diff --git a/platform/syntax/syntax-api/src/com/intellij/platform/syntax/impl/builder/ParsingTreeBuilder.kt b/platform/syntax/syntax-api/src/com/intellij/platform/syntax/impl/builder/ParsingTreeBuilder.kt
index 228d14f8be8e..9f81448595e1 100644
--- a/platform/syntax/syntax-api/src/com/intellij/platform/syntax/impl/builder/ParsingTreeBuilder.kt
+++ b/platform/syntax/syntax-api/src/com/intellij/platform/syntax/impl/builder/ParsingTreeBuilder.kt
@@ -17,6 +17,7 @@ import org.jetbrains.annotations.Nls
 import org.jetbrains.annotations.NonNls
 import kotlin.math.abs
 import kotlin.math.max
+import kotlin.time.measureTimedValue
 
 internal class ParsingTreeBuilder(
   val lexer: Lexer,
@@ -534,11 +535,10 @@ private fun performLexing(
     return LexingResult(cachedLexemes, 0)
   }
   // todo do we need to cover a raw TokenList?
-
-  val startTime = System.nanoTime()
-  val sequence = performLexing(text, lexer, cancellationProvider, logger) as TokenSequence
-  val endTime = System.nanoTime()
-  return LexingResult(sequence, endTime - startTime)
+  val (sequence, duration) = measureTimedValue {
+    performLexing(text, lexer, cancellationProvider, logger) as TokenSequence
+  }
+  return LexingResult(sequence, duration.inWholeNanoseconds)
 }
 
 private data class LexingResult(val tokens: TokenSequence, val lexingTimeNs: Long)
diff --git a/platform/syntax/syntax-api/src/com/intellij/platform/syntax/lexer/TokenSequence.kt b/platform/syntax/syntax-api/src/com/intellij/platform/syntax/lexer/TokenSequence.kt
index 45a28e082b2a..01b96ef5db35 100644
--- a/platform/syntax/syntax-api/src/com/intellij/platform/syntax/lexer/TokenSequence.kt
+++ b/platform/syntax/syntax-api/src/com/intellij/platform/syntax/lexer/TokenSequence.kt
@@ -7,6 +7,7 @@ import com.intellij.platform.syntax.Logger
 import org.jetbrains.annotations.NonNls
 import kotlin.math.max
 import kotlin.math.min
+import kotlin.time.measureTimedValue
 
 internal class TokenSequence(
   internal val lexStarts: IntArray,
@@ -67,9 +68,10 @@ internal class TokenListLexerImpl(
       return
     }
 
-    val start = System.currentTimeMillis()
-    start(buffer, startOffset, endOffset, initialState)
-    val startDuration = System.currentTimeMillis() - start
+    val (_, duration) = measureTimedValue {
+      start(buffer, startOffset, endOffset, initialState)
+    }
+    val startDuration = duration.inWholeNanoseconds
     if (startDuration > LEXER_START_THRESHOLD) {
       logger.debug("Starting lexer took: $startDuration; at $startOffset - $endOffset; state: $initialState; text: ${buffer.shortenTextWithEllipsis(1024, 500)}")
     }