diff --git a/components/rand/lib.rs b/components/rand/lib.rs
index d9a8765c993..4ea2b6e004a 100644
--- a/components/rand/lib.rs
+++ b/components/rand/lib.rs
@@ -63,14 +63,9 @@ impl RngCore for ServoRng {
     }
 }
 
+#[derive(Default)]
 pub struct Seed([u8; 32]);
 
-impl Default for Seed {
-    fn default() -> Self {
-        Seed([0; 32])
-    }
-}
-
 impl AsMut<[u8]> for Seed {
     fn as_mut(&mut self) -> &mut [u8] {
         &mut self.0