diff --git a/java/com/google/gerrit/server/index/change/ChangeSchemaDefinitions.java b/java/com/google/gerrit/server/index/change/ChangeSchemaDefinitions.java
index 879da4f..1fa2e1b 100644
--- a/java/com/google/gerrit/server/index/change/ChangeSchemaDefinitions.java
+++ b/java/com/google/gerrit/server/index/change/ChangeSchemaDefinitions.java
@@ -148,7 +148,7 @@
    * The computation of the {@link ChangeField#DIRECTORY} field is changed, hence reindexing is
    * required.
    */
-  static final Schema<ChangeData> V63 = schema(V62, false);
+  @Deprecated static final Schema<ChangeData> V63 = schema(V62, false);
 
   /** Added support for MIN/MAX/ANY for {@link ChangeField#LABEL} */
   static final Schema<ChangeData> V64 = schema(V63, false);