diff --git a/commons-datastore/commons-datastore-mongodb/src/main/java/org/opencb/commons/datastore/mongodb/MongoDBQueryUtils.java b/commons-datastore/commons-datastore-mongodb/src/main/java/org/opencb/commons/datastore/mongodb/MongoDBQueryUtils.java
index fbb529e0..1d3e50f7 100644
--- a/commons-datastore/commons-datastore-mongodb/src/main/java/org/opencb/commons/datastore/mongodb/MongoDBQueryUtils.java
+++ b/commons-datastore/commons-datastore-mongodb/src/main/java/org/opencb/commons/datastore/mongodb/MongoDBQueryUtils.java
@@ -781,15 +781,13 @@ private static Facet getMongoDBFacet(String field, Accumulator accumulator, List
         Facet facet;
         switch (accumulator) {
             case count: {
-//                facet = new Facet(field + COUNTS_SUFFIX, Arrays.asList(Aggregates.group(id, Accumulators.sum(count.name(), 1))));
-                facet = new Facet(field + COUNTS_SUFFIX,
-                        Arrays.asList(Aggregates.group(
-                                id,
-                                Accumulators.sum(count.name(), 1),
-                                Accumulators.sum("size", "$size"),
-                                Accumulators.avg("avg", "$size")
-                        )));
-                break;
+                facet = new Facet(field + COUNTS_SUFFIX, Arrays.asList(Aggregates.group(id, Accumulators.sum(count.name(), "$size"))));
+//                facet = new Facet(field + COUNTS_SUFFIX,
+//                        Arrays.asList(Aggregates.group(
+//                                id,
+//                                Accumulators.sum("size", "$size")
+//                        )));
+//                break;
             }
             case sum: {
                 facet = new Facet(field + SUM_SUFFIX, Arrays.asList(Aggregates.group(field, Accumulators.sum(sum.name(), id))));