diff --git a/modules/core/src/main/scala-3/tethys/derivation/JsonReaderDerivation.scala b/modules/core/src/main/scala-3/tethys/derivation/JsonReaderDerivation.scala
index 707460c..dafe620 100644
--- a/modules/core/src/main/scala-3/tethys/derivation/JsonReaderDerivation.scala
+++ b/modules/core/src/main/scala-3/tethys/derivation/JsonReaderDerivation.scala
@@ -26,7 +26,8 @@ trait JsonReaderDerivation:
 
   inline def derived[A](inline config: ReaderBuilder[A])(using mirror: Mirror.ProductOf[A]): JsonReader[A] =
     Derivation.deriveJsonReaderForProduct[A](config)
-    
+
+  @deprecated("Use ReaderBuilder instead")
   inline def derived[A](inline config: ReaderDerivationConfig)(using mirror: Mirror.ProductOf[A]): JsonReader[A] =
     Derivation.deriveJsonReaderForProductLegacy[A](config)
 
diff --git a/modules/macro-derivation/src/test/scala-3/tethys/derivation/SemiautoWriterDerivationTest.scala b/modules/macro-derivation/src/test/scala-3/tethys/derivation/SemiautoWriterDerivationTest.scala
index 31e5493..bbe39f5 100644
--- a/modules/macro-derivation/src/test/scala-3/tethys/derivation/SemiautoWriterDerivationTest.scala
+++ b/modules/macro-derivation/src/test/scala-3/tethys/derivation/SemiautoWriterDerivationTest.scala
@@ -15,7 +15,7 @@ import tethys.writers.tokens.SimpleTokenWriter
 class SemiautoWriterDerivationTest extends AnyFlatSpec with Matchers {
 
   behavior of "semiauto derivation"
-  it should "generate proper writer from WriterDescription" in {
+  it should "generate proper writer from WriterBuilder" in {
     def freeVariable: String = "e"
     implicit val dWriter: JsonWriter[D] = jsonWriter[D](WriterBuilder[D].fieldStyle(FieldStyle.UpperCase))
 
@@ -37,6 +37,27 @@ class SemiautoWriterDerivationTest extends AnyFlatSpec with Matchers {
     )
   }
 
+  it should "generate proper writer from WriterDerivationConfig" in {
+    def freeVariable: String = "e"
+
+    implicit val dWriter: JsonWriter[D] = jsonWriter[D](
+      WriterDerivationConfig.withFieldStyle(tethys.derivation.builder.FieldStyle.uppercase)
+    )
+
+    implicit val testWriter: JsonWriter[JsonTreeTestData] = jsonWriter {
+      WriterDerivationConfig.withFieldStyle(FieldStyle.UpperCase)
+    }
+    JsonTreeTestData(5, b = false, C(D(1))).asTokenList shouldBe obj(
+      "A" -> 5,
+      "B" -> false,
+      "C" -> obj(
+        "d" -> obj(
+          "A" -> 1
+        )
+      )
+    )
+  }
+
   it should "derive writer for update partial" in {
     implicit val partialWriter: JsonWriter[D] = jsonWriter {
       WriterBuilder[D]