diff --git a/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/ErrorsState.kt b/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/ErrorsState.kt
index c57671715c12..59c605c865cb 100644
--- a/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/ErrorsState.kt
+++ b/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/ErrorsState.kt
@@ -5,9 +5,7 @@ import org.jetbrains.annotations.ApiStatus
 
 @ApiStatus.Internal
 sealed class ErrorsState {
-  object Correct : ErrorsState() {
-    override fun toString(): String = "Correct"
-
+  data object Correct : ErrorsState() {
     override fun errors() = emptyList<CorrectnessError>()
   }