diff --git a/src/rendering/femtovg_window.rs b/src/rendering/femtovg_window.rs
index 46644a4..24c8734 100644
--- a/src/rendering/femtovg_window.rs
+++ b/src/rendering/femtovg_window.rs
@@ -6,7 +6,6 @@ use slint::{
 use std::cell::Cell;
 use std::rc::{Rc, Weak};
 
-#[derive(Clone, Copy)]
 pub enum RenderState {
     Clean,
     Dirty,