diff --git a/project/ShoelaceGenerator.scala b/project/ShoelaceGenerator.scala
index 10e1bfb..f4cf041 100644
--- a/project/ShoelaceGenerator.scala
+++ b/project/ShoelaceGenerator.scala
@@ -71,7 +71,7 @@ class ShoelaceGenerator(
       case "String" => "stringProp"
       case "Int" => "intProp"
       case "Double" => "doubleProp"
-      case "js.Date | String" => "dateProp"
+      case "js.Date | String" => "asIsProp"
       case "dom.MutationObserver" | "js.Array[js.Object]" => "asIsProp"
       case _ =>
         println(s"PROP ...No impl defined for scala type `${scalaTypeStr}`, trying `htmlProp` for now.")
diff --git a/src/main/scala/com/raquo/laminar/shoelace/sl/CommonTypes.scala b/src/main/scala/com/raquo/laminar/shoelace/sl/CommonTypes.scala
index b1c8827..acc056e 100644
--- a/src/main/scala/com/raquo/laminar/shoelace/sl/CommonTypes.scala
+++ b/src/main/scala/com/raquo/laminar/shoelace/sl/CommonTypes.scala
@@ -44,8 +44,6 @@ trait CommonTypes {
 
   protected def asIsProp[V](name: String): HtmlProp[V, _] = L.htmlProp(name, AsIsCodec[V]())
 
-  protected def dateProp(name: String): HtmlProp[js.Date | String, _] = L.htmlProp(name, AsIsCodec[js.Date | String]())
-
   protected def boolAttr(name: String): HtmlAttr[Boolean] = {
     L.htmlAttr(name, BooleanAsAttrPresenceCodec)
   }
diff --git a/src/main/scala/com/raquo/laminar/shoelace/sl/FormatDate.scala b/src/main/scala/com/raquo/laminar/shoelace/sl/FormatDate.scala
index ac0d5a9..719547a 100644
--- a/src/main/scala/com/raquo/laminar/shoelace/sl/FormatDate.scala
+++ b/src/main/scala/com/raquo/laminar/shoelace/sl/FormatDate.scala
@@ -73,7 +73,7 @@ object FormatDate extends WebComponent("sl-format-date") {
     * recommended to use the ISO 8601 format to ensure timezones are handled correctly. To convert a date to this format
     * in JavaScript, use [`date.toISOString()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString).
     */
-  lazy val date: HtmlProp[js.Date | String, _] = dateProp("date")
+  lazy val date: HtmlProp[js.Date | String, _] = asIsProp("date")
 
 
   // -- Slots --
diff --git a/src/main/scala/com/raquo/laminar/shoelace/sl/RelativeTime.scala b/src/main/scala/com/raquo/laminar/shoelace/sl/RelativeTime.scala
index 18b3b8e..d1f5ebc 100644
--- a/src/main/scala/com/raquo/laminar/shoelace/sl/RelativeTime.scala
+++ b/src/main/scala/com/raquo/laminar/shoelace/sl/RelativeTime.scala
@@ -52,7 +52,7 @@ object RelativeTime extends WebComponent("sl-relative-time") {
     * string, it's strongly recommended to use the ISO 8601 format to ensure timezones are handled correctly. To convert
     * a date to this format in JavaScript, use [`date.toISOString()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString).
     */
-  lazy val date: HtmlProp[js.Date | String, _] = dateProp("date")
+  lazy val date: HtmlProp[js.Date | String, _] = asIsProp("date")
 
 
   // -- Slots --