diff --git a/lucene/backward-codecs/src/java/org/apache/lucene/codecs/blocktree/Lucene40FieldReader.java b/lucene/backward-codecs/src/java/org/apache/lucene/codecs/blocktree/Lucene40FieldReader.java
index 41d5ef1ea3d..8eb27709c20 100644
--- a/lucene/backward-codecs/src/java/org/apache/lucene/codecs/blocktree/Lucene40FieldReader.java
+++ b/lucene/backward-codecs/src/java/org/apache/lucene/codecs/blocktree/Lucene40FieldReader.java
@@ -123,6 +123,7 @@ final class Lucene40FieldReader extends Terms implements Accountable {
   }
 
   /** For debugging -- used by CheckIndex too*/
+  @Override
   public Lucene40Stats getStats() throws IOException {
     return new Lucene40SegmentTermsEnum(this).computeBlockStats();
   }
diff --git a/lucene/core/src/java/org/apache/lucene/codecs/blocktree/FieldReader.java b/lucene/core/src/java/org/apache/lucene/codecs/blocktree/FieldReader.java
index e316385df05..8f736587d08 100644
--- a/lucene/core/src/java/org/apache/lucene/codecs/blocktree/FieldReader.java
+++ b/lucene/core/src/java/org/apache/lucene/codecs/blocktree/FieldReader.java
@@ -120,6 +120,7 @@ public final class FieldReader extends Terms implements Accountable {
   }
 
   /** For debugging -- used by CheckIndex too*/
+  @Override
   public Stats getStats() throws IOException {
     return new SegmentTermsEnum(this).computeBlockStats();
   }