diff --git a/src/secmod_eddsa.c b/src/secmod_eddsa.c
deleted file mode 100644
index 5b21941d..00000000
--- a/src/secmod_eddsa.c
+++ /dev/null
@@ -1,8 +0,0 @@
-  let read fname = Bos.OS.File.read fname |> unwrap_err_msg
-  let write fname s = Bos.OS.File.write fname s |> unwrap_err_msg
-  let write_eddsa fname priv = write fname (EddsaPrivateKey.to_octets priv)
-  let write_rsa fname priv = write fname (RsaPrivateKey.to_octets priv)
-
-  let read_eddsa fname =
-    let* data = read fname in
-    EddsaPrivateKey.of_octets data