diff --git a/src/ty.rs b/src/ty.rs
index bbb4632ef5..6f04ffb01f 100644
--- a/src/ty.rs
+++ b/src/ty.rs
@@ -930,8 +930,6 @@ pub mod parsing {
         pub(crate) fn parse(input: ParseStream, allow_plus: bool) -> Result<Self> {
             Ok(TypeImplTrait {
                 impl_token: input.parse()?,
-                // NOTE: rust-lang/rust#34511 includes discussion about whether
-                // or not + should be allowed in ImplTrait directly without ().
                 bounds: {
                     let mut bounds = Punctuated::new();
                     loop {