diff --git a/lib/isc/ossl_wrap/ossl1_1.c b/lib/isc/ossl_wrap/ossl1_1.c
index 7726e9cac3..4154739611 100644
--- a/lib/isc/ossl_wrap/ossl1_1.c
+++ b/lib/isc/ossl_wrap/ossl1_1.c
@@ -122,7 +122,6 @@ generate_ec_key(EVP_PKEY **pkeyp, const int nid) {
 		CLEANUP(OSSL_WRAP_ERROR("EC_KEY_generate_key"));
 	}
 
-	EC_KEY_set_asn1_flag(eckey, OPENSSL_EC_NAMED_CURVE);
 	EC_KEY_set_conv_form(eckey, POINT_CONVERSION_UNCOMPRESSED);
 
 	pkey = EVP_PKEY_new();