diff --git a/machinesystem.capnp b/machinesystem.capnp
index 473fa53..9809d35 100644
--- a/machinesystem.capnp
+++ b/machinesystem.capnp
@@ -11,7 +11,7 @@ using Machine = import "machine.capnp".Machine;
 
 interface MachineSystem 
 {
-	info @0 () -> ( info : Info );
+	info @0 : Info ;
     interface Info $CSharp.name("InfoInterface") {
     	getMachineList @0 () -> ( machine_list :List(Machine) );
 
diff --git a/usersystem.capnp b/usersystem.capnp
index 955514b..8b8b18e 100644
--- a/usersystem.capnp
+++ b/usersystem.capnp
@@ -11,16 +11,16 @@ using User = import "user.capnp".User;
 
 interface UserSystem 
 {
-	info @0 () -> ( info : Info );
+	info @0 : Info;
     interface Info $CSharp.name("InfoInterface") {
     	getUserSelf @0 ( ) -> ( user :User, dummy :UInt8 = 0 );
 	}
 
-	manage @1 () -> ( manage : Manage );
+	manage @1 : Manage;
     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);
 	}
-}
\ No newline at end of file
+}