From 9bfc47ca8da25668ec305647b19ab4302fe32c1b Mon Sep 17 00:00:00 2001
From: MITSUNARI Shigeo <herumi@nifty.com>
Date: Mon, 14 Sep 2020 20:47:03 +0900
Subject: [PATCH] remove unused var

---
 include/mcl/bn.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/mcl/bn.hpp b/include/mcl/bn.hpp
index 9721a73..3668da2 100644
--- a/include/mcl/bn.hpp
+++ b/include/mcl/bn.hpp
@@ -1467,7 +1467,7 @@ inline void expHardPartBLS12(Fp12& y, const Fp12& x)
 		https://eprint.iacr.org/2020/875.pdf p.13
 		(z-1)^2 (z+p)(z^2+p^2-1)+3
 	*/
-	Fp12 a0, a1, a2, a3, a4;
+	Fp12 a0, a1, a2;
 	pow_z(a0, x); // z
 	Fp12::unitaryInv(a1, x); // -1
 	a0 *= a1; // z-1