diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c
index bb83f88..4952cfd 100644
--- a/ssl/ssl_cert.c
+++ b/ssl/ssl_cert.c
@@ -166,22 +166,6 @@
       OPENSSL_PUT_ERROR(SSL, ERR_R_DH_LIB);
       goto err;
     }
-    if (cert->dh_tmp->priv_key) {
-      BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
-      if (!b) {
-        OPENSSL_PUT_ERROR(SSL, ERR_R_BN_LIB);
-        goto err;
-      }
-      ret->dh_tmp->priv_key = b;
-    }
-    if (cert->dh_tmp->pub_key) {
-      BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
-      if (!b) {
-        OPENSSL_PUT_ERROR(SSL, ERR_R_BN_LIB);
-        goto err;
-      }
-      ret->dh_tmp->pub_key = b;
-    }
   }
   ret->dh_tmp_cb = cert->dh_tmp_cb;