diff --git a/idea/performanceTests/test/org/jetbrains/kotlin/idea/perf/StatsOutput.kt b/idea/performanceTests/test/org/jetbrains/kotlin/idea/perf/StatsOutput.kt
index 93f533f478a..0e7bed6e79a 100644
--- a/idea/performanceTests/test/org/jetbrains/kotlin/idea/perf/StatsOutput.kt
+++ b/idea/performanceTests/test/org/jetbrains/kotlin/idea/perf/StatsOutput.kt
@@ -81,7 +81,7 @@ private fun Metric.toJson(prefix: String): String =
             measurementError?.let {
                 append(",\"metric_error\":").append(it)
             }
-            append(",\"legacy_name\":").append("\"${s.jsonValue()}\"")
+            //append(",\"legacy_name\":").append("\"${s.jsonValue()}\"")
             commaRequired = true
         }