Use dyn Trait syntax
diff --git a/src/lib.rs b/src/lib.rs
index 190916d..9ad655d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -88,7 +88,7 @@
#![doc(html_root_url = "https://docs.rs/proc-macro2/0.4.30")]
#![cfg_attr(any(proc_macro_span, super_unstable), feature(proc_macro_span))]
#![cfg_attr(super_unstable, feature(proc_macro_raw_ident, proc_macro_def_site))]
-#![allow(bare_trait_objects, ellipsis_inclusive_range_patterns, unknown_lints)]
+#![allow(ellipsis_inclusive_range_patterns, unknown_lints)]
#[cfg(use_proc_macro)]
extern crate proc_macro;