diff --git a/sm9/bn256/gfp2_g1_arm64.s b/sm9/bn256/gfp2_g1_arm64.s
index c3c61f14..3b4f921c 100644
--- a/sm9/bn256/gfp2_g1_arm64.s
+++ b/sm9/bn256/gfp2_g1_arm64.s
@@ -542,132 +542,3 @@ TEXT ·gfp2Mul(SB),NOSPLIT,$104-24
 	STx (y3out)
 
 	RET
-/*
-// func gfp2MulU(c, a, b *gfP2)
-TEXT ·gfp2MulU(SB),NOSPLIT,$104-24
-	MOVD	res+0(FP), res_ptr
-	MOVD	in1+8(FP), a_ptr
-	MOVD	in2+16(FP), b_ptr
-
-	MOVD	·np+0x00(SB), hlp1
-	LDP	·p2+0x00(SB), (const0, const1)
-	LDP	·p2+0x10(SB), (const2, const3)
-
-	LDx (y1in)
-	LDy (y2in)
-	CALL gfpMulInternal(SB)
-	STy (tmp0)
-
-	LDx (x1in)
-	LDy (x2in)
-	CALL gfpMulInternal(SB)
-	STy (tmp1)
-
-	LDx (x1in)
-	LDy (y1in)
-	gfpAddInline
-	STx (tmp2)
-
-	LDx (x2in)
-	LDy (y2in)
-	gfpAddInline
-	LDy (tmp2)
-	CALL gfpMulInternal(SB)
-
-	LDx (tmp0)
-	CALL gfpSubInternal(SB)
-	x2y
-	LDx (tmp1)
-	CALL gfpSubInternal(SB)
-	x2y
-	gfpMulBy2Inline
-	MOVD	$0, y0 
-	MOVD	$0, y1 
-	MOVD	$0, y2 
-	MOVD	$0, y3
-	CALL gfpSubInternal(SB)
-	STx (y3out)
-
-	LDy (tmp1)
-	gfpMulBy2Inline
-	LDy (tmp0)
-	CALL gfpSubInternal(SB)
-	STx (x3out)
-
-	RET
-
-// func gfp2Square(c, a *gfP2)
-TEXT ·gfp2Square(SB),NOSPLIT,$72-16
-	MOVD	res+0(FP), res_ptr
-	MOVD	in1+8(FP), a_ptr
-
-	MOVD	·np+0x00(SB), hlp1
-	LDP	·p2+0x00(SB), (const0, const1)
-	LDP	·p2+0x10(SB), (const2, const3)
-
-	LDx (y1in)
-	LDy (x1in)
-	gfpAddInline
-	STx (tmp0)
-	gfpMulBy2Inline
-	LDy (y1in)
-	CALL gfpSubInternal(SB)
-	LDy (tmp0)
-	CALL gfpMulInternal(SB)
-	STy (tmp0)
-
-	LDx (y1in)
-	LDy (x1in)
-	CALL gfpMulInternal(SB)
-	STy (tmp1)
-	LDx (tmp0)
-	gfpAddInline
-	STx (y3out)
-
-	LDy (tmp1)
-	gfpMulBy2Inline
-	STy (x3out)
-
-	RET
-
-// func gfp2SquareU(c, a *gfP2)
-TEXT ·gfp2SquareU(SB),NOSPLIT,$72-16
-	MOVD	res+0(FP), res_ptr
-	MOVD	in1+8(FP), a_ptr
-
-	MOVD	·np+0x00(SB), hlp1
-	LDP	·p2+0x00(SB), (const0, const1)
-	LDP	·p2+0x10(SB), (const2, const3)
-
-	LDx (y1in)
-	LDy (x1in)
-	gfpAddInline
-	STx (tmp0)
-	gfpMulBy2Inline
-	LDy (y1in)
-	CALL gfpSubInternal(SB)
-	LDy (tmp0)
-	CALL gfpMulInternal(SB)
-	STy (tmp0)
-
-	LDx (y1in)
-	LDy (x1in)
-	CALL gfpMulInternal(SB)
-	STy (tmp1)
-	LDx (tmp0)
-	gfpAddInline
-	STx (x3out)
-
-	LDy (tmp1)
-	gfpMulBy2Inline
-	x2y
-	gfpMulBy2Inline
-	MOVD	$0, y0 
-	MOVD	$0, y1 
-	MOVD	$0, y2 
-	MOVD	$0, y3
-	CALL gfpSubInternal(SB)
-	STx (y3out)
-
-	RET
-*/