diff --git a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/metadata/builders.kt b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/metadata/entityBuilders.kt
similarity index 99%
rename from native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/metadata/builders.kt
rename to native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/metadata/entityBuilders.kt
index f6e50050670..bf0f33c0724 100644
--- a/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/metadata/builders.kt
+++ b/native/commonizer/src/org/jetbrains/kotlin/descriptors/commonizer/metadata/entityBuilders.kt
@@ -343,7 +343,7 @@ private fun CirTypeProjection.buildArgument(
 }
 
 @Suppress("NOTHING_TO_INLINE")
-private inline fun Variance.buildVariance() = when (this) {
+private inline fun Variance.buildVariance(): KmVariance = when (this) {
     Variance.INVARIANT -> KmVariance.INVARIANT
     Variance.IN_VARIANCE -> KmVariance.IN
     Variance.OUT_VARIANCE -> KmVariance.OUT