diff --git a/src/ch20-01-unsafe-rust.md b/src/ch20-01-unsafe-rust.md
index 99f689ad60..07566df9c7 100644
--- a/src/ch20-01-unsafe-rust.md
+++ b/src/ch20-01-unsafe-rust.md
@@ -555,6 +555,5 @@ Rust’s official guide to the subject, the [Rustonomicon][nomicon].
 [the-slice-type]: ch04-03-slices.html#the-slice-type
 [unions]: ../reference/items/unions.html
 [miri]: https://github.com/rust-lang/miri
-[editions]: appendix-05-editions.html
 [nightly]: appendix-07-nightly-rust.html
 [nomicon]: https://doc.rust-lang.org/nomicon/