diff --git a/libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/KotlinExternalModelId.kt b/libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/KotlinExternalModelId.kt
index 1756d0e7ce5..3883eba07f3 100644
--- a/libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/KotlinExternalModelId.kt
+++ b/libraries/tools/kotlin-gradle-plugin-idea/src/main/kotlin/org/jetbrains/kotlin/gradle/kpm/KotlinExternalModelId.kt
@@ -15,7 +15,7 @@ inline fun <reified T : Any> KotlinExternalModelId(disambiguationName: String? =
 }
 
 class KotlinExternalModelId<T : Any> @PublishedApi internal constructor(
-    internal val type: KotlinExternalModelType<T>,
+    private val type: KotlinExternalModelType<T>,
     private val disambiguationName: String? = null
 ) : Serializable {
     override fun toString(): String {