diff --git a/servo/components/script/lib.rs b/servo/components/script/lib.rs
index 9cc8f84bbdeb..7126d53653e4 100644
--- a/servo/components/script/lib.rs
+++ b/servo/components/script/lib.rs
@@ -7,7 +7,6 @@
 #![feature(const_fn)]
 #![feature(core_intrinsics)]
 #![feature(field_init_shorthand)]
-#![feature(more_struct_aliases)]
 #![feature(mpsc_select)]
 #![feature(nonzero)]
 #![feature(on_unimplemented)]