diff --git a/0001-pkcs15-regression-in-e35febe-compute-cert-length.patch b/0001-pkcs15-regression-in-e35febe-compute-cert-length.patch
deleted file mode 100644
index f00bce0..0000000
--- a/0001-pkcs15-regression-in-e35febe-compute-cert-length.patch
+++ /dev/null
@@ -1,114 +0,0 @@
-From cc5a171ddcc8e49b2252135daac9ad3aa6d66ae7 Mon Sep 17 00:00:00 2001
-From: Viktor Tarasov <viktor.tarasov@gmail.com>
-Date: Tue, 25 Dec 2012 20:05:45 +0100
-Subject: [PATCH] pkcs15: regression in e35febe: compute cert length
-
-parse_x509_cert() reviewed.
-Now certificate's DER data are allocated and the DER data length is determined in one place.
-
-https://github.com/OpenSC/OpenSC/pull/114
-https://github.com/OpenSC/OpenSC/commit/e35febe
----
- src/libopensc/pkcs15-cert.c | 37 +++++++++++++++++++------------------
- 1 file changed, 19 insertions(+), 18 deletions(-)
-
-diff --git a/src/libopensc/pkcs15-cert.c b/src/libopensc/pkcs15-cert.c
-index 86bea25..9b08aac 100644
---- a/src/libopensc/pkcs15-cert.c
-+++ b/src/libopensc/pkcs15-cert.c
-@@ -34,13 +34,13 @@
- #include "pkcs15.h"
- 
- static int
--parse_x509_cert(sc_context_t *ctx, const u8 *buf, size_t buflen, struct sc_pkcs15_cert *cert)
-+parse_x509_cert(sc_context_t *ctx, struct sc_pkcs15_der *der, struct sc_pkcs15_cert *cert)
- {
- 	int r;
- 	struct sc_algorithm_id sig_alg;
--	struct sc_pkcs15_pubkey  * pubkey = NULL;
--	u8 *serial = NULL;
--	size_t serial_len = 0;
-+	struct sc_pkcs15_pubkey *pubkey = NULL;
-+	unsigned char *serial = NULL, *buf =  der->value;
-+	size_t serial_len = 0, data_len = 0, buflen = der->len;
- 	struct sc_asn1_entry asn1_version[] = {
- 		{ "version", SC_ASN1_INTEGER, SC_ASN1_TAG_INTEGER, 0, &cert->version, NULL },
- 		{ NULL, 0, 0, 0, NULL, NULL }
-@@ -87,30 +87,32 @@ parse_x509_cert(sc_context_t *ctx, const u8 *buf, size_t buflen, struct sc_pkcs1
- 	if (obj == NULL)
- 		LOG_TEST_RET(ctx, SC_ERROR_INVALID_ASN1_OBJECT, "X.509 certificate not found");
- 
--	cert->data.len = objlen + (obj - buf);
-+	data_len = objlen + (obj - buf);
-+	cert->data.value = malloc(data_len);
-+	if (!cert->data.value)
-+		LOG_FUNC_RETURN(ctx, SC_ERROR_OUT_OF_MEMORY);
-+	memcpy(cert->data.value, buf, data_len);
-+	cert->data.len = data_len;
-+
- 	r = sc_asn1_decode(ctx, asn1_cert, obj, objlen, NULL, NULL);
- 	LOG_TEST_RET(ctx, r, "ASN.1 parsing of certificate failed");
- 
- 	cert->version++;
- 
--	if (pubkey) {
--		cert->key = pubkey;
--		pubkey = NULL;
--	}
--	else {
-+	if (!pubkey)
- 		LOG_TEST_RET(ctx, SC_ERROR_INVALID_ASN1_OBJECT, "Unable to decode subjectPublicKeyInfo from cert");
--	}
-+	cert->key = pubkey;
-+
- 	sc_asn1_clear_algorithm_id(&sig_alg);
--	if (r < 0)
--		return r;
- 
- 	if (serial && serial_len)   {
- 		sc_format_asn1_entry(asn1_serial_number + 0, serial, &serial_len, 1);
- 		r = sc_asn1_encode(ctx, asn1_serial_number, &cert->serial, &cert->serial_len);
- 		free(serial);
-+		LOG_TEST_RET(ctx, r, "ASN.1 encoding of serial failed");
- 	}
- 
--	return r;
-+	return SC_SUCCESS;
- }
- 
- 
-@@ -125,7 +127,7 @@ sc_pkcs15_pubkey_from_cert(struct sc_context *ctx,
- 	if (cert == NULL)
- 		return SC_ERROR_OUT_OF_MEMORY;
- 
--	rv = parse_x509_cert(ctx, cert_blob->value, cert_blob->len, cert);
-+	rv = parse_x509_cert(ctx, cert_blob, cert);
- 
- 	*out = cert->key;
- 	cert->key = NULL;
-@@ -158,20 +160,19 @@ sc_pkcs15_read_certificate(struct sc_pkcs15_card *p15card, const struct sc_pkcs1
- 		return SC_ERROR_OBJECT_NOT_FOUND;
- 	}
- 
--
- 	cert = malloc(sizeof(struct sc_pkcs15_cert));
- 	if (cert == NULL) {
- 		free(der.value);
- 		return SC_ERROR_OUT_OF_MEMORY;
- 	}
- 	memset(cert, 0, sizeof(struct sc_pkcs15_cert));
--	if (parse_x509_cert(p15card->card->ctx, der.value, der.len, cert)) {
-+	if (parse_x509_cert(p15card->card->ctx, &der, cert)) {
- 		free(der.value);
- 		sc_pkcs15_free_certificate(cert);
- 		return SC_ERROR_INVALID_ASN1_OBJECT;
- 	}
-+	free(der.value);
- 
--	cert->data = der;
- 	*cert_out = cert;
- 	return SC_SUCCESS;
- }
--- 
-1.8.1
-