diff --git a/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryFileBasedIndexExtension.java b/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryFileBasedIndexExtension.java
index 5302358ef658..d1100d4acccd 100644
--- a/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryFileBasedIndexExtension.java
+++ b/platform/indexing-impl/src/com/intellij/util/indexing/SingleEntryFileBasedIndexExtension.java
@@ -38,6 +38,11 @@ public abstract class SingleEntryFileBasedIndexExtension<V> extends FileBasedInd
     return true;
   }
 
+  @Override
+  public int getCacheSize() {
+    return 5;
+  }
+
   @NotNull
   @Override
   public abstract SingleEntryIndexer<V> getIndexer();
diff --git a/platform/lang-impl/src/com/intellij/psi/stubs/StubUpdatingIndex.java b/platform/lang-impl/src/com/intellij/psi/stubs/StubUpdatingIndex.java
index e9c63709678b..d45620533574 100644
--- a/platform/lang-impl/src/com/intellij/psi/stubs/StubUpdatingIndex.java
+++ b/platform/lang-impl/src/com/intellij/psi/stubs/StubUpdatingIndex.java
@@ -101,11 +101,6 @@ public class StubUpdatingIndex extends SingleEntryFileBasedIndexExtension<Serial
     return INDEX_ID;
   }
 
-  @Override
-  public int getCacheSize() {
-    return 5; // no need to cache many serialized trees
-  }
-
   @NotNull
   @Override
   public SingleEntryIndexer<SerializedStubTree> getIndexer() {