diff --git a/include/openssl/sm2_standard_enc.h b/include/openssl/sm2_standard_enc.h
deleted file mode 100644
index 543ecb3c..00000000
--- a/include/openssl/sm2_standard_enc.h
+++ /dev/null
@@ -1,45 +0,0 @@
-#include "miracl.h"
-#include "mirdef.h"
-#include "kdf_standard_enc.h"
-
-#define ERR_INFINITY_POINT 0x00000001
-#define ERR_NOT_VALID_ELEMENT 0x00000002
-#define ERR_NOT_VALID_POINT 0x00000003
-#define ERR_ORDER 0x00000004
-#define ERR_ARRAY_NULL 0x00000005
-#define ERR_C3_MATCH 0x00000006
-#define ERR_ECURVE_INIT 0x00000007
-#define ERR_SELFTEST_KG 0x00000008
-#define ERR_SELFTEST_ENC 0x00000009
-#define ERR_SELFTEST_DEC 0x0000000A
-
-unsigned char SM2_p[32] = {0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-                           0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
-unsigned char SM2_a[32] = {0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-						   0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC};
-unsigned char SM2_b[32] = {0x28, 0xE9, 0xFA, 0x9E, 0x9D, 0x9F, 0x5E, 0x34, 0x4D, 0x5A, 0x9E, 0x4B, 0xCF, 0x65, 0x09, 0xA7,
-						   0xF3, 0x97, 0x89, 0xF5, 0x15, 0xAB, 0x8F, 0x92, 0xDD, 0xBC, 0xBD, 0x41, 0x4D, 0x94, 0x0E, 0x93};
-unsigned char SM2_n[32] = {0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
-						   0x72, 0x03, 0xDF, 0x6B, 0x21, 0xC6, 0x05, 0x2B, 0x53, 0xBB, 0xF4, 0x09, 0x39, 0xD5, 0x41, 0x23};
-unsigned char SM2_Gx[32] = {0x32, 0xC4, 0xAE, 0x2C, 0x1F, 0x19, 0x81, 0x19, 0x5F, 0x99, 0x04, 0x46, 0x6A, 0x39, 0xC9, 0x94,
-							0x8F, 0xE3, 0x0B, 0xBF, 0xF2, 0x66, 0x0B, 0xE1, 0x71, 0x5A, 0x45, 0x89, 0x33, 0x4C, 0x74, 0xC7};
-unsigned char SM2_Gy[32] = {0xBC, 0x37, 0x36, 0xA2, 0xF4, 0xF6, 0x77, 0x9C, 0x59, 0xBD, 0xCE, 0xE3, 0x6B, 0x69, 0x21, 0x53,
-							0xD0, 0xA9, 0x87, 0x7C, 0xC6, 0x2A, 0x47, 0x40, 0x02, 0xDF, 0x32, 0xE5, 0x21, 0x39, 0xF0, 0xA0};
-unsigned char SM2_h[32] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-						   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01};
-
-
-big para_p, para_a, para_b, para_n, para_Gx, para_Gy, para_h;
-epoint *G;
-miracl *mip;
-
-
-
-int Test_Point(epoint* point);
-int Test_PubKey(epoint *pubKey);
-int Test_Null(unsigned char array[], int len);
-int SM2_standard_init();
-int SM2_standard_keygeneration(big priKey, epoint *pubKey);
-int SM2_standard_encrypt(unsigned char* randK, epoint *pubKey, unsigned char M[], int klen, unsigned char C[]);
-int SM2_standard_decrypt(big dB, unsigned char C[], int Clen, unsigned char M[]);
-int SM2_standard_enc_selftest();