Index: lib/crypto/c_src/atoms.c
--- lib/crypto/c_src/atoms.c.orig
+++ lib/crypto/c_src/atoms.c
@@ -96,15 +96,12 @@ ERL_NIF_TERM atom_ecdsa;
 
 #ifdef HAVE_EDDH
 ERL_NIF_TERM atom_x25519;
-ERL_NIF_TERM atom_x448;
 ERL_NIF_TERM atom_ed25519;
-ERL_NIF_TERM atom_ed448;
 #endif
 
 ERL_NIF_TERM atom_eddsa;
 #ifdef HAVE_EDDSA
 ERL_NIF_TERM atom_ed25519;
-ERL_NIF_TERM atom_ed448;
 #endif
 
 ERL_NIF_TERM atom_rsa_mgf1_md;
@@ -223,14 +220,11 @@ int init_atoms(ErlNifEnv *env) {
 
 #ifdef HAVE_EDDH
     atom_x25519 = enif_make_atom(env,"x25519");
-    atom_x448 = enif_make_atom(env,"x448");
     atom_ed25519 = enif_make_atom(env,"ed25519");
-    atom_ed448 = enif_make_atom(env,"ed448");
 #endif
     atom_eddsa = enif_make_atom(env,"eddsa");
 #ifdef HAVE_EDDSA
     atom_ed25519 = enif_make_atom(env,"ed25519");
-    atom_ed448 = enif_make_atom(env,"ed448");
 #endif
     atom_rsa_mgf1_md = enif_make_atom(env,"rsa_mgf1_md");
     atom_rsa_oaep_label = enif_make_atom(env,"rsa_oaep_label");
