diff --git a/crypto/x509/x_x509.c b/crypto/x509/x_x509.c
index 9d24234..f12140f 100644
--- a/crypto/x509/x_x509.c
+++ b/crypto/x509/x_x509.c
@@ -207,7 +207,6 @@
 int i2d_X509_AUX(X509 *a, unsigned char **pp)
 {
     int length, tmplen;
-    unsigned char *start = *pp;
     length = i2d_X509(a, pp);
     if (length < 0 || a == NULL) {
         return length;
@@ -215,7 +214,6 @@
 
     tmplen = i2d_X509_CERT_AUX(a->aux, pp);
     if (tmplen < 0) {
-        *pp = start;
         return tmplen;
     }
     length += tmplen;