diff --git a/usersystem.capnp b/usersystem.capnp
index 9eecebf..50cda33 100644
--- a/usersystem.capnp
+++ b/usersystem.capnp
@@ -20,7 +20,7 @@ struct UserSystem
     interface Manage $CSharp.name("ManageInterface") {
     	getUserList @0 () -> ( user_list :List(User) );
 
-    	addUser @1 (username :Text, password: Text) -> ( user :User );
-    	removeUser @2 (user :User, dummy :UInt8 = 0);
+    	addUser @1 (username :Text, password: Text) -> User;
+    	removeUser @2 User;
 	}
 }