diff --git a/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/ClientLookupManager.kt b/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/ClientLookupManager.kt
index 68da670af66f..a075c0c34451 100644
--- a/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/ClientLookupManager.kt
+++ b/platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/ClientLookupManager.kt
@@ -1,4 +1,4 @@
-// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.codeInsight.lookup.impl
 
 import com.intellij.codeInsight.completion.impl.CamelHumpMatcher
@@ -132,7 +132,7 @@ class GuestLookupManager(session: ClientProjectSession) : ClientLookupManagerBas
     return GuestLookupImpl(session, editor, arranger)
   }
 
-  class GuestLookupImpl(session: ClientProjectSession, editor: Editor, arranger: LookupArranger) : LookupImpl(session, editor, arranger) {
+  private class GuestLookupImpl(session: ClientProjectSession, editor: Editor, arranger: LookupArranger) : LookupImpl(session, editor, arranger) {
     override fun doShowLookup(): Boolean {
       return true
     }