diff --git a/drift_dev/lib/src/analysis/serializer.dart b/drift_dev/lib/src/analysis/serializer.dart
index 3a677a43..0e13e981 100644
--- a/drift_dev/lib/src/analysis/serializer.dart
+++ b/drift_dev/lib/src/analysis/serializer.dart
@@ -1,5 +1,4 @@
 import 'package:analyzer/dart/element/element.dart';
-import 'package:analyzer/dart/element/nullability_suffix.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:collection/collection.dart';
 import 'package:drift/drift.dart' show DriftSqlType, UpdateKind;