Index: lib/crypto/c_src/atoms.h
--- lib/crypto/c_src/atoms.h.orig
+++ lib/crypto/c_src/atoms.h
@@ -100,15 +100,12 @@ extern ERL_NIF_TERM atom_ecdsa;
 
 #ifdef HAVE_EDDH
 extern ERL_NIF_TERM atom_x25519;
-extern ERL_NIF_TERM atom_x448;
 extern ERL_NIF_TERM atom_ed25519;
-extern ERL_NIF_TERM atom_ed448;
 #endif
 
 extern ERL_NIF_TERM atom_eddsa;
 #ifdef HAVE_EDDSA
 extern ERL_NIF_TERM atom_ed25519;
-extern ERL_NIF_TERM atom_ed448;
 #endif
 
 extern ERL_NIF_TERM atom_rsa_mgf1_md;
