diff --git a/library/x509_oid.c b/library/x509_oid.c
index ad3d8e03bc..d05a36d5bc 100644
--- a/library/x509_oid.c
+++ b/library/x509_oid.c
@@ -578,12 +578,6 @@ static const oid_ecp_grp_t oid_ecp_grp[] =
         MBEDTLS_ECP_DP_SECP192K1,
     },
 #endif /* PSA_WANT_ECC_SECP_K1_192 */
-#if defined(PSA_WANT_ECC_SECP_K1_224)
-    {
-        OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP224K1, "secp224k1",    "secp224k1"),
-        MBEDTLS_ECP_DP_SECP224K1,
-    },
-#endif /* PSA_WANT_ECC_SECP_K1_224 */
 #if defined(PSA_WANT_ECC_SECP_K1_256)
     {
         OID_DESCRIPTOR(MBEDTLS_OID_EC_GRP_SECP256K1, "secp256k1",    "secp256k1"),