diff --git a/modules/core/src/main/scala/dev/cheleb/scalamigen/Form.scala b/modules/core/src/main/scala/dev/cheleb/scalamigen/Form.scala
index 092fac3..3af762f 100644
--- a/modules/core/src/main/scala/dev/cheleb/scalamigen/Form.scala
+++ b/modules/core/src/main/scala/dev/cheleb/scalamigen/Form.scala
@@ -174,7 +174,6 @@ object Form extends AutoDerivation[Form] {
     */
   given [T, C](using
       validator: IronTypeValidator[T, C],
-      default: Defaultable[IronType[T, C]],
       widgetFactory: WidgetFactory
   ): Form[IronType[T, C]] =
     new Form[IronType[T, C]] {
diff --git a/modules/core/src/main/scala/dev/cheleb/scalamigen/Validator.scala b/modules/core/src/main/scala/dev/cheleb/scalamigen/Validator.scala
index 61b6b85..5a27cf9 100644
--- a/modules/core/src/main/scala/dev/cheleb/scalamigen/Validator.scala
+++ b/modules/core/src/main/scala/dev/cheleb/scalamigen/Validator.scala
@@ -8,4 +8,7 @@ object Validator {
   given Validator[Double] with
     def validate(str: String): Either[String, Double] =
       str.toDoubleOption.toRight("Not a number")
+  given Validator[Int] with
+    def validate(str: String): Either[String, Int] =
+      str.toIntOption.toRight("Not a number")
 }