diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs
index 7977d599ae725..da9e5fde7ccec 100644
--- a/library/core/src/iter/traits/iterator.rs
+++ b/library/core/src/iter/traits/iterator.rs
@@ -2133,7 +2133,6 @@ pub trait Iterator {
     /// ```
     ///
     /// [`reduce()`]: Iterator::reduce
-    #[doc(alias = "reduce")]
     #[doc(alias = "inject")]
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]