diff --git a/opensilex-core/src/main/java/org/opensilex/core/data/dal/DataDaoV2.java b/opensilex-core/src/main/java/org/opensilex/core/data/dal/DataDaoV2.java
index e441cfd23..8378c3d20 100644
--- a/opensilex-core/src/main/java/org/opensilex/core/data/dal/DataDaoV2.java
+++ b/opensilex-core/src/main/java/org/opensilex/core/data/dal/DataDaoV2.java
@@ -66,8 +66,6 @@ public static Map<Bson, IndexOptions> getIndexes() {
 
         // Multi-fields indexes : Access by experiment and (variable, target, provenance agent). Add date to ensure index usage in case of sorting by date
         indexes.put(Indexes.compoundIndex(experimentAscIndex, variableAscIndex, targetDescIndex, dateDescIndex), defaultOptions);
-        indexes.put(Indexes.compoundIndex(experimentAscIndex, agentAscIndex, targetDescIndex, dateDescIndex), defaultOptions);
-        indexes.put(Indexes.compoundIndex(experimentAscIndex, targetDescIndex, agentAscIndex, dateDescIndex), defaultOptions);
 
         // Compound index : ensure unicity #TODO delete this index (index on whole field,too big and not well used in query)
         indexes.put(Indexes.compoundIndex(variableAscIndex, Indexes.ascending(DataModel.PROVENANCE_FIELD), targetDescIndex, dateDescIndex), new IndexOptions().unique(true));