diff --git a/libraries/stdlib/src/kotlin/internal/PlatformImplementations.kt b/libraries/stdlib/src/kotlin/internal/PlatformImplementations.kt
index 106290cf0d6..d53f02588b2 100644
--- a/libraries/stdlib/src/kotlin/internal/PlatformImplementations.kt
+++ b/libraries/stdlib/src/kotlin/internal/PlatformImplementations.kt
@@ -72,5 +72,6 @@ private fun getJavaVersion(): Int {
  * The function usages are validated to have literal argument values.
  */
 @PublishedApi
+@RequireKotlin("1.2", versionKind = RequireKotlinVersionKind.COMPILER_VERSION)
 internal fun apiVersionIsAtLeast(major: Int, minor: Int, patch: Int) =
         KotlinVersion.CURRENT.isAtLeast(major, minor, patch)
\ No newline at end of file
diff --git a/libraries/stdlib/src/kotlin/io/Closeable.kt b/libraries/stdlib/src/kotlin/io/Closeable.kt
index 6779df8591e..d2a2acbfdbb 100644
--- a/libraries/stdlib/src/kotlin/io/Closeable.kt
+++ b/libraries/stdlib/src/kotlin/io/Closeable.kt
@@ -29,6 +29,7 @@ import kotlin.internal.*
  * @return the result of [block] function invoked on this resource.
  */
 @InlineOnly
+@RequireKotlin("1.2", versionKind = RequireKotlinVersionKind.COMPILER_VERSION)
 public inline fun <T : Closeable?, R> T.use(block: (T) -> R): R {
     var exception: Throwable? = null
     try {
diff --git a/libraries/stdlib/src/kotlin/io/FileReadWrite.kt b/libraries/stdlib/src/kotlin/io/FileReadWrite.kt
index 18d323dea3e..b52f865f9b6 100644
--- a/libraries/stdlib/src/kotlin/io/FileReadWrite.kt
+++ b/libraries/stdlib/src/kotlin/io/FileReadWrite.kt
@@ -6,6 +6,7 @@ package kotlin.io
 import java.io.*
 import java.util.*
 import java.nio.charset.Charset
+import kotlin.internal.*
 
 
 /**
@@ -195,5 +196,6 @@ public fun File.readLines(charset: Charset = Charsets.UTF_8): List<String> {
  * @param charset character set to use. By default uses UTF-8 charset.
  * @return the value returned by [block].
  */
+@RequireKotlin("1.2", versionKind = RequireKotlinVersionKind.COMPILER_VERSION)
 public inline fun <T> File.useLines(charset: Charset = Charsets.UTF_8, block: (Sequence<String>) -> T): T =
         bufferedReader(charset).use { block(it.lineSequence()) }
diff --git a/libraries/stdlib/src/kotlin/io/ReadWrite.kt b/libraries/stdlib/src/kotlin/io/ReadWrite.kt
index 28f66d57241..d74a930c09a 100644
--- a/libraries/stdlib/src/kotlin/io/ReadWrite.kt
+++ b/libraries/stdlib/src/kotlin/io/ReadWrite.kt
@@ -43,6 +43,7 @@ public fun Reader.readLines(): List<String> {
  * the processing is complete.
  * @return the value returned by [block].
  */
+@RequireKotlin("1.2", versionKind = RequireKotlinVersionKind.COMPILER_VERSION)
 public inline fun <T> Reader.useLines(block: (Sequence<String>) -> T): T =
         buffered().use { block(it.lineSequence()) }