diff --git a/library/x509_create.c b/library/x509_create.c
index fa254fec5..130983189 100644
--- a/library/x509_create.c
+++ b/library/x509_create.c
@@ -278,8 +278,6 @@ error:
     return MBEDTLS_ERR_X509_INVALID_NAME;
 }
 
-#if defined(MBEDTLS_OID_C)
-
 static int oid_parse_number(unsigned int *num, const char **p, const char *bound)
 {
     int ret = MBEDTLS_ERR_ASN1_INVALID_DATA;
@@ -456,8 +454,6 @@ error:
     return ret;
 }
 
-#endif /* MBEDTLS_OID_C */
-
 int mbedtls_x509_string_to_names(mbedtls_asn1_named_data **head, const char *name)
 {
     int ret = MBEDTLS_ERR_X509_INVALID_NAME;