diff --git a/src/bin/mos6502.rs b/src/bin/mos6502.rs
index f5df093..ab51f16 100644
--- a/src/bin/mos6502.rs
+++ b/src/bin/mos6502.rs
@@ -39,7 +39,8 @@ enum Command {
 pub fn trace() -> FlushGuard {
     let (chrome_layer, _guard) = ChromeLayerBuilder::new().build();
     tracing_subscriber::registry().with(chrome_layer).init();
-    return _guard;
+
+    _guard
 }
 
 fn main() -> Result<()> {