1 files changed, 7 insertions, 12 deletions
diff --git a/guide/example/example-json-18.kt b/guide/example/example-json-18.kt
index d3da62d3..1b655bfe 100644
--- a/guide/example/example-json-18.kt
+++ b/guide/example/example-json-18.kt
@@ -5,18 +5,13 @@ import kotlinx.serialization.*
 import kotlinx.serialization.json.*
 
 @Serializable
-class Project(val name: String, val language: String)
-
-object ProjectSerializer : JsonTransformingSerializer<Project>(Project.serializer()) {
-    override fun transformSerialize(element: JsonElement): JsonElement =
-        // Filter out top-level key value pair with the key "language" and the value "Kotlin"
-        JsonObject(element.jsonObject.filterNot {
-            (k, v) -> k == "language" && v.jsonPrimitive.content == "Kotlin"
-        })
-}
+data class Project(val name: String, val language: String)
 
 fun main() {
-    val data = Project("kotlinx.serialization", "Kotlin")
-    println(Json.encodeToString(data)) // using plugin-generated serializer
-    println(Json.encodeToString(ProjectSerializer, data)) // using custom serializer
+    val element = buildJsonObject {
+        put("name", "kotlinx.serialization")
+        put("language", "Kotlin")
+    }
+    val data = Json.decodeFromJsonElement<Project>(element)
+    println(data)
 }