diff --git a/index.bs b/index.bs
index 8782335..415aeca 100644
--- a/index.bs
+++ b/index.bs
@@ -65,8 +65,8 @@ interface StorageBucketManager {
 
 dictionary StorageBucketOptions {
   boolean persisted = false;
-  unsigned long long? quota;
-  DOMHighResTimeStamp? expires;
+  unsigned long long quota;
+  DOMHighResTimeStamp expires;
 };
 </xmp>