diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index e2a5e4c..9e48db6 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -5775,8 +5775,8 @@
  * Note: Function allocates memory for *data buffer, so given *data should be
  *       always NULL.
  */
-#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE) || \
-    defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_DERIVE)
+#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE)
+#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_DERIVE)
 static psa_status_t psa_generate_derived_ecc_key_weierstrass_helper(
     psa_key_slot_t *slot,
     size_t bits,
@@ -5933,8 +5933,28 @@
 
     return status;
 }
-#endif /* defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE) ||
-          defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_DERIVE) */
+#else /* MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_DERIVE */
+static psa_status_t psa_generate_derived_ecc_key_weierstrass_helper(
+    psa_key_slot_t *slot, size_t bits,
+    psa_key_derivation_operation_t *operation, uint8_t **data)
+{
+    (void) slot;
+    (void) bits;
+    (void) operation;
+    (void) data;
+    return PSA_ERROR_NOT_SUPPORTED;
+}
+
+static psa_status_t psa_generate_derived_ecc_key_montgomery_helper(
+    size_t bits, psa_key_derivation_operation_t *operation, uint8_t **data)
+{
+    (void) bits;
+    (void) operation;
+    (void) data;
+    return PSA_ERROR_NOT_SUPPORTED;
+}
+#endif /* MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR_DERIVE */
+#endif /* PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE */
 
 static psa_status_t psa_generate_derived_key_internal(
     psa_key_slot_t *slot,