diff --git a/src/lib.rs b/src/lib.rs
index 94f016234f9..b7840d0d27c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -22,7 +22,7 @@
 #![warn(rust_2018_idioms)]
 #![warn(unused_lifetimes)]
 #![deny(clippy::pattern_type_mismatch)]
-#![allow(clippy::needless_lifetimes)]
+#![allow(clippy::needless_lifetimes, clippy::needless_borrows_for_generic_args)]
 
 extern crate rustc_apfloat;
 extern crate rustc_ast;