diff --git a/advanced/firmware/src/bin/usb-4.rs b/advanced/firmware/src/bin/usb-4.rs
index 38a77ba..f79f668 100644
--- a/advanced/firmware/src/bin/usb-4.rs
+++ b/advanced/firmware/src/bin/usb-4.rs
@@ -8,7 +8,7 @@ use dk::{
 use panic_log as _; // panic handler
 
 // use one of these
-use usb2::{GetDescriptor as Descriptor, StandardRequest as Request, State};
+use usb2::{GetDescriptor as Descriptor, StandardRequest as Request};
 
 #[rtic::app(device = dk)]
 const APP: () = {