diff --git a/crypto/ossl_typ.h b/crypto/ossl_typ.h
index b8f4a9d665..c9b494c854 100644
--- a/crypto/ossl_typ.h
+++ b/crypto/ossl_typ.h
@@ -102,6 +102,7 @@ typedef struct asn1_pctx_st ASN1_PCTX;
 #undef X509_EXTENSIONS
 #undef X509_CERT_PAIR
 #undef PKCS7_ISSUER_AND_SERIAL
+#undef OCSP_RESPONSE
 #endif
 
 #ifdef BIGNUM