diff --git a/libraries/stdlib/js/src/kotlin/string.kt b/libraries/stdlib/js/src/kotlin/string.kt
index c564874cc04..1f20bf6d13c 100644
--- a/libraries/stdlib/js/src/kotlin/string.kt
+++ b/libraries/stdlib/js/src/kotlin/string.kt
@@ -67,10 +67,6 @@ public inline fun String.match(regex: String): Array<String>? = asDynamic().matc
 //native public fun String.trim(): String
 //TODO: String.replace to implement effective trimLeading and trimTrailing
 
-@Deprecated("Use length property instead.", ReplaceWith("length"), level = DeprecationLevel.ERROR)
-@kotlin.internal.InlineOnly
-public inline val CharSequence.size: Int get() = length
-
 @kotlin.internal.InlineOnly
 internal inline fun String.nativeReplace(pattern: RegExp, replacement: String): String = asDynamic().replace(pattern, replacement)