diff --git a/plugins/completion-ml-ranking/src/com/intellij/completion/ml/experiment/ExperimentInfo.kt b/plugins/completion-ml-ranking/src/com/intellij/completion/ml/experiment/ExperimentInfo.kt
index 540a4486c17c..2c5e27243193 100644
--- a/plugins/completion-ml-ranking/src/com/intellij/completion/ml/experiment/ExperimentInfo.kt
+++ b/plugins/completion-ml-ranking/src/com/intellij/completion/ml/experiment/ExperimentInfo.kt
@@ -9,7 +9,7 @@ data class ExperimentInfo(val inExperiment: Boolean,
                           val shouldRank: Boolean = false,
                           val shouldShowArrows: Boolean = false,
                           val shouldCalculateFeatures: Boolean = false,
-                          val shouldLogElementFeatures: Boolean = false) {
+                          private val shouldLogElementFeatures: Boolean = false) {
 
   fun shouldLogSessions(project: Project): Boolean = inExperiment || CurrentProjectInfo.getInstance(project).isIdeaProject