diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/project/LibraryModificationTracker.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/project/LibraryModificationTracker.kt
index 5f15df27853..07d2600b7cd 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/project/LibraryModificationTracker.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/project/LibraryModificationTracker.kt
@@ -32,7 +32,7 @@ class LibraryModificationTracker(project: Project) : SimpleModificationTracker()
 
     init {
         val connection = project.messageBus.connect()
-        connection.subscribe(VirtualFileManager.VFS_CHANGES, object : BulkFileListener.Adapter() {
+        connection.subscribe(VirtualFileManager.VFS_CHANGES, object : BulkFileListener {
             override fun after(events: List<VFileEvent>) {
                 events.filter(::isRelevantEvent).let { createEvents ->
                     if (createEvents.isNotEmpty()) {