diff --git a/compiler/testData/codegen/box/annotations/jvmAnnotationFlags.kt b/compiler/testData/codegen/box/annotations/jvmAnnotationFlags.kt
index ac888608d04..27d1ff0b2de 100644
--- a/compiler/testData/codegen/box/annotations/jvmAnnotationFlags.kt
+++ b/compiler/testData/codegen/box/annotations/jvmAnnotationFlags.kt
@@ -1,6 +1,5 @@
 // TARGET_BACKEND: JVM
 
-// !API_VERSION: 1.9
 // WITH_STDLIB
 // FULL_JDK
 
@@ -13,7 +12,6 @@ class CustomDelegate {
 
 class C {
     @Volatile var vol = 1
-    @OptIn(ExperimentalStdlibApi::class)
     @kotlin.concurrent.Volatile var vol2 = 1
     @Transient val tra = 1
     @delegate:Transient val del: String by CustomDelegate()
diff --git a/compiler/testData/codegen/bytecodeText/noFlagAnnotations.kt b/compiler/testData/codegen/bytecodeText/noFlagAnnotations.kt
index 5d09f810367..486748269f4 100644
--- a/compiler/testData/codegen/bytecodeText/noFlagAnnotations.kt
+++ b/compiler/testData/codegen/bytecodeText/noFlagAnnotations.kt
@@ -1,6 +1,4 @@
-// !API_VERSION: 1.9
 @Volatile var vol = 1
-@OptIn(ExperimentalStdlibApi::class)
 @kotlin.concurrent.Volatile var vol2 = 1
 @Transient val tra = 1
 
diff --git a/compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.kt b/compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.kt
index 4c247506497..8171dbceeb9 100644
--- a/compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.kt
+++ b/compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.kt
@@ -1,6 +1,5 @@
 // FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_ANONYMOUS_PARAMETER
-// !API_VERSION: 1.9
 // !LANGUAGE: +MultiPlatformProjects
 
 // MODULE: common
@@ -9,7 +8,6 @@
 import kotlin.concurrent.Volatile
 import kotlin.properties.Delegates
 
-@OptIn(ExperimentalStdlibApi::class)
 class ConcurrentVolatile {
     <!VOLATILE_ON_VALUE!>@Volatile<!> val x = 0
     // ok
@@ -32,7 +30,6 @@ import kotlin.jvm.Volatile as JvmVolatile
 import kotlin.concurrent.Volatile
 import kotlin.properties.Delegates
 
-@OptIn(ExperimentalStdlibApi::class)
 class ConcurrentVolatileOnJvm {
     <!VOLATILE_ON_VALUE!>@Volatile<!> val x = 0
     // ok
diff --git a/compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.txt b/compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.txt
index 5500f0407c9..8f2df4c4edf 100644
--- a/compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.txt
+++ b/compiler/testData/diagnostics/testsWithStdLib/annotations/Volatile.txt
@@ -1,7 +1,7 @@
 // -- Module: <common> --
 package
 
-@kotlin.OptIn(markerClass = {kotlin.ExperimentalStdlibApi::class}) public final class ConcurrentVolatile {
+public final class ConcurrentVolatile {
     public constructor ConcurrentVolatile()
     @field:kotlin.concurrent.Volatile public final var noBacking: kotlin.String
     @field:kotlin.concurrent.Volatile public final val w: kotlin.Int = 2
@@ -16,7 +16,7 @@ package
 // -- Module: <jvm> --
 package
 
-@kotlin.OptIn(markerClass = {kotlin.ExperimentalStdlibApi::class}) public final class ConcurrentVolatileOnJvm {
+public final class ConcurrentVolatileOnJvm {
     public constructor ConcurrentVolatileOnJvm()
     @field:kotlin.concurrent.Volatile /* = kotlin.jvm.Volatile */ public final var noBacking: kotlin.String
     @field:kotlin.concurrent.Volatile /* = kotlin.jvm.Volatile */ public final val w: kotlin.Int = 2
diff --git a/kotlin-native/runtime/src/main/kotlin/kotlin/concurrent/Volatile.kt b/kotlin-native/runtime/src/main/kotlin/kotlin/concurrent/Volatile.kt
index 1ee143f70ef..3400c8d7ba4 100644
--- a/kotlin-native/runtime/src/main/kotlin/kotlin/concurrent/Volatile.kt
+++ b/kotlin-native/runtime/src/main/kotlin/kotlin/concurrent/Volatile.kt
@@ -21,7 +21,7 @@ import kotlin.internal.RequireKotlinVersionKind
 @Target(AnnotationTarget.FIELD)
 @Retention(AnnotationRetention.SOURCE)
 @MustBeDocumented
-@SinceKotlin("1.8")
+@SinceKotlin("1.9")
 @RequireKotlin(version = "1.8.20", versionKind = RequireKotlinVersionKind.COMPILER_VERSION)
-@ExperimentalStdlibApi
+@WasExperimental(ExperimentalStdlibApi::class)
 public actual annotation class Volatile
\ No newline at end of file
diff --git a/libraries/stdlib/jvm/src/kotlin/concurrent/Volatile.kt b/libraries/stdlib/jvm/src/kotlin/concurrent/Volatile.kt
index 34dbfa3c828..e096f1bc2a4 100644
--- a/libraries/stdlib/jvm/src/kotlin/concurrent/Volatile.kt
+++ b/libraries/stdlib/jvm/src/kotlin/concurrent/Volatile.kt
@@ -14,7 +14,5 @@ package kotlin.concurrent
  * For example, if the property getter or setter make several operations with the backing field,
  * a _property_ operation, i.e. reading or setting it through these accessors, is not guaranteed to be atomic.
  */
-@Suppress("NEWER_VERSION_IN_SINCE_KOTLIN")
 @SinceKotlin("1.9")
-@ExperimentalStdlibApi
 public actual typealias Volatile = kotlin.jvm.Volatile
\ No newline at end of file
diff --git a/libraries/stdlib/src/kotlin/concurrent/Volatile.kt b/libraries/stdlib/src/kotlin/concurrent/Volatile.kt
index e1f3f115520..de4e22cb472 100644
--- a/libraries/stdlib/src/kotlin/concurrent/Volatile.kt
+++ b/libraries/stdlib/src/kotlin/concurrent/Volatile.kt
@@ -24,8 +24,6 @@ import kotlin.internal.RequireKotlinVersionKind
 @Retention(AnnotationRetention.SOURCE)
 @MustBeDocumented
 @OptionalExpectation
-@Suppress("NEWER_VERSION_IN_SINCE_KOTLIN")
 @SinceKotlin("1.9")
 @RequireKotlin(version = "1.8.20", versionKind = RequireKotlinVersionKind.COMPILER_VERSION)
-@ExperimentalStdlibApi
 public expect annotation class Volatile()
\ No newline at end of file
diff --git a/libraries/stdlib/src/kotlin/enums/EnumEntries.kt b/libraries/stdlib/src/kotlin/enums/EnumEntries.kt
index 3ca52f73635..641624db66c 100644
--- a/libraries/stdlib/src/kotlin/enums/EnumEntries.kt
+++ b/libraries/stdlib/src/kotlin/enums/EnumEntries.kt
@@ -7,8 +7,6 @@
 
 package kotlin.enums
 
-import kotlin.jvm.Volatile
-
 /**
  * A specialized immutable implementation of [List] interface that
  * contains all enum entries of the specified enum type [E].