diff --git a/src/parse.rs b/src/parse.rs
index 48c2e6edda2f03d8c4631076f02db5ace5e67db7..961c3be89c2cd64bddddc6c2fed7c66793ae8487 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -527,18 +527,6 @@ fn ips(tts: &mut Peekable<Iter<TokenTree>>) -> Result<Ips> {
                         }
                         "sync" => {
                             op_sync = Some(::parse::resources(&mut tts)?);
-
-                            //                            let sync =
-                            //                                Some(::parse::delimited(&mut tts, DelimToken::Bracket, |tts| {
-                            //                                    let mut tts = tts.iter().peekable();
-                            //                                    let mut idents = Vec::new();
-                            //                                    while let Some(tt) = tts.next() {
-                            //                                        if tts.peek().is_none() {
-                            //                                            break;
-                            //                                        }
-                            //                                    }
-                            //                                    Ok(())
-                            //                                }));
                         }
 
                         "async" => (),