diff --git a/pgvectorscale/src/access_method/mod.rs b/pgvectorscale/src/access_method/mod.rs
index c0202ed..7c72f66 100644
--- a/pgvectorscale/src/access_method/mod.rs
+++ b/pgvectorscale/src/access_method/mod.rs
@@ -23,6 +23,8 @@ pub mod distance;
 mod distance_x86;
 mod sbq;
 
+use std::assert_eq;
+
 #[pg_extern(sql = "
     CREATE OR REPLACE FUNCTION diskann_amhandler(internal) RETURNS index_am_handler PARALLEL SAFE IMMUTABLE STRICT COST 0.0001 LANGUAGE c AS '@MODULE_PATHNAME@', '@FUNCTION_NAME@';