diff --git a/libraries/stdlib/src/kotlin/io/Console.kt b/libraries/stdlib/src/kotlin/io/Console.kt
index 919c5367a9d..c0ebf21e347 100644
--- a/libraries/stdlib/src/kotlin/io/Console.kt
+++ b/libraries/stdlib/src/kotlin/io/Console.kt
@@ -5,21 +5,6 @@ import java.io.InputStream
 import java.io.InputStreamReader
 import java.io.BufferedReader
 
-/**
- * Returns the default buffer size when working with buffered streams.
- */
-public val defaultBufferSize: Int = 64 * 1024
-
-/**
- * Returns the default block size for forEachBlock().
- */
-public val defaultBlockSize: Int = 4096
-
-/**
- * Returns the minimum block size for forEachBlock().
- */
-public val minimumBlockSize: Int = 512
-
 /** Prints the given message to the standard output stream. */
 public fun print(message: Any?) {
     System.out.print(message)
diff --git a/libraries/stdlib/src/kotlin/io/Constants.kt b/libraries/stdlib/src/kotlin/io/Constants.kt
new file mode 100644
index 00000000000..d6cad17a046
--- /dev/null
+++ b/libraries/stdlib/src/kotlin/io/Constants.kt
@@ -0,0 +1,15 @@
+@file:JvmVersion
+package kotlin.io
+
+/**
+ * Returns the default buffer size when working with buffered streams.
+ */
+public val defaultBufferSize: Int = 64 * 1024
+/**
+ * Returns the default block size for forEachBlock().
+ */
+public val defaultBlockSize: Int = 4096
+/**
+ * Returns the minimum block size for forEachBlock().
+ */
+public val minimumBlockSize: Int = 512
\ No newline at end of file