diff --git a/src/java/com/threerings/stats/server/persist/StatRepository.java b/src/java/com/threerings/stats/server/persist/StatRepository.java
index c7da7d5e..78ee638d 100644
--- a/src/java/com/threerings/stats/server/persist/StatRepository.java
+++ b/src/java/com/threerings/stats/server/persist/StatRepository.java
@@ -79,6 +79,9 @@ public class StatRepository extends DepotRepository
         throws PersistenceException
     {
         CacheInvalidator invalidator = new CacheInvalidator() {
+            public void validateFlushType (Class<?> pClass) {
+                // no need, we know we're good
+            }
             public void invalidate (PersistenceContext ctx) {
                 ctx.cacheTraverse(
                     StatRecord.class.getName(), new CacheEvictionFilter<StatRecord>() {