diff --git a/include/psa/crypto_extra.h b/include/psa/crypto_extra.h
index ef29b77..75dc262 100644
--- a/include/psa/crypto_extra.h
+++ b/include/psa/crypto_extra.h
@@ -486,10 +486,13 @@
  * \retval #PSA_ERROR_NOT_SUPPORTED \emptydescription
  * \retval #PSA_ERROR_INSUFFICIENT_MEMORY \emptydescription
  */
+#if !defined(PSA_SET_KEY_DOMAIN_PARAMETERS)
+#define PSA_SET_KEY_DOMAIN_PARAMETERS
 psa_status_t psa_set_key_domain_parameters(psa_key_attributes_t *attributes,
                                            psa_key_type_t type,
                                            const uint8_t *data,
                                            size_t data_length);
+#endif /* PSA_SET_KEY_DOMAIN_PARAMETERS */
 
 /**
  * \brief Get domain parameters for a key.