diff --git a/renlin/src/commonMain/kotlin/net/kigawa/renlin/component/Func.kt b/renlin/src/commonMain/kotlin/net/kigawa/renlin/component/Func.kt
index 61a960f..adde030 100644
--- a/renlin/src/commonMain/kotlin/net/kigawa/renlin/component/Func.kt
+++ b/renlin/src/commonMain/kotlin/net/kigawa/renlin/component/Func.kt
@@ -21,14 +21,12 @@ fun <CONTENT_CATEGORY: ContentCategory, TAG: Tag<CONTENT_CATEGORY>> Component<TA
 fun <CONTENT_CATEGORY: ContentCategory> component(
   block: StatedDsl<CONTENT_CATEGORY>.() -> Unit,
 ): Component0<Tag<in CONTENT_CATEGORY>, in CONTENT_CATEGORY> {
-  println("component start $block")
   return object: Component0<Tag<CONTENT_CATEGORY>, CONTENT_CATEGORY> {
     override fun render(
       parentDsl: StatedDsl<out
       CONTENT_CATEGORY>,
       key: String?,
     ) {
-      println("component")
       @OptIn(ExperimentalUuidApi::class)
       val nonNullKey = key ?: Uuid.random().toString()
       val state = parentDsl.dslState.getOrCreateSubDslState(nonNullKey, this)
@@ -38,9 +36,7 @@ fun <CONTENT_CATEGORY: ContentCategory> component(
           return parentDsl.applyElement(element)
         }
       }
-      println("component newDsl")
       newDsl.block()
-      println("component end")
       parentDsl.registerSubDsl(
         RegisteredDslData(
           newDsl,
diff --git a/renlin/src/commonMain/kotlin/net/kigawa/renlin/component/StructuredComponent.kt b/renlin/src/commonMain/kotlin/net/kigawa/renlin/component/StructuredComponent.kt
index 75df720..e009743 100644
--- a/renlin/src/commonMain/kotlin/net/kigawa/renlin/component/StructuredComponent.kt
+++ b/renlin/src/commonMain/kotlin/net/kigawa/renlin/component/StructuredComponent.kt
@@ -15,7 +15,6 @@ interface StructuredComponent<
   fun newDsl(dslState: DslState): DSL
   @OptIn(ExperimentalUuidApi::class)
   override fun render(parentDsl: StatedDsl<out CONTENT_CATEGORY>, arg1: DSL.() -> Unit, key: String?) {
-    println("render start $arg1")
     val nonNullKey = key ?: Uuid.random().toString()
     val dslState = parentDsl.dslState.getOrCreateSubDslState(nonNullKey, this)
     val dsl = newDsl(dslState)
diff --git a/renlin/src/commonMain/kotlin/net/kigawa/renlin/dsl/StatedDsl.kt b/renlin/src/commonMain/kotlin/net/kigawa/renlin/dsl/StatedDsl.kt
index 0b881f0..d2b5a3e 100644
--- a/renlin/src/commonMain/kotlin/net/kigawa/renlin/dsl/StatedDsl.kt
+++ b/renlin/src/commonMain/kotlin/net/kigawa/renlin/dsl/StatedDsl.kt
@@ -76,7 +76,6 @@ interface StatedDsl<CONTENT_CATEGORY: ContentCategory>: Dsl {
   operator fun <TAG: Tag<in CONTENT_CATEGORY>, DSL> Component1<TAG, in CONTENT_CATEGORY, DSL>.invoke(
     key: String? = null, block: DSL,
   ) {
-    println("invoke")
     return this@invoke.render(this@StatedDsl, block, key)
   }
 
diff --git a/renlin/src/jsMain/kotlin/net/kigawa/renlin/Entrypoint.kt b/renlin/src/jsMain/kotlin/net/kigawa/renlin/Entrypoint.kt
index 2baf0d5..0e16db0 100644
--- a/renlin/src/jsMain/kotlin/net/kigawa/renlin/Entrypoint.kt
+++ b/renlin/src/jsMain/kotlin/net/kigawa/renlin/Entrypoint.kt
@@ -12,7 +12,6 @@ class Entrypoint(
   fun <CONTENT_CATEGORY: ContentCategory> render(
     component: Component0<*, CONTENT_CATEGORY>, dispatcher: StateDispatcher,
   ) {
-    println("Entrypoint")
     val dsl = DomDsl<CONTENT_CATEGORY>(element, dispatcher)
     component.render(dsl, "root")
   }
diff --git a/sample/src/jsMain/kotlin/net/kigawa/renlin/sample/Main.kt b/sample/src/jsMain/kotlin/net/kigawa/renlin/sample/Main.kt
index 0223295..217e30d 100644
--- a/sample/src/jsMain/kotlin/net/kigawa/renlin/sample/Main.kt
+++ b/sample/src/jsMain/kotlin/net/kigawa/renlin/sample/Main.kt
@@ -10,9 +10,7 @@ fun main() {
     val sub = Sub()
     val sample = SampleComponent("sample", sub)
     val dispatcher = HakateInitializer().newStateDispatcher()
-    println("Hello, world!")
     Entrypoint(root).render(sample.root, dispatcher)
-    println("Hello, world! 2")
     var i = 0
     window.setInterval(
         {