diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a0ff44256a46..7a46fce29a87f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -123,6 +123,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Remove deprecated serialization logic from pipeline aggs ([#4847](https://github.com/opensearch-project/OpenSearch/pull/4847))
 - Remove unused private methods ([#4926](https://github.com/opensearch-project/OpenSearch/pull/4926))
 - Revert PR 4656 to unblock Windows CI ([#4949](https://github.com/opensearch-project/OpenSearch/pull/4949))
+- Remove LegacyESVersion.V_7_8_ and V_7_9_ Constants ([#4855](https://github.com/opensearch-project/OpenSearch/pull/4855))
 
 ### Fixed
 - `opensearch-service.bat start` and `opensearch-service.bat manager` failing to run ([#4289](https://github.com/opensearch-project/OpenSearch/pull/4289))