From 8b8ef6dc4d67b77903246ef64c15d8f1401d16b5 Mon Sep 17 00:00:00 2001
From: Deirdre Connolly <deirdre@zfnd.org>
Date: Mon, 5 Oct 2020 23:28:44 -0400
Subject: [PATCH] Remove extra Sum impl

---
 zebra-chain/src/sapling/commitment.rs | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/zebra-chain/src/sapling/commitment.rs b/zebra-chain/src/sapling/commitment.rs
index 9c806909e..80afa5581 100644
--- a/zebra-chain/src/sapling/commitment.rs
+++ b/zebra-chain/src/sapling/commitment.rs
@@ -221,18 +221,6 @@ impl std::iter::Sum for ValueCommitment {
     }
 }
 
-impl<'a> std::iter::Sum<&'a ValueCommitment> for ValueCommitment {
-    fn sum<I>(iter: I) -> Self
-    where
-        I: Iterator<Item = &'a Self>,
-    {
-        iter.fold(
-            ValueCommitment(jubjub::AffinePoint::identity()),
-            std::ops::Add::add,
-        )
-    }
-}
-
 /// LEBS2OSP256(repr_J(cv))
 ///
 /// https://zips.z.cash/protocol/protocol.pdf#spendencoding