@@ -7,7 +7,6 @@ import (

 	"errors"

 	"fmt"

 	"io"

-	"net/http"

 	"net/http/httptest"

 	"os"

 	"os/exec"

@@ -275,26 +274,6 @@ type FileServer struct {

 	*httptest.Server

 }

-func fileServer(files map[string]string) (*FileServer, error) {

-	var handler http.HandlerFunc = func(w http.ResponseWriter, r *http.Request) {

-		if filePath, found := files[r.URL.Path]; found {

-			http.ServeFile(w, r, filePath)

-		} else {

-			http.Error(w, http.StatusText(404), 404)

-		}

-	}

-

-	for _, file := range files {

-		if _, err := os.Stat(file); err != nil {

-			return nil, err

-		}

-	}

-	server := httptest.NewServer(handler)

-	return &FileServer{

-		Server: server,

-	}, nil

-}

-

 // randomUnixTmpDirPath provides a temporary unix path with rand string appended.

 // does not create or checks if it exists.

 func randomUnixTmpDirPath(s string) string {