diff --git a/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/CodeCorrectnessBuilder.kt b/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/CodeCorrectnessBuilder.kt
index a73d0dc76372..73eae3a1faea 100644
--- a/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/CodeCorrectnessBuilder.kt
+++ b/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/CodeCorrectnessBuilder.kt
@@ -3,8 +3,11 @@ package com.intellij.platform.ml.impl.correctness.checker
 
 import com.intellij.platform.ml.impl.correctness.checker.ErrorsState.Unknown.UnknownReason
 import org.jetbrains.annotations.ApiStatus
+import org.jetbrains.annotations.ApiStatus.ScheduledForRemoval
 
 @ApiStatus.Internal
+@Deprecated("Use CorrectnessChecker.checkSemantic directly")
+@ScheduledForRemoval
 class CodeCorrectnessBuilder {
   private var semanticState: ErrorsState = ErrorsState.Unknown(UnknownReason.NOT_STARTED)
 
diff --git a/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/CorrectnessChecker.kt b/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/CorrectnessChecker.kt
index 78737e6495ae..0f1ba5df09ee 100644
--- a/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/CorrectnessChecker.kt
+++ b/platform/ml-impl/src/com/intellij/platform/ml/impl/correctness/checker/CorrectnessChecker.kt
@@ -12,4 +12,6 @@ interface CorrectnessChecker {
                     suggestion: String,
                     offset: Int,
                     prefix: String): List<CorrectnessError>
+
+  // TODO function to check semantic in parallel with timelimit
 }
\ No newline at end of file
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 59c605c865cb..759fbc2ae777 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
@@ -2,8 +2,11 @@
 package com.intellij.platform.ml.impl.correctness.checker
 
 import org.jetbrains.annotations.ApiStatus
+import org.jetbrains.annotations.ApiStatus.ScheduledForRemoval
 
 @ApiStatus.Internal
+@Deprecated("Use CorrectnessChecker.checkSemantic directly")
+@ScheduledForRemoval
 sealed class ErrorsState {
   data object Correct : ErrorsState() {
     override fun errors() = emptyList<CorrectnessError>()