diff --git a/cpp/include/raft/neighbors/cagra_serialize.cuh b/cpp/include/raft/neighbors/cagra_serialize.cuh
index 4930d2a494..40a364df69 100644
--- a/cpp/include/raft/neighbors/cagra_serialize.cuh
+++ b/cpp/include/raft/neighbors/cagra_serialize.cuh
@@ -148,7 +148,6 @@ void serialize_to_hnswlib(raft::resources const& handle,
  * @param[in] handle the raft handle
  * @param[in] filename the file name for saving the index
  * @param[in] index CAGRA index
- * @param[in] include_dataset Whether or not to write out the dataset to the file.
  *
  */
 template <typename T, typename IdxT>