diff --git a/json_serializable/test/kitchen_sink/kitchen_sink.g_any_map.dart b/json_serializable/test/kitchen_sink/kitchen_sink.g_any_map.dart
index 6f8b5c69f..f00f38ebc 100644
--- a/json_serializable/test/kitchen_sink/kitchen_sink.g_any_map.dart
+++ b/json_serializable/test/kitchen_sink/kitchen_sink.g_any_map.dart
@@ -251,6 +251,7 @@ class JsonConverterTestClass implements k.JsonConverterTestClass {
 @JsonSerializable(
   anyMap: true,
 )
+// ignore: inference_failure_on_instance_creation
 @GenericConverter()
 class JsonConverterGeneric<S, T, U> {
   S item;
diff --git a/json_serializable/test/kitchen_sink/kitchen_sink.g_any_map__checked.dart b/json_serializable/test/kitchen_sink/kitchen_sink.g_any_map__checked.dart
index fe5bcbba7..0d9dc1144 100644
--- a/json_serializable/test/kitchen_sink/kitchen_sink.g_any_map__checked.dart
+++ b/json_serializable/test/kitchen_sink/kitchen_sink.g_any_map__checked.dart
@@ -253,6 +253,7 @@ class JsonConverterTestClass implements k.JsonConverterTestClass {
   checked: true,
   anyMap: true,
 )
+// ignore: inference_failure_on_instance_creation
 @GenericConverter()
 class JsonConverterGeneric<S, T, U> {
   S item;
diff --git a/json_serializable/test/kitchen_sink/kitchen_sink.g_exclude_null.dart b/json_serializable/test/kitchen_sink/kitchen_sink.g_exclude_null.dart
index 9476908a6..5dda14726 100644
--- a/json_serializable/test/kitchen_sink/kitchen_sink.g_exclude_null.dart
+++ b/json_serializable/test/kitchen_sink/kitchen_sink.g_exclude_null.dart
@@ -253,6 +253,7 @@ class JsonConverterTestClass implements k.JsonConverterTestClass {
 @JsonSerializable(
   includeIfNull: false,
 )
+// ignore: inference_failure_on_instance_creation
 @GenericConverter()
 class JsonConverterGeneric<S, T, U> {
   S item;
diff --git a/json_serializable/test/kitchen_sink/kitchen_sink.g_explicit_to_json.dart b/json_serializable/test/kitchen_sink/kitchen_sink.g_explicit_to_json.dart
index 48afb79fc..efccc8f08 100644
--- a/json_serializable/test/kitchen_sink/kitchen_sink.g_explicit_to_json.dart
+++ b/json_serializable/test/kitchen_sink/kitchen_sink.g_explicit_to_json.dart
@@ -253,6 +253,7 @@ class JsonConverterTestClass implements k.JsonConverterTestClass {
 @JsonSerializable(
   explicitToJson: true,
 )
+// ignore: inference_failure_on_instance_creation
 @GenericConverter()
 class JsonConverterGeneric<S, T, U> {
   S item;