diff --git a/runtime/src/main/kotlin/kotlin/Arrays.kt b/runtime/src/main/kotlin/kotlin/Arrays.kt
index 1f1669c0913..674ef622b15 100644
--- a/runtime/src/main/kotlin/kotlin/Arrays.kt
+++ b/runtime/src/main/kotlin/kotlin/Arrays.kt
@@ -106,10 +106,6 @@ public final class CharArray {
     @SymbolName("Kotlin_CharArray_set")
     external public operator fun set(index: Int, value: Char): Unit
 
-    // TODO: Do we need it?
-    //@SymbolName("Kotlin_CharArray_copyOf")
-    //external public fun copyOf(newSize: Int): CharArray
-
     @SymbolName("Kotlin_CharArray_getArrayLength")
     external private fun getArrayLength(): Int