diff --git a/lib/pgvector.dart b/lib/pgvector.dart
index 13c319d..843b447 100644
--- a/lib/pgvector.dart
+++ b/lib/pgvector.dart
@@ -1,8 +1,4 @@
 import 'dart:convert';
-import 'dart:typed_data';
-
-import 'halfvec.dart';
-import 'sparsevec.dart';
 import 'vector.dart';
 
 export 'halfvec.dart' show HalfVector;