diff --git a/library/x509_oid.c b/library/x509_oid.c
index 80c8873..d69fd51 100644
--- a/library/x509_oid.c
+++ b/library/x509_oid.c
@@ -330,7 +330,7 @@
 
 FN_OID_TYPED_FROM_ASN1(oid_x509_ext_t, x509_ext, oid_x509_ext)
 FN_OID_GET_ATTR1(mbedtls_x509_oid_get_x509_ext_type, oid_x509_ext_t, x509_ext, int, ext_type)
-#endif /* MBEDTLS_X509_CRT_PARSE_C || MBEDTLS_X509_CSR_PARSE_C */
+#endif /* MBEDTLS_X509_OID_HAVE_GET_X509_EXT_TYPE */
 
 #if defined(MBEDTLS_X509_CRT_PARSE_C) && !defined(MBEDTLS_X509_REMOVE_INFO)
 static const mbedtls_x509_oid_descriptor_t oid_ext_key_usage[] =
@@ -598,6 +598,6 @@
 FN_OID_TYPED_FROM_ASN1(oid_md_alg_t, md_alg, oid_md_alg)
 FN_OID_GET_ATTR1(mbedtls_x509_oid_get_md_alg, oid_md_alg_t, md_alg, mbedtls_md_type_t, md_alg)
 
-#endif /* (MBEDTLS_X509_USE_C && MBEDTLS_X509_RSASSA_PSS_SUPPORT) || MBEDTLS_PKCS7_C */
+#endif /* MBEDTLS_X509_OID_HAVE_GET_MD_ALG */
 
 #endif /* some X.509 is enabled */