diff --git a/contrib/fb303/if/fb303.thrift b/contrib/fb303/if/fb303.thrift
index fb9e220..799d5f8 100644
--- a/contrib/fb303/if/fb303.thrift
+++ b/contrib/fb303/if/fb303.thrift
@@ -95,11 +95,11 @@
   /**
    * Tell the server to reload its configuration, reopen log files, etc
    */
-  async void reinitialize(),
+  oneway void reinitialize(),
 
   /**
    * Suggest a shutdown to the server
    */
-  async void shutdown(),
+  oneway void shutdown(),
 
 }