diff --git a/serde/src/lib.rs b/serde/src/lib.rs
index 451af743..f41514ef 100644
--- a/serde/src/lib.rs
+++ b/serde/src/lib.rs
@@ -81,7 +81,6 @@
 //
 //    https://github.com/serde-rs/serde/issues/812
 #![cfg_attr(feature = "unstable", feature(specialization, never_type))]
-#![cfg_attr(feature = "alloc", feature(alloc))]
 #![allow(unknown_lints, bare_trait_objects)]
 #![cfg_attr(feature = "cargo-clippy", allow(renamed_and_removed_lints))]
 #![cfg_attr(feature = "cargo-clippy", deny(clippy, clippy_pedantic))]