diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs
index 934484bf915..a04b2bb2b08 100644
--- a/compiler/rustc_infer/src/lib.rs
+++ b/compiler/rustc_infer/src/lib.rs
@@ -19,10 +19,7 @@
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(assert_matches)]
-#![feature(box_patterns)]
 #![feature(extend_one)]
-#![feature(if_let_guard)]
-#![feature(iter_intersperse)]
 #![feature(iterator_try_collect)]
 #![feature(let_chains)]
 #![feature(rustdoc_internals)]