diff --git a/crypto/gmapi/gmapi_sdf_ec.c b/crypto/gmapi/gmapi_sdf_ec.c
index e910ff3a..fa41c9ff 100644
--- a/crypto/gmapi/gmapi_sdf_ec.c
+++ b/crypto/gmapi/gmapi_sdf_ec.c
@@ -305,7 +305,6 @@ SM2CiphertextValue *SM2CiphertextValue_new_from_ECCCipher(const ECCCipher *ref)
 {
 	SM2CiphertextValue *ret = NULL;
 	SM2CiphertextValue *cv = NULL;
-	EC_GROUP *group = NULL;
 
 	/* check arguments */
 	if (!ref) {
@@ -320,12 +319,6 @@ SM2CiphertextValue *SM2CiphertextValue_new_from_ECCCipher(const ECCCipher *ref)
 	}
 
 	/* ECCCipher => SM2CiphertextValue */
-	if (!(group = EC_GROUP_new_by_curve_name(NID_sm2p256v1))) {
-		GMAPIerr(GMAPI_F_SM2CIPHERTEXTVALUE_NEW_FROM_ECCCIPHER,
-			ERR_R_EC_LIB);
-		goto end;
-	}
-
 	if (!(cv = SM2CiphertextValue_new())) {
 		GMAPIerr(GMAPI_F_SM2CIPHERTEXTVALUE_NEW_FROM_ECCCIPHER,
 			GMAPI_R_MALLOC_FAILED);
@@ -342,7 +335,6 @@ SM2CiphertextValue *SM2CiphertextValue_new_from_ECCCipher(const ECCCipher *ref)
 	cv = NULL;
 
 end:
-	EC_GROUP_free(group);
 	SM2CiphertextValue_free(cv);
 	return ret;
 }