diff --git a/src/std/tracing/trace.rs b/src/std/tracing/trace.rs
index b07d46a..e36dcae 100644
--- a/src/std/tracing/trace.rs
+++ b/src/std/tracing/trace.rs
@@ -21,7 +21,7 @@ impl Trace {
             Trace::Parallel(a, b) => {
                 f.write_fmt(format_args!("{} | {}", ParallelBox(a), ParallelBox(b)))
             }
-            trace @ _ => f.write_fmt(format_args!("{}", trace)),
+            trace => f.write_fmt(format_args!("{}", trace)),
         }
     }
 
@@ -32,7 +32,7 @@ impl Trace {
                 SequentialBox(first),
                 SequentialBox(second)
             )),
-            trace @ _ => f.write_fmt(format_args!("{}", trace)),
+            trace => f.write_fmt(format_args!("{}", trace)),
         }
     }
 }