) {
 
-			final long start = System.nanoTime();
 			for (int i = 0; i < docIdsList.size(); i++) {
 				final long docId = docIdsList.get(i);
 
@@ -302,14 +301,11 @@ public class DataStore implements AutoCloseable {
 
 				result.add(doc);
 			}
-			System.out.println(
-					"mapDocIdsToDocs: " + (System.nanoTime() - start) / 1_000_000.0 + "ms ; tags:" + result.size());
 		}
 		return result;
 	}
 
 	public List<Doc> getByTags(final Tags tags) {
-		final long start = System.nanoTime();
 		try {
 			final Long docId = tagsToDocId.getValue(tags);
 			final List<Doc> result = new ArrayList<>(0);
@@ -317,8 +313,6 @@ public class DataStore implements AutoCloseable {
 				final Doc doc = getDocByDocId(docId);
 				result.add(doc);
 			}
-			System.out
-					.println("getByTags: " + (System.nanoTime() - start) / 1_000_000.0 + "ms ; tags:" + result.size());
 			return result;
 		} catch (final IOException e) {
 			throw new RuntimeIOException(e);