From f5f35677f0150ea51bb0533fddbdbf029c62d674 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 17 Jun 2016 00:05:59 -0700
Subject: [PATCH] Remove unused macro rule

---
 serde/src/de/impls.rs | 1 -
 1 file changed, 1 deletion(-)

diff --git a/serde/src/de/impls.rs b/serde/src/de/impls.rs
index 76dccf7f..d4591690 100644
--- a/serde/src/de/impls.rs
+++ b/serde/src/de/impls.rs
@@ -646,7 +646,6 @@ array_impls! {
 ///////////////////////////////////////////////////////////////////////////////
 
 macro_rules! tuple_impls {
-    () => {};
     ($($len:expr => $visitor:ident => ($($name:ident),+),)+) => {
         $(
             /// Construct a tuple visitor.