diff --git a/src/Elastic.Markdown/Exporters/Elasticsearch/ContentDateEnrichment.cs b/src/Elastic.Markdown/Exporters/Elasticsearch/ContentDateEnrichment.cs
index b4d16d699..5b0f8f21b 100644
--- a/src/Elastic.Markdown/Exporters/Elasticsearch/ContentDateEnrichment.cs
+++ b/src/Elastic.Markdown/Exporters/Elasticsearch/ContentDateEnrichment.cs
@@ -71,7 +71,6 @@ private async Task EnsureLookupIndexAsync(Cancel ct)
 
 		var mapping = new JsonObject
 		{
-			["settings"] = new JsonObject { ["number_of_shards"] = 1, ["number_of_replicas"] = 0 },
 			["mappings"] = new JsonObject
 			{
 				["properties"] = new JsonObject