diff --git a/components/script/dom/bindings/num.rs b/components/script/dom/bindings/num.rs
index ed5d78cdb6c..720aeb28557 100644
--- a/components/script/dom/bindings/num.rs
+++ b/components/script/dom/bindings/num.rs
@@ -4,7 +4,6 @@
 
 //! The `Finite<T>` struct.
 
-use core::nonzero::Zeroable;
 use num::Float;
 use std::ops::Deref;
 
@@ -12,8 +11,6 @@ use std::ops::Deref;
 #[derive(JSTraceable, Clone, Copy, Eq, PartialEq)]
 pub struct Finite<T: Float>(T);
 
-unsafe impl<T: Float> Zeroable for Finite<T> {}
-
 impl<T: Float> Finite<T> {
     /// Create a new `Finite<T: Float>` safely.
     pub fn new(value: T) -> Option<Finite<T>> {