diff --git a/compiler/testData/codegen/box/inference/builderInference/capturedTypes.kt b/compiler/testData/codegen/box/inference/builderInference/capturedTypes.kt
index 4f8bd1625be..016906433f0 100644
--- a/compiler/testData/codegen/box/inference/builderInference/capturedTypes.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/capturedTypes.kt
@@ -5,10 +5,10 @@
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R> build(@BuilderInference block: TestInterface<R>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R> build2(@BuilderInference block: TestInterface<R>.() -> Unit) {}
 
 interface TestInterface<R> {
diff --git a/compiler/testData/codegen/box/inference/builderInference/commonSuperType.kt b/compiler/testData/codegen/box/inference/builderInference/commonSuperType.kt
index 8d2c85f3e74..3e4be2efffd 100644
--- a/compiler/testData/codegen/box/inference/builderInference/commonSuperType.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/commonSuperType.kt
@@ -12,10 +12,10 @@ class Test {
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R> build(@BuilderInference block: TestInterface<R>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R> build2(@BuilderInference block: TestInterface<R>.() -> Unit) {}
 
 class Inv<K>
diff --git a/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeContravariant.kt b/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeContravariant.kt
index 6f5ff5f707d..1ecf4da7ccc 100644
--- a/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeContravariant.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeContravariant.kt
@@ -12,10 +12,10 @@ class Test {
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R1> build(@BuilderInference block: TestInterface<R1>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R2> build2(@BuilderInference block: TestInterface<R2>.() -> Unit) {}
 
 class In<in K>
diff --git a/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeCovariant.kt b/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeCovariant.kt
index e4f2497c6e2..1b7a3175461 100644
--- a/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeCovariant.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeCovariant.kt
@@ -13,10 +13,10 @@ class Test {
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R1> build(@BuilderInference block: TestInterface<R1>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R2> build2(@BuilderInference block: TestInterface<R2>.() -> Unit) {}
 
 class Out<out K>
diff --git a/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeInvariant.kt b/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeInvariant.kt
index d821e1565d1..016976731f5 100644
--- a/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeInvariant.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeInvariant.kt
@@ -13,10 +13,10 @@ class Test {
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R1> build(@BuilderInference block: TestInterface<R1>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R2> build2(@BuilderInference block: TestInterface<R2>.() -> Unit) {}
 
 class Inv<K>
diff --git a/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeNullable.kt b/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeNullable.kt
index b0720d82b42..1a8de1d0a4f 100644
--- a/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeNullable.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/commonSuperTypeNullable.kt
@@ -16,10 +16,10 @@ class Test {
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R> build(@BuilderInference block: TestInterface<R>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R> build2(@BuilderInference block: TestInterface<R>.() -> Unit) {}
 
 class Inv<K>
diff --git a/compiler/testData/codegen/box/inference/builderInference/intersect.kt b/compiler/testData/codegen/box/inference/builderInference/intersect.kt
index 1603e2e5083..a3569ba1bd5 100644
--- a/compiler/testData/codegen/box/inference/builderInference/intersect.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/intersect.kt
@@ -12,10 +12,10 @@ class Test {
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R1> build(@BuilderInference block: TestInterface<R1>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R2> build2(@BuilderInference block: TestInterface<R2>.() -> Unit) {}
 
 class In<in K>
diff --git a/compiler/testData/codegen/box/inference/builderInference/labaledCall.kt b/compiler/testData/codegen/box/inference/builderInference/labaledCall.kt
index a165477611a..893e84f94e9 100644
--- a/compiler/testData/codegen/box/inference/builderInference/labaledCall.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/labaledCall.kt
@@ -5,7 +5,7 @@
 // FILE: main.kt
 import kotlin.experimental.ExperimentalTypeInference
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R> build(@BuilderInference block: TestInterface<R>.() -> Unit) {}
 
 interface TestInterface<R> {
diff --git a/compiler/testData/codegen/box/inference/builderInference/nullability.kt b/compiler/testData/codegen/box/inference/builderInference/nullability.kt
index d12b2cda9db..c92ac2ef5bd 100644
--- a/compiler/testData/codegen/box/inference/builderInference/nullability.kt
+++ b/compiler/testData/codegen/box/inference/builderInference/nullability.kt
@@ -11,16 +11,16 @@ interface TestInterface<R> {
     fun get(): R
 }
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R1> build(@BuilderInference block: TestInterface<R1>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R1 : Any> build2(@BuilderInference block: TestInterface<R1>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R1 : R2, R2 : Any> build3(@BuilderInference block: TestInterface<R1>.() -> Unit) {}
 
-@UseExperimental(ExperimentalTypeInference::class)
+@OptIn(ExperimentalTypeInference::class)
 fun <R1 : R2, R2> build4(x: R2, @BuilderInference block: TestInterface<R1>.() -> Unit) {}
 
 fun test(a: String?) {