diff --git a/src/default/mod.rs b/src/default/mod.rs
index 46ccc01..f41ab57 100644
--- a/src/default/mod.rs
+++ b/src/default/mod.rs
@@ -55,12 +55,12 @@ impl DefaultUiState {
 }
 
 pub trait HasDefaultUiState: Sized + 'static {
-    type Event = ();
     fn default_state(&self) -> &DefaultUiState;
     fn default_state_mut(&mut self) -> &mut DefaultUiState;
 }
 
 pub trait DefaultAppState: HasDefaultUiState {
+    type Event = ();
     fn new(ui_state: DefaultUiState, rsc: &mut DefaultRsc<Self>, proxy: Proxy<Self::Event>)
     -> Self;
     #[allow(unused_variables)]