diff --git a/_pkg.dev/wire/util/io/io.go b/_pkg.dev/wire/util/io/io.go
deleted file mode 100644
index 89117c602..000000000
--- a/_pkg.dev/wire/util/io/io.go
+++ /dev/null
@@ -1,17 +0,0 @@
-package fileutils
-
-import (
-	"os"
-)
-
-// UpdateFile appends a byte slice to a file
-func UpdateFile(filename string, data []byte) error {
-
-	f, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
-
-	dataWNewline := append(data, []byte("\n")...)
-
-	_, err = f.Write(dataWNewline)
-	err = f.Close()
-	return err
-}