diff --git a/platform/indexing-impl/src/com/intellij/psi/search/FileTypeIndex.java b/platform/indexing-impl/src/com/intellij/psi/search/FileTypeIndex.java
index 0cae033f1ce7..a83a39f1a775 100644
--- a/platform/indexing-impl/src/com/intellij/psi/search/FileTypeIndex.java
+++ b/platform/indexing-impl/src/com/intellij/psi/search/FileTypeIndex.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2014 JetBrains s.r.o.
+ * Copyright 2000-2017 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,6 +29,10 @@ import static com.intellij.psi.search.FilenameIndex.getService;
  * @author Dmitry Avdeev
  */
 public class FileTypeIndex {
+
+  /**
+   * @deprecated Not to be used.
+   */
   @Deprecated
   public static final ID<FileType, Void> NAME = ID.create("filetypes");
 
diff --git a/platform/indexing-impl/src/com/intellij/psi/search/FilenameIndex.java b/platform/indexing-impl/src/com/intellij/psi/search/FilenameIndex.java
index d4d2b80efd1e..c53100a66ce1 100644
--- a/platform/indexing-impl/src/com/intellij/psi/search/FilenameIndex.java
+++ b/platform/indexing-impl/src/com/intellij/psi/search/FilenameIndex.java
@@ -40,6 +40,10 @@ import java.util.*;
  * @author yole
  */
 public class FilenameIndex {
+
+  /**
+   * @deprecated Not to be used.
+   */
   @Deprecated
   public @NonNls static final ID<String, Void> NAME = ID.create("FilenameIndex");