diff --git a/agb/examples/dma_effect_circular_window.rs b/agb/examples/dma_effect_circular_window.rs
index d98e6f60..1fe1c927 100644
--- a/agb/examples/dma_effect_circular_window.rs
+++ b/agb/examples/dma_effect_circular_window.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(isqrt)]
 
 extern crate alloc;