diff --git a/libraries/stdlib/wasm/src/kotlin/reflect/KClasses.kt b/libraries/stdlib/wasm/src/kotlin/reflect/KClasses.kt
index fa239b1368d..0ac8d68bdf4 100644
--- a/libraries/stdlib/wasm/src/kotlin/reflect/KClasses.kt
+++ b/libraries/stdlib/wasm/src/kotlin/reflect/KClasses.kt
@@ -5,4 +5,5 @@
 
 package kotlin.reflect
 
-internal actual val KClass<*>.qualifiedOrSimpleName: String? get() = TODO("Wasm stdlib: KClass<*>.qualifiedOrSimpleName")
+internal actual val KClass<*>.qualifiedOrSimpleName: String?
+    get() = simpleName
\ No newline at end of file