diff --git a/kotlin-native/performance/ring/src/main/kotlin/org/jetbrains/ring/WeakRefBenchmark.kt b/kotlin-native/performance/ring/src/main/kotlin/org/jetbrains/ring/WeakRefBenchmark.kt
index 57f23aa3073..485e530258f 100644
--- a/kotlin-native/performance/ring/src/main/kotlin/org/jetbrains/ring/WeakRefBenchmark.kt
+++ b/kotlin-native/performance/ring/src/main/kotlin/org/jetbrains/ring/WeakRefBenchmark.kt
@@ -46,7 +46,7 @@ private fun ReferenceWrapper.stress() = (1..REPEAT_COUNT).sumOf {
     this.value
 }
 
-@file:OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
+@OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
 open class WeakRefBenchmark {
     private val aliveRef = ReferenceWrapper.create()
     private val deadRef = ReferenceWrapper.create().apply {