diff --git a/include/mcl/bn.hpp b/include/mcl/bn.hpp
index 662c8d7..15a6d50 100644
--- a/include/mcl/bn.hpp
+++ b/include/mcl/bn.hpp
@@ -705,7 +705,6 @@ struct BNT {
 	}
 	static void addLineWithoutP(Fp6& l, G2& R, const G2& Q)
 	{
-#if 1
 		Fp2 t1, t2, t3, t4;
 		Fp2Dbl T1, T2;
 		Fp2::mul(t1, R.z, Q.x);
@@ -734,33 +733,6 @@ struct BNT {
 		Fp2Dbl::mod(t2, T1);
 		Fp2::mul_xi(l.a, t2);
 		l.b = t1;
-#else
-		Fp2 t1, t2, t3, t4, T1, T2;
-		Fp2::mul(t1, R.z, Q.x);
-		Fp2::mul(t2, R.z, Q.y);
-		Fp2::sub(t1, R.x, t1);
-		Fp2::sub(t2, R.y, t2);
-		Fp2::sqr(t3, t1);
-		Fp2::mul(R.x, t3, R.x);
-		Fp2::sqr(t4, t2);
-		t3 *= t1;
-		t4 *= R.z;
-		t4 += t3;
-		t4 -= R.x;
-		t4 -= R.x;
-		R.x -= t4;
-		mulOpt1(T1, t2, R.x);
-		mulOpt1(T2, t3, R.y);
-		Fp2::sub(R.y, T1, T2);
-		Fp2::mul(R.x, t1, t4);
-		Fp2::mul(R.z, t3, R.z);
-		Fp2::neg(l.c, t2);
-		mulOpt1(T1, t2, Q.x);
-		mulOpt1(T2, t1, Q.y);
-		Fp2::sub(t2, T1, T2);
-		Fp2::mul_xi(l.a, t2);
-		l.b = t1;
-#endif
 	}
 	static void dblLine(Fp6& l, G2& Q, const G1& P)
 	{
@@ -890,72 +862,6 @@ struct BNT {
 #if 0
 	static void mul_024(Fp12& z, const Fp12&x, const Fp6& y)
 	{
-#if 1
-		const Fp2 x0 = x.a.a;
-		const Fp2 x1 = x.a.b;
-		const Fp2 x2 = x.a.c;
-		const Fp2 x3 = x.b.a;
-		const Fp2 x4 = x.b.b;
-		const Fp2 x5 = x.b.c;
-		const Fp2& y0 = y.a;
-		const Fp2& y2 = y.c;
-		const Fp2& y4 = y.b;
-		Fp2 y2_add_y4;
-		Fp2::add(y2_add_y4, y2, y4);
-		Fp2Dbl X0Y4, X1Y4, X2Y4, X3Y2, X4Y2, X5Y2;
-		Fp2Dbl::mulPre(X0Y4, x0, y4);
-		Fp2Dbl::mulPre(X1Y4, x1, y4);
-		Fp2Dbl::mulPre(X2Y4, x2, y4);
-		Fp2Dbl::mulPre(X3Y2, x3, y2);
-		Fp2Dbl::mulPre(X4Y2, x4, y2);
-		Fp2Dbl::mulPre(X5Y2, x5, y2);
-
-		Fp2 x1_add_x4;
-		Fp2 x2_add_x5;
-		Fp2 x0_add_x3;
-		Fp2::add(x1_add_x4, x1, x4);
-		Fp2::add(x2_add_x5, x2, x5);
-		Fp2::add(x0_add_x3, x0, x3);
-		Fp2Dbl T1, T2;
-		Fp2Dbl::mulPre(T1, x1_add_x4, y2_add_y4);
-		T1 -= X1Y4;
-		T1 -= X4Y2;
-		Fp2Dbl::mul_xi(T1, T1);
-		Fp2Dbl::mulPre(T2, x0, y0);
-		T1 += T2;
-		Fp2Dbl::mod(z.a.a, T1);
-
-		Fp2Dbl::mulPre(T1, x2_add_x5, y2_add_y4);
-		T1 -= X2Y4;
-		T1 -= X5Y2;
-		Fp2Dbl::mul_xi(T1, T1);
-		Fp2Dbl::mulPre(T2, x1, y0);
-		Fp2Dbl::add(T1, T1, T2);
-		Fp2Dbl::mod(z.a.b, T1);
-		Fp2Dbl::mulPre(T1, x0_add_x3, y2_add_y4);
-		T1 -= X0Y4;
-		T1 -= X3Y2;
-		Fp2Dbl::mulPre(T2, x2, y0);
-		T1 += T2;
-		Fp2Dbl::mod(z.a.c, T1);
-
-		Fp2Dbl::add(T1, X2Y4, X4Y2);
-		Fp2Dbl::mul_xi(T1, T1);
-		Fp2Dbl::mulPre(T2, x3, y0);
-		T1 += T2;
-		Fp2Dbl::mod(z.b.a, T1);
-
-		Fp2Dbl::mul_xi(T1, X5Y2);
-		Fp2Dbl::mulPre(T2, x4, y0);
-		T2 += X0Y4;
-		T1 += T2;
-		Fp2Dbl::mod(z.b.b, T1);
-
-		Fp2Dbl::mulPre(T1, x5, y0);
-		T1 += X3Y2;
-		T1 += X1Y4;
-		Fp2Dbl::mod(z.b.c, T1);
-#else
 		const Fp2 x0 = x.a.a;
 		const Fp2 x1 = x.a.b;
 		const Fp2 x2 = x.a.c;
@@ -1014,7 +920,6 @@ struct BNT {
 		Fp2::mul(z.b.c, x5, y0);
 		z.b.c += x3y2;
 		z.b.c += x1y4;
-#endif
 	}
 #endif
 	static void mul_024_024(Fp12& z, const Fp6& x, const Fp6& y)