diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9ddf8f..68f274a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,7 +19,6 @@
 If upgrading with Postgres 12 or Docker, see [these notes](https://github.com/pgvector/pgvector#060).
 
 - Added support for parallel index builds for HNSW
-- Added `hamming_distance` function
 - Added validation for GUC parameters
 - Changed storage for vector from `extended` to `external`
 - Improved performance of HNSW