diff --git a/go/vendor/github.com/gobuffalo/packr/builder/clean.go b/go/vendor/github.com/gobuffalo/packr/builder/clean.go
new file mode 100644
index 0000000..688ebf5
--- /dev/null
+++ b/go/vendor/github.com/gobuffalo/packr/builder/clean.go
@@ -0,0 +1,32 @@
+package builder
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+// Clean up an *-packr.go files
+func Clean(root string) {
+	root, _ = filepath.EvalSymlinks(root)
+	filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		base := filepath.Base(path)
+		if base == ".git" || base == "vendor" || base == "node_modules" {
+			return filepath.SkipDir
+		}
+		if info == nil || info.IsDir() {
+			return nil
+		}
+		if strings.Contains(base, "-packr.go") {
+			err := os.Remove(path)
+			if err != nil {
+				fmt.Println(err)
+				return errors.WithStack(err)
+			}
+		}
+		return nil
+	})
+}