diff --git a/components/shared/script_layout/lib.rs b/components/shared/script_layout/lib.rs
index 77c4f164b9f..96670e60084 100644
--- a/components/shared/script_layout/lib.rs
+++ b/components/shared/script_layout/lib.rs
@@ -13,7 +13,6 @@ pub mod wrapper_traits;
 use std::any::Any;
 use std::sync::Arc;
 use std::sync::atomic::{AtomicIsize, AtomicU64, Ordering};
-use std::time::Duration;
 
 use app_units::Au;
 use atomic_refcell::AtomicRefCell;