diff --git a/crypto/ed25519.go.bak b/crypto/ed25519.go.bak
deleted file mode 100644
index 627b6b84..00000000
--- a/crypto/ed25519.go.bak
+++ /dev/null
@@ -1,14 +0,0 @@
-package main
-
-/*
-#cgo LDFLAGS: -L. -led25519
-
-#include "ed25519/foo.h"
-*/
-import "C"
-import "fmt"
-
-func main() {
-	C.test()
-	fmt.Println("hello")
-}