diff --git a/platform/lang-impl/src/com/intellij/util/indexing/IndexableSetContributor.java b/platform/lang-impl/src/com/intellij/util/indexing/IndexableSetContributor.java
index 3cf4d907d819..a20db92b0b48 100644
--- a/platform/lang-impl/src/com/intellij/util/indexing/IndexableSetContributor.java
+++ b/platform/lang-impl/src/com/intellij/util/indexing/IndexableSetContributor.java
@@ -25,9 +25,11 @@ public abstract class IndexableSetContributor implements IndexedRootsProvider {
   }
 
   public static Set<VirtualFile> getRootsToIndex(IndexedRootsProvider provider) {
+    /*
     if (provider instanceof IndexableSetContributor) {
       return ((IndexableSetContributor)provider).getAdditionalRootsToIndex();
     }
+    */
 
     final HashSet<VirtualFile> result = new HashSet<VirtualFile>();
     for (String url : provider.getRootsToIndex()) {